1 | #include "ELYSE/PrimaryGeneratorAction.hh" |
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2 | |
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3 | //Geant4 |
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4 | #include "G4Event.hh" |
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5 | #include "G4ParticleGun.hh" |
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6 | #include "G4ParticleTable.hh" |
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7 | #include "G4ParticleDefinition.hh" |
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8 | #include "G4ThreeVector.hh" |
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9 | #include "globals.hh" |
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10 | #include "Randomize.hh" |
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11 | #include "G4Navigator.hh" |
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12 | #include "G4TransportationManager.hh" |
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13 | #include "G4ProcessManager.hh" |
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14 | |
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15 | //ELYSE |
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16 | #include "ELYSE/DetectorConstruction.hh" |
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17 | #include "ELYSE/PrimaryGeneratorMessenger.hh" |
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18 | |
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19 | |
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20 | ELYSE::PrimaryGeneratorAction::PrimaryGeneratorAction() { |
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21 | // Initialize to zero |
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22 | vtx = G4ThreeVector(0.,0.,0.); |
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23 | beamenergy = 0.; |
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24 | beamdir = G4ThreeVector(0.,0.,0.); |
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25 | |
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26 | |
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27 | //---Set defaults. Do once at beginning of session. |
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28 | |
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29 | G4int n_particle = 1; |
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30 | particleGun = new G4ParticleGun(n_particle); |
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31 | |
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32 | particleTable = G4ParticleTable::GetParticleTable(); |
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33 | particleGun->SetParticleDefinition(particleTable->FindParticle("e-")); |
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34 | |
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35 | |
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36 | particleGun->SetParticleTime(0.0*ns); |
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37 | particleGun->SetParticlePosition(G4ThreeVector(0.0*cm,0.0*cm,0.0*cm)); |
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38 | particleGun->SetParticleMomentumDirection(G4ThreeVector(0.,0.,1.)); |
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39 | particleGun->SetParticleEnergy(8.2*MeV); |
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40 | |
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41 | |
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42 | //link to the messanger |
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43 | messenger = new PrimaryGeneratorMessenger(this); |
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44 | }//Ctor |
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45 | |
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46 | //------------------------------------------------------------------------------------------------- |
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47 | |
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48 | ELYSE::PrimaryGeneratorAction::~PrimaryGeneratorAction() { |
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49 | delete particleGun; |
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50 | delete messenger; |
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51 | }//Dtor |
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52 | |
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53 | //------------------------------------------------------------------------------------------------- |
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54 | |
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55 | void ELYSE::PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent) { |
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56 | |
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57 | |
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58 | //use the Gun used by default or in the Messenger |
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59 | particleGun->GeneratePrimaryVertex(anEvent); |
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60 | |
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61 | //This code suppose 1 particle in the gun. |
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62 | // G4ThreeVector P = anEvent->GetPrimaryVertex()->GetPrimary()->GetMomentum(); |
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63 | // G4ThreeVector vtx = anEvent->GetPrimaryVertex()->GetPosition(); |
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64 | // G4double m = anEvent->GetPrimaryVertex()->GetPrimary()->GetMass(); |
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65 | // G4int pdg = anEvent->GetPrimaryVertex()->GetPrimary()->GetPDGcode()); |
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66 | |
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67 | // G4ThreeVector dir = P.unit(); |
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68 | // G4double E = std::sqrt((P.dot(P))+(m*m)); |
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69 | |
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70 | // SetBeamPDG(pdg); |
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71 | // SetBeamEnergy(E); |
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72 | // SetVtx(vtx); |
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73 | // SetBeamDir(dir); |
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74 | |
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75 | }//GeneratePrimaries |
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76 | |
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77 | //------------------------------------------------------------------------------------------------- |
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78 | void ELYSE::PrimaryGeneratorAction::SetBeamPDG(G4int i) { |
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79 | |
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80 | // G4cout << "(JEC): SetBeamPDG(" << i << ")" << G4endl; |
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81 | |
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82 | beampdg = i; |
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83 | particleGun-> |
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84 | SetParticleDefinition(particleTable->FindParticle(i)); |
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85 | }//SetBeamPDG |
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86 | //------------------------------------------------------------------------------------------------- |
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87 | |
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88 | void ELYSE::PrimaryGeneratorAction::SetBeamName(G4String i) { |
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89 | |
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90 | // G4cout << "(JEC): SetBeamName(" << i << ")" << G4endl; |
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91 | |
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92 | beampdg = particleTable->FindParticle(i)->GetPDGEncoding(); |
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93 | |
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94 | particleGun-> |
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95 | SetParticleDefinition(particleTable->FindParticle(i)); |
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96 | }//SetBeamPDG |
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97 | |
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98 | //----------------------------------------------------------------------- |
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99 | |
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100 | void ELYSE::PrimaryGeneratorAction::SetBeamEnergy(G4double i) { |
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101 | // G4cout << "(JEC): SetBeamEnergy(" << i << ")" << G4endl; |
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102 | beamenergy = i; |
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103 | particleGun->SetParticleEnergy(i); |
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104 | }//SetBeamEnergy |
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105 | |
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106 | //----------------------------------------------------------------------- |
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107 | |
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108 | void ELYSE::PrimaryGeneratorAction::SetVtx(G4ThreeVector i) { |
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109 | // G4cout << "(JEC): SetVtx(" << i << ")" << G4endl; |
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110 | vtx = i; |
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111 | particleGun->SetParticlePosition(i); |
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112 | }//SetVtx |
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113 | |
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114 | //----------------------------------------------------------------------- |
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115 | |
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116 | void ELYSE::PrimaryGeneratorAction::SetBeamDir(G4ThreeVector i) { |
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117 | // G4cout << "(JEC): SetBeamDir(" << i << ")" << G4endl; |
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118 | beamdir = i; |
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119 | particleGun->SetParticleMomentumDirection(i); |
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120 | }//SetBeamDir |
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121 | |
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122 | //----------------------------------------------------------------------- |
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123 | void ELYSE::PrimaryGeneratorAction::SetOptPhotonPolar(G4ThreeVector i) { |
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124 | polar = i; |
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125 | // G4cout << "(JEC): SetOptPhotonPolar(" << polar << ")" << G4endl; |
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126 | particleGun->SetParticlePolarization(i); |
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127 | } |
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