[819] | 1 | // |
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| 2 | // ******************************************************************** |
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| 3 | // * License and Disclaimer * |
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| 4 | // * * |
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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| 7 | // * conditions of the Geant4 Software License, included in the file * |
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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| 9 | // * include a list of copyright holders. * |
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| 10 | // * * |
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| 11 | // * Neither the authors of this software system, nor their employing * |
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| 12 | // * institutes,nor the agencies providing financial support for this * |
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| 13 | // * work make any representation or warranty, express or implied, * |
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| 14 | // * regarding this software system or assume any liability for its * |
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| 15 | // * use. Please see the license in the file LICENSE and URL above * |
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| 16 | // * for the full disclaimer and the limitation of liability. * |
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| 17 | // * * |
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| 18 | // * This code implementation is the result of the scientific and * |
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| 19 | // * technical work of the GEANT4 collaboration. * |
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| 20 | // * By using, copying, modifying or distributing the software (or * |
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| 21 | // * any work based on the software) you agree to acknowledge its * |
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| 22 | // * use in resulting scientific publications, and indicate your * |
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| 23 | // * acceptance of all terms of the Geant4 Software license. * |
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| 24 | // ******************************************************************** |
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| 25 | // |
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| 26 | // |
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[1196] | 27 | // $Id: G4QContent.cc,v 1.49 2009/08/07 14:20:57 mkossov Exp $ |
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[1340] | 28 | // GEANT4 tag $Name: hadr-chips-V09-03-08 $ |
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[819] | 29 | // |
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| 30 | // ---------------- G4QContent ---------------- |
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| 31 | // by Mikhail Kossov, Sept 1999. |
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| 32 | // class for Quasmon initiated Contents used by CHIPS Model |
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| 33 | // -------------------------------------------------------------------- |
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[1055] | 34 | // Short description: This is the basic class of the CHIPS model. It |
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| 35 | // describes the quark content of the Quasmon, which is a generalized |
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| 36 | // hadronic state. All Quasmons are bags, characterized by the quark |
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| 37 | // Content (QContent), but the spin is not fixed and only light (u,d,s) |
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| 38 | // quarks are considered (SU(3)). The hadrons are the ground states for |
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| 39 | // the corresponding quasmons. The Chipolino (G4QChipolino) or nuclear |
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| 40 | // cluster are examples for another Quark Content. |
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| 41 | // -------------------------------------------------------------------- |
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[819] | 42 | // @@ In future total spin & c,b,t of the Hadron can be added @@ M.K.@@ |
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[1055] | 43 | // -------------------------------------------------------------------- |
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[819] | 44 | |
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| 45 | //#define debug |
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| 46 | //#define pdebug |
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| 47 | //#define ppdebug |
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| 48 | //#define erdebug |
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| 49 | |
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| 50 | #include "G4QContent.hh" |
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| 51 | #include <cmath> |
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| 52 | using namespace std; |
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| 53 | |
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| 54 | // Constructors |
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[1196] | 55 | |
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| 56 | // Initialize by the full quark content |
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[819] | 57 | G4QContent::G4QContent(G4int d, G4int u, G4int s, G4int ad, G4int au, G4int as): |
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| 58 | nD(d),nU(u),nS(s),nAD(ad),nAU(au),nAS(as) |
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| 59 | { |
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| 60 | if(d<0||u<0||s<0||ad<0||au<0||as<0) |
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| 61 | { |
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| 62 | #ifdef erdebug |
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| 63 | G4cerr<<"***G4QContent:"<<d<<","<<u<<","<<s<<","<<ad<<","<<au<<","<<as<<G4endl; |
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| 64 | #endif |
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| 65 | if(d<0) ad-=d; |
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| 66 | if(u<0) au-=u; |
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| 67 | if(s<0) as-=s; |
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| 68 | if(ad<0) d-=ad; |
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| 69 | if(au<0) u-=au; |
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| 70 | if(as<0) s-=as; |
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| 71 | } |
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| 72 | } |
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| 73 | |
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[1196] | 74 | // Initialize by a pair of partons |
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| 75 | G4QContent::G4QContent(std::pair<G4int,G4int> PP): nD(0),nU(0),nS(0),nAD(0),nAU(0),nAS(0) |
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| 76 | { |
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| 77 | G4int P1=PP.first; |
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| 78 | G4int P2=PP.second; |
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| 79 | if(!P1 || !P2) |
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| 80 | { |
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| 81 | G4cerr<<"***G4QContent::Constr(pair): Zero parton P1="<<P1<<", P2="<<P2<<G4endl; |
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| 82 | G4Exception("G4QContent::Constructor(pair):","72",FatalException,"WrongPartonPair"); |
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| 83 | } |
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| 84 | #ifdef pdebug |
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| 85 | G4cout<<"G4QContent::PairConstr: P1="<<P1<<", P2="<<P2<<G4endl; |
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| 86 | #endif |
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| 87 | G4bool suc=true; |
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| 88 | G4int A1=P1; |
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| 89 | if (P1 > 7) A1= P1/100; |
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| 90 | else if(P1 <-7) A1=(-P1)/100; |
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| 91 | else if(P1 < 0) A1= -P1; |
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| 92 | G4int P11=0; |
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| 93 | G4int P12=0; |
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| 94 | if(A1>7) |
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| 95 | { |
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| 96 | P11=A1/10; |
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| 97 | P12=A1%10; |
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| 98 | } |
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| 99 | if(P1>0) |
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| 100 | { |
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| 101 | if(!P11) |
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| 102 | { |
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| 103 | if (A1==1) ++nD; |
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| 104 | else if(A1==2) ++nU; |
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| 105 | else if(A1==3) ++nS; |
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| 106 | else suc=false; |
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| 107 | } |
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| 108 | else |
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| 109 | { |
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| 110 | if (P11==1) ++nD; |
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| 111 | else if(P11==2) ++nU; |
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| 112 | else if(P11==3) ++nS; |
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| 113 | else suc=false; |
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| 114 | if (P12==1) ++nD; |
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| 115 | else if(P12==2) ++nU; |
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| 116 | else if(P12==3) ++nS; |
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| 117 | else suc=false; |
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| 118 | } |
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| 119 | } |
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| 120 | else // negative parton |
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| 121 | { |
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| 122 | if(!P11) |
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| 123 | { |
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| 124 | if (A1==1) ++nAD; |
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| 125 | else if(A1==2) ++nAU; |
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| 126 | else if(A1==3) ++nAS; |
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| 127 | else suc=false; |
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| 128 | } |
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| 129 | else |
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| 130 | { |
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| 131 | if (P11==1) ++nAD; |
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| 132 | else if(P11==2) ++nAU; |
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| 133 | else if(P11==3) ++nAS; |
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| 134 | else suc=false; |
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| 135 | if (P12==1) ++nAD; |
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| 136 | else if(P12==2) ++nAU; |
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| 137 | else if(P12==3) ++nAS; |
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| 138 | else suc=false; |
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| 139 | } |
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| 140 | } |
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| 141 | #ifdef pdebug |
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| 142 | G4cout<<"G4QContent::PCo:1:"<<nD<<","<<nU<<","<<nS<<","<<nAD<<","<<nAU<<","<<nAS<<G4endl; |
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| 143 | #endif |
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| 144 | G4int A2=P2; |
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| 145 | if (P2 > 7) A2= P2/100; |
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| 146 | else if(P2 <-7) A2=(-P2)/100; |
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| 147 | else if(P2 < 0) A2= -P2; |
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| 148 | G4int P21=0; |
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| 149 | G4int P22=0; |
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| 150 | if(A2>7) |
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| 151 | { |
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| 152 | P21=A2/10; |
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| 153 | P22=A2%10; |
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| 154 | } |
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| 155 | if(P2>0) |
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| 156 | { |
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| 157 | if(!P21) |
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| 158 | { |
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| 159 | if (A2==1) ++nD; |
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| 160 | else if(A2==2) ++nU; |
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| 161 | else if(A2==3) ++nS; |
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| 162 | else suc=false; |
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| 163 | } |
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| 164 | else |
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| 165 | { |
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| 166 | if (P21==1) ++nD; |
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| 167 | else if(P21==2) ++nU; |
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| 168 | else if(P21==3) ++nS; |
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| 169 | else suc=false; |
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| 170 | if (P22==1) ++nD; |
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| 171 | else if(P22==2) ++nU; |
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| 172 | else if(P22==3) ++nS; |
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| 173 | else suc=false; |
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| 174 | } |
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| 175 | } |
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| 176 | else // negative parton |
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| 177 | { |
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| 178 | if(!P21) |
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| 179 | { |
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| 180 | if (A2==1) ++nAD; |
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| 181 | else if(A2==2) ++nAU; |
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| 182 | else if(A2==3) ++nAS; |
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| 183 | else suc=false; |
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| 184 | } |
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| 185 | else |
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| 186 | { |
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| 187 | if (P21==1) ++nAD; |
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| 188 | else if(P21==2) ++nAU; |
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| 189 | else if(P21==3) ++nAS; |
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| 190 | else suc=false; |
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| 191 | if (P22==1) ++nAD; |
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| 192 | else if(P22==2) ++nAU; |
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| 193 | else if(P22==3) ++nAS; |
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| 194 | else suc=false; |
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| 195 | } |
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| 196 | } |
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| 197 | if(!suc) |
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| 198 | { |
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| 199 | G4cerr<<"***G4QContent::Constr(pair): Impossible partons, P1="<<P1<<",P2="<<P2<<G4endl; |
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| 200 | G4Exception("G4QContent::Constructor(pair):","72",FatalException,"ImpossibPartonPair"); |
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| 201 | } |
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| 202 | #ifdef pdebug |
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| 203 | G4cout<<"G4QContent::PCo:2:"<<nD<<","<<nU<<","<<nS<<","<<nAD<<","<<nAU<<","<<nAS<<G4endl; |
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| 204 | #endif |
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| 205 | } |
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| 206 | |
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[819] | 207 | G4QContent::G4QContent(const G4QContent& right) |
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| 208 | { |
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| 209 | nU = right.nU; |
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| 210 | nD = right.nD; |
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| 211 | nS = right.nS; |
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| 212 | nAU = right.nAU; |
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| 213 | nAD = right.nAD; |
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| 214 | nAS = right.nAS; |
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| 215 | } |
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| 216 | |
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| 217 | G4QContent::G4QContent(G4QContent* right) |
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| 218 | { |
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| 219 | nU = right->nU; |
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| 220 | nD = right->nD; |
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| 221 | nS = right->nS; |
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| 222 | nAU = right->nAU; |
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| 223 | nAD = right->nAD; |
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| 224 | nAS = right->nAS; |
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| 225 | } |
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| 226 | |
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| 227 | // Assignment operator (copy stile for possible Vector extention) |
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| 228 | const G4QContent& G4QContent::operator=(const G4QContent &right) |
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| 229 | {// ============================================== |
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| 230 | if(this != &right) // Beware of self assignment |
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| 231 | { |
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| 232 | nU = right.nU; |
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| 233 | nD = right.nD; |
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| 234 | nS = right.nS; |
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| 235 | nAU = right.nAU; |
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| 236 | nAD = right.nAD; |
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| 237 | nAS = right.nAS; |
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[1055] | 238 | } |
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[819] | 239 | return *this; |
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| 240 | } |
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| 241 | |
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| 242 | // Standard output for QC {d,u,s,ad,au,as} |
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| 243 | ostream& operator<<(ostream& lhs, G4QContent& rhs) |
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| 244 | {// ========================================= |
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| 245 | lhs << "{" << rhs.GetD() << "," << rhs.GetU() << "," << rhs.GetS() << "," |
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| 246 | << rhs.GetAD() << "," << rhs.GetAU() << "," << rhs.GetAS() << "}"; |
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| 247 | return lhs; |
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| 248 | } |
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| 249 | |
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| 250 | // Standard output for const QC {d,u,s,ad,au,as} |
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| 251 | ostream& operator<<(ostream& lhs, const G4QContent& rhs) |
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| 252 | {// =============================================== |
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| 253 | lhs << "{" << rhs.GetD() << "," << rhs.GetU() << "," << rhs.GetS() << "," |
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| 254 | << rhs.GetAD() << "," << rhs.GetAU() << "," << rhs.GetAS() << "}"; |
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| 255 | return lhs; |
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| 256 | } |
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| 257 | |
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| 258 | // Subtract Quark Content |
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| 259 | G4QContent G4QContent::operator-=(const G4QContent& rhs) |
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| 260 | // ============================================= |
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| 261 | { |
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| 262 | #ifdef debug |
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| 263 | G4cout<<"G4QC::-=(const): is called:"<<G4endl; |
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| 264 | #endif |
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| 265 | G4int rD=rhs.nD; |
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| 266 | G4int rU=rhs.nU; |
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| 267 | G4int rS=rhs.nS; |
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| 268 | G4int rAD=rhs.nAD; |
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| 269 | G4int rAU=rhs.nAU; |
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| 270 | G4int rAS=rhs.nAS; |
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| 271 | ///////////G4int rQ =rD+rU+rS; |
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| 272 | ///////////G4int rAQ=rAD+rAU+rAS; |
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| 273 | ///////////G4int nQ =nD+nU+nS; |
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| 274 | ///////////G4int nAQ=nAD+nAU+nAS; |
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| 275 | if(nU<rU||nAU<rAU||nD<rD||nAD<rAD) |
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| 276 | { |
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| 277 | G4int dU=rU-nU; |
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| 278 | G4int dAU=rAU-nAU; |
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| 279 | if(dU>0||dAU>0) |
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[1055] | 280 | { |
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[819] | 281 | G4int kU=dU; |
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| 282 | if(kU<dAU) kU=dAU; // Get biggest difference |
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| 283 | G4int mU=rU; |
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| 284 | if(rAU<mU) mU=rAU; // Get a#of possible SS pairs |
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| 285 | if(kU<=mU) // Total compensation |
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[1055] | 286 | { |
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[819] | 287 | rU-=kU; |
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| 288 | rAU-=kU; |
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| 289 | rD+=kU; |
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| 290 | rAD+=kU; |
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| 291 | } |
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| 292 | else // Partial compensation |
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| 293 | { |
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| 294 | rU-=mU; |
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| 295 | rAU-=mU; |
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| 296 | rD+=mU; |
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| 297 | rAD+=mU; |
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| 298 | } |
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| 299 | } |
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| 300 | G4int dD=rD-nD; |
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| 301 | G4int dAD=rAD-nAD; |
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| 302 | if(dD>0||dAD>0) |
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[1055] | 303 | { |
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[819] | 304 | G4int kD=dD; |
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| 305 | if(kD<dAD) kD=dAD; // Get biggest difference |
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| 306 | G4int mD=rD; |
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| 307 | if(rAD<mD) mD=rAD; // Get a#of possible SS pairs |
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| 308 | if(kD<=mD) // Total compensation |
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[1055] | 309 | { |
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[819] | 310 | rD-=kD; |
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| 311 | rAD-=kD; |
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| 312 | rU+=kD; |
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| 313 | rAU+=kD; |
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| 314 | } |
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| 315 | else // Partial compensation |
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| 316 | { |
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| 317 | rD-=mD; |
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| 318 | rAD-=mD; |
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| 319 | rU+=mD; |
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| 320 | rAU+=mD; |
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| 321 | } |
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| 322 | } |
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| 323 | } |
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| 324 | #ifdef debug |
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| 325 | G4cout<<"G4QC::-=:comp: "<<rD<<","<<rU<<","<<rS<<","<<rAD<<","<<rAU<<","<<rAS<<G4endl; |
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| 326 | #endif |
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| 327 | if(rS==1 && rAS==1 && (nS<1 || nAS<1)) // Eta case, switch quark pairs (?) |
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| 328 | { |
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| 329 | rS =0; |
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| 330 | rAS=0; |
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| 331 | if(nU>rU&&nAU>rAU) |
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| 332 | { |
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| 333 | rU +=1; |
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| 334 | rAU+=1; |
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[1055] | 335 | } |
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[819] | 336 | else |
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| 337 | { |
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| 338 | rD +=1; |
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| 339 | rAD+=1; |
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[1055] | 340 | } |
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[819] | 341 | } |
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| 342 | nD -= rD; |
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| 343 | if (nD<0) |
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| 344 | { |
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| 345 | nAD -= nD; |
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| 346 | nD = 0; |
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| 347 | } |
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| 348 | nU -= rU; |
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| 349 | if (nU<0) |
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| 350 | { |
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| 351 | nAU -= nU; |
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| 352 | nU = 0; |
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| 353 | } |
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| 354 | nS -= rS; |
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| 355 | if (nS<0) |
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| 356 | { |
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| 357 | nAS -= nS; |
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| 358 | nS = 0; |
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| 359 | } |
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| 360 | nAD -= rAD; |
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| 361 | if (nAD<0) |
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| 362 | { |
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| 363 | nD -= nAD; |
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| 364 | nAD = 0; |
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| 365 | } |
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| 366 | nAU -= rAU; |
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| 367 | if (nAU<0) |
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| 368 | { |
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| 369 | nU -= nAU; |
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| 370 | nAU = 0; |
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| 371 | } |
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| 372 | nAS -= rAS; |
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| 373 | if (nAS<0) |
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| 374 | { |
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| 375 | nS -= nAS; |
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| 376 | nAS = 0; |
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| 377 | } |
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| 378 | return *this; |
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| 379 | } |
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| 380 | |
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| 381 | // Subtract Quark Content |
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| 382 | G4QContent G4QContent::operator-=(G4QContent& rhs) |
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| 383 | // ======================================= |
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| 384 | { |
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| 385 | #ifdef debug |
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| 386 | G4cout<<"G4QC::-=: is called:"<<G4endl; |
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| 387 | #endif |
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| 388 | G4int rD=rhs.nD; |
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| 389 | G4int rU=rhs.nU; |
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| 390 | G4int rS=rhs.nS; |
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| 391 | G4int rAD=rhs.nAD; |
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| 392 | G4int rAU=rhs.nAU; |
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| 393 | G4int rAS=rhs.nAS; |
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| 394 | G4int rQ =rD+rU+rS; |
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| 395 | G4int rAQ=rAD+rAU+rAS; |
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| 396 | G4int nQ =nD+nU+nS; |
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| 397 | G4int nAQ=nAD+nAU+nAS; |
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| 398 | if(nQ<rQ||nAQ<rAQ) |
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| 399 | { |
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| 400 | G4int dU=rU-nU; |
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| 401 | G4int dAU=rAU-nAU; |
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| 402 | if(dU>0||dAU>0) |
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[1055] | 403 | { |
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[819] | 404 | G4int kU=dU; |
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| 405 | if(kU<dAU) kU=dAU; // Get biggest difference |
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| 406 | G4int mU=rU; |
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| 407 | if(rAU<mU) mU=rAU; // Get a#of possible SS pairs |
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| 408 | if(kU<=mU) // Total compensation |
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[1055] | 409 | { |
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[819] | 410 | rU-=kU; |
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| 411 | rAU-=kU; |
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| 412 | rD+=kU; |
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| 413 | rAD+=kU; |
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| 414 | } |
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| 415 | else // Partial compensation |
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| 416 | { |
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| 417 | rU-=mU; |
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| 418 | rAU-=mU; |
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| 419 | rD+=mU; |
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| 420 | rAD+=mU; |
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| 421 | } |
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| 422 | } |
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| 423 | G4int dD=rD-nD; |
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| 424 | G4int dAD=rAD-nAD; |
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| 425 | if(dD>0||dAD>0) |
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[1055] | 426 | { |
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[819] | 427 | G4int kD=dD; |
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| 428 | if(kD<dAD) kD=dAD; // Get biggest difference |
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| 429 | G4int mD=rD; |
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| 430 | if(rAD<mD) mD=rAD; // Get a#of possible SS pairs |
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| 431 | if(kD<=mD) // Total compensation |
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[1055] | 432 | { |
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[819] | 433 | rD-=kD; |
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| 434 | rAD-=kD; |
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| 435 | rU+=kD; |
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| 436 | rAU+=kD; |
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| 437 | } |
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| 438 | else // Partial compensation |
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| 439 | { |
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| 440 | rD-=mD; |
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| 441 | rAD-=mD; |
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| 442 | rU+=mD; |
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| 443 | rAU+=mD; |
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| 444 | } |
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| 445 | } |
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| 446 | } |
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| 447 | if(rS==1 && rAS==1 && (nS<1 || nAS<1)) // Eta case, switch quark pairs (?) |
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| 448 | { |
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| 449 | rS =0; |
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| 450 | rAS=0; |
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| 451 | if(nU>rU&&nAU>rAU) |
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| 452 | { |
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| 453 | rU +=1; |
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| 454 | rAU+=1; |
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[1055] | 455 | } |
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[819] | 456 | else |
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| 457 | { |
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| 458 | rD +=1; |
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| 459 | rAD+=1; |
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[1055] | 460 | } |
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[819] | 461 | } |
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| 462 | nD -= rD; |
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| 463 | if (nD<0) |
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| 464 | { |
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| 465 | nAD -= nD; |
---|
| 466 | nD = 0; |
---|
| 467 | } |
---|
| 468 | nU -= rU; |
---|
| 469 | if (nU<0) |
---|
| 470 | { |
---|
| 471 | nAU -= nU; |
---|
| 472 | nU = 0; |
---|
| 473 | } |
---|
| 474 | nS -= rS; |
---|
| 475 | if (nS<0) |
---|
| 476 | { |
---|
| 477 | nAS -= nS; |
---|
| 478 | nS = 0; |
---|
| 479 | } |
---|
| 480 | nAD -= rAD; |
---|
| 481 | if (nAD<0) |
---|
| 482 | { |
---|
| 483 | nD -= nAD; |
---|
| 484 | nAD = 0; |
---|
| 485 | } |
---|
| 486 | nAU -= rAU; |
---|
| 487 | if (nAU<0) |
---|
| 488 | { |
---|
| 489 | nU -= nAU; |
---|
| 490 | nAU = 0; |
---|
| 491 | } |
---|
| 492 | nAS -= rAS; |
---|
| 493 | if (nAS<0) |
---|
| 494 | { |
---|
| 495 | nS -= nAS; |
---|
| 496 | nAS = 0; |
---|
| 497 | } |
---|
| 498 | return *this; |
---|
| 499 | } |
---|
| 500 | |
---|
| 501 | // Overloading of QC addition |
---|
| 502 | G4QContent operator+(const G4QContent& lhs, const G4QContent& rhs) |
---|
| 503 | {// ======================================================= |
---|
| 504 | G4QContent s = lhs; |
---|
| 505 | return s += rhs; |
---|
| 506 | } |
---|
| 507 | |
---|
| 508 | // Overloading of QC subtraction |
---|
| 509 | G4QContent operator-(const G4QContent& lhs, const G4QContent& rhs) |
---|
| 510 | {// ======================================================= |
---|
| 511 | G4QContent s = lhs; |
---|
| 512 | return s -= rhs; |
---|
| 513 | } |
---|
| 514 | |
---|
| 515 | // Overloading of QC multiplication by Int |
---|
| 516 | G4QContent operator*(const G4QContent& lhs, const G4int& rhs) |
---|
| 517 | {// ======================================================= |
---|
| 518 | G4QContent s = lhs; |
---|
| 519 | return s *= rhs; |
---|
| 520 | } |
---|
| 521 | |
---|
| 522 | // Overloading of Int times QC multiplication |
---|
| 523 | G4QContent operator*(const G4int& lhs, const G4QContent& rhs) |
---|
| 524 | {// ======================================================= |
---|
| 525 | G4QContent s = rhs; |
---|
| 526 | return s *= lhs; |
---|
| 527 | } |
---|
| 528 | |
---|
| 529 | // Destructor - - - - - - - |
---|
| 530 | G4QContent::~G4QContent() {} |
---|
| 531 | |
---|
| 532 | // Subtract neutral pion from Quark Content (with possible hidden strangeness) |
---|
| 533 | G4bool G4QContent::SubtractPi0() |
---|
| 534 | {// ========================= |
---|
| 535 | #ifdef debug |
---|
| 536 | G4cout<<"G4QC::SubtractPi0: U="<<nU<<", AU="<<nAU<<", D="<<nD<<", AD="<<nAD<<G4endl; |
---|
| 537 | #endif |
---|
| 538 | G4int tot=GetTot(); |
---|
| 539 | G4int ab =GetBaryonNumber(); |
---|
| 540 | if(ab){if(tot<3*ab+2) return false;} |
---|
| 541 | else if(tot<4) return false; |
---|
| 542 | |
---|
| 543 | if(nU>0 && nAU>0) |
---|
| 544 | { |
---|
| 545 | nU--; |
---|
| 546 | nAU--; |
---|
| 547 | return true; |
---|
| 548 | } |
---|
| 549 | else if(nD>0 && nAD>0) |
---|
| 550 | { |
---|
| 551 | nD--; |
---|
| 552 | nAD--; |
---|
| 553 | return true; |
---|
| 554 | } |
---|
| 555 | return false; |
---|
| 556 | } |
---|
| 557 | |
---|
| 558 | // Subtract charged pion from Quark Content |
---|
| 559 | G4bool G4QContent::SubtractPion() |
---|
| 560 | {// ========================== |
---|
| 561 | #ifdef debug |
---|
| 562 | G4cout<<"G4QC::SubtractPion: U="<<nU<<", AU="<<nAU<<", D="<<nD<<", AD="<<nAD<<G4endl; |
---|
| 563 | #endif |
---|
| 564 | G4int tot=GetTot(); |
---|
| 565 | G4int ab =GetBaryonNumber(); |
---|
| 566 | if(ab){if(tot<3*ab+2) return false;} |
---|
| 567 | else if(tot<4) return false; |
---|
| 568 | |
---|
| 569 | if((nU>nAU || (ab && nU>0))&& nAD>0) |
---|
| 570 | { |
---|
| 571 | nU--; |
---|
| 572 | nAD--; |
---|
| 573 | return true; |
---|
| 574 | } |
---|
| 575 | else if((nAU>nU || (ab && nAU>0)) && nD>0) |
---|
| 576 | { |
---|
| 577 | nAU--; |
---|
| 578 | nD--; |
---|
| 579 | return true; |
---|
| 580 | } |
---|
| 581 | return false; |
---|
| 582 | } |
---|
| 583 | |
---|
| 584 | // Subtract Hadron from Quark Content |
---|
| 585 | G4bool G4QContent::SubtractHadron(G4QContent h) |
---|
| 586 | {// ======================================== |
---|
| 587 | #ifdef debug |
---|
| 588 | G4cout<<"G4QC::SubtractHadron "<<h<<" is called for QC="<<GetThis()<<G4endl; |
---|
| 589 | #endif |
---|
| 590 | if(h.GetU()<=nU && h.GetD()<=nD && h.GetS()<=nS&& |
---|
| 591 | h.GetAU()<=nAU&& h.GetAD()<=nAD&& h.GetAS()<=nAS) return true; |
---|
| 592 | return false; |
---|
| 593 | } |
---|
| 594 | |
---|
| 595 | // Subtract Kaon from Quark Content |
---|
| 596 | G4bool G4QContent::SubtractKaon(G4double mQ) |
---|
| 597 | {// ===================================== |
---|
| 598 | #ifdef debug |
---|
| 599 | G4cout<<"G4QC::SubtractKaon is called: QC="<<GetThis()<<G4endl; |
---|
| 600 | #endif |
---|
| 601 | if(mQ<640.) return false; |
---|
| 602 | G4int tot=GetTot(); |
---|
| 603 | G4int ab =GetBaryonNumber(); |
---|
| 604 | if(ab){if(tot<3*ab+2) return false;} |
---|
| 605 | else if(tot<4) return false; |
---|
| 606 | |
---|
| 607 | if((nS>nAS || (ab && nS>0)) && (nAD>0 || nAU>0)) |
---|
| 608 | { |
---|
| 609 | nS--; |
---|
| 610 | if (nAU>0) nAU--; |
---|
| 611 | else nAD--; |
---|
| 612 | return true; |
---|
| 613 | } |
---|
| 614 | else if((nAS>nS || (ab && nAS>0)) && (nD>0 || nU>0)) |
---|
| 615 | { |
---|
| 616 | nAS--; |
---|
| 617 | if (nU>0) nU--; |
---|
| 618 | else nD--; |
---|
| 619 | return true; |
---|
| 620 | } |
---|
| 621 | #ifdef debug |
---|
| 622 | G4cout<<"G4QCont::SubtractKaon Can't SubtractKaon: QC="<<GetThis()<<G4endl; |
---|
| 623 | #endif |
---|
| 624 | return false; |
---|
| 625 | } |
---|
| 626 | |
---|
| 627 | // Split any hadronic system in two hadrons |
---|
| 628 | G4QContent G4QContent::SplitChipo (G4double mQ) |
---|
| 629 | {// ==================================== |
---|
| 630 | G4QContent Pi(0,1,0,1,0,0); |
---|
| 631 | if (nU>0&&nAU>0) Pi=G4QContent(0,1,0,0,1,0); |
---|
| 632 | else if (nD>0&&nAD>0) Pi=G4QContent(1,0,0,1,0,0); |
---|
| 633 | else if (nD>=nU&&nAU>=nAD) Pi=G4QContent(1,0,0,0,1,0); |
---|
| 634 | G4int bn=GetBaryonNumber(); |
---|
| 635 | G4int b =abs(bn); |
---|
| 636 | if(!b && mQ<545.&&nS>0&&nAS>0) // Cancel strange sea |
---|
| 637 | { |
---|
| 638 | G4int ss= nS; |
---|
| 639 | if(nAS<nS) ss=nAS; |
---|
| 640 | nS -=ss; |
---|
| 641 | nAS-=ss; |
---|
| 642 | } |
---|
| 643 | if (!b)DecQAQ(-4); |
---|
| 644 | else if(b==1)DecQAQ(-5); |
---|
| 645 | else DecQAQ(0); |
---|
| 646 | G4int tot=GetTot(); |
---|
| 647 | G4int q=GetQ(); |
---|
| 648 | G4int aq=GetAQ(); |
---|
| 649 | G4QContent r=Pi; // Pion prototype of returned value |
---|
| 650 | if((tot!=4||q!=2) && (tot!=5||(q!=1&&aq!=1)) && (tot!=6||abs(b)!=2)) |
---|
| 651 | { |
---|
[1055] | 652 | //#ifdef erdebug |
---|
[819] | 653 | G4cerr<<"***G4QCont::SplitChipo: QC="<<GetThis()<<G4endl; |
---|
[1055] | 654 | //#endif |
---|
[819] | 655 | } |
---|
| 656 | else if(tot==4) // Mesonic (eight possibilities) |
---|
| 657 | { |
---|
| 658 | r=GetThis(); |
---|
| 659 | if (r.SubtractPi0()) ; // Try any trivial algorithm of splitting |
---|
| 660 | else if(r.SubtractPion()) ; |
---|
| 661 | else if(r.SubtractKaon(mQ)) ; |
---|
| 662 | else |
---|
| 663 | { |
---|
[1055] | 664 | //#ifdef debug |
---|
[819] | 665 | G4cerr<<"***G4QCont::SplitChipo:MesTot="<<tot<<",b="<<b<<",q="<<q<<",a="<<aq<<G4endl; |
---|
[1055] | 666 | //#endif |
---|
[819] | 667 | } |
---|
| 668 | } |
---|
| 669 | else if(b==1&&tot==5) // Baryonic (four possibilities) |
---|
| 670 | { |
---|
| 671 | if(nU==3) |
---|
[1055] | 672 | { |
---|
[819] | 673 | r.SetU(1); |
---|
| 674 | r+=IndAQ(); |
---|
| 675 | } |
---|
| 676 | else if(nD==3) |
---|
[1055] | 677 | { |
---|
[819] | 678 | r.SetD(1); |
---|
| 679 | r+=IndAQ(); |
---|
| 680 | } |
---|
| 681 | else if(nS==3) |
---|
[1055] | 682 | { |
---|
[819] | 683 | r.SetS(1); |
---|
| 684 | r+=IndAQ(); |
---|
| 685 | } |
---|
| 686 | else if(nAU==3) |
---|
[1055] | 687 | { |
---|
[819] | 688 | r.SetAU(1); |
---|
| 689 | r+=IndQ(); |
---|
| 690 | } |
---|
| 691 | else if(nAD==3) |
---|
[1055] | 692 | { |
---|
[819] | 693 | r.SetAD(1); |
---|
| 694 | r+=IndQ(); |
---|
| 695 | } |
---|
| 696 | else if(nAS==3) |
---|
[1055] | 697 | { |
---|
[819] | 698 | r.SetAS(1); |
---|
| 699 | r+=IndQ(); |
---|
| 700 | } |
---|
| 701 | else if(q==1&&nU) |
---|
[1055] | 702 | { |
---|
[819] | 703 | r.SetU(1); |
---|
| 704 | if(nAU) r.SetAU(1); |
---|
| 705 | else r.SetAD(1); |
---|
| 706 | } |
---|
| 707 | else if(q==1&&nD) |
---|
[1055] | 708 | { |
---|
[819] | 709 | r.SetD(1); |
---|
| 710 | if(nAD) r.SetAD(1); |
---|
| 711 | else r.SetAU(1); |
---|
| 712 | } |
---|
| 713 | else if(q==1&&nS) |
---|
[1055] | 714 | { |
---|
[819] | 715 | r.SetS(1); |
---|
| 716 | if(nAS) r.SetAS(1); |
---|
| 717 | else r.SetAU(1); |
---|
| 718 | } |
---|
| 719 | else if(aq==1&&nAU) |
---|
[1055] | 720 | { |
---|
[819] | 721 | r.SetAU(1); |
---|
| 722 | if(nU) r.SetU(1); |
---|
| 723 | else r.SetD(1); |
---|
| 724 | } |
---|
| 725 | else if(aq==1&&nAD) |
---|
[1055] | 726 | { |
---|
[819] | 727 | r.SetAD(1); |
---|
| 728 | if(nD) r.SetD(1); |
---|
| 729 | else r.SetU(1); |
---|
| 730 | } |
---|
| 731 | else if(aq==1&&nAS) |
---|
[1055] | 732 | { |
---|
[819] | 733 | r.SetAS(1); |
---|
| 734 | if(nS) r.SetS(1); |
---|
| 735 | else r.SetU(1); |
---|
| 736 | } |
---|
| 737 | else |
---|
| 738 | { |
---|
[1055] | 739 | //#ifdef erdebug |
---|
[819] | 740 | G4cerr<<"***G4QCont::SplitChipo: Baryonic tot=5,b=1,qCont="<<GetThis()<<G4endl; |
---|
| 741 | //#endif |
---|
| 742 | } |
---|
| 743 | } |
---|
| 744 | else if(tot==b*3) // MultyBaryon cace |
---|
| 745 | { |
---|
| 746 | r=GetThis(); |
---|
| 747 | if (bn>0) // baryonium |
---|
[1055] | 748 | { |
---|
[819] | 749 | G4QContent la(1,1,1,0,0,0); |
---|
| 750 | G4QContent nt(2,1,0,0,0,0); |
---|
| 751 | G4QContent pr(1,2,0,0,0,0); |
---|
| 752 | G4QContent ks(0,1,2,0,0,0); |
---|
| 753 | if (nD>nU) ks=G4QContent(1,0,2,0,0,0); |
---|
| 754 | G4QContent dm(3,0,0,0,0,0); |
---|
| 755 | G4QContent dp(0,3,0,0,0,0); |
---|
| 756 | G4QContent om(0,0,3,0,0,0); |
---|
| 757 | if (nU>=nD&&nU>=nS) |
---|
| 758 | { |
---|
| 759 | if (r.SubtractHadron(pr)) r-=pr; // These functions only check |
---|
| 760 | else if(r.SubtractHadron(dp)) r-=dp; |
---|
| 761 | else if(r.SubtractHadron(nt)) r-=nt; |
---|
| 762 | else if(r.SubtractHadron(la)) r-=la; |
---|
| 763 | else if(r.SubtractHadron(dm)) r-=dm; |
---|
| 764 | else |
---|
| 765 | { |
---|
[1055] | 766 | //#ifdef erdebug |
---|
[819] | 767 | G4cerr<<"***G4QCont::SplitChipo:Dibar (1) tot=6, b=2, qCont="<<GetThis()<<G4endl; |
---|
| 768 | //#endif |
---|
| 769 | } |
---|
| 770 | } |
---|
| 771 | else if(nD>=nU&&nD>=nS) |
---|
| 772 | { |
---|
| 773 | if (r.SubtractHadron(nt)) r-=nt; // These functions only check |
---|
| 774 | else if(r.SubtractHadron(dm)) r-=dm; |
---|
| 775 | else if(r.SubtractHadron(pr)) r-=pr; |
---|
| 776 | else if(r.SubtractHadron(dp)) r-=dp; |
---|
| 777 | else if(r.SubtractHadron(la)) r-=la; |
---|
| 778 | else |
---|
| 779 | { |
---|
[1055] | 780 | //#ifdef erdebug |
---|
[819] | 781 | G4cerr<<"***G4QContent::SplitChipo:Dib(2) tot=6, b=2, qCont="<<GetThis()<<G4endl; |
---|
| 782 | //#endif |
---|
| 783 | } |
---|
| 784 | } |
---|
| 785 | else |
---|
| 786 | { |
---|
| 787 | if (r.SubtractHadron(la)) r-=la; // These functions only check |
---|
| 788 | else if(r.SubtractHadron(ks)) r-=ks; |
---|
| 789 | else if(r.SubtractHadron(om)) r-=om; |
---|
| 790 | else if(r.SubtractHadron(pr)) r-=pr; |
---|
| 791 | else if(r.SubtractHadron(nt)) r-=nt; |
---|
| 792 | else |
---|
| 793 | { |
---|
[1055] | 794 | //#ifdef erdebug |
---|
[819] | 795 | G4cerr<<"***G4QContent::SplitChipo:Dib(3) tot=6, b=2, qCont="<<GetThis()<<G4endl; |
---|
| 796 | //#endif |
---|
| 797 | } |
---|
| 798 | } |
---|
[1055] | 799 | } |
---|
[819] | 800 | else // Anti-baryonium |
---|
[1055] | 801 | { |
---|
[819] | 802 | G4QContent la(0,0,0,1,1,1); |
---|
| 803 | G4QContent pr(0,0,0,1,2,0); |
---|
| 804 | G4QContent nt(0,0,0,2,1,0); |
---|
| 805 | G4QContent ks(0,1,2,0,0,0); |
---|
| 806 | if(nAD>nAU)ks=G4QContent(0,0,0,1,0,2); |
---|
| 807 | G4QContent dm(0,0,0,3,0,0); |
---|
| 808 | G4QContent dp(0,0,0,0,3,0); |
---|
| 809 | G4QContent om(0,0,0,0,0,3); |
---|
| 810 | if (nAU>=nAD&&nAU>=nAS) |
---|
| 811 | { |
---|
| 812 | if (r.SubtractHadron(pr)) r-=pr; // These functions only check |
---|
| 813 | else if(r.SubtractHadron(dp)) r-=dp; |
---|
| 814 | else if(r.SubtractHadron(nt)) r-=nt; |
---|
| 815 | else if(r.SubtractHadron(la)) r-=la; |
---|
| 816 | else if(r.SubtractHadron(dm)) r-=dm; |
---|
| 817 | else |
---|
| 818 | { |
---|
[1055] | 819 | //#ifdef erdebug |
---|
[819] | 820 | G4cerr<<"***G4QContent::SplitChipo:ADib(1) tot=6,b=2, qCont="<<GetThis()<<G4endl; |
---|
| 821 | //#endif |
---|
| 822 | } |
---|
| 823 | } |
---|
| 824 | else if(nAD>=nAU&&nAD>=nAS) |
---|
| 825 | { |
---|
| 826 | if (r.SubtractHadron(nt)) r-=nt; // These functions only check |
---|
| 827 | else if(r.SubtractHadron(dm)) r-=dm; |
---|
| 828 | else if(r.SubtractHadron(pr)) r-=pr; |
---|
| 829 | else if(r.SubtractHadron(dp)) r-=dp; |
---|
| 830 | else if(r.SubtractHadron(la)) r-=la; |
---|
| 831 | else |
---|
| 832 | { |
---|
[1055] | 833 | //#ifdef erdebug |
---|
[819] | 834 | G4cerr<<"***G4QContent::SplitChipo:ADib(2) tot=6,b=2, qCont="<<GetThis()<<G4endl; |
---|
| 835 | //#endif |
---|
| 836 | } |
---|
| 837 | } |
---|
| 838 | else |
---|
| 839 | { |
---|
| 840 | if (r.SubtractHadron(la)) r-=la; // These functions only check |
---|
| 841 | else if(r.SubtractHadron(ks)) r-=ks; |
---|
| 842 | else if(r.SubtractHadron(om)) r-=om; |
---|
| 843 | else if(r.SubtractHadron(pr)) r-=pr; |
---|
| 844 | else if(r.SubtractHadron(nt)) r-=nt; |
---|
| 845 | else |
---|
| 846 | { |
---|
[1055] | 847 | //#ifdef erdebug |
---|
[819] | 848 | G4cerr<<"***G4QContent::SplitChipo:ADib(3) tot=6,b=2, qCont="<<GetThis()<<G4endl; |
---|
| 849 | //#endif |
---|
| 850 | } |
---|
| 851 | } |
---|
[1055] | 852 | } |
---|
[819] | 853 | } |
---|
| 854 | else // More than Dibaryon (@@ can use the same algorithm as for dibaryon) |
---|
| 855 | { |
---|
| 856 | //#ifdef erdebug |
---|
| 857 | G4cerr<<"*G4QContent::SplitChipolino:UnknownHadron with QuarkCont="<<GetThis()<<G4endl; |
---|
| 858 | //#endif |
---|
| 859 | } |
---|
| 860 | return r; |
---|
| 861 | }// End of G4QContent::SplitChipolino |
---|
| 862 | |
---|
| 863 | // Return one-quark QC using index (a kind of iterator) |
---|
| 864 | G4QContent G4QContent::IndQ (G4int index) |
---|
| 865 | {// ============================== |
---|
| 866 | #ifdef debug |
---|
| 867 | G4cout << "G4QC::IndQ is called"<<G4endl; |
---|
| 868 | #endif |
---|
| 869 | if(index<nD) return G4QContent(1,0,0,0,0,0); |
---|
| 870 | else if(index<nD+nU) return G4QContent(0,1,0,0,0,0); |
---|
| 871 | else if(index<nD+nU+nS) return G4QContent(0,0,1,0,0,0); |
---|
| 872 | //#ifdef erdebug |
---|
| 873 | else G4cerr<<"***G4QC::IndQ:index="<<index<<" for the QuarkContent="<<GetThis()<<G4endl; |
---|
| 874 | //throw G4QException("***G4QC::IndQ: Index exceeds the total number of quarks"); |
---|
| 875 | //#endif |
---|
| 876 | return G4QContent(0,0,0,0,0,0); |
---|
| 877 | } |
---|
| 878 | |
---|
| 879 | // Return one-antiquark QC using index (a kind of iterator) |
---|
| 880 | G4QContent G4QContent::IndAQ (G4int index) |
---|
| 881 | {// ============================== |
---|
| 882 | #ifdef debug |
---|
| 883 | G4cout << "G4QC::IndAQ is called"<<G4endl; |
---|
| 884 | #endif |
---|
| 885 | if(index<nAD) return G4QContent(0,0,0,1,0,0); |
---|
| 886 | else if(index<nAD+nAU) return G4QContent(0,0,0,0,1,0); |
---|
| 887 | else if(index<nAD+nAU+nAS) return G4QContent(0,0,0,0,0,1); |
---|
| 888 | //#ifdef erdebug |
---|
| 889 | else G4cerr<<"***G4QC::IndAQ:index="<<index<<" for the QuarkContent="<<GetThis()<<G4endl; |
---|
| 890 | //throw G4QException("***G4QC::IndAQ: Index exceeds the total number of antiquarks"); |
---|
| 891 | //#endif |
---|
| 892 | return G4QContent(0,0,0,0,0,0); |
---|
| 893 | } |
---|
| 894 | |
---|
| 895 | // Reduces number (if nQAQ<0:all) of valence Q-Qbar pairs, returns #of pairs to reduce more |
---|
| 896 | G4int G4QContent::DecQAQ(const G4int& nQAQ) |
---|
| 897 | {// ===================================== |
---|
[1196] | 898 | #ifdef debug |
---|
[819] | 899 | G4cout<<"G4QCont::DecQC: n="<<nQAQ<<","<<GetThis()<<G4endl; |
---|
| 900 | #endif |
---|
| 901 | G4int ban = GetBaryonNumber(); |
---|
| 902 | G4int tot = GetTot(); // Total number of quarks in QC |
---|
| 903 | if (tot==ban*3) return 0;// Nothing to reduce & nothing to reduce more |
---|
| 904 | G4int nUP=0; // U/AU min factor (a#of u which can be subtracted) |
---|
| 905 | if (nU>=nAU) nUP=nAU; |
---|
| 906 | else nUP= nU; |
---|
| 907 | |
---|
| 908 | G4int nDP=0; // D/AD min factor (a#of d which can be subtracted) |
---|
| 909 | if (nD>=nAD) nDP=nAD; |
---|
| 910 | else nDP= nD; |
---|
| 911 | |
---|
| 912 | G4int nSP=0; // S/AS min factor (a#of s which can be subtracted) |
---|
| 913 | if (nS>=nAS) nSP=nAS; |
---|
| 914 | else nSP= nS; |
---|
| 915 | |
---|
| 916 | G4int nLP =nUP+nDP; // a#of light quark pairs which can be subtracted |
---|
| 917 | G4int nTotP=nLP+nSP; // total#of existing pairs which can be subtracted |
---|
| 918 | G4int nReal=nQAQ; // demanded #of pairs for reduction (by demand) |
---|
| 919 | G4int nRet =nTotP-nQAQ; // a#of additional pairs for further reduction |
---|
| 920 | if (nQAQ<0) // === Limited reduction case @@ not tuned for baryons !! |
---|
| 921 | { |
---|
| 922 | G4int res=tot+nQAQ; |
---|
[1196] | 923 | #ifdef debug |
---|
[1055] | 924 | G4cout<<"G4QC::DecQC: tot="<<tot<<", nTP="<<nTotP<<", res="<<res<<G4endl; |
---|
[819] | 925 | #endif |
---|
| 926 | if(res<0) |
---|
| 927 | { |
---|
| 928 | IncQAQ(1,0.); // Increment by one not strange pair to get the minimum |
---|
| 929 | return 1; |
---|
| 930 | } |
---|
| 931 | res -=nTotP+nTotP; |
---|
| 932 | if(res<0) nReal=nTotP+res/2; |
---|
| 933 | else nReal=nTotP; |
---|
| 934 | nRet = tot/2-nReal; |
---|
| 935 | } |
---|
| 936 | else if(!nQAQ) |
---|
| 937 | { |
---|
| 938 | nReal=nTotP; |
---|
| 939 | nRet =0; |
---|
| 940 | } |
---|
| 941 | else if(nRet<0) nReal=nTotP; |
---|
| 942 | |
---|
| 943 | if (!nReal) return nRet; // Now nothing to be done |
---|
| 944 | // ---------- Decrimenting by nReal pairs |
---|
[1196] | 945 | #ifdef debug |
---|
[819] | 946 | G4cout<<"G4QC::DecQC: demanded "<<nQAQ<<" pairs, executed "<<nReal<<" pairs"<<G4endl; |
---|
| 947 | #endif |
---|
| 948 | ///////////G4int nt = tot - nTotP - nTotP; |
---|
| 949 | for (G4int i=0; i<nReal; i++) |
---|
| 950 | { |
---|
| 951 | G4double base = nTotP; |
---|
| 952 | //if (nRet && nSP==1 && !nQAQ) base = nLP; // Keep S-Sbar pair if possible |
---|
| 953 | G4int j = static_cast<int>(base*G4UniformRand()); // Random integer "SortOfQuark" |
---|
| 954 | if (nUP && j<nUP && (nRet>2 || nUP>1 || (nD<2 && nS<2)))// --- U-Ubar pair |
---|
[1055] | 955 | { |
---|
[1196] | 956 | #ifdef debug |
---|
[819] | 957 | G4cout<<"G4QC::DecQC: decrementing UAU pair UP="<<nUP<<", QC="<<GetThis()<<G4endl; |
---|
| 958 | #endif |
---|
| 959 | nU--; |
---|
| 960 | nAU--; |
---|
| 961 | nUP--; |
---|
| 962 | nLP--; |
---|
| 963 | nTotP--; |
---|
[1055] | 964 | } |
---|
[819] | 965 | else if (nDP && j<nLP && (nRet>2 || nDP>1 || (nU<2 && nS<2)))// --- D-Ubar pair |
---|
[1055] | 966 | { |
---|
[1196] | 967 | #ifdef debug |
---|
[819] | 968 | G4cout<<"G4QC::DecQC: decrementing DAD pair DP="<<nDP<<", QC="<<GetThis()<<G4endl; |
---|
| 969 | #endif |
---|
| 970 | nD--; |
---|
| 971 | nAD--; |
---|
| 972 | nDP--; |
---|
| 973 | nLP--; |
---|
| 974 | nTotP--; |
---|
[1055] | 975 | } |
---|
[819] | 976 | else if (nSP&& (nRet>2 || nSP>1 || (nU<2 && nD<2))) // --- S-Sbar pair |
---|
[1055] | 977 | { |
---|
[1196] | 978 | #ifdef debug |
---|
[819] | 979 | G4cout<<"G4QC::DecQC: decrementing SAS pair SP="<<nSP<<", QC="<<GetThis()<<G4endl; |
---|
| 980 | #endif |
---|
| 981 | nS--; |
---|
| 982 | nAS--; |
---|
| 983 | nSP--; |
---|
| 984 | nTotP--; |
---|
[1055] | 985 | } |
---|
[819] | 986 | else if (nUP) // --- U-Ubar pair cancelation (final) |
---|
[1055] | 987 | { |
---|
[1196] | 988 | #ifdef debug |
---|
[819] | 989 | G4cout<<"G4QC::DecQC:Decrement UAU pair (final) UP="<<nUP<<",QC="<<GetThis()<<G4endl; |
---|
| 990 | #endif |
---|
| 991 | nU--; |
---|
| 992 | nAU--; |
---|
| 993 | nUP--; |
---|
| 994 | nLP--; |
---|
| 995 | nTotP--; |
---|
[1055] | 996 | } |
---|
[819] | 997 | else if (nDP) // --- D-Ubar pair cancelation (final) |
---|
[1055] | 998 | { |
---|
[1196] | 999 | #ifdef debug |
---|
[819] | 1000 | G4cout<<"G4QC::DecQC:Decrement DAD pair (final) DP="<<nDP<<",QC="<<GetThis()<<G4endl; |
---|
| 1001 | #endif |
---|
| 1002 | nD--; |
---|
| 1003 | nAD--; |
---|
| 1004 | nDP--; |
---|
| 1005 | nLP--; |
---|
| 1006 | nTotP--; |
---|
[1055] | 1007 | } |
---|
[819] | 1008 | else if (nSP) // --- S-Sbar pair cancelation (final) |
---|
[1055] | 1009 | { |
---|
[1196] | 1010 | #ifdef debug |
---|
[819] | 1011 | G4cout<<"G4QC::DecQC: decrementing SAS pair SP="<<nSP<<", QC="<<GetThis()<<G4endl; |
---|
| 1012 | #endif |
---|
| 1013 | nS--; |
---|
| 1014 | nAS--; |
---|
| 1015 | nSP--; |
---|
| 1016 | nTotP--; |
---|
[1055] | 1017 | } |
---|
[819] | 1018 | else G4cout<<"***G4QC::DecQC:i="<<i<<",j="<<j<<",D="<<nDP<<",U="<<nUP<<",S="<<nSP |
---|
| 1019 | <<",T="<<nTotP<<",nRet="<<nRet<<", QC="<<GetThis()<<G4endl; |
---|
| 1020 | } |
---|
[1196] | 1021 | #ifdef debug |
---|
[819] | 1022 | G4cout<<"G4QC::DecQC: >>>OUT<<< nRet="<<nRet<<", QC="<<GetThis()<<G4endl; |
---|
| 1023 | #endif |
---|
| 1024 | return nRet; |
---|
| 1025 | } |
---|
| 1026 | |
---|
| 1027 | // Increment quark pairs |
---|
| 1028 | void G4QContent::IncQAQ(const G4int& nQAQ, const G4double& sProb) |
---|
| 1029 | {// ============================================================ |
---|
| 1030 | G4int tot = GetTot(); |
---|
| 1031 | G4QContent mQC = GetThis(); |
---|
| 1032 | for (int i=0; i<nQAQ; i++) |
---|
| 1033 | { |
---|
| 1034 | G4int j = static_cast<int>((2.+sProb)*G4UniformRand()); // 0-U, 1-D, 2-S |
---|
| 1035 | #ifdef debug |
---|
| 1036 | G4cout<<"IncQC:out QC="<<GetThis()<<",j="<<j<<" for i="<<i<<G4endl; |
---|
| 1037 | #endif |
---|
| 1038 | //if (!j) |
---|
[1055] | 1039 | if ( !j && (nU<=nD || nU<=nS)) |
---|
[819] | 1040 | { |
---|
| 1041 | nU++; |
---|
| 1042 | nAU++; |
---|
| 1043 | tot+=2; |
---|
[1055] | 1044 | } |
---|
[819] | 1045 | //else if (j==1) |
---|
[1055] | 1046 | else if (j==1 && (nD<=nU || nD<=nS)) |
---|
| 1047 | { |
---|
[819] | 1048 | nD++; |
---|
| 1049 | nAD++; |
---|
| 1050 | tot+=2; |
---|
[1055] | 1051 | } |
---|
[819] | 1052 | //else |
---|
[1055] | 1053 | else if (j>1&& (nS<=nU || nS<=nD)) |
---|
[819] | 1054 | { |
---|
| 1055 | nS++; |
---|
| 1056 | nAS++; |
---|
| 1057 | tot+=2; |
---|
[1055] | 1058 | } |
---|
[819] | 1059 | else if (!j) |
---|
[1055] | 1060 | { |
---|
[819] | 1061 | nD++; |
---|
| 1062 | nAD++; |
---|
| 1063 | tot+=2; |
---|
[1055] | 1064 | } |
---|
[819] | 1065 | else if (j==1) |
---|
[1055] | 1066 | { |
---|
[819] | 1067 | nU++; |
---|
| 1068 | nAU++; |
---|
| 1069 | tot+=2; |
---|
| 1070 | } |
---|
| 1071 | else |
---|
| 1072 | { |
---|
| 1073 | nS++; |
---|
| 1074 | nAS++; |
---|
| 1075 | tot+=2; |
---|
[1055] | 1076 | } |
---|
[819] | 1077 | //else if (nD<=nU) |
---|
[1055] | 1078 | //{ |
---|
[819] | 1079 | // nD++; |
---|
| 1080 | // nAD++; |
---|
| 1081 | // tot+=2; |
---|
[1055] | 1082 | //} |
---|
[819] | 1083 | //else |
---|
[1055] | 1084 | //{ |
---|
[819] | 1085 | // nU++; |
---|
| 1086 | // nAU++; |
---|
| 1087 | // tot+=2; |
---|
| 1088 | //} |
---|
| 1089 | } |
---|
| 1090 | } |
---|
| 1091 | |
---|
| 1092 | // Calculate a#of protons in the QC (for nuclei) |
---|
| 1093 | G4int G4QContent::GetP() const |
---|
| 1094 | {// ======================== |
---|
| 1095 | G4int rD=nD-nAD; // Constituent d-quarks |
---|
| 1096 | G4int rU=nU-nAU; // Constituent u-quarks |
---|
| 1097 | G4int rS=nS-nAS; // Constituent s-quarks |
---|
| 1098 | G4int dQ=rD-rU; // Isotopic assimetry |
---|
| 1099 | G4int b3=rD+rU+rS; // (Baryon number) * 3 |
---|
| 1100 | return (b3-3*(rS+dQ))/6; |
---|
| 1101 | } |
---|
| 1102 | |
---|
| 1103 | // Calculate a#of neutrons in the QC (for nuclei) |
---|
| 1104 | G4int G4QContent::GetN() const |
---|
| 1105 | {// ======================== |
---|
| 1106 | G4int rD=nD-nAD; // Constituent d-quarks |
---|
| 1107 | G4int rU=nU-nAU; // Constituent u-quarks |
---|
| 1108 | G4int rS=nS-nAS; // Constituent s-quarks |
---|
| 1109 | G4int dQ=rD-rU; // Isotopic assimetry |
---|
| 1110 | G4int b3=rD+rU+rS; // (Baryon number) * 3 |
---|
| 1111 | return (b3-3*(rS-dQ))/6; |
---|
| 1112 | } |
---|
| 1113 | |
---|
| 1114 | // Calculate a#of lambdas in the QC (for nuclei) |
---|
| 1115 | G4int G4QContent::GetL() const |
---|
| 1116 | {// ======================== |
---|
| 1117 | G4int rS=nS-nAS; // Constituent s-quarks |
---|
| 1118 | return rS; |
---|
| 1119 | } |
---|
| 1120 | |
---|
| 1121 | // Calculate a#of anti-protons in the QC (for anti-nuclei) |
---|
| 1122 | G4int G4QContent::GetAP() const |
---|
| 1123 | {// ========================= |
---|
| 1124 | G4int rD=nAD-nD; // Constituent anti-d-quarks |
---|
| 1125 | G4int rU=nAU-nU; // Constituent anti-u-quarks |
---|
| 1126 | G4int rS=nAS-nS; // Constituent anti-s-quarks |
---|
| 1127 | G4int dQ=rD-rU; // Isotopic assimetry |
---|
| 1128 | G4int b3=rD+rU+rS; // - (Baryon number) * 3 |
---|
| 1129 | return (b3-3*(rS+dQ))/6; |
---|
| 1130 | } |
---|
| 1131 | |
---|
| 1132 | // Calculate a#of anti-neutrons in the QC (for anti-nuclei) |
---|
| 1133 | G4int G4QContent::GetAN() const |
---|
| 1134 | {// ========================= |
---|
| 1135 | G4int rD=nAD-nD; // Constituent anti-d-quarks |
---|
| 1136 | G4int rU=nAU-nU; // Constituent anti-u-quarks |
---|
| 1137 | G4int rS=nAS-nS; // Constituent anti-s-quarks |
---|
| 1138 | G4int dQ=rD-rU; // Isotopic assimetry |
---|
| 1139 | G4int b3=rD+rU+rS; // - (Baryon number) * 3 |
---|
| 1140 | return (b3-3*(rS-dQ))/6; |
---|
| 1141 | } |
---|
| 1142 | |
---|
| 1143 | // Calculate a#of anti-lambdas in the QC (for anti-nuclei) |
---|
| 1144 | G4int G4QContent::GetAL() const |
---|
| 1145 | {// ========================= |
---|
| 1146 | G4int rS=nAS-nS; // Constituent anti-s-quarks |
---|
| 1147 | return rS; |
---|
| 1148 | } |
---|
| 1149 | |
---|
| 1150 | // Calculate charge for the QC |
---|
| 1151 | G4int G4QContent::GetCharge() const |
---|
| 1152 | {// ============================= |
---|
| 1153 | static const G4int cU = 2; |
---|
| 1154 | static const G4int cD =-1; |
---|
| 1155 | static const G4int cS =-1; |
---|
| 1156 | static const G4int cAU =-2; |
---|
| 1157 | static const G4int cAD = 1; |
---|
| 1158 | static const G4int cAS = 1; |
---|
| 1159 | |
---|
| 1160 | G4int c=0; |
---|
| 1161 | if(nU) c+=nU*cU; |
---|
| 1162 | if(nD) c+=nD*cD; |
---|
| 1163 | if(nS) c+=nS*cS; |
---|
| 1164 | if(nAU)c+=nAU*cAU; |
---|
| 1165 | if(nAD)c+=nAD*cAD; |
---|
| 1166 | if(nAS)c+=nAS*cAS; |
---|
| 1167 | //#ifdef erdebug |
---|
| 1168 | if(c%3) G4cerr<<"***G4QCont:GetCharge:c="<<c<<"/3 isn't integer, QC="<<GetThis()<<G4endl; |
---|
| 1169 | //#endif |
---|
| 1170 | return c/3; |
---|
| 1171 | } |
---|
| 1172 | |
---|
| 1173 | // Calculate a Baryon Number for the QC |
---|
| 1174 | G4int G4QContent::GetBaryonNumber() const |
---|
| 1175 | {// =================================== |
---|
| 1176 | G4int b=nU+nD+nS-nAU-nAD-nAS; |
---|
| 1177 | //#ifdef erdebug |
---|
[1196] | 1178 | if(b%3) |
---|
| 1179 | { |
---|
| 1180 | G4cerr<<"-Warning-G4QContent::GetBaryonNumber="<<b<<"/3 isn't anIntegerValue"<<G4endl; |
---|
| 1181 | G4Exception("G4QContent::GetBaryonNumber:","72",FatalException,"Wrong Baryon Number"); |
---|
| 1182 | } |
---|
[819] | 1183 | //#endif |
---|
| 1184 | return b/3; |
---|
| 1185 | } |
---|
| 1186 | |
---|
| 1187 | // Gives the PDG of the lowest (in mass) S-wave hadron or Chipolino (=10) for double hadron |
---|
| 1188 | G4int G4QContent::GetSPDGCode() const |
---|
| 1189 | {// =============================== |
---|
| 1190 | G4int p = 0; // Prototype of output SPDG |
---|
| 1191 | G4int n = GetTot(); // Total number of quarks |
---|
| 1192 | if(!n) return 22; // Photon does not have any Quark Content |
---|
| 1193 | G4int mD=nD; // A # of D quarks or anti U quarks |
---|
| 1194 | if (nD<=0) mD=nAD; |
---|
| 1195 | G4int mU=nU; // A # of U quarks or anti U quarks |
---|
| 1196 | if (nU<=0) mU=nAU; |
---|
| 1197 | G4int mS=nS; // A # of S quarks or anti U quarks |
---|
| 1198 | if (nS<=0) mS= nAS; |
---|
| 1199 | // ---------------------- Cancelation of q-qbar pairs in case of an excess |
---|
| 1200 | if ( nU>nAU && nAU>0) |
---|
| 1201 | { |
---|
| 1202 | mU=nU-nAU; |
---|
| 1203 | n-=nAU+nAU; |
---|
| 1204 | } |
---|
| 1205 | if (nAU>nU && nU>0) |
---|
| 1206 | { |
---|
| 1207 | mU=nAU-nU; |
---|
| 1208 | n-=nU+nU; |
---|
| 1209 | } |
---|
| 1210 | if ( nD>nAD && nAD>0) |
---|
| 1211 | { |
---|
| 1212 | mD=nD-nAD; |
---|
| 1213 | n-=nAD+nAD; |
---|
| 1214 | } |
---|
| 1215 | if (nAD>nD && nD>0) |
---|
| 1216 | { |
---|
| 1217 | mD=nAD-nD; |
---|
| 1218 | n-=nD+nD; |
---|
| 1219 | } |
---|
| 1220 | if ( nS>nAS && nAS>0) |
---|
| 1221 | { |
---|
| 1222 | mS=nS-nAS; |
---|
| 1223 | n-=nAS+nAS; |
---|
| 1224 | } |
---|
| 1225 | if (nAS>nS && nS>0) |
---|
| 1226 | { |
---|
| 1227 | mS= nAS-nS; |
---|
| 1228 | n-=nS+nS; |
---|
| 1229 | } |
---|
| 1230 | // ---------------------- Cancelation of q-qbar pairs in case of an equality |
---|
| 1231 | if (nAD==nD && nD>0) |
---|
| 1232 | { |
---|
| 1233 | G4int dD=nD+nD; |
---|
| 1234 | if(n>dD) |
---|
[1055] | 1235 | { |
---|
[819] | 1236 | mD=0; |
---|
| 1237 | n-=dD; |
---|
[1055] | 1238 | } |
---|
[819] | 1239 | else if (n==dD) |
---|
[1055] | 1240 | { |
---|
[819] | 1241 | mD=2; |
---|
| 1242 | n=2; |
---|
[1055] | 1243 | } |
---|
[819] | 1244 | else |
---|
| 1245 | { |
---|
[1196] | 1246 | #ifdef debug |
---|
[819] | 1247 | G4cout<<"***G4QC::SPDG:CanD U="<<mU<<",D="<<mD<<",S="<<mS<<",QC="<<GetThis()<<G4endl; |
---|
| 1248 | #endif |
---|
| 1249 | return 0; |
---|
| 1250 | } |
---|
| 1251 | } |
---|
| 1252 | if (nAU==nU && nU>0) |
---|
| 1253 | { |
---|
| 1254 | G4int dU=nU+nU; |
---|
| 1255 | if(n>dU) |
---|
[1055] | 1256 | { |
---|
[819] | 1257 | mU=0; |
---|
| 1258 | n-=dU; |
---|
[1055] | 1259 | } |
---|
[819] | 1260 | else if (n==dU) |
---|
[1055] | 1261 | { |
---|
[819] | 1262 | mU=2; |
---|
| 1263 | n=2; |
---|
[1055] | 1264 | } |
---|
[819] | 1265 | else |
---|
| 1266 | { |
---|
[1196] | 1267 | #ifdef debug |
---|
[819] | 1268 | G4cout<<"***G4QC::SPDG:CanU U="<<mU<<",D="<<mD<<",S="<<mS<<",QC="<<GetThis()<<G4endl; |
---|
| 1269 | #endif |
---|
| 1270 | return 0; |
---|
| 1271 | } |
---|
| 1272 | } |
---|
| 1273 | if (nAS==nS && nS>0) //@@ Starts with S-quarks - should be randomized and mass limited |
---|
| 1274 | { |
---|
| 1275 | G4int dS=nS+nS; |
---|
| 1276 | if(n>dS) |
---|
[1055] | 1277 | { |
---|
[819] | 1278 | mS=0; |
---|
| 1279 | n-=dS; |
---|
[1055] | 1280 | } |
---|
[819] | 1281 | else if (n==dS) |
---|
[1055] | 1282 | { |
---|
[819] | 1283 | mS=2; |
---|
| 1284 | n=2; |
---|
[1055] | 1285 | } |
---|
[819] | 1286 | else |
---|
| 1287 | { |
---|
[1196] | 1288 | #ifdef debug |
---|
[819] | 1289 | G4cout<<"***G4QC::SPDG:CanS U="<<mU<<",D="<<mD<<",S="<<mS<<",QC="<<GetThis()<<G4endl; |
---|
| 1290 | #endif |
---|
| 1291 | return 0; |
---|
| 1292 | } |
---|
| 1293 | } |
---|
| 1294 | |
---|
| 1295 | G4int b=GetBaryonNumber(); |
---|
| 1296 | G4int c=GetCharge(); |
---|
| 1297 | G4int s=GetStrangeness(); |
---|
[1196] | 1298 | #ifdef debug |
---|
[819] | 1299 | G4cout<<"G4QC::SPDGC:bef. b="<<b<<",n="<<n<<",c="<<c<<",s="<<s<<",Q="<<GetThis()<<G4endl; |
---|
| 1300 | #endif |
---|
| 1301 | if (b) // ==================== Baryon case |
---|
| 1302 | { |
---|
[1196] | 1303 | |
---|
[819] | 1304 | G4int ab=abs(b); |
---|
| 1305 | if(ab>=2 && n>=6) // Multi-Baryonium (NuclearFragment) |
---|
[1055] | 1306 | { |
---|
[819] | 1307 | G4int mI=nU-nAU-nD+nAD; |
---|
| 1308 | //if (abs(mI)>3||mS>3||(b>0&&s<-1)||(b<0&&s>1)) return 0; |
---|
| 1309 | //else if(abs(mI)>2||mS>2||(b>0&&s< 0)||(b<0&&s>0)) return 10; |
---|
[1196] | 1310 | if ( (b > 0 && s < -1) || (b < 0 && s > 1) ) return 10; |
---|
[819] | 1311 | else if (abs(mI) > 2 || mS > 2 |
---|
| 1312 | || (b > 0 && s < 0) |
---|
| 1313 | || (b < 0 && s > 0)) return GetZNSPDGCode(); |
---|
| 1314 | else if(mU>=mS&&mD>=mS&&mU+mD+mS==3*b) // Possible Unary Nuclear Cluster |
---|
[1055] | 1315 | { |
---|
[819] | 1316 | G4int mZ=(mU+mD-mS-mS+3*mI)/6; |
---|
| 1317 | p = 90000000+1000*(1000*mS+mZ)+mZ-mI; |
---|
| 1318 | if(b>0) return p; |
---|
| 1319 | else return -p; |
---|
[1055] | 1320 | } |
---|
[819] | 1321 | else return 10; |
---|
[1055] | 1322 | } |
---|
[819] | 1323 | // Normal One Baryon States: Heavy quark should come first |
---|
| 1324 | if(n>5) return GetZNSPDGCode(); //B+M+M Tripolino etc |
---|
| 1325 | if(n==5) return 10; //B+M Chipolino |
---|
| 1326 | if(mS>0) // Strange Baryons |
---|
[1055] | 1327 | { |
---|
[819] | 1328 | p=3002; |
---|
| 1329 | if (mS==3) p+=332; // Decuplet |
---|
| 1330 | else if (mS==2) |
---|
| 1331 | { |
---|
| 1332 | if (mU==1 && mD==0) p+=320; |
---|
| 1333 | else if (mU==0 && mD==1) p+=310; |
---|
| 1334 | else |
---|
[1055] | 1335 | { |
---|
[819] | 1336 | #ifdef debug |
---|
| 1337 | G4cout<<"**G4QC::SPDG:ExoticBSS,U="<<mU<<",D="<<mD<<",S="<<mS<<GetThis()<<G4endl; |
---|
| 1338 | #endif |
---|
| 1339 | return GetZNSPDGCode(); |
---|
| 1340 | } |
---|
[1055] | 1341 | } |
---|
[819] | 1342 | else if (mS==1) |
---|
| 1343 | { |
---|
| 1344 | if (mU==2 && mD==0) p+=220; |
---|
| 1345 | else if (mU==1 && mD==1) p+=120; // Lambda (M_Lambda<M_Sigma0) PDG_Sigma=3212 |
---|
| 1346 | else if (mU==0 && mD==2) p+=110; |
---|
| 1347 | else |
---|
| 1348 | { |
---|
| 1349 | #ifdef debug |
---|
| 1350 | G4cout<<"***G4QC::SPDG:ExoticBS,U="<<mU<<",D="<<mD<<",S="<<mS<<GetThis()<<G4endl; |
---|
| 1351 | #endif |
---|
| 1352 | return GetZNSPDGCode(); |
---|
| 1353 | } |
---|
[1055] | 1354 | } |
---|
[819] | 1355 | else // Superstrange case |
---|
| 1356 | { |
---|
| 1357 | #ifdef debug |
---|
| 1358 | G4cout<<"***G4QC::GetSPDG:ExoBarS,U="<<mU<<",D="<<mD<<",S="<<mS<<GetThis()<<G4endl; |
---|
| 1359 | #endif |
---|
| 1360 | return GetZNSPDGCode(); |
---|
| 1361 | } |
---|
[1055] | 1362 | } |
---|
[819] | 1363 | else if (mU>0) // Not Strange Baryons |
---|
[1055] | 1364 | { |
---|
[819] | 1365 | p=2002; |
---|
| 1366 | if (mU==3 && mD==0) p+=222; // Decuplet |
---|
| 1367 | else if (mU==2 && mD==1) p+=210; |
---|
| 1368 | else if (mU==1 && mD==2) p+=110; // There is a higher Delta S31 (PDG=1212) |
---|
| 1369 | else |
---|
| 1370 | { |
---|
| 1371 | #ifdef debug |
---|
| 1372 | G4cout<<"***G4QC::SPDG:ExoBaryonU,U="<<mU<<",D="<<mD<<",S="<<mS<<GetThis()<<G4endl; |
---|
| 1373 | #endif |
---|
| 1374 | return GetZNSPDGCode(); |
---|
| 1375 | } |
---|
[1055] | 1376 | } |
---|
[819] | 1377 | else if (mD==3) p=1114; // Decuplet |
---|
| 1378 | else |
---|
| 1379 | { |
---|
| 1380 | #ifdef debug |
---|
| 1381 | G4cout<<"**G4QC::SPDG:ExoticBaryonD,U="<<mU<<",D="<<mD<<",S="<<mS<<GetThis()<<G4endl; |
---|
| 1382 | #endif |
---|
| 1383 | return GetZNSPDGCode(); |
---|
[1055] | 1384 | } |
---|
[819] | 1385 | if (b<0) p=-p; |
---|
| 1386 | } |
---|
| 1387 | else // ====================>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Meson case |
---|
| 1388 | { |
---|
| 1389 | #ifdef debug |
---|
| 1390 | G4cout<<"G4QC::SPDG:mDUS="<<mD<<","<<mU<<","<<mS<<",b,c,s="<<b<<","<<c<<","<<s<<G4endl; |
---|
| 1391 | #endif |
---|
| 1392 | if(n>4) // Super Exotics |
---|
| 1393 | { |
---|
| 1394 | #ifdef debug |
---|
| 1395 | G4cout<<"G4QC::SPDG:n>4 SEx:U="<<mU<<",D="<<mD<<",S="<<mS<<",QC="<<GetThis()<<G4endl; |
---|
| 1396 | #endif |
---|
| 1397 | return 0; |
---|
[1055] | 1398 | } |
---|
[819] | 1399 | if(n==4) return 10; // M+M Chipolino |
---|
| 1400 | if(abs(s)>1) |
---|
[1055] | 1401 | { |
---|
[819] | 1402 | #ifdef debug |
---|
| 1403 | G4cout<<"**G4QC::SPDG:Stran="<<s<<",QC="<<GetThis()<<" - Superstrange Meson"<<G4endl; |
---|
| 1404 | #endif |
---|
| 1405 | return 0; |
---|
[1055] | 1406 | } |
---|
[819] | 1407 | // Heavy quark should come first |
---|
| 1408 | if(mS>0) // Strange Mesons |
---|
[1055] | 1409 | { |
---|
[819] | 1410 | p=301; |
---|
| 1411 | if (mS==2) |
---|
| 1412 | { |
---|
| 1413 | //if (G4UniformRand()<0.333) p=221; // eta |
---|
| 1414 | //else p+=30; // eta' |
---|
| 1415 | p=221; |
---|
| 1416 | } |
---|
| 1417 | else if (mU==1 && mD==0) p+=20; |
---|
| 1418 | else if (mU==0 && mD==1) p+=10; |
---|
| 1419 | else |
---|
| 1420 | { |
---|
| 1421 | #ifdef debug |
---|
| 1422 | G4cout<<"*G4QC::SPDG:ExMS U="<<mU<<",D="<<mD<<",S="<<mS<<",QC="<<GetThis()<<G4endl; |
---|
| 1423 | #endif |
---|
| 1424 | return 0; |
---|
| 1425 | } |
---|
[1055] | 1426 | } |
---|
[819] | 1427 | else if (mU>0) // Isotopic Mesons |
---|
[1055] | 1428 | { |
---|
[819] | 1429 | p=201; |
---|
| 1430 | //if (mU==2 && mD==0) p=221; // Performance problems |
---|
| 1431 | if (mU==2 && mD==0) p=111; |
---|
| 1432 | else if (mU==1 && mD==1) p+=10; |
---|
| 1433 | else |
---|
[1055] | 1434 | { |
---|
[819] | 1435 | #ifdef debug |
---|
| 1436 | G4cout<<"*G4QC::SPDG:ExMU U="<<mU<<",D="<<mD<<",S="<<mS<<",QC="<<GetThis()<<G4endl; |
---|
| 1437 | #endif |
---|
| 1438 | return 0; |
---|
| 1439 | } |
---|
[1055] | 1440 | } |
---|
[819] | 1441 | else if (mD==2) p=111; |
---|
| 1442 | else |
---|
| 1443 | { |
---|
| 1444 | #ifdef debug |
---|
| 1445 | G4cout<<"***G4QC::SPDG:ExMD U="<<mU<<",D="<<mD<<",S="<<mS<<",QC="<<GetThis()<<G4endl; |
---|
| 1446 | #endif |
---|
| 1447 | return 0; |
---|
| 1448 | } |
---|
| 1449 | if (c<0 || (c==0 && mS>0 && s>0)) p=-p; |
---|
| 1450 | } |
---|
| 1451 | #ifdef debug |
---|
| 1452 | G4cout<<"G4QC::GetSPDG:output SPDGcode="<<p<<" for the QuarkContent="<<GetThis()<<G4endl; |
---|
| 1453 | #endif |
---|
| 1454 | return p; |
---|
| 1455 | } |
---|
| 1456 | |
---|
| 1457 | // === Calculate a number of combinations of rhc out of lhc == |
---|
| 1458 | G4int G4QContent::NOfCombinations(const G4QContent& rhs) const |
---|
| 1459 | {// ======================================================== |
---|
| 1460 | G4int c=1; // Default number of combinations? |
---|
| 1461 | #ifdef ppdebug |
---|
| 1462 | G4cout<<"G4QContent::NOfComb: This="<<GetThis()<<", selectQC="<<rhs<<G4endl; |
---|
| 1463 | #endif |
---|
| 1464 | G4int mD=rhs.GetD(); |
---|
| 1465 | G4int mU=rhs.GetU(); |
---|
| 1466 | G4int mS=rhs.GetS(); |
---|
| 1467 | G4int mAD=rhs.GetAD(); |
---|
| 1468 | G4int mAU=rhs.GetAU(); |
---|
| 1469 | G4int mAS=rhs.GetAS(); |
---|
| 1470 | G4int mN=mD+mU+mS-mAD-mAU-mAS; |
---|
| 1471 | ////////////G4int PDG=abs(GetSPDGCode()); |
---|
| 1472 | if (( ((nD < mD || nAD < mAD) && !(mD-mAD)) || |
---|
| 1473 | ((nU < mU || nAU < mAU) && !(mU-mAU)) || |
---|
| 1474 | ((nS < mS || nAS < mAS) && !(mS-mAS)) ) && !mN) return 1; |
---|
| 1475 | if(mD>0) |
---|
| 1476 | { |
---|
| 1477 | int j=nD; |
---|
| 1478 | if (j<=0) return 0; |
---|
| 1479 | if(mD>1||j>1) for (int i=1; i<=mD; i++) |
---|
[1055] | 1480 | { |
---|
[819] | 1481 | if(!j) return 0; |
---|
| 1482 | c*=j/i; |
---|
| 1483 | j--; |
---|
| 1484 | } |
---|
[1055] | 1485 | } |
---|
[819] | 1486 | if(mU>0) |
---|
| 1487 | { |
---|
| 1488 | int j=nU; |
---|
| 1489 | if (j<=0) return 0; |
---|
| 1490 | if(mU>1||j>1) for (int i=1; i<=mU; i++) |
---|
[1055] | 1491 | { |
---|
[819] | 1492 | if(!j) return 0; |
---|
| 1493 | c*=j/i; |
---|
| 1494 | j--; |
---|
| 1495 | } |
---|
[1055] | 1496 | } |
---|
[819] | 1497 | if(mS>0) |
---|
| 1498 | { |
---|
| 1499 | int j=nS; |
---|
| 1500 | if (j<=0) return 0; |
---|
| 1501 | if(mS>1||j>1) for (int i=1; i<=mS; i++) |
---|
[1055] | 1502 | { |
---|
[819] | 1503 | if(!j) return 0; |
---|
| 1504 | c*=j/i; |
---|
| 1505 | j--; |
---|
| 1506 | } |
---|
[1055] | 1507 | } |
---|
[819] | 1508 | if(mAD>0) |
---|
| 1509 | { |
---|
| 1510 | int j=nAD; |
---|
| 1511 | if (j<=0) return 0; |
---|
| 1512 | if(mAD>1||j>1) for (int i=1; i<=mAD; i++) |
---|
[1055] | 1513 | { |
---|
[819] | 1514 | if(!j) return 0; |
---|
| 1515 | c*=j/i; |
---|
| 1516 | j--; |
---|
| 1517 | } |
---|
[1055] | 1518 | } |
---|
[819] | 1519 | if(mAU>0) |
---|
| 1520 | { |
---|
| 1521 | int j=nAU; |
---|
| 1522 | if (j<=0) return 0; |
---|
| 1523 | if(mAU>1||j>1) for (int i=1; i<=mAU; i++) |
---|
[1055] | 1524 | { |
---|
[819] | 1525 | if(!j) return 0; |
---|
| 1526 | c*=j/i; |
---|
| 1527 | j--; |
---|
| 1528 | } |
---|
[1055] | 1529 | } |
---|
[819] | 1530 | if(mAS>0) |
---|
| 1531 | { |
---|
| 1532 | int j=nAS; |
---|
| 1533 | if (j<=0) return 0; |
---|
| 1534 | if(mAS>1||j>1) for (int i=1; i<=mAS; i++) |
---|
[1055] | 1535 | { |
---|
[819] | 1536 | if(!j) return 0; |
---|
| 1537 | c*=j/i; |
---|
| 1538 | j--; |
---|
| 1539 | } |
---|
[1055] | 1540 | } |
---|
[819] | 1541 | return c; |
---|
| 1542 | } |
---|
[1196] | 1543 | |
---|
| 1544 | // Make PDG's of PartonPairs for Mesons & Baryons (only) |
---|
| 1545 | std::pair<G4int,G4int> G4QContent::MakePartonPair() const |
---|
| 1546 | { |
---|
| 1547 | G4double S=0.; |
---|
| 1548 | S+=nD; |
---|
| 1549 | G4double dP=S; |
---|
| 1550 | S+=nU; |
---|
| 1551 | G4double uP=S; |
---|
| 1552 | S+=nS; |
---|
| 1553 | G4double sP=S; |
---|
| 1554 | S+=nAD; |
---|
| 1555 | G4double dA=S; |
---|
| 1556 | S+=nAU; |
---|
| 1557 | G4double uA=S; |
---|
| 1558 | S+=nAS; |
---|
| 1559 | if(!S) |
---|
| 1560 | { |
---|
| 1561 | G4int f= static_cast<int>(1.+2.3*G4UniformRand()); // Random flavor @@ a Parameter |
---|
| 1562 | return std::make_pair(f,-f); |
---|
| 1563 | } |
---|
| 1564 | G4int f=0; |
---|
| 1565 | G4double R=S*G4UniformRand(); |
---|
| 1566 | if (R<dP) f=1; |
---|
| 1567 | else if(R<uP) f=2; |
---|
| 1568 | else if(R<sP) f=3; |
---|
| 1569 | else if(R<dA) f=-1; |
---|
| 1570 | else if(R<uA) f=-2; |
---|
| 1571 | else f=-3; |
---|
| 1572 | if(f<0) // anti-quark |
---|
| 1573 | { |
---|
| 1574 | if(nD || nU || nS) // a Meson |
---|
| 1575 | { |
---|
| 1576 | if (nD) return std::make_pair(1,f); |
---|
| 1577 | else if(nU) return std::make_pair(2,f); |
---|
| 1578 | else return std::make_pair(3,f); |
---|
| 1579 | } |
---|
| 1580 | else // Anti-Baryon |
---|
| 1581 | { |
---|
| 1582 | // @@ Can be improved, taking into acount weights (i,i): w=3, (i,j#i): w=4(s=0 + s=1) |
---|
| 1583 | G4int AD=nAD; |
---|
| 1584 | if(f==-1) AD--; |
---|
| 1585 | G4int AU=nAU; |
---|
| 1586 | if(f==-1) AU--; |
---|
| 1587 | G4int AS=nAS; |
---|
| 1588 | if(f==-1) AS--; |
---|
| 1589 | if (AS) |
---|
| 1590 | { |
---|
| 1591 | if (AS==2) return std::make_pair(-3303,f); // 3301 does not exist |
---|
| 1592 | else if(AU) return std::make_pair(-3201,f); // @@ only lightest |
---|
| 1593 | else return std::make_pair(-3101,f); // @@ only lightest |
---|
| 1594 | } |
---|
| 1595 | else if(AU) |
---|
| 1596 | { |
---|
| 1597 | if (AU==2) return std::make_pair(-2203,f); // 2201 does not exist |
---|
| 1598 | else return std::make_pair(-2101,f); // @@ only lightest |
---|
| 1599 | } |
---|
| 1600 | else return std::make_pair(-1103,f); // 1101 does not exist |
---|
| 1601 | } |
---|
| 1602 | } |
---|
| 1603 | else // quark (f is a PDG code of the quark) |
---|
| 1604 | { |
---|
| 1605 | if(nAD || nAU || nAS) // a Meson |
---|
| 1606 | { |
---|
| 1607 | if (nAD) return std::make_pair(f,-1); |
---|
| 1608 | else if(nAU) return std::make_pair(f,-2); |
---|
| 1609 | else return std::make_pair(f,-3); |
---|
| 1610 | } |
---|
| 1611 | else // Anti-Baryon |
---|
| 1612 | { |
---|
| 1613 | // @@ Can be improved, taking into acount weights (i,i): w=3, (i,j#i): w=4(s=0 + s=1) |
---|
| 1614 | G4int AD=nD; |
---|
| 1615 | if(f==-1) AD--; |
---|
| 1616 | G4int AU=nU; |
---|
| 1617 | if(f==-1) AU--; |
---|
| 1618 | G4int AS=nS; |
---|
| 1619 | if(f==-1) AS--; |
---|
| 1620 | if (AS) |
---|
| 1621 | { |
---|
| 1622 | if (AS==2) return std::make_pair(f,3303); // 3301 does not exist |
---|
| 1623 | else if(AU) return std::make_pair(f,3201); // @@ only lightest |
---|
| 1624 | else return std::make_pair(f,3101); // @@ only lightest |
---|
| 1625 | } |
---|
| 1626 | else if(AU) |
---|
| 1627 | { |
---|
| 1628 | if (AU==2) return std::make_pair(f,2203); // 2201 does not exist |
---|
| 1629 | else return std::make_pair(f,2101); // @@ only lightest |
---|
| 1630 | } |
---|
| 1631 | else return std::make_pair(f,1103); // 1101 does not exist |
---|
| 1632 | } |
---|
| 1633 | } |
---|
| 1634 | } |
---|
| 1635 | |
---|
| 1636 | // Add parton (pPDG) to the hadron (this QC) & get parton PDG (Baryons,Mesons,Anti-Baryons) |
---|
| 1637 | G4int G4QContent::AddParton(G4int pPDG) const |
---|
| 1638 | { |
---|
| 1639 | #ifdef debug |
---|
| 1640 | G4cout<<"G4QContent::AddParton: This="<<GetThis()<<", pPDG="<<pPDG<<G4endl; |
---|
| 1641 | #endif |
---|
| 1642 | if(!pPDG || pPDG==9 || pPDG==21) |
---|
| 1643 | { |
---|
| 1644 | #ifdef debug |
---|
| 1645 | G4cout<<"-Warning-G4QContent::AddParton: ImpossibleToAdd PartonWithPDG="<<pPDG<<G4endl; |
---|
| 1646 | #endif |
---|
| 1647 | return 0; |
---|
| 1648 | } |
---|
| 1649 | G4int aPDG = std::abs(pPDG); |
---|
| 1650 | if( (aPDG>3 && aPDG<1101) || pPDG>3303) // @@ 1101 does not exist |
---|
| 1651 | { |
---|
| 1652 | #ifdef debug |
---|
| 1653 | G4cout<<"-Warning-G4QContent::AddParton: Impossible Parton with PDG="<<pPDG<<G4endl; |
---|
| 1654 | #endif |
---|
| 1655 | return 0; |
---|
| 1656 | } |
---|
| 1657 | G4int HBN = GetBaryonNumber(); |
---|
| 1658 | if( HBN > 1 || HBN <-1) |
---|
| 1659 | { |
---|
| 1660 | #ifdef debug |
---|
| 1661 | G4cout<<"-Warning-G4QContent::AddParton: Impossible Hadron with BaryonN="<<HBN<<G4endl; |
---|
| 1662 | #endif |
---|
| 1663 | return 0; |
---|
| 1664 | } |
---|
| 1665 | G4int AD=nAD; |
---|
| 1666 | G4int AU=nAU; |
---|
| 1667 | G4int AS=nAS; |
---|
| 1668 | G4int QD=nD; |
---|
| 1669 | G4int QU=nU; |
---|
| 1670 | G4int QS=nS; |
---|
| 1671 | if(aPDG>99) // Parton is DiQuark/antiDiQuark |
---|
| 1672 | { |
---|
| 1673 | G4int rPDG=aPDG/100; |
---|
| 1674 | G4int P1=rPDG/10; // First quark |
---|
| 1675 | G4int P2=rPDG%10; // Second quark |
---|
| 1676 | #ifdef debug |
---|
| 1677 | G4cout<<"G4QContent::AddParton: DiQuark/AntiDiQuark, P1="<<P1<<", P2="<<P2<<G4endl; |
---|
| 1678 | #endif |
---|
| 1679 | if(pPDG>0) // -- DiQuark |
---|
| 1680 | { |
---|
| 1681 | #ifdef debug |
---|
| 1682 | G4cout<<"G4QContent::AddParton: DiQuark, P1="<<P1<<", P2="<<P2<<",HBN="<<HBN<<G4endl; |
---|
| 1683 | #endif |
---|
| 1684 | if (P1==3 && P2==3) // ----> ss DiQuark |
---|
| 1685 | { |
---|
| 1686 | if(HBN<0 && AS>1) AS-=2; // >> Annihilation of ss-DiQuark with anti-Baryon |
---|
| 1687 | else if(!HBN && AS==1) |
---|
| 1688 | { |
---|
| 1689 | AS=0; |
---|
| 1690 | ++QS; |
---|
| 1691 | } |
---|
| 1692 | else if(HBN || (!HBN && !AS)) return 0; |
---|
| 1693 | } |
---|
| 1694 | else if(P1==3 && P2==2) // ----> su DiQuark |
---|
| 1695 | { |
---|
| 1696 | if(HBN<0 && AS && AU) // >> Annihilation of su-DiQuark with anti-Baryon |
---|
| 1697 | { |
---|
| 1698 | --AS; |
---|
| 1699 | --AU; |
---|
| 1700 | } |
---|
| 1701 | else if(!HBN && (AS || AU)) |
---|
| 1702 | { |
---|
| 1703 | if(AS) |
---|
| 1704 | { |
---|
| 1705 | --AS; |
---|
| 1706 | ++QU; |
---|
| 1707 | } |
---|
| 1708 | else |
---|
| 1709 | { |
---|
| 1710 | --AU; |
---|
| 1711 | ++QS; |
---|
| 1712 | } |
---|
| 1713 | } |
---|
| 1714 | else if(HBN || (!HBN && !AS && !AU)) return 0; |
---|
| 1715 | } |
---|
| 1716 | else if(P1==3 && P2==1) // ----> sd DiQuark |
---|
| 1717 | { |
---|
| 1718 | if(HBN<0 && AS && AD) // >> Annihilation of sd-DiQuark with anti-Baryon |
---|
| 1719 | { |
---|
| 1720 | --AS; |
---|
| 1721 | --AD; |
---|
| 1722 | } |
---|
| 1723 | else if(!HBN && (AS || AD)) |
---|
| 1724 | { |
---|
| 1725 | if(AS) |
---|
| 1726 | { |
---|
| 1727 | --AS; |
---|
| 1728 | ++QD; |
---|
| 1729 | } |
---|
| 1730 | else |
---|
| 1731 | { |
---|
| 1732 | --AD; |
---|
| 1733 | ++QS; |
---|
| 1734 | } |
---|
| 1735 | } |
---|
| 1736 | else if(HBN || (!HBN && !AS && !AD)) return 0; |
---|
| 1737 | } |
---|
| 1738 | else if(P1==2 && P2==2) // ----> uu DiQuark |
---|
| 1739 | { |
---|
| 1740 | if(HBN<0 && AU>1) AU-=2; // >> Annihilation of uu-DiQuark with anti-Baryon |
---|
| 1741 | else if(!HBN && AU==1) |
---|
| 1742 | { |
---|
| 1743 | AU=0; |
---|
| 1744 | ++QU; |
---|
| 1745 | } |
---|
| 1746 | else if(HBN || (!HBN && !AU)) return 0; |
---|
| 1747 | } |
---|
| 1748 | else if(P1==2 && P2==1) // ----> ud DiQuark |
---|
| 1749 | { |
---|
| 1750 | if(HBN<0 && AD && AU) // >> Annihilation of ud-DiQuark with anti-Baryon |
---|
| 1751 | { |
---|
| 1752 | --AD; |
---|
| 1753 | --AU; |
---|
| 1754 | } |
---|
| 1755 | else if(!HBN && (AD || AU)) |
---|
| 1756 | { |
---|
| 1757 | if(AD) |
---|
| 1758 | { |
---|
| 1759 | --AD; |
---|
| 1760 | ++QU; |
---|
| 1761 | } |
---|
| 1762 | else |
---|
| 1763 | { |
---|
| 1764 | --AU; |
---|
| 1765 | ++QD; |
---|
| 1766 | } |
---|
| 1767 | } |
---|
| 1768 | else if(HBN || (!HBN && !AU && !AD)) return 0; |
---|
| 1769 | } |
---|
| 1770 | else // ----> dd DiQuark |
---|
| 1771 | { |
---|
| 1772 | if(HBN<0 && AD>1) AD-=2; // >> Annihilation of dd-DiQuark with anti-Baryon |
---|
| 1773 | else if(!HBN && AD==1) |
---|
| 1774 | { |
---|
| 1775 | AD=0; |
---|
| 1776 | ++QD; |
---|
| 1777 | } |
---|
| 1778 | else if(HBN || (!HBN && !AD)) return 0; |
---|
| 1779 | } |
---|
| 1780 | #ifdef debug |
---|
| 1781 | G4cout<<"G4QContent::AddParton: DQ, QC="<<QD<<","<<QU<<","<<QS<<","<<AD<<","<<AU<<"," |
---|
| 1782 | <<AS<<G4endl; |
---|
| 1783 | #endif |
---|
| 1784 | if (HBN<0) // ....... Hadron is an Anti-Baryon |
---|
| 1785 | { |
---|
| 1786 | if (AD) return -1; // >>>>>>> Answer is anti-d |
---|
| 1787 | else if(AU) return -2; // >>>>>>> Answer is anti-u |
---|
| 1788 | else return -3; // >>>>>>> Answer is anti-s |
---|
| 1789 | } |
---|
| 1790 | else // ... Hadron is aMeson with annihilatedAntiQuark |
---|
| 1791 | { |
---|
| 1792 | if (QS) // --------- There is an s-quark |
---|
| 1793 | { |
---|
| 1794 | if (QS==2) return 3303; // >>>>>>> Answer is ss (3301 does not exist) |
---|
| 1795 | else if(QU) return 3201; // >>>>>>> Answer is su (@@ only lightest) |
---|
| 1796 | else return 3101; // >>>>>>> Answer is sd (@@ only lightest) |
---|
| 1797 | } |
---|
| 1798 | else if(QU) // --------- There is an u quark |
---|
| 1799 | { |
---|
| 1800 | if (QU==2) return 2203; // >>>>>>> Answer is uu (2201 does not exist) |
---|
| 1801 | else return 2101; // >>>>>>> Answer is ud (@@ only lightest) |
---|
| 1802 | } |
---|
| 1803 | else return 1103; // >>>>>>> Answer is dd (1101 does not exist) |
---|
| 1804 | } |
---|
| 1805 | } |
---|
| 1806 | else // -- antiDiQuark |
---|
| 1807 | { |
---|
| 1808 | #ifdef debug |
---|
| 1809 | G4cout<<"G4QContent::AddParton: AntiDiQuark,P1="<<P1<<",P2="<<P2<<",B="<<HBN<<G4endl; |
---|
| 1810 | #endif |
---|
| 1811 | if (P1==3 && P2==3) // ----> anti-s-anti-s DiQuark |
---|
| 1812 | { |
---|
| 1813 | if(HBN>0 && QS>1) QS-=2; // >> Annihilation of anti-ss-DiQuark with Baryon |
---|
| 1814 | else if(!HBN && QS==1) |
---|
| 1815 | { |
---|
| 1816 | QS=0; |
---|
| 1817 | ++AS; |
---|
| 1818 | } |
---|
| 1819 | else if(HBN || (!HBN && !QS)) return 0; |
---|
| 1820 | } |
---|
| 1821 | else if(P1==3 && P2==2) // ----> anti-s-anti-u DiQuark |
---|
| 1822 | { |
---|
| 1823 | if(HBN>0 && QS && QU) // >> Annihilation of anti-su-DiQuark with Baryon |
---|
| 1824 | { |
---|
| 1825 | --QS; |
---|
| 1826 | --QU; |
---|
| 1827 | } |
---|
| 1828 | else if(!HBN && (QS || QU)) |
---|
| 1829 | { |
---|
| 1830 | if(QS) |
---|
| 1831 | { |
---|
| 1832 | --QS; |
---|
| 1833 | ++AU; |
---|
| 1834 | } |
---|
| 1835 | else |
---|
| 1836 | { |
---|
| 1837 | --QU; |
---|
| 1838 | ++AS; |
---|
| 1839 | } |
---|
| 1840 | } |
---|
| 1841 | else if(HBN || (!HBN && !QS && !QU)) return 0; |
---|
| 1842 | } |
---|
| 1843 | else if(P1==3 && P2==1) // ----> anti-s-anti-d DiQuark |
---|
| 1844 | { |
---|
| 1845 | if(HBN>0 && QS && QD) // >> Annihilation of anti-sd-DiQuark with Baryon |
---|
| 1846 | { |
---|
| 1847 | --QS; |
---|
| 1848 | --QD; |
---|
| 1849 | } |
---|
| 1850 | else if(!HBN && (QS || QD)) |
---|
| 1851 | { |
---|
| 1852 | if(QS) |
---|
| 1853 | { |
---|
| 1854 | --QS; |
---|
| 1855 | ++AD; |
---|
| 1856 | } |
---|
| 1857 | else |
---|
| 1858 | { |
---|
| 1859 | --QD; |
---|
| 1860 | ++AS; |
---|
| 1861 | } |
---|
| 1862 | } |
---|
| 1863 | else if(HBN || (!HBN && !QS && !QD)) return 0; |
---|
| 1864 | } |
---|
| 1865 | else if(P1==2 && P2==2) // ----> anti-u-anti-u DiQuark |
---|
| 1866 | { |
---|
| 1867 | if(HBN>0 && QU>1) QU-=2; // >> Annihilation of anti-uu-DiQuark with Baryon |
---|
| 1868 | else if(!HBN && QU==1) |
---|
| 1869 | { |
---|
| 1870 | QU=0; |
---|
| 1871 | ++AU; |
---|
| 1872 | } |
---|
| 1873 | else if(HBN || (!HBN && !QU)) return 0; |
---|
| 1874 | } |
---|
| 1875 | else if(P1==2 && P2==1) // ----> anti-u-anti-d DiQuark |
---|
| 1876 | { |
---|
| 1877 | if(HBN>0 && QU && QD) // >> Annihilation of anti-ud-DiQuark with Baryon |
---|
| 1878 | { |
---|
| 1879 | --QU; |
---|
| 1880 | --QD; |
---|
| 1881 | } |
---|
| 1882 | else if(!HBN && (QU || QD)) |
---|
| 1883 | { |
---|
| 1884 | if(QU) |
---|
| 1885 | { |
---|
| 1886 | --QU; |
---|
| 1887 | ++AD; |
---|
| 1888 | } |
---|
| 1889 | else |
---|
| 1890 | { |
---|
| 1891 | --QD; |
---|
| 1892 | ++AU; |
---|
| 1893 | } |
---|
| 1894 | } |
---|
| 1895 | else if(HBN || (!HBN && !QU && !QD)) return 0; |
---|
| 1896 | } |
---|
| 1897 | else // ----> anti-d=anti-d DiQuark |
---|
| 1898 | { |
---|
| 1899 | if(HBN>0 && QD>1) QD-=2; // >> Annihilation of anti-dd-DiQuark with Baryon |
---|
| 1900 | else if(!HBN && QD==1) |
---|
| 1901 | { |
---|
| 1902 | QD=0; |
---|
| 1903 | ++AD; |
---|
| 1904 | } |
---|
| 1905 | else if(HBN || (!HBN && !QD)) return 0; |
---|
| 1906 | } |
---|
| 1907 | #ifdef debug |
---|
| 1908 | G4cout<<"G4QContent::AddParton:ADQ, QC="<<QD<<","<<QU<<","<<QS<<","<<AD<<","<<AU<<"," |
---|
| 1909 | <<AS<<G4endl; |
---|
| 1910 | #endif |
---|
| 1911 | if (HBN>0) // ....... Hadron is an Baryon |
---|
| 1912 | { |
---|
| 1913 | if (QD) return 1; // >>>>>>> Answer is d |
---|
| 1914 | else if(QU) return 2; // >>>>>>> Answer is u |
---|
| 1915 | else return 3; // >>>>>>> Answer is s |
---|
| 1916 | } |
---|
| 1917 | else // ....... Meson with annihilated Anti-Quark |
---|
| 1918 | { |
---|
| 1919 | if (AS) // --------- There is an anti-s quark |
---|
| 1920 | { |
---|
| 1921 | if (AS==2) return -3303; // >>>>>>> Answer is anti-ss (3301 does not exist) |
---|
| 1922 | else if(AU) return -3201; // >>>>>>> Answer is anti-su (@@ only lightest) |
---|
| 1923 | else return -3101; // >>>>>>> Answer is anti-sd (@@ only lightest) |
---|
| 1924 | } |
---|
| 1925 | else if(AU) // --------- There is an anti-u quark |
---|
| 1926 | { |
---|
| 1927 | if (AU==2) return -2203; // >>>>>>> Answer is anti-uu (2201 does not exist) |
---|
| 1928 | else return -2101; // >>>>>>> Answer is anti-ud (@@ only lightest) |
---|
| 1929 | } |
---|
| 1930 | else return -1103; // >>>>>>> Answer is anti-dd (1101 does not exist) |
---|
| 1931 | } |
---|
| 1932 | } |
---|
| 1933 | } |
---|
| 1934 | else // Parton is Quark/antiQuark |
---|
| 1935 | { |
---|
| 1936 | if(pPDG>0) // -- Quark |
---|
| 1937 | { |
---|
| 1938 | #ifdef debug |
---|
| 1939 | G4cout<<"G4QContent::AddParton: Quark, A="<<AD<<","<<AU<<","<<AS<<",B="<<HBN<<G4endl; |
---|
| 1940 | #endif |
---|
| 1941 | if (aPDG==1) // ----> d quark |
---|
| 1942 | { |
---|
| 1943 | if(HBN<0 && AD) AD--; // ====> Annihilation of d-quark with anti-Baryon |
---|
| 1944 | else if(HBN || (!HBN && !AD)) return 0; |
---|
| 1945 | } |
---|
| 1946 | else if(aPDG==2) // ----> u quark |
---|
| 1947 | { |
---|
| 1948 | if(HBN<0 && AU) AU--; // ====> Annihilation of u-quark with anti-Baryon |
---|
| 1949 | else if(HBN || (!HBN && !AU)) return 0; |
---|
| 1950 | } |
---|
| 1951 | else // ----> s quark |
---|
| 1952 | { |
---|
| 1953 | if(HBN<0 && AS) AS--; // ====> Annihilation of s-quark with anti-Baryon |
---|
| 1954 | else if(HBN || (!HBN && !AS)) return 0; |
---|
| 1955 | } |
---|
| 1956 | #ifdef debug |
---|
| 1957 | G4cout<<"G4QContent::AddParton: Q, QC="<<QD<<","<<QU<<","<<QS<<","<<AD<<","<<AU<<"," |
---|
| 1958 | <<AS<<G4endl; |
---|
| 1959 | #endif |
---|
| 1960 | if (!HBN) // ....... Hadron is a Meson (passingThrougAbove) |
---|
| 1961 | { |
---|
| 1962 | if (QD) return 1; // >>>>>>> Answer is d |
---|
| 1963 | else if(QU) return 2; // >>>>>>> Answer is u |
---|
| 1964 | else return 3; // >>>>>>> Answer is s |
---|
| 1965 | } |
---|
| 1966 | else // ....... AntiBaryon with annihilated AntiQuark |
---|
| 1967 | { |
---|
| 1968 | if (AS) // --------- There is an anti-s quark |
---|
| 1969 | { |
---|
| 1970 | if (AS==2) return -3303; // >>>>>>> Answer is ss (3301 does not exist) |
---|
| 1971 | else if(AU) return -3201; // >>>>>>> Answer is su (@@ only lightest) |
---|
| 1972 | else return -3101; // >>>>>>> Answer is sd (@@ only lightest) |
---|
| 1973 | } |
---|
| 1974 | else if(AU) |
---|
| 1975 | { |
---|
| 1976 | if (AU==2) return -2203; // >>>>>>> Answer is uu (2201 does not exist) |
---|
| 1977 | else return -2101; // >>>>>>> Answer is ud (@@ only lightest) |
---|
| 1978 | } |
---|
| 1979 | else return -1103; // >>>>>>> Answer is dd (1101 does not exist) |
---|
| 1980 | } |
---|
| 1981 | } |
---|
| 1982 | else // -- antiQuark |
---|
| 1983 | { |
---|
| 1984 | #ifdef debug |
---|
| 1985 | G4cout<<"G4QContent::AddParton: antiQ, Q="<<QD<<","<<QU<<","<<QS<<",B="<<HBN<<G4endl; |
---|
| 1986 | #endif |
---|
| 1987 | if (aPDG==1) // ----> anti-d quark |
---|
| 1988 | { |
---|
| 1989 | if(HBN>0 && QD) QD--; // ====> Annihilation of anti-d-quark with Baryon |
---|
| 1990 | else if(HBN || (!HBN && !QD)) return 0; |
---|
| 1991 | } |
---|
| 1992 | else if(aPDG==2) // ----> anti-u quark |
---|
| 1993 | { |
---|
| 1994 | if(HBN>0 && QU) QU--; // ====> Annihilation of anti-u-quark with Baryon |
---|
| 1995 | else if(HBN || (!HBN && !QU)) return 0; |
---|
| 1996 | } |
---|
| 1997 | else // ----> anti-s quark |
---|
| 1998 | { |
---|
| 1999 | if(HBN>0 && QS) QS--; // ====> Annihilation of anti-s-quark with Baryon |
---|
| 2000 | else if(HBN || (!HBN && !QS)) return 0; |
---|
| 2001 | } |
---|
| 2002 | #ifdef debug |
---|
| 2003 | G4cout<<"G4QContent::AddParton: AQ, QC="<<QD<<","<<QU<<","<<QS<<","<<AD<<","<<AU<<"," |
---|
| 2004 | <<AS<<G4endl; |
---|
| 2005 | #endif |
---|
| 2006 | if (!HBN) // ....... Hadron is a Meson (passingThrougAbove) |
---|
| 2007 | { |
---|
| 2008 | if (AD) return -1; // >>>>>>> Answer is anti-d |
---|
| 2009 | else if(AU) return -2; // >>>>>>> Answer is anti-u |
---|
| 2010 | else return -3; // >>>>>>> Answer is anti-s |
---|
| 2011 | } |
---|
| 2012 | else // ....... Baryon with annihilated Quark |
---|
| 2013 | { |
---|
| 2014 | if (QS) // --------- There is an anti-s quark |
---|
| 2015 | { |
---|
| 2016 | if (QS==2) return 3303; // >>>>>>> Answer is ss (3301 does not exist) |
---|
| 2017 | else if(QU) return 3201; // >>>>>>> Answer is su (@@ only lightest) |
---|
| 2018 | else return 3101; // >>>>>>> Answer is sd (@@ only lightest) |
---|
| 2019 | } |
---|
| 2020 | else if(QU) |
---|
| 2021 | { |
---|
| 2022 | if (QU==2) return 2203; // >>>>>>> Answer is uu (2201 does not exist) |
---|
| 2023 | else return 2101; // >>>>>>> Answer is ud (@@ only lightest) |
---|
| 2024 | } |
---|
| 2025 | else return 1103; // >>>>>>> Answer is dd (1101 does not exist) |
---|
| 2026 | } |
---|
| 2027 | } |
---|
| 2028 | } |
---|
| 2029 | } |
---|