[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 | // 1 2 3 4 5 6 7 8 9 |
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| 27 | //34567890123456789012345678901234567890123456789012345678901234567890123456789012345678901 |
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| 28 | // |
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| 29 | // |
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[1055] | 30 | // $Id: G4QuasmonString.cc,v 1.8 2009/02/23 09:49:24 mkossov Exp $ |
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| 31 | // GEANT4 tag $Name: geant4-09-03-beta-cand-01 $ |
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[819] | 32 | // |
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| 33 | // ---------------- G4QuasmonString ---------------- |
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| 34 | // by Mikhail Kossov, August 2000. |
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| 35 | // class for Hadron-Hadron String Interaction used by the CHIPS Model |
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| 36 | // ------------------------------------------------------------------- |
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[1055] | 37 | // Short description: The Quark-Gluon String can fragment in hadrons |
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| 38 | // (QGS), small hadronic clusters (HERWIG) or in unlimited in mass |
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| 39 | // Quasmons, defined by the G4QPartonPair. This class is made to |
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| 40 | // simulate the string fragmentation in Quasmons, which hadronize in |
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| 41 | // vacuuum or in nuclear environment. |
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| 42 | // ------------------------------------------------------------------- |
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[819] | 43 | |
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| 44 | //#define chdebug |
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| 45 | //#define debug |
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| 46 | //#define sdebug |
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| 47 | //#define ppdebug |
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| 48 | //#define cdebug |
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| 49 | //#define cldebug |
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| 50 | //#define edebug |
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| 51 | //#define fdebug |
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| 52 | //#define pdebug |
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| 53 | //#define rdebug |
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| 54 | //#define ffdebug |
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| 55 | //#define pcdebug |
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| 56 | //#define mudebug |
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| 57 | |
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| 58 | #include "G4QuasmonString.hh" |
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| 59 | #include <cmath> |
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| 60 | using namespace std; |
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| 61 | |
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| 62 | |
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| 63 | G4QuasmonString::G4QuasmonString(G4QHadron projHadron, const G4bool projEnvFlag, |
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| 64 | const G4int targPDG, const G4bool targEnvFlag) : |
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| 65 | theProjEnvFlag(projEnvFlag), theTargEnvFlag(targEnvFlag), theWeight(1.) |
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| 66 | { |
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| 67 | //static const G4double mPi0 = G4QPDGCode(111).GetMass(); // Pi0 mass |
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| 68 | //static const G4double mPi0 = (1232.-938.272)/2; // between p&Delta (147.365) shift |
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| 69 | static const G4double mPi0 = sqrt((1232.*1232+938.272*938.272)/2)-938.272; // Pi0 mass |
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| 70 | //static const G4double mPi0 = 170.; // Pi0 mass |
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| 71 | static const G4double FreeFra = 1.; // @@ Free fraction for n-n scattering |
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| 72 | static const G4double interc = -1.; // @@ Pomeron intercept |
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| 73 | //static const G4double Temperature = 180.; // Temperature as a parameter |
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| 74 | //static const G4double Temp2 = Temperature*Temperature; // Squared Temperature |
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| 75 | static G4Quasmon classG4Quasmon(G4QContent(1,2,0,0,0,0)); |
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| 76 | //static const G4QPDGCode pimQPDG(-211); |
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| 77 | theWorld= G4QCHIPSWorld::Get(); // Get a pointer to the CHIPS World |
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| 78 | #ifdef debug |
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[1055] | 79 | G4cout<<"-->G4QuasStr::Constr:pPDG="<<projHadron.GetPDGCode()<<",tPDG="<<targPDG<<G4endl; |
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[819] | 80 | #endif |
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| 81 | // Target initialization |
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| 82 | G4QPDGCode targQPDG(targPDG); |
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| 83 | totBaryNum= targQPDG.GetBaryNum(); // Prototype |
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| 84 | totCharge = targQPDG.GetCharge(); // Prototype |
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| 85 | theTargQC = targQPDG.GetQuarkContent(); |
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| 86 | G4double tM = targQPDG.GetMass(); |
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| 87 | theTarg4Mom = G4LorentzVector(0.,0.,0.,tM); |
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| 88 | G4QHadron targHadron(targQPDG,theTarg4Mom); // Target Hadron |
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| 89 | |
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| 90 | // Projectile initialization |
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| 91 | theProj4Mom = projHadron.Get4Momentum(); |
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[1055] | 92 | G4ThreeVector projBoost = theProj4Mom.boostVector(); // Projectile BoostVector to LS |
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[819] | 93 | G4ThreeVector projRBoost= -projBoost; // Projevtile Boost vector to projectile CMS |
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| 94 | G4QPDGCode projQPDG(projHadron.GetPDGCode()); |
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| 95 | theProjQC = projQPDG.GetQuarkContent(); |
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| 96 | totBaryNum+= projQPDG.GetBaryNum(); // Final control value |
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| 97 | totCharge += projQPDG.GetCharge(); // Final control value |
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| 98 | tot4Mom = theProj4Mom+theTarg4Mom; // Final control value |
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| 99 | |
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| 100 | G4double projM = projQPDG.GetMass(); |
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| 101 | G4double projM2 = projM*projM; |
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| 102 | G4double pM2 = theProj4Mom.m2(); |
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| 103 | G4double tM2 = tM*tM; |
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| 104 | G4double dM2 = fabs(pM2-projM2); |
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[1055] | 105 | if(dM2>1.) G4cout<<"-Wor-G4QuStr::Cons:dM2="<<dM2<<",M2="<<projM2<<",LVM2="<<pM2<<G4endl; |
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[819] | 106 | G4double pM=sqrt(pM2); // @@ do we need pM ? @@ (in print) |
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| 107 | |
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| 108 | // === Print out of the input information at Creation time & tot 4-mom Calculation ====== |
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| 109 | #ifdef pdebug |
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[1055] | 110 | G4cout<<"G4QuaString::Cons:PQC="<<theProjQC<<",TQC="<<theTargQC<<",P4Mom="<<theProj4Mom<< |
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| 111 | theProj4Mom.m2()<<theProj4Mom.m()<<G4endl; |
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| 112 | G4cout<<"G4QuaString::C: tC="<<totCharge<<",tB="<<totBaryNum<<",tot4M="<<tot4Mom<<G4endl; |
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[819] | 113 | #endif |
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| 114 | //G4int nP=theWorld->GetQPEntries(); // A#of init'ed particles in CHIPS World (@@?) |
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| 115 | //G4int nCl=nP-90; // A#of init'ed clusters in CHIPS World (@@?) |
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[1055] | 116 | //#ifdef pdebug |
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[819] | 117 | //G4cout<<"G4QS:Const:Before QEX:n="<<nP<<G4endl; |
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[1055] | 118 | //#endif |
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[819] | 119 | // @@@@@@ ===> Here the Quark Exchange Quasmon Creation must be added <=== @@@@@@ |
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| 120 | // @@ --- old --- |
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| 121 | //G4int nQTarg=theTargQC.GetTot(); // a#of Quark-partons in the Target |
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| 122 | //G4int nQProj=theProjQC.GetTot(); // a#of Quark-partons in the Progectile |
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| 123 | // @@ --- new --- |
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| 124 | G4LorentzVector tSum=theProj4Mom+theTarg4Mom; |
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| 125 | G4double sumM=tM+pM; |
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| 126 | G4double dn=2.17*(tSum.m2()/sumM/sumM-1.); // additional partons (gluons) - real |
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| 127 | G4int np=static_cast<int>(dn); // additional partons (gluons) - basic int |
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| 128 | if(G4UniformRand()>1.-dn+np) np++; // randomized int additional partons(gluons) |
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| 129 | G4int nQTarg=theTargQC.GetTot()+np; // a#of Quark-partons in the Target |
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| 130 | G4int nQProj=theProjQC.GetTot()+np; // a#of Quark-partons in the Progectile |
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| 131 | // @@ --- new --- |
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| 132 | //G4int mQTarg=theTargQC.GetTot(); // a#of Quark-partons in the Target |
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| 133 | //G4int mQProj=theProjQC.GetTot(); // a#of Quark-partons in the Progectile |
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| 134 | ////G4double tothM=tot4Mom.m()/2.; // C.M. mass of the protons |
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| 135 | ////G4int nQCM=classG4Quasmon.CalculateNumberOfQPartons(tothM); |
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| 136 | //G4double tothM2=tot4Mom.m2()/4.; // C.M. mass of the protons |
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| 137 | //G4int nQCM=static_cast<int>((1.+sqrt(tothM2/Temp2+1.))/2.); |
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| 138 | //G4int nQTarg=nQCM; // a#of Quark-partons in the Target |
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| 139 | //if(nQTarg<mQTarg) nQTarg=mQTarg; |
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| 140 | //G4int nQProj=nQCM; // a#of Quark-partons in the Progectile |
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| 141 | //if(nQProj<mQProj) nQProj=mQProj; |
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| 142 | // @@ --- end --- |
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| 143 | #ifdef pdebug |
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[1055] | 144 | G4cout<<"G4QuasmonString::Constr: nP="<<nQProj<<", nT="<<nQTarg<<G4endl; |
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[819] | 145 | #endif |
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| 146 | // @@ Now projectile can be only meson or baryon @@ -- @@ Improve for clusters @@ -- |
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| 147 | G4LorentzVector pq4Mom(0.,0.,0.,0.); // Prototype of LV of quark of progectile |
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| 148 | G4double rPMass=0.; // Prototype of the residProjMass (Meson case) |
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| 149 | G4bool FreeFraF=false; // Prototype of the free exchange Flag |
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| 150 | if(G4UniformRand()<FreeFra) FreeFraF=true; // Confirm the free exchange |
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[1055] | 151 | if(nQProj<2) G4cout<<"***G4QuaStr::Con: nQProj="<<nQProj<<"<2 ***FatalError***"<<G4endl; |
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| 152 | else if(nQProj>2) // ---> Baryon case (clusters are not implem.) |
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| 153 | { |
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[819] | 154 | //if(nQProj>3)G4cout<<"-Wor-G4QS::Const:nQProj="<<nQProj<<">3 is not implem'd"<<G4endl; |
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| 155 | G4double xP=0.; |
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| 156 | if(FreeFraF) xP=RandomizeMomFractionFree(nQProj); |
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| 157 | else |
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| 158 | { |
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| 159 | xP=RandomizeMomFractionString(nQProj); |
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| 160 | theWeight*=pow(xP,interc); |
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[1055] | 161 | G4cout<<"************G4QuasmonString::Constr: string xP="<<xP<<G4endl; |
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[819] | 162 | } |
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| 163 | rPMass = sqrt(pM2*(1.-xP)); // Residual Projectile mass |
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| 164 | #ifdef pdebug |
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| 165 | G4cout<<"G4QS::C: nQProj="<<nQProj<<", xProj="<<xP<<", rPMass="<<rPMass<<G4endl; |
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| 166 | #endif |
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| 167 | } |
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| 168 | G4LorentzVector pr4Mom(0.,0.,0.,rPMass); // Prototype of LV of the residual projectile |
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| 169 | G4bool projFl=false; |
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| 170 | G4bool targFl=false; |
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| 171 | G4bool tmpBl=projHadron.DecayIn2(pq4Mom,pr4Mom); |
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| 172 | if(tmpBl) projFl=true; // Proj decay is OK |
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| 173 | //if(projHadron.DecayIn2(pq4Mom,pr4Mom)) projFl=true; |
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[1055] | 174 | else G4cout<<"**Warning**G4QuasmonString::C:ProjDecIn2 rpM="<<rPMass<<",pM="<<pM<<G4endl; |
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[819] | 175 | #ifdef pdebug |
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[1055] | 176 | G4cout<<"G4QuaStr::C:"<<projFl<<" split PROJ in R4M="<<pr4Mom<<" & Q4M="<<pq4Mom<<G4endl; |
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[819] | 177 | #endif |
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| 178 | G4LorentzVector tq4Mom(0.,0.,0.,0.); // Prototype of LV of quark of the target |
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| 179 | //if(nQTarg<3)G4cout<<"***G4QStr::Const: nQTarg="<<nQTarg<<"<3 ***FatalError***"<<G4endl; |
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| 180 | //if(nQTarg>3)G4cout<<"-W-G4QS::Const: nQTarg="<<nQTarg<<">3 is not implemented"<<G4endl; |
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| 181 | G4double xT=0.; |
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| 182 | if(FreeFraF) xT=RandomizeMomFractionFree(nQTarg); |
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| 183 | else |
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| 184 | { |
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| 185 | xT=RandomizeMomFractionString(nQTarg); |
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| 186 | theWeight*=pow(xT,interc); |
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[1055] | 187 | G4cout<<"************G4QuaString::Constr: string xT="<<xT<<G4endl; |
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[819] | 188 | } |
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| 189 | G4double rTMass = sqrt(tM2*(1.-xT)); // Residual Target mass |
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| 190 | #ifdef pdebug |
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[1055] | 191 | G4cout<<"G4QuaString::C: nQTarg="<<nQTarg<<", xProj="<<xT<<", rTMass="<<rTMass<<G4endl; |
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[819] | 192 | #endif |
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| 193 | G4LorentzVector tr4Mom(0.,0.,0.,rTMass); // Prototype of LV of the residual projectile |
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| 194 | if(targHadron.DecayIn2(tq4Mom,tr4Mom)) targFl=true; // Targ decay is OK |
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[1055] | 195 | else G4cout<<"**Worning**G4QuaStr::Constr:TargDecIn2 rtM="<<rTMass<<", tM="<<tM<<G4endl; |
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[819] | 196 | #ifdef pdebug |
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[1055] | 197 | G4cout<<"G4QuaStr::C:"<<targFl<<" split TARG in R4M="<<tr4Mom<<" & Q4M="<<tq4Mom<<G4endl; |
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[819] | 198 | #endif |
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| 199 | G4bool elasFl=false; // ByDefault avoid the elastic scattering |
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| 200 | if (targFl && projFl) // --- @@ Now only for pp case @@ --- |
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| 201 | { |
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| 202 | G4LorentzVector newProj4M=pr4Mom+tq4Mom; |
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| 203 | G4double nPM2=newProj4M.m2(); |
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| 204 | G4double npM=sqrt(nPM2); |
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| 205 | G4bool pcorFl=false; // ByDefault no MassSh correction for newProj. |
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| 206 | // @@ Just to try ---- Start |
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| 207 | //G4LorentzVector newTarg4M=tr4Mom+pq4Mom; |
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| 208 | //G4double nTM2=newTarg4M.m2(); |
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| 209 | //G4double ntM=sqrt(nTM2); |
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| 210 | #ifdef pdebug |
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| 211 | //G4cout<<"G4QStr::C:ntM="<<ntM<<" <? tM="<<tM<<"+mPi0="<<mPi0<<" = "<<tM+mPi0<<G4endl; |
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| 212 | #endif |
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| 213 | //if(ntM<tM+mPi0 && npM<pM+mPi0) elasFl=true; // Target&Project are underMinMass => El |
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| 214 | // @@ Just to try ---- End |
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| 215 | #ifdef pdebug |
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[1055] | 216 | G4cout<<"G4QuaStr::C:npM="<<npM<<" <? pM="<<pM<<"+mPi0="<<mPi0<<" = "<<pM+mPi0<<G4endl; |
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[819] | 217 | #endif |
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| 218 | if(npM<pM+mPi0) // The projectile is under min mass (@@ In Future put other cut @@) |
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| 219 | { |
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| 220 | G4double valk=tq4Mom.e(); // Momentum of the target quark |
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[1055] | 221 | //#ifdef pdebug |
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[819] | 222 | G4double dvalk=valk-tq4Mom.rho(); |
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[1055] | 223 | if(fabs(dvalk)>.00001) G4cout<<"**kp**G4QuaStr::C:vk="<<valk<<",dvk="<<dvalk<<G4endl; |
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| 224 | //#endif |
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[819] | 225 | G4double dmas=pM2-pr4Mom.m2(); // Difference of squared masses |
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| 226 | G4double vale=pr4Mom.e(); |
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| 227 | G4ThreeVector pr=pr4Mom.v(); |
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| 228 | G4double valp=pr.mag(); |
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| 229 | G4ThreeVector upr=pr/valp; // Unit vector in the pr direction |
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| 230 | G4double cost=-(dmas/(valk+valk)-vale)/valp; // Initial cos(theta) |
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| 231 | if(fabs(cost)>1.) |
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| 232 | { |
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| 233 | #ifdef pdebug |
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[1055] | 234 | G4cout<<"***p***>>>G4QuasmonString::Constr: cost="<<cost<<G4endl; |
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[819] | 235 | #endif |
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| 236 | // Get max value of |cos(theta)| and change tq value to get the pM on mass shell |
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| 237 | if(cost>0.) // --->>> cost>0. |
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| 238 | { |
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| 239 | valk=dmas/(vale-valp)/2; // Momentum is too big (must be reduced) |
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| 240 | G4ThreeVector tqf=upr*valk; // final targetQuark 3-vector |
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| 241 | tq4Mom.set(valk,tqf); // Fill new 4-mom for targetQuark |
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| 242 | tr4Mom.set(tM-valk,-tqf); // Fill new 4-mom for targetResidual |
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| 243 | newProj4M=tq4Mom+pr4Mom; // Final Projectile 4-mom in LS |
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| 244 | } |
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| 245 | else // --->>> cost<0. |
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[1055] | 246 | { |
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[819] | 247 | G4double hvalk=dmas/(vale+valp); // Momentum's too small (must be increased, LIM) |
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| 248 | if(hvalk>tM) // Momentum can not be increased to this value |
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| 249 | { |
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| 250 | #ifdef pdebug |
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[1055] | 251 | G4cout<<"**p-Cor**>G4QuaStr::C: hvalk="<<hvalk<<" > tM="<<tM<<", dm="<<dmas |
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| 252 | <<", e="<<vale<<", p="<<valp<<", ct="<<cost<<G4endl; |
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[819] | 253 | #endif |
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| 254 | // Put the scatteredProjectile on the massShell, and rescatter the target quark |
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| 255 | G4LorentzVector tmpProj4M=newProj4M+pq4Mom; // TempCriticalCompound for Project |
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| 256 | newProj4M=G4LorentzVector(0.,0.,0.,pM); // New Project is on the mass shell |
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| 257 | G4QHadron tmpHadron(tmpProj4M); // Create a Hadron for decay |
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| 258 | pq4Mom=G4LorentzVector(0.,0.,0.,0.); // NewProjParton on lightMassShell |
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| 259 | tmpBl=tmpHadron.DecayIn2(newProj4M,pq4Mom); // Decay the Compound in newProg+pQ |
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[1055] | 260 | if(!tmpBl) |
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| 261 | G4cout<<"G4QuaStr::Con: DecIn2 err "<<sqrt(tmpProj4M.m2())<<"<"<<pM<<G4endl; |
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[819] | 262 | } |
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| 263 | else |
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[1055] | 264 | { |
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[819] | 265 | #ifdef pdebug |
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[1055] | 266 | G4cout<<"***---***>G4QuasmonStr::Constr: hvalk="<<hvalk<<" < tM="<<tM<<G4endl; |
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[819] | 267 | #endif |
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| 268 | valk=hvalk/2; // Momentum is too small (must be reduced) |
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| 269 | G4ThreeVector tqf=upr*(-valk); // Final targetQuark 3-vector |
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| 270 | tq4Mom.set(valk,tqf); // Fill new 4-mom for targetQuark |
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| 271 | tr4Mom.set(tM-valk,-tqf); // Fill new 4-mom for targetResidual |
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| 272 | newProj4M=tq4Mom+pr4Mom; |
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| 273 | } |
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| 274 | } |
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[1055] | 275 | if(fabs(newProj4M.m()-pM)>.0001) |
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| 276 | G4cout<<"*G4QuaString::Constr: Change of mass "<<newProj4M.m()<<"#"<<pM<<G4endl; |
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[819] | 277 | } |
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| 278 | else |
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| 279 | { |
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| 280 | // Turn the target quark-parton to the projectile residual in LS = CMSofTheTarget |
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| 281 | #ifdef pdebug |
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[1055] | 282 | G4cout<<"---p--->>>G4QuasmonString::Constr: cost="<<cost<<G4endl; |
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[819] | 283 | #endif |
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| 284 | G4ThreeVector tq=tq4Mom.v(); // 3-mom of the targetQ (LS) |
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| 285 | G4double tqlp=upr.dot(tq); // Projection of tq on the projectile |
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| 286 | G4ThreeVector tql=upr*tqlp; // tq part along pr |
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| 287 | G4ThreeVector tqt=tq-tql; // tq part perpendicular to pr |
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| 288 | G4double cosi=tqlp/valk; // Initial cos(theta) |
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| 289 | G4ThreeVector tqlf=tql*(cost/cosi); // final tq part along pr |
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| 290 | G4double sini=sqrt(1.-cosi*cosi); // Initial sin(theta) |
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| 291 | G4double sint=sqrt(1.-cost*cost); // Desired sin(theta) |
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| 292 | G4ThreeVector tqpf=tqt*(sint/sini); // final tq part perpendicular pr |
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| 293 | G4ThreeVector tqf=tqlf+tqpf; // final tq |
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| 294 | tq4Mom.setV(tqf); // Change the momentum direction of targetQ |
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| 295 | tr4Mom.setV(-tqf); // Change the momentum direction of targetR |
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[1055] | 296 | if(fabs(tqf.mag()-valk)>.0001) |
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| 297 | G4cout<<"*G4QuasmonString::Constr: |k|="<<tqf.mag()<<" # "<<valk<<G4endl; |
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[819] | 298 | newProj4M=tq4Mom+pr4Mom; |
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[1055] | 299 | if(fabs(newProj4M.m()-pM)>.001) |
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| 300 | G4cout<<"*G4QuasmonString::Constr: M="<<newProj4M.m()<<" # "<<pM<<G4endl; |
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[819] | 301 | } |
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| 302 | #ifdef pdebug |
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[1055] | 303 | G4cout<<"G4QuaStr::C: Proj under GS, newP4M="<<newProj4M<<", pq4M="<<pq4Mom<<G4endl; |
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[819] | 304 | #endif |
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| 305 | pcorFl=true; // Projectile is on the GS mass shell |
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| 306 | } |
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| 307 | G4bool tcorFl=false; // ByDefault no MassSh correction for newTarg. |
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| 308 | G4LorentzVector newTarg4M=tr4Mom+pq4Mom; |
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| 309 | G4double nTM2=newTarg4M.m2(); |
---|
| 310 | G4double ntM=sqrt(nTM2); |
---|
| 311 | //newTarg4M=tr4Mom+pq4Mom; |
---|
| 312 | //nTM2=newTarg4M.m2(); |
---|
| 313 | //ntM=sqrt(nTM2); |
---|
| 314 | #ifdef pdebug |
---|
[1055] | 315 | G4cout<<"G4QuaStr::C:ntM="<<ntM<<" <? tM="<<tM<<"+mPi0="<<mPi0<<" = "<<tM+mPi0<<G4endl; |
---|
[819] | 316 | #endif |
---|
| 317 | if(ntM<tM+mPi0 && !pcorFl) // The target is under min mass (@@ InFut put another cut@@) |
---|
| 318 | { |
---|
| 319 | // Turn the projectile quark-parton to the target rsidual in CMS of the Projectile |
---|
| 320 | G4LorentzVector pqc4M=pq4Mom; // projectileQuark => projCM system <step1> |
---|
| 321 | pqc4M.boost(projRBoost); // projectileQuark => projCM system <step2> |
---|
| 322 | G4double valk=pqc4M.e(); // Momentum of the target quark in projCM |
---|
[1055] | 323 | //#ifdef pdebug |
---|
[819] | 324 | G4double dvalk=valk-pqc4M.rho(); |
---|
[1055] | 325 | if(fabs(dvalk)>.00001) G4cout<<"***kt***G4QuaS::C:vk="<<valk<<",dvk="<<dvalk<<G4endl; |
---|
| 326 | //#endif |
---|
[819] | 327 | G4double dmas=tM2-tr4Mom.m2(); // Difference of squared masses (targ - targRes) |
---|
| 328 | G4LorentzVector trc4M=tr4Mom; // targetResidual => projCM system <step1> |
---|
| 329 | trc4M.boost(projRBoost); // targetResidual => projCM system <step2> |
---|
| 330 | G4double vale=trc4M.e(); // Energy of the targetResidual in projCM |
---|
| 331 | G4ThreeVector tr=trc4M.v(); // 3-mom of the targetResidual in projCM |
---|
| 332 | G4double valp=tr.mag(); // momentum of the targetResidual in projCM |
---|
[1055] | 333 | if(fabs(dmas-tM2+trc4M.m2())>.1) G4cout<<"**t**G4QuaStr::C: trM2="<<tr4Mom.m2()<<"=" |
---|
[819] | 334 | <<trc4M.m2()<<","<<vale*vale-valp*valp<<G4endl; |
---|
| 335 | G4ThreeVector utr=tr/valp; // Unit vector in the tr direction in projCM |
---|
| 336 | G4double cost=-(dmas/(valk+valk)-vale)/valp; // Initial cos(theta) |
---|
| 337 | if(fabs(cost)>1.) |
---|
| 338 | { |
---|
| 339 | #ifdef pdebug |
---|
[1055] | 340 | G4cout<<"***t***>>>G4QuasmonString::Constr: cost="<<cost<<G4endl; |
---|
[819] | 341 | #endif |
---|
| 342 | // Get max value of |cos(theta)| and change pq value to get the tM on mass shell |
---|
| 343 | if(cost>0.) // --->>> cost>0. |
---|
| 344 | { |
---|
| 345 | valk=dmas/(vale-valp)/2; // Momentum is too big (must be reduced) |
---|
| 346 | G4ThreeVector pqf=utr*valk; // final projectileQuark 3-vector |
---|
| 347 | G4LorentzVector pqc4M(valk,pqf); // Fill new 4-mom for projectileQuark in CM |
---|
| 348 | pq4Mom=pqc4M; // <step1> // Fill new 4-mom for projectileQuark in LS |
---|
| 349 | pq4Mom.boost(projBoost); // <step2> // Fill new 4-mom for projectileQuark in LS |
---|
| 350 | G4LorentzVector prc4M(pM-valk,-pqf); // Fill new 4-mom for projectResidual in CM |
---|
| 351 | pr4Mom=prc4M; // <step1> // Fill new 4-mom for projectResidual in LS |
---|
| 352 | pr4Mom.boost(projBoost); // <step2> // Fill new 4-mom for projectResidual in LS |
---|
| 353 | newTarg4M=pq4Mom+tr4Mom; // Final Target 4-mom in LS |
---|
| 354 | } |
---|
| 355 | else // --->>> cost<-1 => cost=-1 |
---|
[1055] | 356 | { |
---|
[819] | 357 | G4double hvalk=dmas/(vale+valp); // Momentum's too small (must be increased, LIM) |
---|
| 358 | if(hvalk>pM) // Momentum can not be increased to this value |
---|
| 359 | { |
---|
| 360 | #ifdef pdebug |
---|
[1055] | 361 | G4cout<<"**t-Cor**>G4QuasmonString::C: hvalk="<<hvalk<<" > pM="<<pM<<", dm=" |
---|
| 362 | <<dmas<<", e="<<vale<<", p="<<valp<<", ct="<<cost<<G4endl; |
---|
[819] | 363 | #endif |
---|
| 364 | // Put the scatteredProjectile on the massShell, rescatter the targetQuark (LS) |
---|
| 365 | G4LorentzVector tmpTarg4M=newTarg4M+tq4Mom; // TempCriticalCompound for Target |
---|
| 366 | newTarg4M=G4LorentzVector(0.,0.,0.,tM); // New Target is on the mass shell |
---|
| 367 | G4QHadron tmpHadron(tmpTarg4M); // Create a CompHadron for decay |
---|
| 368 | tq4Mom=G4LorentzVector(0.,0.,0.,0.); // NewTargParton on lightMassShell |
---|
| 369 | tmpBl=tmpHadron.DecayIn2(newTarg4M,tq4Mom); // Decay the Compound in newTarg+tQ |
---|
[1055] | 370 | if(!tmpBl) |
---|
| 371 | G4cout<<"G4QuaString::C: DecIn2-err "<<sqrt(tmpTarg4M.m2())<<"<"<<tM<<G4endl; |
---|
[819] | 372 | } |
---|
| 373 | else |
---|
[1055] | 374 | { |
---|
[819] | 375 | #ifdef pdebug |
---|
[1055] | 376 | G4cout<<"***---***>G4QuaString::Constr: hvalk="<<hvalk<<" < pM="<<pM<<G4endl; |
---|
[819] | 377 | #endif |
---|
| 378 | valk=hvalk/2; // Momentum is too small (mustBeIncreased) |
---|
| 379 | G4ThreeVector pqf=utr*(-valk); // Final projectileQuark 3-vector in CM |
---|
| 380 | G4LorentzVector pqc4M(valk,pqf); // Fill new 4-mom for projectQuark in CM |
---|
| 381 | pq4Mom=pqc4M; // <step1> // Fill new 4-mom for projectQuark in LS |
---|
| 382 | pq4Mom.boost(projBoost); // <step1> // Fill new 4-mom for projectQuark in LS |
---|
| 383 | G4LorentzVector nTc4M=pqc4M+trc4M; |
---|
| 384 | #ifdef pdebug |
---|
[1055] | 385 | G4cout<<"G4QuasmonString::Constr:After Boost="<<projBoost<<G4endl; |
---|
| 386 | G4cout<<"G4QuS::C:Aft:q="<<pqc4M<<pqc4M.m2()<<",t="<<nTc4M<<nTc4M.m2()<<G4endl; |
---|
| 387 | G4cout<<"G4QuaStr::C:E="<<nTc4M.e()<<" = q="<<pqc4M.e()<<"="<<valk<<" + r="<< |
---|
| 388 | trc4M.e()<<"="<<vale<<" = "<<pqc4M.e()+trc4M.e()<<",c="<<pq4Mom<<G4endl; |
---|
| 389 | if(fabs(nTc4M.m()-tM)>.0001) G4cout<<"*G4QuS::C:"<<nTc4M.m()<<"!="<<tM<<G4endl; |
---|
[819] | 390 | G4double pp=pqf.dot(tr); // trc3M*pqc=-valk*valp |
---|
| 391 | G4double ee=vale*valk; |
---|
| 392 | G4cout<<"G4QS::C:tM2="<<tM2<<"="<<tM*tM<<",pp="<<pp*2<<"="<<-valk*valp*2<<",d=" |
---|
| 393 | <<ee-pp<<"="<<dmas<<"="<<(tM2-trc4M.m2())<<",u="<<utr.dot(utr)<<G4endl; |
---|
| 394 | G4double sen=nTc4M.e(); |
---|
| 395 | G4double smo=nTc4M.rho(); |
---|
[1055] | 396 | G4cout<<"G4QuaStr::C: qM2="<<pqc4M.m2()<<",rM2="<<trc4M.m2()<<",E="<<sen<<"="<< |
---|
| 397 | vale+valk<<", P="<<smo<<"="<<valp-valk<<",M="<<sqrt(sen*sen-smo*smo)<<G4endl; |
---|
[819] | 398 | #endif |
---|
| 399 | G4LorentzVector prc4M(pM-valk,-pqf); // Fill new 4-mom for projectResid in CM |
---|
| 400 | pr4Mom=prc4M; // <step1> // Fill new 4-mom for projectResid in LS |
---|
| 401 | pr4Mom.boost(projBoost); // <step2> // Fill new 4-mom for projectResid in LS |
---|
| 402 | newTarg4M=pq4Mom+tr4Mom; |
---|
| 403 | } |
---|
| 404 | } |
---|
| 405 | if(fabs(newTarg4M.m()-tM)>.0001) |
---|
[1055] | 406 | G4cout<<"****************G4QuasmonString::C: M="<<newTarg4M.m()<<"="<<pM<<G4endl; |
---|
[819] | 407 | } |
---|
| 408 | else // -1<cos(theta)<1 - only rotate the projQ |
---|
| 409 | { |
---|
| 410 | // Turn the projectile quark-parton to the target residual in CMS of the Projectile |
---|
| 411 | #ifdef pdebug |
---|
[1055] | 412 | G4cout<<"---t--->>>G4QuasmonString::Constr: cost="<<cost<<G4endl; |
---|
[819] | 413 | #endif |
---|
| 414 | G4LorentzVector prc4M=pr4Mom; // projectileQuark => projCM system <step1> |
---|
| 415 | prc4M.boost(projRBoost); // projectileQuark => projCM system <step2> |
---|
| 416 | G4ThreeVector pq=pqc4M.v(); // 3-vector of the projQ in projCM |
---|
| 417 | G4double pqlp=utr.dot(pq); // Projection of pq on the target in projCM |
---|
| 418 | G4ThreeVector pql=utr*pqlp; // pq part along pr |
---|
| 419 | G4ThreeVector pqt=pq-pql; // pq part perpendicular to tr in projCM |
---|
| 420 | G4double cosi=pqlp/valk; // Initial cos(theta) |
---|
| 421 | G4ThreeVector pqlf=pql*(cost/cosi); // final pq part along tr |
---|
| 422 | G4double sini=sqrt(1.-cosi*cosi); // Initial sin(theta) |
---|
| 423 | G4double sint=sqrt(1.-cost*cost); // Desired sin(theta) |
---|
| 424 | G4ThreeVector pqpf=pqt*(sint/sini); // final pq part perpendicular tr |
---|
| 425 | G4ThreeVector pqf=pqlf+pqpf; // final pq |
---|
| 426 | pqc4M.setV(pqf); // Change the momentumDirection of projQ(CM) |
---|
| 427 | pq4Mom=pqc4M; // Fill new 4-mom for projQuark in LS<step1> |
---|
| 428 | pq4Mom.boost(projBoost); // Fill new 4-mom for projQuark in LS<step2> |
---|
| 429 | prc4M.setV(-pqf); // Change the momentumDirection of projR(CM) |
---|
| 430 | #ifdef pdebug |
---|
| 431 | G4LorentzVector nT4M=pqc4M+trc4M; |
---|
[1055] | 432 | if(fabs(nT4M.m()-tM)>.001)G4cout<<"**t**G4QuaStr::C:M="<<nT4M.m()<<"="<<tM<<G4endl; |
---|
[819] | 433 | #endif |
---|
| 434 | pr4Mom=prc4M; // <step1> // Fill new 4-mom for projResidual in LS |
---|
| 435 | pr4Mom.boost(projBoost); // <step2> // Fill new 4-mom for projResidual in LS |
---|
[1055] | 436 | if(fabs(pqf.mag()-valk)>.0001) |
---|
| 437 | G4cout<<"*G4QuasmonString::Constr: |k|="<<pqf.mag()<<"="<<valk<<G4endl; |
---|
[819] | 438 | newTarg4M=pq4Mom+tr4Mom; |
---|
[1055] | 439 | if(fabs(newTarg4M.m()-tM)>.001) |
---|
| 440 | G4cout<<"*G4QuasmonString::Constr: M="<<newTarg4M.m()<<"="<<tM<<G4endl; |
---|
[819] | 441 | } |
---|
| 442 | #ifdef pdebug |
---|
[1055] | 443 | G4cout<<"*G4QuaStr::C: Targ under GS, newT4M="<<newTarg4M<<", tq4M="<<tq4Mom<<G4endl; |
---|
[819] | 444 | #endif |
---|
| 445 | tcorFl=true; // Target is on the GS mass shell |
---|
| 446 | newProj4M=pr4Mom+tq4Mom; // Recalculate the Projectile (!) |
---|
| 447 | nPM2=newProj4M.m2(); |
---|
| 448 | npM=sqrt(nPM2); |
---|
| 449 | #ifdef pdebug |
---|
[1055] | 450 | G4cout<<"G4QuaStr::C:npM="<<npM<<" <? pM="<<pM<<"+mPi0="<<mPi0<<"="<<pM+mPi0<<G4endl; |
---|
[819] | 451 | #endif |
---|
| 452 | if(npM<pM+mPi0) elasFl=true; // Force elastic scattering (@@InFut putAnotherCut@@) |
---|
| 453 | } |
---|
| 454 | else if(ntM<tM+mPi0) elasFl=true; // Force elastScattering (@@InFut put another cut@@) |
---|
| 455 | if(elasFl) // Ellastic scattering happened |
---|
| 456 | { |
---|
| 457 | // **** Put the hadrons on the mass shell conserving the CMS scattering angle **** |
---|
| 458 | G4LorentzVector theTot4M=theProj4Mom+theTarg4Mom;// 4-momentum of CMS of "targ+proj" |
---|
[1055] | 459 | G4ThreeVector cmsBoost = theTot4M.boostVector(); // CMS Boost Vector "CMS to LS" |
---|
[819] | 460 | G4ThreeVector cmsRBoost= -cmsBoost; // CMS Boost Vector "LS to CMS" |
---|
| 461 | G4LorentzVector cmsProj4M=theProj4Mom; // LS projectile => CMS <step1> |
---|
| 462 | cmsProj4M.boost(cmsRBoost); // LS projectile => CMS <step2> |
---|
| 463 | G4LorentzVector cmsTarg4M=theTarg4Mom; // LS target => CMS <step1> |
---|
| 464 | cmsTarg4M.boost(cmsRBoost); // LS target => CMS <step2> |
---|
| 465 | G4double pcm=cmsProj4M.rho(); // CMS momentum for the elastic scattering |
---|
| 466 | //#ifdef pdebug |
---|
| 467 | if(fabs(cmsTarg4M.rho()-pcm) > 0.0001) |
---|
| 468 | G4cout<<"-Worning-G4QuasmonString::Constr: P="<<cmsTarg4M.rho()<<"#"<<pcm<<G4endl; |
---|
[1055] | 469 | //#endif |
---|
[819] | 470 | G4LorentzVector cmsNewPr4M=newProj4M; // LS finalProj => CMS <step1> |
---|
| 471 | cmsNewPr4M.boost(cmsRBoost); // LS finalProj => CMS <step2> |
---|
| 472 | G4ThreeVector puV=cmsNewPr4M.v()/cmsNewPr4M.rho(); // Direction of the projectile |
---|
| 473 | //#ifdef pdebug |
---|
| 474 | G4LorentzVector cmsNewTg4M=newTarg4M; // LS finalTarg => CMS <step1> @@ TMP |
---|
| 475 | cmsNewTg4M.boost(cmsRBoost); // LS finalTarg => CMS <step2> @@ TMP |
---|
| 476 | G4ThreeVector tuV=cmsNewTg4M.v()/cmsNewTg4M.rho(); // Direction of the projectile |
---|
| 477 | if(1.+puV.dot(tuV) > 0.001) |
---|
| 478 | G4cout<<"-Worning-G4QuasmonString::Constr: ct="<<puV.dot(tuV)<<G4endl; |
---|
[1055] | 479 | //#endif |
---|
[819] | 480 | cmsProj4M.setV(puV*pcm); |
---|
| 481 | newProj4M=cmsProj4M; |
---|
| 482 | newProj4M.boost(cmsBoost); // CMS FinalProjectile => LS <step2> |
---|
| 483 | G4QHadron* projH = new G4QHadron(projHadron); // Prototype of the Projectile Hadron |
---|
| 484 | projH->Set4Momentum(newProj4M); |
---|
| 485 | theQHadrons.push_back(projH); // Fill theProjectileHadron(delete equivalent) |
---|
| 486 | #ifdef pdebug |
---|
| 487 | G4cout<<"G4QuasmonString::Constr: Fill ElastProjH="<<projQPDG<<newProj4M<<G4endl; |
---|
| 488 | #endif |
---|
| 489 | cmsTarg4M.setV(puV*(-pcm)); |
---|
| 490 | newTarg4M=cmsTarg4M; |
---|
| 491 | newTarg4M.boost(cmsBoost); // CMS FinalTarget => LS <step2> |
---|
| 492 | G4QHadron* targH = new G4QHadron(targQPDG,newTarg4M); // Prototype of theTargetHadron |
---|
| 493 | theQHadrons.push_back(targH); // Fill the Target Hadron (delete equivalent) |
---|
| 494 | #ifdef pdebug |
---|
| 495 | G4cout<<"G4QuasmonString::Constr: Fill ElastTargH="<<targQPDG<<newTarg4M<<G4endl; |
---|
| 496 | #endif |
---|
| 497 | } |
---|
| 498 | else |
---|
| 499 | { |
---|
| 500 | // Inelastic scattering: one or both hadrons are excited (charge exchange is not in). |
---|
| 501 | if(pcorFl) // Projectile is on the mass shell |
---|
| 502 | { |
---|
| 503 | G4QHadron* projH = new G4QHadron(projHadron); // Prototype of the Projectile Hadron |
---|
| 504 | projH->Set4Momentum(newProj4M); |
---|
| 505 | theQHadrons.push_back(projH); // Fill theProjectileHadron(delete equivalent) |
---|
| 506 | G4Quasmon* targQ = new G4Quasmon(targQPDG.GetQuarkContent(),newTarg4M); |
---|
| 507 | theQuasmons.push_back(targQ); // Insert Projectile Quasmon (delete equival.) |
---|
| 508 | } |
---|
| 509 | if(tcorFl) // Target is on the mass shell |
---|
| 510 | { |
---|
| 511 | G4Quasmon* projQ = new G4Quasmon(projHadron.GetQC(),newProj4M); |
---|
| 512 | theQuasmons.push_back(projQ); // Insert Projectile Quasmon (delete equival.) |
---|
| 513 | G4QHadron* targH = new G4QHadron(targQPDG,newTarg4M);//Prototype of theTargetHadron |
---|
| 514 | theQHadrons.push_back(targH); // Fill the Target Hadron (delete equivalent) |
---|
| 515 | } |
---|
[1055] | 516 | else // Both are excited (two Quasmons only) |
---|
[819] | 517 | { |
---|
| 518 | G4Quasmon* projQ = new G4Quasmon(projHadron.GetQC(),newProj4M); |
---|
| 519 | theQuasmons.push_back(projQ); // Insert Projectile Quasmon (delete equival.) |
---|
| 520 | G4Quasmon* targQ = new G4Quasmon(targQPDG.GetQuarkContent(),newTarg4M); |
---|
| 521 | theQuasmons.push_back(targQ); // Insert Projectile Quasmon (delete equival.) |
---|
| 522 | } |
---|
| 523 | } |
---|
| 524 | } |
---|
| 525 | else G4cout<<"-Wor-G4QuasmonString::Constr:T="<<targFl<<" or P="<<projFl<<" err"<<G4endl; |
---|
| 526 | #ifdef pdebug |
---|
| 527 | G4cout<<"G4QuasmonString::Constructor: *** End of Constructor ***, elF="<<elasFl<<G4endl; |
---|
| 528 | #endif |
---|
| 529 | // This is the first Check of the control values -- @@ Must be remade @@ -- |
---|
| 530 | #ifdef chdebug |
---|
| 531 | G4int finCharge=0; |
---|
| 532 | G4int finBaryoN=0; |
---|
| 533 | G4int nHad=theQHadrons.size(); |
---|
| 534 | if(nHad) for(G4int ih=0; ih<nHad; ih++) |
---|
| 535 | { |
---|
| 536 | finCharge+=theQHadrons[ih]->GetCharge(); |
---|
| 537 | finBaryoN+=theQHadrons[ih]->GetBaryonNumber(); |
---|
| 538 | } |
---|
| 539 | G4int nQuas=theQuasmons.size(); |
---|
| 540 | if(nQuas) for(G4int iq=0; iq<nQuas; iq++) |
---|
| 541 | { |
---|
| 542 | finCharge+=theQuasmons[iq]->GetCharge(); |
---|
| 543 | finBaryoN+=theQuasmons[iq]->GetBaryonNumber(); |
---|
| 544 | } |
---|
[1055] | 545 | G4cout<<"G4QuaStr::C:n="<<nHad<<",N="<<nQuas<<",C="<<finCharge<<",B="<<finBaryoN<<G4endl; |
---|
[819] | 546 | if(finCharge!=totCharge || finBaryoN!=totBaryNum) |
---|
| 547 | { |
---|
[1055] | 548 | G4cerr<<"***G4QuasmonString::C: tC="<<totCharge<<",C="<<finCharge<<",tB="<<totBaryNum |
---|
[819] | 549 | <<",B="<<finBaryoN<<G4endl; |
---|
| 550 | if(nHad) for(G4int h=0; h<nHad; h++) |
---|
| 551 | { |
---|
| 552 | G4QHadron* cH = theQHadrons[h]; |
---|
[1055] | 553 | G4cerr<<">G4QuaStr::C:h#"<<h<<",QC="<<cH->GetQC()<<",PDG="<<cH->GetPDGCode()<<G4endl; |
---|
[819] | 554 | } |
---|
| 555 | if(nQuas) for(G4int q=0; q<nQuas; q++) |
---|
| 556 | { |
---|
| 557 | G4Quasmon* cQ = theQuasmons[q]; |
---|
[1055] | 558 | G4cerr<<">G4QuaStr::C:q#"<<q<<",C="<<cQ->GetCharge()<<",QCont="<<cQ->GetQC()<<G4endl; |
---|
[819] | 559 | } |
---|
| 560 | } |
---|
| 561 | #endif |
---|
| 562 | } // End of the G4QuasmonString constructor |
---|
| 563 | |
---|
| 564 | G4QuasmonString::G4QuasmonString(const G4QuasmonString &right) |
---|
| 565 | { |
---|
| 566 | // theQuasmons (Vector) |
---|
| 567 | G4int nQ = right.theQuasmons.size(); |
---|
| 568 | if(nQ) for(G4int iq=0; iq<nQ; iq++) |
---|
| 569 | { |
---|
| 570 | G4Quasmon* curQ = new G4Quasmon(right.theQuasmons[iq]); |
---|
| 571 | #ifdef fdebug |
---|
[1055] | 572 | G4cout<<"G4QuaStr::CopyByVal:Q#"<<iq<<","<<curQ->GetQC()<<curQ->Get4Momentum()<<G4endl; |
---|
[819] | 573 | #endif |
---|
| 574 | theQuasmons.push_back(curQ); // (delete equivalent) |
---|
| 575 | } |
---|
| 576 | theProjEnvFlag = right.theProjEnvFlag; |
---|
| 577 | theTargEnvFlag = right.theTargEnvFlag; |
---|
| 578 | theWeight = right.theWeight; |
---|
| 579 | theProjQC = right.theProjQC; |
---|
| 580 | theTargQC = right.theTargQC; |
---|
| 581 | theProj4Mom = right.theProj4Mom; |
---|
| 582 | theTarg4Mom = right.theTarg4Mom; |
---|
| 583 | |
---|
| 584 | theWorld = right.theWorld; |
---|
[1055] | 585 | tot4Mom = right.tot4Mom; |
---|
| 586 | totCharge = right.totCharge; |
---|
| 587 | totBaryNum = right.totBaryNum; |
---|
[819] | 588 | } |
---|
| 589 | |
---|
| 590 | const G4QuasmonString& G4QuasmonString::operator=(const G4QuasmonString &right) |
---|
| 591 | {// ======================================================================== |
---|
| 592 | if(this != &right) // Beware of self assignment |
---|
| 593 | { |
---|
| 594 | // theQuasmons (Vector) |
---|
| 595 | G4int iQ = theQuasmons.size(); |
---|
| 596 | if(iQ) for(G4int jq=0; jq<iQ; jq++) delete theQuasmons[jq]; |
---|
| 597 | theQuasmons.clear(); |
---|
| 598 | G4int nQ = right.theQuasmons.size(); |
---|
| 599 | if(nQ) for(G4int iq=0; iq<nQ; iq++) |
---|
| 600 | { |
---|
| 601 | G4Quasmon* curQ = new G4Quasmon(right.theQuasmons[iq]); |
---|
| 602 | #ifdef fdebug |
---|
[1055] | 603 | G4cout<<"G4QuaStr::CpByVal:Q#"<<iq<<","<<curQ->GetQC()<<curQ->Get4Momentum()<<G4endl; |
---|
[819] | 604 | #endif |
---|
| 605 | theQuasmons.push_back(curQ); // (delete equivalent) |
---|
| 606 | } |
---|
| 607 | theProjEnvFlag = right.theProjEnvFlag; |
---|
| 608 | theTargEnvFlag = right.theTargEnvFlag; |
---|
| 609 | theWeight = right.theWeight; |
---|
| 610 | theProjQC = right.theProjQC; |
---|
| 611 | theTargQC = right.theTargQC; |
---|
| 612 | theProj4Mom = right.theProj4Mom; |
---|
| 613 | theTarg4Mom = right.theTarg4Mom; |
---|
| 614 | |
---|
| 615 | theWorld = right.theWorld; |
---|
[1055] | 616 | tot4Mom = right.tot4Mom; |
---|
| 617 | totCharge = right.totCharge; |
---|
| 618 | totBaryNum = right.totBaryNum; |
---|
[819] | 619 | } |
---|
| 620 | return *this; |
---|
| 621 | } |
---|
| 622 | |
---|
| 623 | G4QuasmonString::G4QuasmonString(G4QuasmonString* right) |
---|
| 624 | { |
---|
| 625 | // theQuasmons (Vector) |
---|
| 626 | G4int nQ = right->theQuasmons.size(); |
---|
| 627 | if(nQ) for(G4int iq=0; iq<nQ; iq++) |
---|
| 628 | { |
---|
| 629 | G4Quasmon* curQ = new G4Quasmon(right->theQuasmons[iq]); |
---|
| 630 | #ifdef fdebug |
---|
[1055] | 631 | G4cout<<"G4QuaStr::CpByPoint:Q#"<<iq<<","<<curQ->GetQC()<<curQ->Get4Momentum()<<G4endl; |
---|
[819] | 632 | #endif |
---|
| 633 | theQuasmons.push_back(curQ); // (delete equivalent) |
---|
| 634 | } |
---|
| 635 | theProjEnvFlag = right->theProjEnvFlag; |
---|
| 636 | theTargEnvFlag = right->theTargEnvFlag; |
---|
| 637 | theWeight = right->theWeight; |
---|
| 638 | theProjQC = right->theProjQC; |
---|
| 639 | theTargQC = right->theTargQC; |
---|
| 640 | theProj4Mom = right->theProj4Mom; |
---|
| 641 | theTarg4Mom = right->theTarg4Mom; |
---|
| 642 | |
---|
| 643 | theWorld = right->theWorld; |
---|
[1055] | 644 | tot4Mom = right->tot4Mom; |
---|
| 645 | totCharge = right->totCharge; |
---|
| 646 | totBaryNum = right->totBaryNum; |
---|
[819] | 647 | } |
---|
| 648 | |
---|
| 649 | G4QuasmonString::~G4QuasmonString() |
---|
| 650 | { |
---|
| 651 | #ifdef debug |
---|
| 652 | G4cout<<"~G4QuasmonString: before theQHadrons nH="<<theQHadrons.size()<<G4endl; |
---|
| 653 | #endif |
---|
| 654 | for_each(theQHadrons.begin(), theQHadrons.end(), DeleteQHadron()); |
---|
| 655 | #ifdef debug |
---|
| 656 | G4cout<<"~G4QuasmonString: before theQuasmons nQ="<<theQuasmons.size()<<G4endl; |
---|
| 657 | #endif |
---|
| 658 | for_each(theQuasmons.begin(), theQuasmons.end(), DeleteQuasmon()); |
---|
| 659 | #ifdef debug |
---|
| 660 | G4cout<<"~G4QuasmonString: === DONE ==="<<G4endl; |
---|
| 661 | #endif |
---|
| 662 | } |
---|
| 663 | |
---|
| 664 | // ================== Initialization of Static Parameters ============ |
---|
| 665 | //G4double G4QuasmonString::StParName=0.; // Static Parameter (Example) |
---|
| 666 | //G4bool G4QuasmonString::stFlag=false; // Static Flag (Example) |
---|
| 667 | |
---|
| 668 | // Fill the private static parameters |
---|
| 669 | //void G4QuasmonString::SetParameters(G4double aStPar, G4bool aStFlag) |
---|
| 670 | //{// ==================================================================================== |
---|
| 671 | // StParName=aStPar; // (Example) |
---|
| 672 | // stFlag=aStFlag; // (Example) |
---|
| 673 | //} |
---|
| 674 | |
---|
| 675 | |
---|
| 676 | //The public Hadronisation function with the Exception treatment (del respons. of User !) |
---|
| 677 | G4QHadronVector* G4QuasmonString::Fragment() |
---|
| 678 | {// ========================== -- @@ Must be changed @@ -- |
---|
[1055] | 679 | // Make the final check before filling the output -- @@ Must be changed @@ -- |
---|
[819] | 680 | #ifdef chdebug |
---|
| 681 | G4int fCharge=0; |
---|
| 682 | G4int fBaryoN=0; |
---|
| 683 | G4int nHad=theQHadrons.size(); |
---|
| 684 | if(nHad) for(G4int ih=0; ih<nHad; ih++) |
---|
| 685 | { |
---|
| 686 | fCharge+=theQHadrons[ih]->GetCharge(); |
---|
| 687 | fBaryoN+=theQHadrons[ih]->GetBaryonNumber(); |
---|
| 688 | } |
---|
| 689 | G4int nQuas=theQuasmons.size(); |
---|
| 690 | if(nQuas)for(G4int iqs=0; iqs<nQuas; iqs++) |
---|
| 691 | { |
---|
| 692 | fCharge+=theQuasmons[iqs]->GetCharge(); |
---|
| 693 | fBaryoN+=theQuasmons[iqs]->GetBaryonNumber(); |
---|
| 694 | } |
---|
| 695 | if(fCharge!=totCharge || fBaryoN!=totBaryNum) |
---|
| 696 | { |
---|
[1055] | 697 | G4cerr<<"***G4QuasmonString::Fragment: tC="<<totCharge<<", C="<<fCharge<<", tB=" |
---|
| 698 | <<totBaryNum<<", B="<<fBaryoN<<G4endl; |
---|
[819] | 699 | if(nHad) for(G4int h=0; h<nHad; h++) |
---|
| 700 | { |
---|
| 701 | G4QHadron* cH = theQHadrons[h]; |
---|
[1055] | 702 | G4cerr<<":G4QuaSt::HQ:h#"<<h<<",QC="<<cH->GetQC()<<",PDG="<<cH->GetPDGCode()<<G4endl; |
---|
[819] | 703 | } |
---|
| 704 | if(nQuas) for(G4int q=0; q<nQuas; q++) |
---|
| 705 | { |
---|
| 706 | G4Quasmon* cQ = theQuasmons[q]; |
---|
[1055] | 707 | G4cerr<<":G4QuaSt::HQ:q#"<<q<<",C="<<cQ->GetCharge()<<",QCont="<<cQ->GetQC()<<G4endl; |
---|
[819] | 708 | } |
---|
| 709 | } |
---|
| 710 | #endif |
---|
| 711 | G4QHadronVector dummy; // Prototype of the output G4QuasmonVector to avoid wornings |
---|
| 712 | G4QHadronVector* finalQHadrons = &dummy; // Prototype of the output G4QuasmonVector |
---|
| 713 | G4int nH = theQHadrons.size(); |
---|
| 714 | if(nH) |
---|
| 715 | { |
---|
| 716 | for(G4int ih=0; ih<nH; ih++) |
---|
| 717 | { |
---|
| 718 | G4QHadron* curH = new G4QHadron(theQHadrons[ih]); |
---|
| 719 | finalQHadrons->push_back(curH); // deleted after the "while LOOP" |
---|
| 720 | } |
---|
| 721 | } |
---|
| 722 | for_each(theQuasmons.begin(),theQuasmons.end(),DeleteQuasmon()); //CleanUp Quasm's |
---|
| 723 | theQuasmons.clear(); |
---|
| 724 | return finalQHadrons; |
---|
| 725 | } // End of the Fragmentation member function |
---|
| 726 | |
---|
| 727 | //The public extraction of the number of the created (in Constructor) G4QHadrons |
---|
| 728 | G4int G4QuasmonString::GetNOfHadrons() {return theQHadrons.size();} |
---|
| 729 | |
---|
| 730 | //The public extraction of the number of the created (in Constructor) G4Quasmons |
---|
| 731 | G4int G4QuasmonString::GetNOfQuasmons() {return theQuasmons.size();} |
---|
| 732 | |
---|
| 733 | //The public extraction of the projectile environment flag ("true" - exists) |
---|
| 734 | G4bool G4QuasmonString::GetProjEnvFlag() {return theProjEnvFlag;} |
---|
| 735 | |
---|
| 736 | //The public extraction of the target environment flag ("true" - exists) |
---|
| 737 | G4bool G4QuasmonString::GetTargEnvFlag() {return theTargEnvFlag;} |
---|
| 738 | |
---|
| 739 | //The public Quasmons duplication with delete responsibility of User (!) |
---|
| 740 | G4QuasmonVector* G4QuasmonString::GetQuasmons() |
---|
| 741 | {// ============================== |
---|
| 742 | G4int nQ=theQuasmons.size(); |
---|
| 743 | #ifdef pdebug |
---|
| 744 | G4cout<<"G4QuasmonString::GetQuasmons is called nQ="<<nQ<<G4endl; |
---|
| 745 | #endif |
---|
| 746 | G4QuasmonVector* quasmons = new G4QuasmonVector; // Intermediate |
---|
| 747 | if(nQ) for(G4int iq=0; iq<nQ; iq++) |
---|
| 748 | { |
---|
| 749 | #ifdef pdebug |
---|
| 750 | G4cout<<"G4QStr::GetQuasmons:Q#"<<iq<<",QPDG="<<theQuasmons[iq]->GetQPDG()<<",QQC=" |
---|
| 751 | <<theQuasmons[iq]->GetQC()<<",Q4M="<<theQuasmons[iq]->Get4Momentum()<<G4endl; |
---|
| 752 | #endif |
---|
| 753 | if(theQuasmons[iq]->GetStatus()) |
---|
| 754 | { |
---|
| 755 | G4Quasmon* curQ = new G4Quasmon(theQuasmons[iq]); |
---|
| 756 | quasmons->push_back(curQ); // (del. equiv. - user is responsibile) |
---|
| 757 | } |
---|
| 758 | } |
---|
| 759 | #ifdef pdebug |
---|
| 760 | G4cout<<"G4QuasmonString::GetQuasmons ===OUT==="<<G4endl; |
---|
| 761 | #endif |
---|
| 762 | return quasmons; |
---|
| 763 | } // End of GetQuasmons |
---|
| 764 | |
---|
| 765 | //The public Quasmons duplication with delete responsibility of User (!) |
---|
| 766 | G4QHadronVector* G4QuasmonString::GetHadrons() |
---|
| 767 | {// ============================= |
---|
| 768 | G4int nH=theQHadrons.size(); |
---|
| 769 | #ifdef pdebug |
---|
| 770 | G4cout<<"G4QuasmonString::GetHadrons is called nH="<<nH<<G4endl; |
---|
| 771 | #endif |
---|
| 772 | G4QHadronVector* hadrons = new G4QHadronVector; // Intermediate |
---|
| 773 | if(nH) for(G4int ih=0; ih<nH; ih++) |
---|
| 774 | { |
---|
| 775 | #ifdef pdebug |
---|
| 776 | G4cout<<"G4QStr::GetHadrons: H#"<<ih<<",QPDG="<<theQHadrons[ih]->GetQPDG()<<",QQC=" |
---|
| 777 | <<theQHadrons[ih]->GetQC()<<",H_Mass="<<theQHadrons[ih]->GetMass()<<G4endl; |
---|
| 778 | #endif |
---|
| 779 | if(!theQHadrons[ih]->GetNFragments()) |
---|
| 780 | { |
---|
| 781 | G4QHadron* curH = new G4QHadron(theQHadrons[ih]); |
---|
| 782 | hadrons->push_back(curH); // (del. equiv. - user is responsibile) |
---|
| 783 | } |
---|
| 784 | } |
---|
| 785 | #ifdef pdebug |
---|
| 786 | G4cout<<"G4QuasmonString::GetHadrons ===OUT==="<<G4endl; |
---|
| 787 | #endif |
---|
| 788 | return hadrons; |
---|
| 789 | } // End of GetHadrons |
---|
| 790 | |
---|
| 791 | // Randomize the momentum fraction for the CHIPS of nPart free partons [x*(1-x)^(n-3)] |
---|
| 792 | G4double G4QuasmonString::RandomizeMomFractionFree(G4int nPart) |
---|
| 793 | {// ============================================== |
---|
| 794 | // @@ TMP --- Begin --- |
---|
| 795 | if(2>1) |
---|
[1055] | 796 | { |
---|
[819] | 797 | if(nPart<2) |
---|
| 798 | { |
---|
| 799 | G4cerr<<"**G4QuasmonString::RandMomFractionString: n="<<nPart<<" < 2, retun 0"<<G4endl; |
---|
| 800 | return 0.; |
---|
| 801 | } |
---|
| 802 | G4double x=0.5; |
---|
| 803 | if(nPart==2) return x; // GS meson |
---|
| 804 | G4double r=G4UniformRand(); |
---|
| 805 | if(r==0.) return 0.; |
---|
| 806 | if(r==1.) return 1.; |
---|
[1055] | 807 | if (nPart==3) x=r; // GS baryon |
---|
| 808 | else if(nPart==4) x=1.-sqrt(r); // GS quaternion |
---|
[819] | 809 | else x=1.-pow(r,1./(nPart-2.)); // nPart>4 |
---|
| 810 | return x; |
---|
| 811 | } |
---|
| 812 | //if(nPart!=3) G4cerr<<"*>>>>>*G4QuasmonString::RandMomFractionFree: n="<<nPart<<G4endl; |
---|
| 813 | // @@ TMP --- End --- |
---|
| 814 | if(nPart<2) |
---|
| 815 | { |
---|
| 816 | G4cerr<<"**G4QuasmonString::RandMomFractionFree: n="<<nPart<<" < 2, retun 0."<<G4endl; |
---|
| 817 | return 0.; |
---|
| 818 | } |
---|
| 819 | G4double x=0.5; |
---|
| 820 | if(nPart==2) return x; // GS meson |
---|
| 821 | G4double r=G4UniformRand(); |
---|
| 822 | if(r==0.) return 0.; |
---|
| 823 | if(r==1.) return 1.; |
---|
[1055] | 824 | if(nPart==3) x=sqrt(r); // GS baryon |
---|
| 825 | else if(nPart==4) // GS quaternion |
---|
| 826 | { |
---|
[819] | 827 | if (r==0.5) x=0.5; |
---|
| 828 | else if(r<0.5) x=sqrt(r+r)*(.5+.1579*(r-.5)); |
---|
| 829 | else x=1.-sqrt(2.-r-r)*(.5+.1579*(.5-r)); |
---|
| 830 | } |
---|
| 831 | else |
---|
[1055] | 832 | { |
---|
[819] | 833 | G4int n1=nPart-2; |
---|
| 834 | G4double r1=n1; |
---|
| 835 | G4double r2=r1-1.; |
---|
| 836 | G4double rr=r2/r1; |
---|
| 837 | G4double rp=pow(rr,n1); |
---|
| 838 | G4double p2=rp+rp; |
---|
| 839 | if (r==rr) x=p2; |
---|
| 840 | else |
---|
[1055] | 841 | { |
---|
[819] | 842 | if(r<rr) |
---|
| 843 | { |
---|
[1055] | 844 | G4double pr=0.; |
---|
| 845 | G4double pra=0.; |
---|
[819] | 846 | if(nPart>8) |
---|
[1055] | 847 | { |
---|
[819] | 848 | if(nPart>10) |
---|
[1055] | 849 | { |
---|
[819] | 850 | if(nPart>11) // >11 |
---|
| 851 | { |
---|
| 852 | pr=.614/pow((nPart+1.25),.75); |
---|
| 853 | pra=.915/pow((nPart+6.7),1.75); |
---|
| 854 | } |
---|
[1055] | 855 | else // 11 |
---|
[819] | 856 | { |
---|
| 857 | pr=.09945; |
---|
| 858 | pra=.00667; |
---|
| 859 | } |
---|
| 860 | } |
---|
| 861 | else |
---|
[1055] | 862 | { |
---|
[819] | 863 | if(nPart>9) // 10 |
---|
| 864 | { |
---|
| 865 | pr=.1064; |
---|
| 866 | pra=.00741; |
---|
| 867 | } |
---|
[1055] | 868 | else // 9 |
---|
[819] | 869 | { |
---|
| 870 | pr=.11425; |
---|
| 871 | pra=.00828; |
---|
| 872 | } |
---|
| 873 | } |
---|
| 874 | } |
---|
| 875 | else |
---|
[1055] | 876 | { |
---|
[819] | 877 | if(nPart>6) |
---|
[1055] | 878 | { |
---|
[819] | 879 | if(nPart>7) // 8 |
---|
| 880 | { |
---|
| 881 | pr=.12347; |
---|
| 882 | pra=.00926; |
---|
| 883 | } |
---|
[1055] | 884 | else // 7 |
---|
[819] | 885 | { |
---|
| 886 | pr=.13405; |
---|
| 887 | pra=.01027; |
---|
| 888 | } |
---|
| 889 | } |
---|
| 890 | else |
---|
[1055] | 891 | { |
---|
[819] | 892 | if(nPart>5) // 6 |
---|
| 893 | { |
---|
| 894 | pr=.1454; |
---|
| 895 | pra=.01112; |
---|
| 896 | } |
---|
[1055] | 897 | else // 5 |
---|
[819] | 898 | { |
---|
| 899 | pr=.15765; |
---|
| 900 | pra=.00965; |
---|
| 901 | } |
---|
| 902 | } |
---|
| 903 | } |
---|
| 904 | x=pow((r/p2),(1.-rr+pra))*(rr+pr*(r-p2)); |
---|
| 905 | } |
---|
| 906 | else |
---|
| 907 | { |
---|
[1055] | 908 | G4double sr=0.; |
---|
[819] | 909 | if(nPart>8) |
---|
[1055] | 910 | { |
---|
[819] | 911 | if(nPart>10) |
---|
[1055] | 912 | { |
---|
[819] | 913 | if(nPart>11) sr=.86/(nPart+1.05); // >11 |
---|
[1055] | 914 | else sr=.0774; // 11 |
---|
[819] | 915 | } |
---|
| 916 | else |
---|
[1055] | 917 | { |
---|
[819] | 918 | if(nPart>9) sr=.0849; // 10 |
---|
[1055] | 919 | else sr=.0938; // 9 |
---|
[819] | 920 | } |
---|
| 921 | } |
---|
| 922 | else |
---|
[1055] | 923 | { |
---|
[819] | 924 | if(nPart>6) |
---|
[1055] | 925 | { |
---|
[819] | 926 | if(nPart>7) sr=.1047; // 8 |
---|
[1055] | 927 | else sr=.1179; // 7 |
---|
[819] | 928 | } |
---|
| 929 | else |
---|
[1055] | 930 | { |
---|
[819] | 931 | if(nPart>5) sr=.1339; // 6 |
---|
[1055] | 932 | else sr=.15135; // 5 |
---|
[819] | 933 | } |
---|
| 934 | } |
---|
| 935 | x=1.-sqrt((1.-r)/(1.-p2))*(1.-rr+sr*(p2-r)); |
---|
| 936 | } |
---|
| 937 | } |
---|
| 938 | } |
---|
| 939 | return x; |
---|
| 940 | } // End of RandomizeMomFractionFree |
---|
| 941 | |
---|
| 942 | // Randomize MomentumFraction for CHIPS of nPart partons for Pomeron exchange [(1-x)^(n-2)] |
---|
| 943 | G4double G4QuasmonString::RandomizeMomFractionString(G4int nPart) |
---|
| 944 | {// ================================================ |
---|
| 945 | if(nPart<2) |
---|
| 946 | { |
---|
| 947 | G4cerr<<"**G4QuasmonString::RandMomFractionString: n="<<nPart<<" < 2, retun 0"<<G4endl; |
---|
| 948 | return 0.; |
---|
| 949 | } |
---|
| 950 | G4double x=0.5; |
---|
| 951 | if(nPart==2) return x; // GS meson |
---|
| 952 | G4double r=G4UniformRand(); |
---|
| 953 | if(r==0.) return 0.; |
---|
| 954 | if(r==1.) return 1.; |
---|
[1055] | 955 | if (nPart==3) x=r; // GS baryon |
---|
| 956 | else if(nPart==4) x=1.-sqrt(r); // GS quaternion |
---|
[819] | 957 | else x=1.-pow(r,1./(nPart-2.)); // nPart>4 |
---|
| 958 | return x; |
---|
| 959 | } // End of RandomizeMomFractionString |
---|