[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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| 30 | // $Id: G4QSplitter.cc,v 1.6 2006/11/27 10:44:55 mkossov Exp $ |
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| 31 | // GEANT4 tag $Name: $ |
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| 32 | // |
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| 33 | // ---------------- G4QSplitter ---------------- |
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| 34 | // by Mikhail Kossov, August 2005. |
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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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| 37 | |
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| 38 | //#define chdebug |
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| 39 | //#define debug |
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| 40 | //#define sdebug |
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| 41 | //#define ppdebug |
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| 42 | //#define cdebug |
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| 43 | //#define cldebug |
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| 44 | //#define edebug |
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| 45 | //#define fdebug |
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| 46 | //#define pdebug |
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| 47 | //#define rdebug |
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| 48 | //#define ffdebug |
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| 49 | //#define pcdebug |
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| 50 | //#define mudebug |
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| 51 | |
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| 52 | #include "G4QSplitter.hh" |
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| 53 | #include <cmath> |
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| 54 | using namespace std; |
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| 55 | |
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| 56 | G4QSplitter::G4QSplitter(G4QHadron projHadron, const G4bool projEnvFlag, |
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| 57 | const G4int targPDG, const G4bool targEnvFlag) : |
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| 58 | theProjEnvFlag(projEnvFlag), theTargEnvFlag(targEnvFlag), theWeight(1.) |
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| 59 | { |
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| 60 | static const G4double mPi0 = G4QPDGCode(111).GetMass(); |
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| 61 | //static const G4double Temperature = 180.; // Temperature as a parameter |
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| 62 | //static const G4double Temp2 = Temperature*Temperature; // Squared Temperature |
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| 63 | theWorld= G4QCHIPSWorld::Get(); // Get a pointer to the CHIPS World |
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| 64 | #ifdef debug |
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| 65 | G4cout<<"-->G4QString::Constr:pPDG="<<projHadron.GetPDGCode()<<",tPDG="<<targPDG<<G4endl; |
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| 66 | #endif |
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| 67 | // Target initialization |
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| 68 | G4QPDGCode targQPDG(targPDG); |
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| 69 | totBaryNum= targQPDG.GetBaryNum(); // Only a Prototype |
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| 70 | totCharge = targQPDG.GetCharge(); // Only a Prototype |
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| 71 | theTargQC = targQPDG.GetQuarkContent(); |
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| 72 | G4double tM = targQPDG.GetMass(); |
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| 73 | theTarg4Mom = G4LorentzVector(0.,0.,0.,tM); |
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| 74 | G4QHadron targHadron(targQPDG,theTarg4Mom); // Target Hadron |
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| 75 | |
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| 76 | // Projectile initialization |
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| 77 | theProj4Mom = projHadron.Get4Momentum(); |
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| 78 | G4ThreeVector projBoost = theProj4Mom.boostVector(); // Projectile BoostVector to LS |
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| 79 | G4ThreeVector projRBoost= -projBoost; // Projevtile Boost vector to projectile CMS |
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| 80 | G4QPDGCode projQPDG(projHadron.GetPDGCode()); |
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| 81 | theProjQC = projQPDG.GetQuarkContent(); |
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| 82 | totBaryNum+= projQPDG.GetBaryNum(); // Final control value |
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| 83 | totCharge += projQPDG.GetCharge(); // Final control value |
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| 84 | tot4Mom = theProj4Mom+theTarg4Mom; // Final control value |
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| 85 | |
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| 86 | G4double projM = projQPDG.GetMass(); |
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| 87 | G4double projM2 = projM*projM; |
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| 88 | G4double pM2 = theProj4Mom.m2(); |
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| 89 | G4double tM2 = tM*tM; |
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| 90 | G4double dM2 = fabs(pM2-projM2); |
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| 91 | if(dM2>1.) G4cout<<"-Warn-G4QS::Constr:dM2="<<dM2<<",M2="<<projM2<<",LVM2="<<pM2<<G4endl; |
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| 92 | G4double pM=sqrt(pM2); // @@ do we need pM ? @@ (in print) |
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| 93 | |
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| 94 | // === Print out of the input information at Creation time & tot 4-mom Calculation ====== |
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| 95 | #ifdef pdebug |
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| 96 | G4cout<<"G4QS::Cons:PQC="<<theProjQC<<",TQC="<<theTargQC<<",P4Mom="<<theProj4Mom<< |
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| 97 | theProj4Mom.m2()<<theProj4Mom.m()<<G4endl; |
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| 98 | G4cout<<"G4QSpl::Constr: tC="<<totCharge<<",tB="<<totBaryNum<<",tot4M="<<tot4Mom<<G4endl; |
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| 99 | #endif |
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| 100 | //G4int nP=theWorld->GetQPEntries(); // A#of init'ed particles in CHIPS World (@@?) |
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| 101 | //G4int nCl=nP-90; // A#of init'ed clusters in CHIPS World (@@?) |
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| 102 | //#ifdef pdebug |
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| 103 | //G4cout<<"G4QS:Const:Before QEX:n="<<nP<<G4endl; |
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| 104 | //#endif |
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| 105 | // @@@@@@ ===> Here the Quark Exchange Quasmon Creation must be added <=== @@@@@@ |
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| 106 | // @@ --- old --- |
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| 107 | //G4int nQTarg=theTargQC.GetTot(); // a#of Quark-partons in the Target |
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| 108 | //G4int nQProj=theProjQC.GetTot(); // a#of Quark-partons in the Progectile |
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| 109 | // @@ --- new --- |
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| 110 | G4LorentzVector tSum=theProj4Mom+theTarg4Mom; |
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| 111 | G4double sumM=tM+pM; |
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| 112 | G4double dn=2.17*(tSum.m2()/sumM/sumM-1.); // additional partons (gluons) - real |
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| 113 | G4int np=static_cast<int>(dn); // additional partons (gluons) - basic int |
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| 114 | if(G4UniformRand()>1.-dn+np) np++; // randomized int additional partons(gluons) |
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| 115 | G4int nQTarg=theTargQC.GetTot()+np; // a#of Quark-partons in the Target |
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| 116 | G4int nQProj=theProjQC.GetTot()+np; // a#of Quark-partons in the Progectile |
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| 117 | // @@ --- new --- |
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| 118 | //G4int mQTarg=theTargQC.GetTot(); // a#of Quark-partons in the Target |
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| 119 | //G4int mQProj=theProjQC.GetTot(); // a#of Quark-partons in the Progectile |
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| 120 | ////G4double tothM=tot4Mom.m()/2.; // C.M. mass of the protons |
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| 121 | ////G4int nQCM=classG4Quasmon.CalculateNumberOfQPartons(tothM); |
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| 122 | //G4double tothM2=tot4Mom.m2()/4.; // C.M. mass of the protons |
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| 123 | //G4int nQCM=static_cast<int>((1.+sqrt(tothM2/Temp2+1.))/2.); |
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| 124 | //G4int nQTarg=nQCM; // a#of Quark-partons in the Target |
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| 125 | //if(nQTarg<mQTarg) nQTarg=mQTarg; |
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| 126 | //G4int nQProj=nQCM; // a#of Quark-partons in the Progectile |
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| 127 | //if(nQProj<mQProj) nQProj=mQProj; |
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| 128 | // @@ --- end --- |
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| 129 | G4double interc=1.; // @@ A parameter ?! |
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| 130 | #ifdef pdebug |
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| 131 | G4cout<<"G4QSpl::Constr: nP="<<nQProj<<", nT="<<nQTarg<<", intercept="<<interc<<G4endl; |
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| 132 | #endif |
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| 133 | // @@ Now projectile can be only meson or baryon @@ -- @@ Improve for clusters @@ -- |
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| 134 | G4LorentzVector pq4Mom(0.,0.,0.,0.); // Prototype of LV of quark of progectile |
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| 135 | G4double rPMass=0.; // Prototype of the residProjMass (Meson case) |
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| 136 | G4bool FreeFraF=false; // Prototype of the free exchange Flag |
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| 137 | //if(G4UniformRand()<0.) FreeFraF=true; // @@@@@@@@ Confirm the free exchange |
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| 138 | if(nQProj<2) G4cout<<"***G4QSpl::Constr: nQProj="<<nQProj<<"<2 ***FatalError***"<<G4endl; |
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| 139 | else if(nQProj>2) // ---> Baryon case (clusters are not implem.) |
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| 140 | { |
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| 141 | //if(nQProj>3)G4cout<<"-Wor-G4QS::Const:nQProj="<<nQProj<<">3 is not implem'd"<<G4endl; |
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| 142 | G4double xP=0.; |
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| 143 | if(FreeFraF) xP=RandomizeMomFractionFree(nQProj); |
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| 144 | else |
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| 145 | { |
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| 146 | xP=RandomizeMomFractionString(nQProj); |
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| 147 | theWeight*=pow(xP,interc); |
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| 148 | G4cout<<"************G4QS::C: string xP="<<xP<<G4endl; |
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| 149 | } |
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| 150 | rPMass = sqrt(pM2*(1.-xP)); // Residual Projectile mass |
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| 151 | #ifdef pdebug |
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| 152 | G4cout<<"G4QS::C: nQProj="<<nQProj<<", xProj="<<xP<<", rPMass="<<rPMass<<G4endl; |
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| 153 | #endif |
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| 154 | } |
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| 155 | G4LorentzVector pr4Mom(0.,0.,0.,rPMass); // Prototype of LV of the residual projectile |
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| 156 | G4bool projFl=false; |
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| 157 | G4bool targFl=false; |
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| 158 | G4bool tmpBl=projHadron.DecayIn2(pq4Mom,pr4Mom); |
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| 159 | if(tmpBl) projFl=true; // Proj decay is OK |
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| 160 | //if(projHadron.DecayIn2(pq4Mom,pr4Mom)) projFl=true; |
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| 161 | else G4cout<<"*Warning*G4QSplitter::Constr:ProjDecIn2 rpM="<<rPMass<<", pM="<<pM<<G4endl; |
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| 162 | #ifdef pdebug |
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| 163 | G4cout<<"G4QSpl::Con:"<<projFl<<" split PROJ in R4M="<<pr4Mom<<" & Q4M="<<pq4Mom<<G4endl; |
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| 164 | #endif |
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| 165 | G4LorentzVector tq4Mom(0.,0.,0.,0.); // Prototype of LV of quark of the target |
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| 166 | //if(nQTarg<3)G4cout<<"***G4QStr::Const: nQTarg="<<nQTarg<<"<3 ***FatalError***"<<G4endl; |
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| 167 | //if(nQTarg>3)G4cout<<"-W-G4QS::Const: nQTarg="<<nQTarg<<">3 is not implemented"<<G4endl; |
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| 168 | G4double xT=0.; |
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| 169 | if(FreeFraF) xT=RandomizeMomFractionFree(nQTarg); |
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| 170 | else |
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| 171 | { |
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| 172 | xT=RandomizeMomFractionString(nQTarg); |
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| 173 | theWeight*=pow(xT,interc); |
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| 174 | G4cout<<"************G4QS::C: string xT="<<xT<<G4endl; |
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| 175 | } |
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| 176 | G4double rTMass = sqrt(tM2*(1.-xT)); // Residual Target mass |
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| 177 | #ifdef pdebug |
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| 178 | G4cout<<"G4QS::C: nQTarg="<<nQTarg<<", xProj="<<xT<<", rTMass="<<rTMass<<G4endl; |
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| 179 | #endif |
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| 180 | G4LorentzVector tr4Mom(0.,0.,0.,rTMass); // Prototype of LV of the residual projectile |
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| 181 | if(targHadron.DecayIn2(tq4Mom,tr4Mom)) targFl=true; // Targ decay is OK |
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| 182 | else G4cout<<"**Worning**G4QStr::Constr:TargDecIn2 rtM="<<rTMass<<", tM="<<tM<<G4endl; |
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| 183 | #ifdef pdebug |
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| 184 | G4cout<<"G4QStr::Con:"<<targFl<<" split TARG in R4M="<<tr4Mom<<" & Q4M="<<tq4Mom<<G4endl; |
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| 185 | #endif |
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| 186 | G4bool elasFl=false; // ByDefault avoid the elastic scattering |
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| 187 | if (targFl && projFl) // --- @@ Now only for pp case @@ --- |
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| 188 | { |
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| 189 | G4LorentzVector newProj4M=pr4Mom+tq4Mom; |
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| 190 | G4double nPM2=newProj4M.m2(); |
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| 191 | G4double npM=sqrt(nPM2); |
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| 192 | G4bool pcorFl=false; // ByDefault no MassSh correction for newProj. |
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| 193 | // @@ Just to try ---- Start |
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| 194 | //G4LorentzVector newTarg4M=tr4Mom+pq4Mom; |
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| 195 | //G4double nTM2=newTarg4M.m2(); |
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| 196 | //G4double ntM=sqrt(nTM2); |
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| 197 | #ifdef pdebug |
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| 198 | //G4cout<<"G4QStr::C:ntM="<<ntM<<" <? tM="<<tM<<"+mPi0="<<mPi0<<" = "<<tM+mPi0<<G4endl; |
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| 199 | #endif |
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| 200 | //if(ntM<tM+mPi0 && npM<pM+mPi0) elasFl=true; // Target&Project are underMinMass => El |
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| 201 | // @@ Just to try ---- End |
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| 202 | #ifdef pdebug |
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| 203 | G4cout<<"G4QS::Cons: npM="<<npM<<" <? pM="<<pM<<"+mPi0="<<mPi0<<" = "<<pM+mPi0<<G4endl; |
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| 204 | #endif |
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| 205 | if(npM<pM+mPi0) // The projectile is under min mass (@@ In Future put other cut @@) |
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| 206 | { |
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| 207 | G4double valk=tq4Mom.e(); // Momentum of the target quark |
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| 208 | //#ifdef pdebug |
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| 209 | G4double dvalk=valk-tq4Mom.rho(); |
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| 210 | if(fabs(dvalk)>.00001) G4cout<<"***kp***G4QS::C:vk="<<valk<<",dvk="<<dvalk<<G4endl; |
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| 211 | //#endif |
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| 212 | G4double dmas=pM2-pr4Mom.m2(); // Difference of squared masses |
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| 213 | G4double vale=pr4Mom.e(); |
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| 214 | G4ThreeVector pr=pr4Mom.v(); |
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| 215 | G4double valp=pr.mag(); |
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| 216 | G4ThreeVector upr=pr/valp; // Unit vector in the pr direction |
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| 217 | G4double cost=-(dmas/(valk+valk)-vale)/valp; // Initial cos(theta) |
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| 218 | if(fabs(cost)>1.) |
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| 219 | { |
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| 220 | #ifdef pdebug |
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| 221 | G4cout<<"***p***>>>G4QS::C: cost="<<cost<<G4endl; |
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| 222 | #endif |
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| 223 | // Get max value of |cos(theta)| and change tq value to get the pM on mass shell |
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| 224 | if(cost>0.) // --->>> cost>0. |
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| 225 | { |
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| 226 | valk=dmas/(vale-valp)/2; // Momentum is too big (must be reduced) |
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| 227 | G4ThreeVector tqf=upr*valk; // final targetQuark 3-vector |
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| 228 | tq4Mom.set(valk,tqf); // Fill new 4-mom for targetQuark |
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| 229 | tr4Mom.set(tM-valk,-tqf); // Fill new 4-mom for targetResidual |
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| 230 | newProj4M=tq4Mom+pr4Mom; // Final Projectile 4-mom in LS |
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| 231 | } |
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| 232 | else // --->>> cost<0. |
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| 233 | { |
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| 234 | G4double hvalk=dmas/(vale+valp); // Momentum's too small (must be increased, LIM) |
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| 235 | if(hvalk>tM) // Momentum can not be increased to this value |
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| 236 | { |
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| 237 | #ifdef pdebug |
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| 238 | G4cout<<"**p-Cor**>G4QS::C: hvalk="<<hvalk<<" > tM="<<tM<<", dm="<<dmas<<", e=" |
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| 239 | <<vale<<", p="<<valp<<", ct="<<cost<<G4endl; |
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| 240 | #endif |
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| 241 | // Put the scatteredProjectile on the massShell, and rescatter the target quark |
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| 242 | G4LorentzVector tmpProj4M=newProj4M+pq4Mom; // TempCriticalCompound for Project |
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| 243 | newProj4M=G4LorentzVector(0.,0.,0.,pM); // New Project is on the mass shell |
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| 244 | G4QHadron tmpHadron(tmpProj4M); // Create a Hadron for decay |
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| 245 | pq4Mom=G4LorentzVector(0.,0.,0.,0.); // NewProjParton on lightMassShell |
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| 246 | tmpBl=tmpHadron.DecayIn2(newProj4M,pq4Mom); // Decay the Compound in newProg+pQ |
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| 247 | if(!tmpBl)G4cout<<"G4QS::C:DecIn2 err "<<sqrt(tmpProj4M.m2())<<"<"<<pM<<G4endl; |
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| 248 | } |
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| 249 | else |
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| 250 | { |
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| 251 | #ifdef pdebug |
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| 252 | G4cout<<"***---***>G4QS::C: hvalk="<<hvalk<<" < tM="<<tM<<G4endl; |
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| 253 | #endif |
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| 254 | valk=hvalk/2; // Momentum is too small (must be reduced) |
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| 255 | G4ThreeVector tqf=upr*(-valk); // Final targetQuark 3-vector |
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| 256 | tq4Mom.set(valk,tqf); // Fill new 4-mom for targetQuark |
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| 257 | tr4Mom.set(tM-valk,-tqf); // Fill new 4-mom for targetResidual |
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| 258 | newProj4M=tq4Mom+pr4Mom; |
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| 259 | } |
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| 260 | } |
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| 261 | if(fabs(newProj4M.m()-pM)>.0001)G4cout<<"G4QS::C:"<<newProj4M.m()<<","<<pM<<G4endl; |
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| 262 | } |
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| 263 | else |
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| 264 | { |
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| 265 | // Turn the target quark-parton to the projectile residual in LS = CMSofTheTarget |
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| 266 | #ifdef pdebug |
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| 267 | G4cout<<"---p--->>>G4QS::C: cost="<<cost<<G4endl; |
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| 268 | #endif |
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| 269 | G4ThreeVector tq=tq4Mom.v(); // 3-mom of the targetQ (LS) |
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| 270 | G4double tqlp=upr.dot(tq); // Projection of tq on the projectile |
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| 271 | G4ThreeVector tql=upr*tqlp; // tq part along pr |
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| 272 | G4ThreeVector tqt=tq-tql; // tq part perpendicular to pr |
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| 273 | G4double cosi=tqlp/valk; // Initial cos(theta) |
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| 274 | G4ThreeVector tqlf=tql*(cost/cosi); // final tq part along pr |
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| 275 | G4double sini=sqrt(1.-cosi*cosi); // Initial sin(theta) |
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| 276 | G4double sint=sqrt(1.-cost*cost); // Desired sin(theta) |
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| 277 | G4ThreeVector tqpf=tqt*(sint/sini); // final tq part perpendicular pr |
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| 278 | G4ThreeVector tqf=tqlf+tqpf; // final tq |
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| 279 | tq4Mom.setV(tqf); // Change the momentum direction of targetQ |
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| 280 | tr4Mom.setV(-tqf); // Change the momentum direction of targetR |
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| 281 | if(fabs(tqf.mag()-valk)>.0001)G4cout<<"*G4QS::C:||="<<tqf.mag()<<","<<valk<<G4endl; |
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| 282 | newProj4M=tq4Mom+pr4Mom; |
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| 283 | if(fabs(newProj4M.m()-pM)>.001)G4cout<<"*G4QS::C:"<<newProj4M.m()<<","<<pM<<G4endl; |
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| 284 | } |
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| 285 | #ifdef pdebug |
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| 286 | G4cout<<"G4QStr::C: Proj under GS, newP4M="<<newProj4M<<", pq4M="<<pq4Mom<<G4endl; |
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| 287 | #endif |
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| 288 | pcorFl=true; // Projectile is on the GS mass shell |
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| 289 | } |
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| 290 | G4bool tcorFl=false; // ByDefault no MassSh correction for newTarg. |
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| 291 | G4LorentzVector newTarg4M=tr4Mom+pq4Mom; |
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| 292 | G4double nTM2=newTarg4M.m2(); |
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| 293 | G4double ntM=sqrt(nTM2); |
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| 294 | //newTarg4M=tr4Mom+pq4Mom; |
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| 295 | //nTM2=newTarg4M.m2(); |
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| 296 | //ntM=sqrt(nTM2); |
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| 297 | #ifdef pdebug |
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| 298 | G4cout<<"G4QStr::C: ntM="<<ntM<<" <? tM="<<tM<<"+mPi0="<<mPi0<<" = "<<tM+mPi0<<G4endl; |
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| 299 | #endif |
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| 300 | if(ntM<tM+mPi0 && !pcorFl) // The target is under min mass (@@ InFut put another cut@@) |
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| 301 | { |
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| 302 | // Turn the projectile quark-parton to the target rsidual in CMS of the Projectile |
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| 303 | G4LorentzVector pqc4M=pq4Mom; // projectileQuark => projCM system <step1> |
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| 304 | pqc4M.boost(projRBoost); // projectileQuark => projCM system <step2> |
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| 305 | G4double valk=pqc4M.e(); // Momentum of the target quark in projCM |
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| 306 | //#ifdef pdebug |
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| 307 | G4double dvalk=valk-pqc4M.rho(); |
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| 308 | if(fabs(dvalk)>.00001) G4cout<<"***kt***G4QS::C:vk="<<valk<<",dvk="<<dvalk<<G4endl; |
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| 309 | //#endif |
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| 310 | G4double dmas=tM2-tr4Mom.m2(); // Difference of squared masses (targ - targRes) |
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| 311 | G4LorentzVector trc4M=tr4Mom; // targetResidual => projCM system <step1> |
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| 312 | trc4M.boost(projRBoost); // targetResidual => projCM system <step2> |
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| 313 | G4double vale=trc4M.e(); // Energy of the targetResidual in projCM |
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| 314 | G4ThreeVector tr=trc4M.v(); // 3-mom of the targetResidual in projCM |
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| 315 | G4double valp=tr.mag(); // momentum of the targetResidual in projCM |
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| 316 | if(fabs(dmas-tM2+trc4M.m2())>.1) G4cout<<"**t**G4QS::C: trM2="<<tr4Mom.m2()<<"=" |
---|
| 317 | <<trc4M.m2()<<","<<vale*vale-valp*valp<<G4endl; |
---|
| 318 | G4ThreeVector utr=tr/valp; // Unit vector in the tr direction in projCM |
---|
| 319 | G4double cost=-(dmas/(valk+valk)-vale)/valp; // Initial cos(theta) |
---|
| 320 | if(fabs(cost)>1.) |
---|
| 321 | { |
---|
| 322 | #ifdef pdebug |
---|
| 323 | G4cout<<"***t***>>>G4QS::C: cost="<<cost<<G4endl; |
---|
| 324 | #endif |
---|
| 325 | // Get max value of |cos(theta)| and change pq value to get the tM on mass shell |
---|
| 326 | if(cost>0.) // --->>> cost>0. |
---|
| 327 | { |
---|
| 328 | valk=dmas/(vale-valp)/2; // Momentum is too big (must be reduced) |
---|
| 329 | G4ThreeVector pqf=utr*valk; // final projectileQuark 3-vector |
---|
| 330 | G4LorentzVector pqc4M(valk,pqf); // Fill new 4-mom for projectileQuark in CM |
---|
| 331 | pq4Mom=pqc4M; // <step1> // Fill new 4-mom for projectileQuark in LS |
---|
| 332 | pq4Mom.boost(projBoost); // <step2> // Fill new 4-mom for projectileQuark in LS |
---|
| 333 | G4LorentzVector prc4M(pM-valk,-pqf); // Fill new 4-mom for projectResidual in CM |
---|
| 334 | pr4Mom=prc4M; // <step1> // Fill new 4-mom for projectResidual in LS |
---|
| 335 | pr4Mom.boost(projBoost); // <step2> // Fill new 4-mom for projectResidual in LS |
---|
| 336 | newTarg4M=pq4Mom+tr4Mom; // Final Target 4-mom in LS |
---|
| 337 | } |
---|
| 338 | else // --->>> cost<-1 => cost=-1 |
---|
| 339 | { |
---|
| 340 | G4double hvalk=dmas/(vale+valp); // Momentum's too small (must be increased, LIM) |
---|
| 341 | if(hvalk>pM) // Momentum can not be increased to this value |
---|
| 342 | { |
---|
| 343 | #ifdef pdebug |
---|
| 344 | G4cout<<"**t-Cor**>G4QS::C: hvalk="<<hvalk<<" > pM="<<pM<<", dm="<<dmas<<", e=" |
---|
| 345 | <<vale<<", p="<<valp<<", ct="<<cost<<G4endl; |
---|
| 346 | #endif |
---|
| 347 | // Put the scatteredProjectile on the massShell, rescatter the targetQuark (LS) |
---|
| 348 | G4LorentzVector tmpTarg4M=newTarg4M+tq4Mom; // TempCriticalCompound for Target |
---|
| 349 | newTarg4M=G4LorentzVector(0.,0.,0.,tM); // New Target is on the mass shell |
---|
| 350 | G4QHadron tmpHadron(tmpTarg4M); // Create a CompHadron for decay |
---|
| 351 | tq4Mom=G4LorentzVector(0.,0.,0.,0.); // NewTargParton on lightMassShell |
---|
| 352 | tmpBl=tmpHadron.DecayIn2(newTarg4M,tq4Mom); // Decay the Compound in newTarg+tQ |
---|
| 353 | if(!tmpBl)G4cout<<"G4QS::C:DecIn2-err "<<sqrt(tmpTarg4M.m2())<<"<"<<tM<<G4endl; |
---|
| 354 | } |
---|
| 355 | else |
---|
| 356 | { |
---|
| 357 | #ifdef pdebug |
---|
| 358 | G4cout<<"***---***>G4QS::C: hvalk="<<hvalk<<" < pM="<<pM<<G4endl; |
---|
| 359 | #endif |
---|
| 360 | valk=hvalk/2; // Momentum is too small (mustBeIncreased) |
---|
| 361 | G4ThreeVector pqf=utr*(-valk); // Final projectileQuark 3-vector in CM |
---|
| 362 | G4LorentzVector pqc4M(valk,pqf); // Fill new 4-mom for projectQuark in CM |
---|
| 363 | pq4Mom=pqc4M; // <step1> // Fill new 4-mom for projectQuark in LS |
---|
| 364 | pq4Mom.boost(projBoost); // <step1> // Fill new 4-mom for projectQuark in LS |
---|
| 365 | G4LorentzVector nTc4M=pqc4M+trc4M; |
---|
| 366 | #ifdef pdebug |
---|
| 367 | G4cout<<"G4QS::C:After Boost="<<projBoost<<G4endl; |
---|
| 368 | G4cout<<"G4QS::C:Aft: q="<<pqc4M<<pqc4M.m2()<<",t="<<nTc4M<<nTc4M.m2()<<G4endl; |
---|
| 369 | G4cout<<"G4QS::C:E="<<nTc4M.e()<<" = q="<<pqc4M.e()<<"="<<valk<<" + r="<< |
---|
| 370 | trc4M.e()<<"="<<vale<<" = "<<pqc4M.e()+trc4M.e()<<",c="<<pq4Mom<<G4endl; |
---|
| 371 | if(fabs(nTc4M.m()-tM)>.0001) G4cout<<"*G4QS::C:"<<nTc4M.m()<<"!="<<tM<<G4endl; |
---|
| 372 | G4double pp=pqf.dot(tr); // trc3M*pqc=-valk*valp |
---|
| 373 | G4double ee=vale*valk; |
---|
| 374 | G4cout<<"G4QS::C:tM2="<<tM2<<"="<<tM*tM<<",pp="<<pp*2<<"="<<-valk*valp*2<<",d=" |
---|
| 375 | <<ee-pp<<"="<<dmas<<"="<<(tM2-trc4M.m2())<<",u="<<utr.dot(utr)<<G4endl; |
---|
| 376 | G4double sen=nTc4M.e(); |
---|
| 377 | G4double smo=nTc4M.rho(); |
---|
| 378 | G4cout<<"G4QS::C:qM2="<<pqc4M.m2()<<",rM2="<<trc4M.m2()<<",E="<<sen<<"="<< |
---|
| 379 | vale+valk<<",P="<<smo<<"="<<valp-valk<<",M="<<sqrt(sen*sen-smo*smo)<<G4endl; |
---|
| 380 | #endif |
---|
| 381 | G4LorentzVector prc4M(pM-valk,-pqf); // Fill new 4-mom for projectResid in CM |
---|
| 382 | pr4Mom=prc4M; // <step1> // Fill new 4-mom for projectResid in LS |
---|
| 383 | pr4Mom.boost(projBoost); // <step2> // Fill new 4-mom for projectResid in LS |
---|
| 384 | newTarg4M=pq4Mom+tr4Mom; |
---|
| 385 | } |
---|
| 386 | } |
---|
| 387 | if(fabs(newTarg4M.m()-tM)>.0001) |
---|
| 388 | G4cout<<"******************************G4QS::C:"<<newTarg4M.m()<<"="<<pM<<G4endl; |
---|
| 389 | } |
---|
| 390 | else // -1<cos(theta)<1 - only rotate the projQ |
---|
| 391 | { |
---|
| 392 | // Turn the projectile quark-parton to the target residual in CMS of the Projectile |
---|
| 393 | #ifdef pdebug |
---|
| 394 | G4cout<<"---t--->>>G4QS::C: cost="<<cost<<G4endl; |
---|
| 395 | #endif |
---|
| 396 | G4LorentzVector prc4M=pr4Mom; // projectileQuark => projCM system <step1> |
---|
| 397 | prc4M.boost(projRBoost); // projectileQuark => projCM system <step2> |
---|
| 398 | G4ThreeVector pq=pqc4M.v(); // 3-vector of the projQ in projCM |
---|
| 399 | G4double pqlp=utr.dot(pq); // Projection of pq on the target in projCM |
---|
| 400 | G4ThreeVector pql=utr*pqlp; // pq part along pr |
---|
| 401 | G4ThreeVector pqt=pq-pql; // pq part perpendicular to tr in projCM |
---|
| 402 | G4double cosi=pqlp/valk; // Initial cos(theta) |
---|
| 403 | G4ThreeVector pqlf=pql*(cost/cosi); // final pq part along tr |
---|
| 404 | G4double sini=sqrt(1.-cosi*cosi); // Initial sin(theta) |
---|
| 405 | G4double sint=sqrt(1.-cost*cost); // Desired sin(theta) |
---|
| 406 | G4ThreeVector pqpf=pqt*(sint/sini); // final pq part perpendicular tr |
---|
| 407 | G4ThreeVector pqf=pqlf+pqpf; // final pq |
---|
| 408 | pqc4M.setV(pqf); // Change the momentumDirection of projQ(CM) |
---|
| 409 | pq4Mom=pqc4M; // Fill new 4-mom for projQuark in LS<step1> |
---|
| 410 | pq4Mom.boost(projBoost); // Fill new 4-mom for projQuark in LS<step2> |
---|
| 411 | prc4M.setV(-pqf); // Change the momentumDirection of projR(CM) |
---|
| 412 | #ifdef pdebug |
---|
| 413 | G4LorentzVector nT4M=pqc4M+trc4M; |
---|
| 414 | if(fabs(nT4M.m()-tM)>.001)G4cout<<"****t****G4QS::C:M="<<nT4M.m()<<"="<<tM<<G4endl; |
---|
| 415 | #endif |
---|
| 416 | pr4Mom=prc4M; // <step1> // Fill new 4-mom for projResidual in LS |
---|
| 417 | pr4Mom.boost(projBoost); // <step2> // Fill new 4-mom for projResidual in LS |
---|
| 418 | if(fabs(pqf.mag()-valk)>.0001)G4cout<<"*G4QS::C:||="<<pqf.mag()<<"="<<valk<<G4endl; |
---|
| 419 | newTarg4M=pq4Mom+tr4Mom; |
---|
| 420 | if(fabs(newTarg4M.m()-tM)>.001)G4cout<<"*G4QS::C:"<<newTarg4M.m()<<"="<<tM<<G4endl; |
---|
| 421 | } |
---|
| 422 | #ifdef pdebug |
---|
| 423 | G4cout<<"G4QStr::C: Targ under GS, newT4M="<<newTarg4M<<", tq4M="<<tq4Mom<<G4endl; |
---|
| 424 | #endif |
---|
| 425 | tcorFl=true; // Target is on the GS mass shell |
---|
| 426 | newProj4M=pr4Mom+tq4Mom; // Recalculate the Projectile (!) |
---|
| 427 | nPM2=newProj4M.m2(); |
---|
| 428 | npM=sqrt(nPM2); |
---|
| 429 | #ifdef pdebug |
---|
| 430 | G4cout<<"G4QStr::C:npM="<<npM<<" <? pM="<<pM<<"+mPi0="<<mPi0<<" = "<<pM+mPi0<<G4endl; |
---|
| 431 | #endif |
---|
| 432 | if(npM<pM+mPi0) elasFl=true; // Force elastic scattering (@@InFut putAnotherCut@@) |
---|
| 433 | } |
---|
| 434 | else if(ntM<tM+mPi0) elasFl=true; // Force elastScattering (@@InFut put another cut@@) |
---|
| 435 | if(elasFl) // Ellastic scattering happened |
---|
| 436 | { |
---|
| 437 | // **** Put the hadrons on the mass shell conserving the CMS scattering angle **** |
---|
| 438 | G4LorentzVector theTot4M=theProj4Mom+theTarg4Mom;// 4-momentum of CMS of "targ+proj" |
---|
| 439 | G4ThreeVector cmsBoost = theTot4M.boostVector(); // CMS Boost Vector "CMS to LS" |
---|
| 440 | G4ThreeVector cmsRBoost= -cmsBoost; // CMS Boost Vector "LS to CMS" |
---|
| 441 | G4LorentzVector cmsProj4M=theProj4Mom; // LS projectile => CMS <step1> |
---|
| 442 | cmsProj4M.boost(cmsRBoost); // LS projectile => CMS <step2> |
---|
| 443 | G4LorentzVector cmsTarg4M=theTarg4Mom; // LS target => CMS <step1> |
---|
| 444 | cmsTarg4M.boost(cmsRBoost); // LS target => CMS <step2> |
---|
| 445 | G4double pcm=cmsProj4M.rho(); // CMS momentum for the elastic scattering |
---|
| 446 | //#ifdef pdebug |
---|
| 447 | if(fabs(cmsTarg4M.rho()-pcm) > 0.0001) |
---|
| 448 | G4cout<<"-Worning-G4QSplitter::Constr: P="<<cmsTarg4M.rho()<<"#"<<pcm<<G4endl; |
---|
| 449 | //#endif |
---|
| 450 | G4LorentzVector cmsNewPr4M=newProj4M; // LS finalProj => CMS <step1> |
---|
| 451 | cmsNewPr4M.boost(cmsRBoost); // LS finalProj => CMS <step2> |
---|
| 452 | G4ThreeVector puV=cmsNewPr4M.v()/cmsNewPr4M.rho(); // Direction of the projectile |
---|
| 453 | //#ifdef pdebug |
---|
| 454 | G4LorentzVector cmsNewTg4M=newTarg4M; // LS finalTarg => CMS <step1> @@ TMP |
---|
| 455 | cmsNewTg4M.boost(cmsRBoost); // LS finalTarg => CMS <step2> @@ TMP |
---|
| 456 | G4ThreeVector tuV=cmsNewTg4M.v()/cmsNewTg4M.rho(); // Direction of the projectile |
---|
| 457 | if(1.+puV.dot(tuV) > 0.001) |
---|
| 458 | G4cout<<"-Worning-G4QSplitter::Constr: ct="<<puV.dot(tuV)<<G4endl; |
---|
| 459 | //#endif |
---|
| 460 | cmsProj4M.setV(puV*pcm); |
---|
| 461 | newProj4M=cmsProj4M; |
---|
| 462 | newProj4M.boost(cmsBoost); // CMS FinalProjectile => LS <step2> |
---|
| 463 | G4QHadron* projH = new G4QHadron(projHadron); // Prototype of the Projectile Hadron |
---|
| 464 | projH->Set4Momentum(newProj4M); |
---|
| 465 | theQHadrons.push_back(projH); // Fill theProjectileHadron(delete equivalent) |
---|
| 466 | #ifdef pdebug |
---|
| 467 | G4cout<<"G4QSplitter::Constr: Fill ElastProjH="<<projQPDG<<newProj4M<<G4endl; |
---|
| 468 | #endif |
---|
| 469 | cmsTarg4M.setV(puV*(-pcm)); |
---|
| 470 | newTarg4M=cmsTarg4M; |
---|
| 471 | newTarg4M.boost(cmsBoost); // CMS FinalTarget => LS <step2> |
---|
| 472 | G4QHadron* targH = new G4QHadron(targQPDG,newTarg4M); // Prototype of theTargetHadron |
---|
| 473 | theQHadrons.push_back(targH); // Fill the Target Hadron (delete equivalent) |
---|
| 474 | #ifdef pdebug |
---|
| 475 | G4cout<<"G4QSplitter::Constr: Fill ElastTargH="<<targQPDG<<newTarg4M<<G4endl; |
---|
| 476 | #endif |
---|
| 477 | } |
---|
| 478 | else |
---|
| 479 | { |
---|
| 480 | // Inelastic scattering: one or both hadrons are excited (charge exchange is not in). |
---|
| 481 | if(pcorFl) // Projectile is on the mass shell |
---|
| 482 | { |
---|
| 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 | G4Quasmon* targQ = new G4Quasmon(targQPDG.GetQuarkContent(),newTarg4M); |
---|
| 487 | theQuasmons.push_back(targQ); // Insert Projectile Quasmon (delete equival.) |
---|
| 488 | } |
---|
| 489 | if(tcorFl) // Target is on the mass shell |
---|
| 490 | { |
---|
| 491 | G4Quasmon* projQ = new G4Quasmon(projHadron.GetQC(),newProj4M); |
---|
| 492 | theQuasmons.push_back(projQ); // Insert Projectile Quasmon (delete equival.) |
---|
| 493 | G4QHadron* targH = new G4QHadron(targQPDG,newTarg4M);//Prototype of theTargetHadron |
---|
| 494 | theQHadrons.push_back(targH); // Fill the Target Hadron (delete equivalent) |
---|
| 495 | } |
---|
| 496 | else // Both are excited (two Quasmons only) |
---|
| 497 | { |
---|
| 498 | G4Quasmon* projQ = new G4Quasmon(projHadron.GetQC(),newProj4M); |
---|
| 499 | theQuasmons.push_back(projQ); // Insert Projectile Quasmon (delete equival.) |
---|
| 500 | G4Quasmon* targQ = new G4Quasmon(targQPDG.GetQuarkContent(),newTarg4M); |
---|
| 501 | theQuasmons.push_back(targQ); // Insert Projectile Quasmon (delete equival.) |
---|
| 502 | } |
---|
| 503 | } |
---|
| 504 | } |
---|
| 505 | else G4cout<<"-Wor-G4QSplitter::Constr:T="<<targFl<<" or P="<<projFl<<" err"<<G4endl; |
---|
| 506 | #ifdef pdebug |
---|
| 507 | G4cout<<"G4QSplitter::Constructor: *** End of Constructor ***, elF="<<elasFl<<G4endl; |
---|
| 508 | #endif |
---|
| 509 | // This is the first Check of the control values -- @@ Must be remade @@ -- |
---|
| 510 | #ifdef chdebug |
---|
| 511 | G4int finCharge=0; |
---|
| 512 | G4int finBaryoN=0; |
---|
| 513 | G4int nHad=theQHadrons.size(); |
---|
| 514 | if(nHad) for(G4int ih=0; ih<nHad; ih++) |
---|
| 515 | { |
---|
| 516 | finCharge+=theQHadrons[ih]->GetCharge(); |
---|
| 517 | finBaryoN+=theQHadrons[ih]->GetBaryonNumber(); |
---|
| 518 | } |
---|
| 519 | G4int nQuas=theQuasmons.size(); |
---|
| 520 | if(nQuas) for(G4int iq=0; iq<nQuas; iq++) |
---|
| 521 | { |
---|
| 522 | finCharge+=theQuasmons[iq]->GetCharge(); |
---|
| 523 | finBaryoN+=theQuasmons[iq]->GetBaryonNumber(); |
---|
| 524 | } |
---|
| 525 | G4cout<<"G4QStr::C:nH="<<nHad<<",nQ="<<nQuas<<",C="<<finCharge<<",B="<<finBaryoN<<G4endl; |
---|
| 526 | if(finCharge!=totCharge || finBaryoN!=totBaryNum) |
---|
| 527 | { |
---|
| 528 | G4cerr<<"***G4QStr::C:tC="<<totCharge<<",C="<<finCharge<<",tB="<<totBaryNum |
---|
| 529 | <<",B="<<finBaryoN<<G4endl; |
---|
| 530 | if(nHad) for(G4int h=0; h<nHad; h++) |
---|
| 531 | { |
---|
| 532 | G4QHadron* cH = theQHadrons[h]; |
---|
| 533 | G4cerr<<"::G4QS::C:h#"<<h<<",QC="<<cH->GetQC()<<",PDG="<<cH->GetPDGCode()<<G4endl; |
---|
| 534 | } |
---|
| 535 | if(nQuas) for(G4int q=0; q<nQuas; q++) |
---|
| 536 | { |
---|
| 537 | G4Quasmon* cQ = theQuasmons[q]; |
---|
| 538 | G4cerr<<"::G4QS::C:q#"<<q<<",C="<<cQ->GetCharge()<<",QuarkCon="<<cQ->GetQC()<<G4endl; |
---|
| 539 | } |
---|
| 540 | } |
---|
| 541 | #endif |
---|
| 542 | } // End of the G4QSplitter constructor |
---|
| 543 | |
---|
| 544 | G4QSplitter::G4QSplitter(const G4QSplitter &right) |
---|
| 545 | { |
---|
| 546 | // theQuasmons (Vector) |
---|
| 547 | G4int nQ = right.theQuasmons.size(); |
---|
| 548 | if(nQ) for(G4int iq=0; iq<nQ; iq++) |
---|
| 549 | { |
---|
| 550 | G4Quasmon* curQ = new G4Quasmon(right.theQuasmons[iq]); |
---|
| 551 | #ifdef fdebug |
---|
| 552 | G4cout<<"G4QS::CopyByVal:Q#"<<iq<<","<<curQ->GetQC()<<curQ->Get4Momentum()<<G4endl; |
---|
| 553 | #endif |
---|
| 554 | theQuasmons.push_back(curQ); // (delete equivalent) |
---|
| 555 | } |
---|
| 556 | theProjEnvFlag = right.theProjEnvFlag; |
---|
| 557 | theTargEnvFlag = right.theTargEnvFlag; |
---|
| 558 | theWeight = right.theWeight; |
---|
| 559 | theProjQC = right.theProjQC; |
---|
| 560 | theTargQC = right.theTargQC; |
---|
| 561 | theProj4Mom = right.theProj4Mom; |
---|
| 562 | theTarg4Mom = right.theTarg4Mom; |
---|
| 563 | |
---|
| 564 | theWorld = right.theWorld; |
---|
| 565 | tot4Mom = right.tot4Mom; |
---|
| 566 | totCharge = right.totCharge; |
---|
| 567 | totBaryNum = right.totBaryNum; |
---|
| 568 | } |
---|
| 569 | |
---|
| 570 | const G4QSplitter& G4QSplitter::operator=(const G4QSplitter &right) |
---|
| 571 | {// ======================================================================== |
---|
| 572 | if(this != &right) // Beware of self assignment |
---|
| 573 | { |
---|
| 574 | // theQuasmons (Vector) |
---|
| 575 | G4int iQ = theQuasmons.size(); |
---|
| 576 | if(iQ) for(G4int jq=0; jq<iQ; jq++) delete theQuasmons[jq]; |
---|
| 577 | theQuasmons.clear(); |
---|
| 578 | G4int nQ = right.theQuasmons.size(); |
---|
| 579 | if(nQ) for(G4int iq=0; iq<nQ; iq++) |
---|
| 580 | { |
---|
| 581 | G4Quasmon* curQ = new G4Quasmon(right.theQuasmons[iq]); |
---|
| 582 | #ifdef fdebug |
---|
| 583 | G4cout<<"G4QS::CopyByVal:Q#"<<iq<<","<<curQ->GetQC()<<curQ->Get4Momentum()<<G4endl; |
---|
| 584 | #endif |
---|
| 585 | theQuasmons.push_back(curQ); // (delete equivalent) |
---|
| 586 | } |
---|
| 587 | theProjEnvFlag = right.theProjEnvFlag; |
---|
| 588 | theTargEnvFlag = right.theTargEnvFlag; |
---|
| 589 | theWeight = right.theWeight; |
---|
| 590 | theProjQC = right.theProjQC; |
---|
| 591 | theTargQC = right.theTargQC; |
---|
| 592 | theProj4Mom = right.theProj4Mom; |
---|
| 593 | theTarg4Mom = right.theTarg4Mom; |
---|
| 594 | |
---|
| 595 | theWorld = right.theWorld; |
---|
| 596 | tot4Mom = right.tot4Mom; |
---|
| 597 | totCharge = right.totCharge; |
---|
| 598 | totBaryNum = right.totBaryNum; |
---|
| 599 | } |
---|
| 600 | return *this; |
---|
| 601 | } |
---|
| 602 | |
---|
| 603 | G4QSplitter::G4QSplitter(G4QSplitter* right) |
---|
| 604 | { |
---|
| 605 | // theQuasmons (Vector) |
---|
| 606 | G4int nQ = right->theQuasmons.size(); |
---|
| 607 | if(nQ) for(G4int iq=0; iq<nQ; iq++) |
---|
| 608 | { |
---|
| 609 | G4Quasmon* curQ = new G4Quasmon(right->theQuasmons[iq]); |
---|
| 610 | #ifdef fdebug |
---|
| 611 | G4cout<<"G4QS::CopyByPoint:Q#"<<iq<<","<<curQ->GetQC()<<curQ->Get4Momentum()<<G4endl; |
---|
| 612 | #endif |
---|
| 613 | theQuasmons.push_back(curQ); // (delete equivalent) |
---|
| 614 | } |
---|
| 615 | theProjEnvFlag = right->theProjEnvFlag; |
---|
| 616 | theTargEnvFlag = right->theTargEnvFlag; |
---|
| 617 | theWeight = right->theWeight; |
---|
| 618 | theProjQC = right->theProjQC; |
---|
| 619 | theTargQC = right->theTargQC; |
---|
| 620 | theProj4Mom = right->theProj4Mom; |
---|
| 621 | theTarg4Mom = right->theTarg4Mom; |
---|
| 622 | |
---|
| 623 | theWorld = right->theWorld; |
---|
| 624 | tot4Mom = right->tot4Mom; |
---|
| 625 | totCharge = right->totCharge; |
---|
| 626 | totBaryNum = right->totBaryNum; |
---|
| 627 | } |
---|
| 628 | |
---|
| 629 | G4QSplitter::~G4QSplitter() |
---|
| 630 | { |
---|
| 631 | #ifdef debug |
---|
| 632 | G4cout<<"~G4QSplitter: before theQHadrons nH="<<theQHadrons.size()<<G4endl; |
---|
| 633 | #endif |
---|
| 634 | for_each(theQHadrons.begin(), theQHadrons.end(), DeleteQHadron()); |
---|
| 635 | #ifdef debug |
---|
| 636 | G4cout<<"~G4QSplitter: before theQuasmons nQ="<<theQuasmons.size()<<G4endl; |
---|
| 637 | #endif |
---|
| 638 | for_each(theQuasmons.begin(), theQuasmons.end(), DeleteQuasmon()); |
---|
| 639 | #ifdef debug |
---|
| 640 | G4cout<<"~G4QSplitter: === DONE ==="<<G4endl; |
---|
| 641 | #endif |
---|
| 642 | } |
---|
| 643 | |
---|
| 644 | // ================== Initialization of Static Parameters ============ |
---|
| 645 | //G4double G4QSplitter::StParName=0.; // Static Parameter (Example) |
---|
| 646 | //G4bool G4QSplitter::stFlag=false; // Static Flag (Example) |
---|
| 647 | |
---|
| 648 | // Fill the private static parameters |
---|
| 649 | //void G4QSplitter::SetParameters(G4double aStPar, G4bool aStFlag) |
---|
| 650 | //{// ==================================================================================== |
---|
| 651 | // StParName=aStPar; // (Example) |
---|
| 652 | // stFlag=aStFlag; // (Example) |
---|
| 653 | //} |
---|
| 654 | |
---|
| 655 | |
---|
| 656 | //The public Hadronisation function with the Exception treatment (del respons. of User !) |
---|
| 657 | G4QHadronVector* G4QSplitter::Fragment() |
---|
| 658 | {// ========================== -- @@ Must be changed @@ -- |
---|
| 659 | // Make the final check before filling the output -- @@ Must be changed @@ -- |
---|
| 660 | #ifdef chdebug |
---|
| 661 | G4int fCharge=0; |
---|
| 662 | G4int fBaryoN=0; |
---|
| 663 | G4int nHad=theQHadrons.size(); |
---|
| 664 | if(nHad) for(G4int ih=0; ih<nHad; ih++) |
---|
| 665 | { |
---|
| 666 | fCharge+=theQHadrons[ih]->GetCharge(); |
---|
| 667 | fBaryoN+=theQHadrons[ih]->GetBaryonNumber(); |
---|
| 668 | } |
---|
| 669 | G4int nQuas=theQuasmons.size(); |
---|
| 670 | if(nQuas)for(G4int iqs=0; iqs<nQuas; iqs++) |
---|
| 671 | { |
---|
| 672 | fCharge+=theQuasmons[iqs]->GetCharge(); |
---|
| 673 | fBaryoN+=theQuasmons[iqs]->GetBaryonNumber(); |
---|
| 674 | } |
---|
| 675 | if(fCharge!=totCharge || fBaryoN!=totBaryNum) |
---|
| 676 | { |
---|
| 677 | G4cerr<<"***G4QS::Frag:tC="<<totCharge<<",C="<<fCharge<<",tB="<<totBaryNum |
---|
| 678 | <<",B="<<fBaryoN<<G4endl; |
---|
| 679 | if(nHad) for(G4int h=0; h<nHad; h++) |
---|
| 680 | { |
---|
| 681 | G4QHadron* cH = theQHadrons[h]; |
---|
| 682 | G4cerr<<":G4QS::HQ:h#"<<h<<",QC="<<cH->GetQC()<<",PDG="<<cH->GetPDGCode()<<G4endl; |
---|
| 683 | } |
---|
| 684 | if(nQuas) for(G4int q=0; q<nQuas; q++) |
---|
| 685 | { |
---|
| 686 | G4Quasmon* cQ = theQuasmons[q]; |
---|
| 687 | G4cerr<<":G4QS::HQ:q#"<<q<<",C="<<cQ->GetCharge()<<",QCont="<<cQ->GetQC()<<G4endl; |
---|
| 688 | } |
---|
| 689 | } |
---|
| 690 | #endif |
---|
| 691 | G4QHadronVector dummy; // Prototype of the output G4QuasmonVector to avoid wornings |
---|
| 692 | G4QHadronVector* finalQHadrons = &dummy; // Prototype of the output G4QuasmonVector |
---|
| 693 | G4int nH = theQHadrons.size(); |
---|
| 694 | if(nH) |
---|
| 695 | { |
---|
| 696 | for(G4int ih=0; ih<nH; ih++) |
---|
| 697 | { |
---|
| 698 | G4QHadron* curH = new G4QHadron(theQHadrons[ih]); |
---|
| 699 | finalQHadrons->push_back(curH); // deleted after the "while LOOP" |
---|
| 700 | } |
---|
| 701 | } |
---|
| 702 | for_each(theQuasmons.begin(),theQuasmons.end(),DeleteQuasmon()); //CleanUp Quasm's |
---|
| 703 | theQuasmons.clear(); |
---|
| 704 | return finalQHadrons; |
---|
| 705 | } // End of the Fragmentation member function |
---|
| 706 | |
---|
| 707 | //The public extraction of the number of the created (in Constructor) G4QHadrons |
---|
| 708 | G4int G4QSplitter::GetNOfHadrons() {return theQHadrons.size();} |
---|
| 709 | |
---|
| 710 | //The public extraction of the number of the created (in Constructor) G4Quasmons |
---|
| 711 | G4int G4QSplitter::GetNOfQuasmons() {return theQuasmons.size();} |
---|
| 712 | |
---|
| 713 | //The public extraction of the projectile environment flag ("true" - exists) |
---|
| 714 | G4bool G4QSplitter::GetProjEnvFlag() {return theProjEnvFlag;} |
---|
| 715 | |
---|
| 716 | //The public extraction of the target environment flag ("true" - exists) |
---|
| 717 | G4bool G4QSplitter::GetTargEnvFlag() {return theTargEnvFlag;} |
---|
| 718 | |
---|
| 719 | //The public Quasmons duplication with delete responsibility of User (!) |
---|
| 720 | G4QuasmonVector* G4QSplitter::GetQuasmons() |
---|
| 721 | {// ============================== |
---|
| 722 | G4int nQ=theQuasmons.size(); |
---|
| 723 | #ifdef pdebug |
---|
| 724 | G4cout<<"G4QSplitter::GetQuasmons is called nQ="<<nQ<<G4endl; |
---|
| 725 | #endif |
---|
| 726 | G4QuasmonVector* quasmons = new G4QuasmonVector; // Intermediate |
---|
| 727 | if(nQ) for(G4int iq=0; iq<nQ; iq++) |
---|
| 728 | { |
---|
| 729 | #ifdef pdebug |
---|
| 730 | G4cout<<"G4QStr::GetQuasmons:Q#"<<iq<<",QPDG="<<theQuasmons[iq]->GetQPDG()<<",QQC=" |
---|
| 731 | <<theQuasmons[iq]->GetQC()<<",Q4M="<<theQuasmons[iq]->Get4Momentum()<<G4endl; |
---|
| 732 | #endif |
---|
| 733 | if(theQuasmons[iq]->GetStatus()) |
---|
| 734 | { |
---|
| 735 | G4Quasmon* curQ = new G4Quasmon(theQuasmons[iq]); |
---|
| 736 | quasmons->push_back(curQ); // (del. equiv. - user is responsibile) |
---|
| 737 | } |
---|
| 738 | } |
---|
| 739 | #ifdef pdebug |
---|
| 740 | G4cout<<"G4QSplitter::GetQuasmons ===OUT==="<<G4endl; |
---|
| 741 | #endif |
---|
| 742 | return quasmons; |
---|
| 743 | } // End of GetQuasmons |
---|
| 744 | |
---|
| 745 | //The public Quasmons duplication with delete responsibility of User (!) |
---|
| 746 | G4QHadronVector* G4QSplitter::GetHadrons() |
---|
| 747 | {// ============================= |
---|
| 748 | G4int nH=theQHadrons.size(); |
---|
| 749 | #ifdef pdebug |
---|
| 750 | G4cout<<"G4QSplitter::GetHadrons is called nH="<<nH<<G4endl; |
---|
| 751 | #endif |
---|
| 752 | G4QHadronVector* hadrons = new G4QHadronVector; // Intermediate |
---|
| 753 | if(nH) for(G4int ih=0; ih<nH; ih++) |
---|
| 754 | { |
---|
| 755 | #ifdef pdebug |
---|
| 756 | G4cout<<"G4QStr::GetHadrons: H#"<<ih<<",QPDG="<<theQHadrons[ih]->GetQPDG()<<",QQC=" |
---|
| 757 | <<theQHadrons[ih]->GetQC()<<",H_Mass="<<theQHadrons[ih]->GetMass()<<G4endl; |
---|
| 758 | #endif |
---|
| 759 | if(!theQHadrons[ih]->GetNFragments()) |
---|
| 760 | { |
---|
| 761 | G4QHadron* curH = new G4QHadron(theQHadrons[ih]); |
---|
| 762 | hadrons->push_back(curH); // (del. equiv. - user is responsibile) |
---|
| 763 | } |
---|
| 764 | } |
---|
| 765 | #ifdef pdebug |
---|
| 766 | G4cout<<"G4QSplitter::GetHadrons ===OUT==="<<G4endl; |
---|
| 767 | #endif |
---|
| 768 | return hadrons; |
---|
| 769 | } // End of GetHadrons |
---|
| 770 | |
---|
| 771 | // Randomize the momentum fraction for the CHIPS of nPart free partons [x*(1-x)^(n-2)] |
---|
| 772 | G4double G4QSplitter::RandomizeMomFractionFree(G4int nPart) |
---|
| 773 | {// ============================================== |
---|
| 774 | // @@ TMP --- Begin --- |
---|
| 775 | if(2>1) |
---|
| 776 | { |
---|
| 777 | if(nPart<2) |
---|
| 778 | { |
---|
| 779 | G4cerr<<"**G4QSplitter::RandMomFractionString: n="<<nPart<<" < 2, retun 0"<<G4endl; |
---|
| 780 | return 0.; |
---|
| 781 | } |
---|
| 782 | G4double x=0.5; |
---|
| 783 | if(nPart==2) return x; // GS meson |
---|
| 784 | G4double r=G4UniformRand(); |
---|
| 785 | if(r==0.) return 0.; |
---|
| 786 | if(r==1.) return 1.; |
---|
| 787 | if (nPart==3) x=r; // GS baryon |
---|
| 788 | else if(nPart==4) x=1.-sqrt(r); // GS quaternion |
---|
| 789 | else x=1.-pow(r,1./(nPart-2.)); // nPart>4 |
---|
| 790 | return x; |
---|
| 791 | } |
---|
| 792 | //if(nPart!=3) G4cerr<<"*>>>>>*G4QSplitter::RandMomFractionFree: n="<<nPart<<G4endl; |
---|
| 793 | // @@ TMP --- End --- |
---|
| 794 | if(nPart<2) |
---|
| 795 | { |
---|
| 796 | G4cerr<<"**G4QSplitter::RandMomFractionFree: n="<<nPart<<" < 2, retun 0."<<G4endl; |
---|
| 797 | return 0.; |
---|
| 798 | } |
---|
| 799 | G4double x=0.5; |
---|
| 800 | if(nPart==2) return x; // GS meson |
---|
| 801 | G4double r=G4UniformRand(); |
---|
| 802 | if(r==0.) return 0.; |
---|
| 803 | if(r==1.) return 1.; |
---|
| 804 | if(nPart==3) x=sqrt(r); // GS baryon |
---|
| 805 | else if(nPart==4) // GS quaternion |
---|
| 806 | { |
---|
| 807 | if (r==0.5) x=0.5; |
---|
| 808 | else if(r<0.5) x=sqrt(r+r)*(.5+.1579*(r-.5)); |
---|
| 809 | else x=1.-sqrt(2.-r-r)*(.5+.1579*(.5-r)); |
---|
| 810 | } |
---|
| 811 | else |
---|
| 812 | { |
---|
| 813 | G4int n1=nPart-2; |
---|
| 814 | G4double r1=n1; |
---|
| 815 | G4double r2=r1-1.; |
---|
| 816 | G4double rr=r2/r1; |
---|
| 817 | G4double rp=pow(rr,n1); |
---|
| 818 | G4double p2=rp+rp; |
---|
| 819 | if (r==rr) x=p2; |
---|
| 820 | else |
---|
| 821 | { |
---|
| 822 | if(r<rr) |
---|
| 823 | { |
---|
| 824 | G4double pr=0.; |
---|
| 825 | G4double pra=0.; |
---|
| 826 | if(nPart>8) |
---|
| 827 | { |
---|
| 828 | if(nPart>10) |
---|
| 829 | { |
---|
| 830 | if(nPart>11) // >11 |
---|
| 831 | { |
---|
| 832 | pr=.614/pow((nPart+1.25),.75); |
---|
| 833 | pra=.915/pow((nPart+6.7),1.75); |
---|
| 834 | } |
---|
| 835 | else // 11 |
---|
| 836 | { |
---|
| 837 | pr=.09945; |
---|
| 838 | pra=.00667; |
---|
| 839 | } |
---|
| 840 | } |
---|
| 841 | else |
---|
| 842 | { |
---|
| 843 | if(nPart>9) // 10 |
---|
| 844 | { |
---|
| 845 | pr=.1064; |
---|
| 846 | pra=.00741; |
---|
| 847 | } |
---|
| 848 | else // 9 |
---|
| 849 | { |
---|
| 850 | pr=.11425; |
---|
| 851 | pra=.00828; |
---|
| 852 | } |
---|
| 853 | } |
---|
| 854 | } |
---|
| 855 | else |
---|
| 856 | { |
---|
| 857 | if(nPart>6) |
---|
| 858 | { |
---|
| 859 | if(nPart>7) // 8 |
---|
| 860 | { |
---|
| 861 | pr=.12347; |
---|
| 862 | pra=.00926; |
---|
| 863 | } |
---|
| 864 | else // 7 |
---|
| 865 | { |
---|
| 866 | pr=.13405; |
---|
| 867 | pra=.01027; |
---|
| 868 | } |
---|
| 869 | } |
---|
| 870 | else |
---|
| 871 | { |
---|
| 872 | if(nPart>5) // 6 |
---|
| 873 | { |
---|
| 874 | pr=.1454; |
---|
| 875 | pra=.01112; |
---|
| 876 | } |
---|
| 877 | else // 5 |
---|
| 878 | { |
---|
| 879 | pr=.15765; |
---|
| 880 | pra=.00965; |
---|
| 881 | } |
---|
| 882 | } |
---|
| 883 | } |
---|
| 884 | x=pow((r/p2),(1.-rr+pra))*(rr+pr*(r-p2)); |
---|
| 885 | } |
---|
| 886 | else |
---|
| 887 | { |
---|
| 888 | G4double sr=0.; |
---|
| 889 | if(nPart>8) |
---|
| 890 | { |
---|
| 891 | if(nPart>10) |
---|
| 892 | { |
---|
| 893 | if(nPart>11) sr=.86/(nPart+1.05); // >11 |
---|
| 894 | else sr=.0774; // 11 |
---|
| 895 | } |
---|
| 896 | else |
---|
| 897 | { |
---|
| 898 | if(nPart>9) sr=.0849; // 10 |
---|
| 899 | else sr=.0938; // 9 |
---|
| 900 | } |
---|
| 901 | } |
---|
| 902 | else |
---|
| 903 | { |
---|
| 904 | if(nPart>6) |
---|
| 905 | { |
---|
| 906 | if(nPart>7) sr=.1047; // 8 |
---|
| 907 | else sr=.1179; // 7 |
---|
| 908 | } |
---|
| 909 | else |
---|
| 910 | { |
---|
| 911 | if(nPart>5) sr=.1339; // 6 |
---|
| 912 | else sr=.15135; // 5 |
---|
| 913 | } |
---|
| 914 | } |
---|
| 915 | x=1.-sqrt((1.-r)/(1.-p2))*(1.-rr+sr*(p2-r)); |
---|
| 916 | } |
---|
| 917 | } |
---|
| 918 | } |
---|
| 919 | return x; |
---|
| 920 | } // End of RandomizeMomFractionFree |
---|
| 921 | |
---|
| 922 | // Randomize MomentumFraction for CHIPS of nPart partons for Pomeron exchange [(1-x)^(n-2)] |
---|
| 923 | G4double G4QSplitter::RandomizeMomFractionString(G4int nPart) |
---|
| 924 | {// ================================================ |
---|
| 925 | if(nPart<2) |
---|
| 926 | { |
---|
| 927 | G4cerr<<"**G4QSplitter::RandMomFractionString: n="<<nPart<<" < 2, retun 0"<<G4endl; |
---|
| 928 | return 0.; |
---|
| 929 | } |
---|
| 930 | G4double x=0.5; |
---|
| 931 | if(nPart==2) return x; // GS meson |
---|
| 932 | G4double r=G4UniformRand(); |
---|
| 933 | if(r==0.) return 0.; |
---|
| 934 | if(r==1.) return 1.; |
---|
| 935 | if (nPart==3) x=r; // GS baryon |
---|
| 936 | else if(nPart==4) x=1.-sqrt(r); // GS quaternion |
---|
| 937 | else x=1.-pow(r,1./(nPart-2.)); // nPart>4 |
---|
| 938 | return x; |
---|
| 939 | } // End of RandomizeMomFractionString |
---|