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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