[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 | #ifndef G4QGSParticipants_h |
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| 27 | #define G4QGSParticipants_h 1 |
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| 28 | |
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| 29 | #include "Randomize.hh" |
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| 30 | #include "G4VParticipants.hh" |
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| 31 | #include "G4Nucleon.hh" |
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| 32 | #include "G4InteractionContent.hh" |
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| 33 | #include "G4PomeronCrossSection.hh" |
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| 34 | #include "G4QGSDiffractiveExcitation.hh" |
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| 35 | #include "G4SingleDiffractiveExcitation.hh" |
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| 36 | #include "G4PartonPair.hh" |
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| 37 | #include "G4QGSMSplitableHadron.hh" |
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| 38 | |
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| 39 | class G4QGSParticipants : public G4VParticipants |
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| 40 | { |
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| 41 | public: |
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| 42 | G4QGSParticipants(); |
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| 43 | G4QGSParticipants(const G4QGSParticipants &right); |
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| 44 | const G4QGSParticipants & operator=(const G4QGSParticipants &right); |
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| 45 | virtual ~G4QGSParticipants(); |
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| 46 | |
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| 47 | int operator==(const G4QGSParticipants &right) const; |
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| 48 | int operator!=(const G4QGSParticipants &right) const; |
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| 49 | |
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| 50 | virtual void DoLorentzBoost(G4ThreeVector aBoost) |
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| 51 | { |
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| 52 | if(theNucleus) theNucleus->DoLorentzBoost(aBoost); |
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| 53 | theBoost = aBoost; |
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| 54 | } |
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| 55 | |
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| 56 | G4PartonPair* GetNextPartonPair(); |
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| 57 | void BuildInteractions(const G4ReactionProduct &thePrimary); |
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| 58 | void StartPartonPairLoop(); |
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| 59 | |
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| 60 | protected: |
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| 61 | virtual G4VSplitableHadron* SelectInteractions(const G4ReactionProduct &thePrimary); |
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| 62 | void SplitHadrons(); |
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| 63 | void PerformSoftCollisions(); |
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| 64 | void PerformDiffractiveCollisions(); |
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| 65 | |
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| 66 | protected: |
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| 67 | struct DeleteInteractionContent {void operator()(G4InteractionContent*aC){delete aC;}}; |
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| 68 | std::vector<G4InteractionContent*> theInteractions; |
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| 69 | struct DeleteSplitableHadron{void operator()(G4VSplitableHadron*aS){delete aS;}}; |
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| 70 | std::vector<G4VSplitableHadron*> theTargets; |
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| 71 | struct DeletePartonPair{void operator()(G4PartonPair*aP){delete aP;}}; |
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| 72 | std::vector<G4PartonPair*> thePartonPairs; |
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| 73 | |
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| 74 | G4SingleDiffractiveExcitation theSingleDiffExcitation; |
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| 75 | G4QGSDiffractiveExcitation theDiffExcitaton; |
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| 76 | G4int ModelMode; |
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| 77 | G4bool IsSingleDiffractive(); |
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| 78 | |
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| 79 | G4ThreeVector theBoost; |
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| 80 | |
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| 81 | protected: |
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| 82 | // model parameters HPW |
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| 83 | enum { SOFT, DIFFRACTIVE }; |
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| 84 | const G4int nCutMax; |
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| 85 | const G4double ThersholdParameter; |
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| 86 | const G4double QGSMThershold; |
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| 87 | const G4double theNucleonRadius; |
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| 88 | |
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| 89 | }; |
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| 90 | |
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| 91 | |
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| 92 | inline G4bool G4QGSParticipants::IsSingleDiffractive() |
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| 93 | { |
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| 94 | G4bool result=false; |
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| 95 | if(G4UniformRand()<1.) result = true; |
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| 96 | return result; |
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| 97 | } |
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| 98 | |
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| 99 | inline void G4QGSParticipants::StartPartonPairLoop() |
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| 100 | { |
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| 101 | } |
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| 102 | |
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| 103 | inline G4PartonPair* G4QGSParticipants::GetNextPartonPair() |
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| 104 | { |
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| 105 | if (thePartonPairs.empty()) return 0; |
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| 106 | G4PartonPair * result = thePartonPairs.back(); |
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| 107 | thePartonPairs.pop_back(); |
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| 108 | return result; |
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| 109 | } |
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| 110 | |
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| 111 | |
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| 112 | inline void G4QGSParticipants::SplitHadrons() |
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| 113 | { |
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| 114 | unsigned int i; |
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| 115 | for(i = 0; i < theInteractions.size(); i++) |
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| 116 | { |
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| 117 | theInteractions[i]->SplitHadrons(); |
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| 118 | } |
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| 119 | } |
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| 120 | |
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| 121 | #endif |
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| 122 | |
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| 123 | |
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