1 | // |
---|
2 | // ******************************************************************** |
---|
3 | // * License and Disclaimer * |
---|
4 | // * * |
---|
5 | // * The Geant4 software is copyright of the Copyright Holders of * |
---|
6 | // * the Geant4 Collaboration. It is provided under the terms and * |
---|
7 | // * conditions of the Geant4 Software License, included in the file * |
---|
8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
---|
9 | // * include a list of copyright holders. * |
---|
10 | // * * |
---|
11 | // * Neither the authors of this software system, nor their employing * |
---|
12 | // * institutes,nor the agencies providing financial support for this * |
---|
13 | // * work make any representation or warranty, express or implied, * |
---|
14 | // * regarding this software system or assume any liability for its * |
---|
15 | // * use. Please see the license in the file LICENSE and URL above * |
---|
16 | // * for the full disclaimer and the limitation of liability. * |
---|
17 | // * * |
---|
18 | // * This code implementation is the result of the scientific and * |
---|
19 | // * technical work of the GEANT4 collaboration. * |
---|
20 | // * By using, copying, modifying or distributing the software (or * |
---|
21 | // * any work based on the software) you agree to acknowledge its * |
---|
22 | // * use in resulting scientific publications, and indicate your * |
---|
23 | // * acceptance of all terms of the Geant4 Software license. * |
---|
24 | // ******************************************************************** |
---|
25 | // |
---|
26 | // |
---|
27 | // -------------------------------------------------------------- |
---|
28 | // GEANT 4 - ULTRA experiment example |
---|
29 | // -------------------------------------------------------------- |
---|
30 | // |
---|
31 | // Code developed by: |
---|
32 | // B. Tome, M.C. Espirito-Santo, A. Trindade, P. Rodrigues |
---|
33 | // |
---|
34 | // **************************************************** |
---|
35 | // * UltraPrimaryGeneratorAction.cc |
---|
36 | // **************************************************** |
---|
37 | // |
---|
38 | // Class used in the definition of the optical photons source |
---|
39 | // A plane, circular source is used. Depending on the source position, optical |
---|
40 | // photons may reach the UVscope directly or after reflection. By default direct |
---|
41 | // incidence is used. The source parameters can be set directly in this class |
---|
42 | // or through the GeneralParticleSource messenger class. |
---|
43 | // |
---|
44 | #include "UltraPrimaryGeneratorAction.hh" |
---|
45 | #include "UltraDetectorConstruction.hh" |
---|
46 | |
---|
47 | #include "G4RunManager.hh" |
---|
48 | #include "G4Event.hh" |
---|
49 | #include "G4GeneralParticleSource.hh" |
---|
50 | #include "G4SPSAngDistribution.hh" |
---|
51 | #include "G4SPSEneDistribution.hh" |
---|
52 | #include "G4SPSPosDistribution.hh" |
---|
53 | #include "G4ParticleTable.hh" |
---|
54 | #include "G4ParticleDefinition.hh" |
---|
55 | #include "G4ThreeVector.hh" |
---|
56 | |
---|
57 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
58 | |
---|
59 | UltraPrimaryGeneratorAction::UltraPrimaryGeneratorAction() |
---|
60 | { |
---|
61 | |
---|
62 | particleGun = new G4GeneralParticleSource(); |
---|
63 | |
---|
64 | |
---|
65 | // Define here the user default properties for the General Particle Source (GPS) |
---|
66 | // Can be modified through the GPS Messenger (/gps/... commands) |
---|
67 | |
---|
68 | G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable(); |
---|
69 | G4String particleName; |
---|
70 | |
---|
71 | G4ParticleDefinition* opticalphoton = particleTable->FindParticle(particleName="opticalphoton"); |
---|
72 | |
---|
73 | //....PARTICLE DEFINITIONS |
---|
74 | particleGun->SetParticleDefinition(opticalphoton); |
---|
75 | |
---|
76 | G4ThreeVector Polarization = G4ThreeVector(1.,1.,0.) ; |
---|
77 | particleGun->SetParticlePolarization(Polarization); |
---|
78 | |
---|
79 | // DEFINE A MONO-ENERGETIC SOURCE |
---|
80 | G4SPSEneDistribution *eneDist = particleGun->GetCurrentSource()->GetEneDist() ; |
---|
81 | eneDist->SetEnergyDisType("Mono"); |
---|
82 | eneDist->SetMonoEnergy(3.0*eV); |
---|
83 | |
---|
84 | // SET POSITION DISTRIBUTION |
---|
85 | G4SPSPosDistribution *posDist = particleGun->GetCurrentSource()->GetPosDist() ; |
---|
86 | posDist->SetPosDisType("Plane"); |
---|
87 | posDist->SetPosDisShape("Circle"); |
---|
88 | posDist->SetRadius(20.0*cm); |
---|
89 | |
---|
90 | #ifdef ULTRA_MIRROR_USE |
---|
91 | #define ULTRA_REFLECTION_USE |
---|
92 | #endif |
---|
93 | |
---|
94 | #ifdef ULTRA_GROUND_USE |
---|
95 | #define ULTRA_REFLECTION_USE |
---|
96 | #endif |
---|
97 | |
---|
98 | G4SPSAngDistribution *angDist = particleGun->GetCurrentSource()->GetAngDist() ; |
---|
99 | |
---|
100 | #ifdef ULTRA_REFLECTION_USE |
---|
101 | angDist->SetParticleMomentumDirection(G4ThreeVector(0.0,-1.0,0.0)) ; |
---|
102 | posDist->SetPosRot1(G4ThreeVector(1.,0.,0.)); |
---|
103 | posDist->SetPosRot2(G4ThreeVector(0.,0.,-1.)); |
---|
104 | posDist->SetCentreCoords(G4ThreeVector(0.0*cm,90.0*cm,150.0*cm)); |
---|
105 | |
---|
106 | #else |
---|
107 | angDist->SetParticleMomentumDirection(G4ThreeVector(0.0,0.0,-1.0)) ; |
---|
108 | posDist->SetCentreCoords(G4ThreeVector(0.0*cm,0.0*cm,150.0*cm)); |
---|
109 | |
---|
110 | #endif |
---|
111 | |
---|
112 | } |
---|
113 | |
---|
114 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
115 | |
---|
116 | UltraPrimaryGeneratorAction::~UltraPrimaryGeneratorAction() |
---|
117 | { |
---|
118 | delete particleGun; |
---|
119 | } |
---|
120 | |
---|
121 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... |
---|
122 | |
---|
123 | void UltraPrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent) |
---|
124 | { |
---|
125 | |
---|
126 | G4int iEvent = anEvent->GetEventID() ; |
---|
127 | if ( iEvent == 0 ){ |
---|
128 | |
---|
129 | G4cout << particleGun->GetParticleDefinition()->GetParticleName() << " " ; |
---|
130 | G4cout << particleGun->GetCurrentSource()->GetEneDist()->GetEnergyDisType() << " " ; |
---|
131 | G4cout << particleGun->GetCurrentSource()->GetPosDist()->GetPosDisType() << G4endl ; |
---|
132 | |
---|
133 | |
---|
134 | // Check if optical photon wavelength is within limits set for material optical properties tables. |
---|
135 | |
---|
136 | |
---|
137 | |
---|
138 | |
---|
139 | } |
---|
140 | particleGun->GeneratePrimaryVertex(anEvent); |
---|
141 | |
---|
142 | if (particleGun->GetParticleDefinition()->GetParticleName() == "opticalphoton"){ |
---|
143 | |
---|
144 | const UltraDetectorConstruction * detector = |
---|
145 | dynamic_cast<const UltraDetectorConstruction *>((G4RunManager::GetRunManager())->GetUserDetectorConstruction()) ; |
---|
146 | |
---|
147 | G4double lambda_min = detector->GetLambdaMin() ; |
---|
148 | G4double lambda_max = detector->GetLambdaMax() ; |
---|
149 | |
---|
150 | G4double energy = particleGun->GetParticleEnergy() ; |
---|
151 | |
---|
152 | if (h_Planck*c_light/energy > lambda_max || h_Planck*c_light/energy < lambda_min){ |
---|
153 | G4cerr << "Error ! Optical photon energy (" << energy/eV << " eV) out of limits set by material optical properties tables. \n" |
---|
154 | << "Please check that photon wavelength is within the following interval: [" |
---|
155 | << lambda_min/nm << "," |
---|
156 | << lambda_max/nm << "] nm" |
---|
157 | << ", i.e., [" |
---|
158 | << h_Planck*c_light/lambda_max/eV << "," |
---|
159 | << h_Planck*c_light/lambda_min/eV << "] eV" |
---|
160 | << G4endl ; |
---|
161 | |
---|
162 | G4Exception("") ; |
---|
163 | } |
---|
164 | } |
---|
165 | |
---|
166 | } |
---|
167 | |
---|
168 | |
---|