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25 // 25 //
26 // 26 //
27 // ------------------------------------------- 27 // --------------------------------------------------------------
28 // GEANT 4 - ULTRA experiment 28 // GEANT 4 - ULTRA experiment example
29 // ------------------------------------------- 29 // --------------------------------------------------------------
30 // 30 //
31 // Code developed by: 31 // Code developed by:
32 // B. Tome, M.C. Espirito-Santo, A. Trindade, << 32 // B. Tome, M.C. Espirito-Santo, A. Trindade, P. Rodrigues
33 // 33 //
34 // **************************************** 34 // ****************************************************
35 // * UltraPrimaryGeneratorAction.cc 35 // * UltraPrimaryGeneratorAction.cc
36 // **************************************** 36 // ****************************************************
37 // << 37 //
38 // Class used in the definition of the opti 38 // Class used in the definition of the optical photons source
39 // A plane, circular source is used. Depend 39 // A plane, circular source is used. Depending on the source position, optical
40 // photons may reach the UVscope directly o 40 // photons may reach the UVscope directly or after reflection. By default direct
41 // incidence is used. The source parameters 41 // incidence is used. The source parameters can be set directly in this class
42 // or through the GeneralParticleSource me 42 // or through the GeneralParticleSource messenger class.
43 // 43 //
44 #include "UltraPrimaryGeneratorAction.hh" 44 #include "UltraPrimaryGeneratorAction.hh"
45 #include "UltraDetectorConstruction.hh" <<
46 45
47 #include "G4PhysicalConstants.hh" <<
48 #include "G4SystemOfUnits.hh" <<
49 #include "G4RunManager.hh" <<
50 #include "G4Event.hh" 46 #include "G4Event.hh"
51 #include "G4GeneralParticleSource.hh" 47 #include "G4GeneralParticleSource.hh"
52 #include "G4SPSAngDistribution.hh" 48 #include "G4SPSAngDistribution.hh"
53 #include "G4SPSEneDistribution.hh" 49 #include "G4SPSEneDistribution.hh"
54 #include "G4SPSPosDistribution.hh" 50 #include "G4SPSPosDistribution.hh"
55 #include "G4ParticleTable.hh" 51 #include "G4ParticleTable.hh"
56 #include "G4ParticleDefinition.hh" 52 #include "G4ParticleDefinition.hh"
57 #include "G4ThreeVector.hh" 53 #include "G4ThreeVector.hh"
58 54
59 //....oooOO0OOooo........oooOO0OOooo........oo 55 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
60 56
61 UltraPrimaryGeneratorAction::UltraPrimaryGener 57 UltraPrimaryGeneratorAction::UltraPrimaryGeneratorAction()
62 { 58 {
>> 59
63 particleGun = new G4GeneralParticleSource(); 60 particleGun = new G4GeneralParticleSource();
>> 61
>> 62
>> 63 // Define here the user default properties for the General Particle Source (GPS)
>> 64 // Can be modified through the GPS Messenger (/gps/... commands)
>> 65
>> 66 G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable();
>> 67 G4String particleName;
>> 68
>> 69 G4ParticleDefinition* opticalphoton = particleTable->FindParticle(particleName="opticalphoton");
>> 70
>> 71 //....PARTICLE DEFINITIONS
>> 72 particleGun->SetParticleDefinition(opticalphoton);
>> 73
>> 74 G4ThreeVector Polarization = G4ThreeVector(1.,1.,0.) ;
>> 75 particleGun->SetParticlePolarization(Polarization);
>> 76
>> 77 // DEFINE A MONO-ENERGETIC SOURCE
>> 78 G4SPSEneDistribution *eneDist = particleGun->GetCurrentSource()->GetEneDist() ;
>> 79 eneDist->SetEnergyDisType("Mono");
>> 80 eneDist->SetMonoEnergy(3.0*eV);
>> 81
>> 82 // SET POSITION DISTRIBUTION
>> 83 G4SPSPosDistribution *posDist = particleGun->GetCurrentSource()->GetPosDist() ;
>> 84 posDist->SetPosDisType("Plane");
>> 85 posDist->SetPosDisShape("Circle");
>> 86 posDist->SetRadius(20.0*cm);
>> 87
>> 88 #ifdef ULTRA_MIRROR_USE
>> 89 #define ULTRA_REFLECTION_USE
>> 90 #endif
>> 91
>> 92 #ifdef ULTRA_GROUND_USE
>> 93 #define ULTRA_REFLECTION_USE
>> 94 #endif
>> 95
>> 96 G4SPSAngDistribution *angDist = particleGun->GetCurrentSource()->GetAngDist() ;
>> 97
>> 98 #ifdef ULTRA_REFLECTION_USE
>> 99 angDist->SetParticleMomentumDirection(G4ThreeVector(0.0,-1.0,0.0)) ;
>> 100 posDist->SetPosRot1(G4ThreeVector(1.,0.,0.));
>> 101 posDist->SetPosRot2(G4ThreeVector(0.,0.,-1.));
>> 102 posDist->SetCentreCoords(G4ThreeVector(0.0*cm,90.0*cm,150.0*cm));
>> 103
>> 104 #else
>> 105 angDist->SetParticleMomentumDirection(G4ThreeVector(0.0,0.0,-1.0)) ;
>> 106 posDist->SetCentreCoords(G4ThreeVector(0.0*cm,0.0*cm,150.0*cm));
>> 107
>> 108 #endif
>> 109
64 } 110 }
65 111
66 //....oooOO0OOooo........oooOO0OOooo........oo 112 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
67 113
68 UltraPrimaryGeneratorAction::~UltraPrimaryGene 114 UltraPrimaryGeneratorAction::~UltraPrimaryGeneratorAction()
69 { 115 {
70 delete particleGun; 116 delete particleGun;
71 } 117 }
72 118
73 //....oooOO0OOooo........oooOO0OOooo........oo 119 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
74 120
75 void UltraPrimaryGeneratorAction::GeneratePrim 121 void UltraPrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
76 { 122 {
77 123
78 auto iEvent = anEvent->GetEventID() ; << 124 G4int iEvent = anEvent->GetEventID() ;
79 if ( iEvent == 0 ){ 125 if ( iEvent == 0 ){
80 126
81 G4cout << particleGun->GetParticleDefiniti 127 G4cout << particleGun->GetParticleDefinition()->GetParticleName() << " " ;
82 G4cout << particleGun->GetCurrentSource()- 128 G4cout << particleGun->GetCurrentSource()->GetEneDist()->GetEnergyDisType() << " " ;
83 G4cout << particleGun->GetCurrentSource()- 129 G4cout << particleGun->GetCurrentSource()->GetPosDist()->GetPosDisType() << G4endl ;
84 130
85 << 131 }
86 // Check if optical photon wavelength is withi <<
87 } <<
88 <<
89 particleGun->GeneratePrimaryVertex(anEvent); 132 particleGun->GeneratePrimaryVertex(anEvent);
>> 133 }
90 134
91 if (particleGun->GetParticleDefinition()-> <<
92 <<
93 const UltraDetectorConstruction * detect <<
94 dynamic_cast<const UltraDetectorConstruc <<
95 <<
96 auto lambda_min = detector->GetLambdaMin() ; <<
97 auto lambda_max = detector->GetLambdaMax() ; <<
98 <<
99 auto energy = particleGun->GetParticleEnergy <<
100 <<
101 if (h_Planck*c_light/energy > lambda_max || <<
102 G4cerr << "Error ! Optical photon ene <<
103 << "Please check that photon wav <<
104 << lambda_min/nm << "," <<
105 << lambda_max/nm << "] nm" <<
106 << ", i.e., [" <<
107 << h_Planck*c_light/lambda_max/e <<
108 << h_Planck*c_light/lambda_min/e <<
109 << G4endl ; <<
110 <<
111 G4Exception("UltraPrimaryGeneratorAct <<
112 FatalException,"Wavelength outside th <<
113 } <<
114 } <<
115 135
116 } <<
117 136