[807] | 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 | // |
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| 27 | // -------------------------------------------------------------- |
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| 28 | // GEANT 4 - ULTRA experiment example |
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| 29 | // -------------------------------------------------------------- |
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| 30 | // |
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| 31 | // Code developed by: |
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| 32 | // B. Tome, M.C. Espirito-Santo, A. Trindade, P. Rodrigues |
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| 33 | // |
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| 34 | // **************************************************** |
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| 35 | // * UltraPrimaryGeneratorAction.cc |
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| 36 | // **************************************************** |
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| 37 | // |
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| 38 | // Class used in the definition of the optical photons source |
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| 39 | // A plane, circular source is used. Depending on the source position, optical |
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| 40 | // photons may reach the UVscope directly or after reflection. By default direct |
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| 41 | // incidence is used. The source parameters can be set directly in this class |
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| 42 | // or through the GeneralParticleSource messenger class. |
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| 43 | // |
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| 44 | #include "UltraPrimaryGeneratorAction.hh" |
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| 45 | |
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| 46 | #include "G4Event.hh" |
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| 47 | #include "G4GeneralParticleSource.hh" |
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| 48 | #include "G4SPSAngDistribution.hh" |
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| 49 | #include "G4SPSEneDistribution.hh" |
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| 50 | #include "G4SPSPosDistribution.hh" |
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| 51 | #include "G4ParticleTable.hh" |
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| 52 | #include "G4ParticleDefinition.hh" |
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| 53 | #include "G4ThreeVector.hh" |
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| 54 | |
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| 55 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 56 | |
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| 57 | UltraPrimaryGeneratorAction::UltraPrimaryGeneratorAction() |
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| 58 | { |
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| 59 | |
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| 60 | particleGun = new G4GeneralParticleSource(); |
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| 61 | |
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| 62 | |
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| 63 | // Define here the user default properties for the General Particle Source (GPS) |
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| 64 | // Can be modified through the GPS Messenger (/gps/... commands) |
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| 65 | |
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| 66 | G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable(); |
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| 67 | G4String particleName; |
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| 68 | |
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| 69 | G4ParticleDefinition* opticalphoton = particleTable->FindParticle(particleName="opticalphoton"); |
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| 70 | |
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| 71 | //....PARTICLE DEFINITIONS |
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| 72 | particleGun->SetParticleDefinition(opticalphoton); |
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| 73 | |
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| 74 | G4ThreeVector Polarization = G4ThreeVector(1.,1.,0.) ; |
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| 75 | particleGun->SetParticlePolarization(Polarization); |
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| 76 | |
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| 77 | // DEFINE A MONO-ENERGETIC SOURCE |
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| 78 | G4SPSEneDistribution *eneDist = particleGun->GetCurrentSource()->GetEneDist() ; |
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| 79 | eneDist->SetEnergyDisType("Mono"); |
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| 80 | eneDist->SetMonoEnergy(3.0*eV); |
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| 81 | |
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| 82 | // SET POSITION DISTRIBUTION |
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| 83 | G4SPSPosDistribution *posDist = particleGun->GetCurrentSource()->GetPosDist() ; |
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| 84 | posDist->SetPosDisType("Plane"); |
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| 85 | posDist->SetPosDisShape("Circle"); |
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| 86 | posDist->SetRadius(20.0*cm); |
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| 87 | |
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| 88 | #ifdef ULTRA_MIRROR_USE |
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| 89 | #define ULTRA_REFLECTION_USE |
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| 90 | #endif |
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| 91 | |
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| 92 | #ifdef ULTRA_GROUND_USE |
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| 93 | #define ULTRA_REFLECTION_USE |
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| 94 | #endif |
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| 95 | |
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| 96 | G4SPSAngDistribution *angDist = particleGun->GetCurrentSource()->GetAngDist() ; |
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| 97 | |
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| 98 | #ifdef ULTRA_REFLECTION_USE |
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| 99 | angDist->SetParticleMomentumDirection(G4ThreeVector(0.0,-1.0,0.0)) ; |
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| 100 | posDist->SetPosRot1(G4ThreeVector(1.,0.,0.)); |
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| 101 | posDist->SetPosRot2(G4ThreeVector(0.,0.,-1.)); |
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| 102 | posDist->SetCentreCoords(G4ThreeVector(0.0*cm,90.0*cm,150.0*cm)); |
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| 103 | |
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| 104 | #else |
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| 105 | angDist->SetParticleMomentumDirection(G4ThreeVector(0.0,0.0,-1.0)) ; |
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| 106 | posDist->SetCentreCoords(G4ThreeVector(0.0*cm,0.0*cm,150.0*cm)); |
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| 107 | |
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| 108 | #endif |
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| 109 | |
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| 110 | } |
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| 111 | |
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| 112 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 113 | |
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| 114 | UltraPrimaryGeneratorAction::~UltraPrimaryGeneratorAction() |
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| 115 | { |
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| 116 | delete particleGun; |
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| 117 | } |
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| 118 | |
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| 119 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
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| 120 | |
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| 121 | void UltraPrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent) |
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| 122 | { |
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| 123 | |
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| 124 | G4int iEvent = anEvent->GetEventID() ; |
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| 125 | if ( iEvent == 0 ){ |
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| 126 | |
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| 127 | G4cout << particleGun->GetParticleDefinition()->GetParticleName() << " " ; |
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| 128 | G4cout << particleGun->GetCurrentSource()->GetEneDist()->GetEnergyDisType() << " " ; |
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| 129 | G4cout << particleGun->GetCurrentSource()->GetPosDist()->GetPosDisType() << G4endl ; |
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| 130 | |
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| 131 | } |
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| 132 | particleGun->GeneratePrimaryVertex(anEvent); |
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| 133 | } |
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| 134 | |
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| 135 | |
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