| 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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