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25 // 25 //
26 /// \file eventgenerator/particleGun/src/Prima 26 /// \file eventgenerator/particleGun/src/PrimaryGeneratorAction1.cc
27 /// \brief Implementation of the PrimaryGenera 27 /// \brief Implementation of the PrimaryGeneratorAction1 class
28 // 28 //
29 // 29 //
30 // << 30 // $Id: PrimaryGeneratorAction1.cc 68024 2013-03-13 13:42:01Z gcosmo $
31 //....oooOO0OOooo........oooOO0OOooo........oo << 31 //
32 //....oooOO0OOooo........oooOO0OOooo........oo 32 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 33 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
33 34
34 #include "PrimaryGeneratorAction1.hh" 35 #include "PrimaryGeneratorAction1.hh"
35 <<
36 #include "PrimaryGeneratorAction.hh" 36 #include "PrimaryGeneratorAction.hh"
37 37
38 #include "G4Event.hh" 38 #include "G4Event.hh"
39 #include "G4ParticleDefinition.hh" <<
40 #include "G4ParticleGun.hh" 39 #include "G4ParticleGun.hh"
41 #include "G4ParticleTable.hh" 40 #include "G4ParticleTable.hh"
>> 41 #include "G4ParticleDefinition.hh"
42 #include "G4PhysicalConstants.hh" 42 #include "G4PhysicalConstants.hh"
43 #include "G4SystemOfUnits.hh" 43 #include "G4SystemOfUnits.hh"
44 #include "Randomize.hh" 44 #include "Randomize.hh"
45 45
46 //....oooOO0OOooo........oooOO0OOooo........oo 46 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
47 47
48 PrimaryGeneratorAction1::PrimaryGeneratorActio << 48 PrimaryGeneratorAction1::PrimaryGeneratorAction1(G4ParticleGun* gun)
>> 49 : fParticleGun(gun)
>> 50 { }
>> 51
>> 52 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
>> 53
>> 54 PrimaryGeneratorAction1::~PrimaryGeneratorAction1()
>> 55 { }
49 56
50 //....oooOO0OOooo........oooOO0OOooo........oo 57 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
51 58
52 void PrimaryGeneratorAction1::GeneratePrimarie 59 void PrimaryGeneratorAction1::GeneratePrimaries(G4Event* anEvent)
53 { 60 {
54 const G4double r = 2 * mm; << 61 const G4double r = 2*mm;
55 const G4double zmax = 8 * mm; << 62 const G4double zmax = 8*mm;
56 << 63
57 // vertex 1 uniform on cylinder << 64 //vertex 1 uniform on cylinder
58 // 65 //
59 G4double alpha = twopi * G4UniformRand(); / << 66 G4double alpha = twopi*G4UniformRand(); //alpha uniform in (0, 2*pi)
60 G4double ux = std::cos(alpha); 67 G4double ux = std::cos(alpha);
61 G4double uy = std::sin(alpha); 68 G4double uy = std::sin(alpha);
62 G4double z = zmax * (2 * G4UniformRand() - 1 << 69 G4double z = zmax*(2*G4UniformRand() - 1); //z uniform in (-zmax, +zmax)
63 << 70
64 fParticleGun->SetParticlePosition(G4ThreeVec << 71 fParticleGun->SetParticlePosition(G4ThreeVector(r*ux,r*uy,z));
65 fParticleGun->SetParticleMomentumDirection(G << 72 fParticleGun->SetParticleMomentumDirection(G4ThreeVector(ux,uy,0));
66 fParticleGun->SetParticleEnergy(1 * MeV); << 73 fParticleGun->SetParticleEnergy(1*MeV);
67 fParticleGun->GeneratePrimaryVertex(anEvent) 74 fParticleGun->GeneratePrimaryVertex(anEvent);
68 << 75
69 // vertex 2 at opposite << 76 //vertex 2 at opposite
70 // 77 //
71 alpha += pi; 78 alpha += pi;
72 ux = std::cos(alpha); 79 ux = std::cos(alpha);
73 uy = std::sin(alpha); << 80 uy = std::sin(alpha);
74 fParticleGun->SetParticlePosition(G4ThreeVec << 81 fParticleGun->SetParticlePosition(G4ThreeVector(r*ux,r*uy,z));
75 << 82
76 // particle 2 at vertex 2 << 83 //particle 2 at vertex 2
77 // 84 //
78 const G4double dalpha = 10 * deg; << 85 const G4double dalpha = 10*deg;
79 ux = std::cos(alpha + dalpha); 86 ux = std::cos(alpha + dalpha);
80 uy = std::sin(alpha + dalpha); << 87 uy = std::sin(alpha + dalpha);
81 << 88
82 fParticleGun->SetParticleMomentumDirection(G << 89 fParticleGun->SetParticleMomentumDirection(G4ThreeVector(ux,uy,0));
83 fParticleGun->SetParticleEnergy(1 * keV); << 90 fParticleGun->SetParticleEnergy(1*keV);
84 fParticleGun->GeneratePrimaryVertex(anEvent) 91 fParticleGun->GeneratePrimaryVertex(anEvent);
85 << 92
86 // particle 3 at vertex 3 (same as vertex 2) << 93 //particle 3 at vertex 2
87 // 94 //
88 ux = std::cos(alpha - dalpha); 95 ux = std::cos(alpha - dalpha);
89 uy = std::sin(alpha - dalpha); << 96 uy = std::sin(alpha - dalpha);
90 << 97
91 fParticleGun->SetParticleMomentumDirection(G << 98 fParticleGun->SetParticleMomentumDirection(G4ThreeVector(ux,uy,0));
92 fParticleGun->SetParticleEnergy(1 * GeV); << 99 fParticleGun->SetParticleEnergy(1*GeV);
93 fParticleGun->GeneratePrimaryVertex(anEvent) << 100 fParticleGun->GeneratePrimaryVertex(anEvent);
94 <<
95 // randomize time zero of anEvent <<
96 // <<
97 G4double tmin = 0 * s, tmax = 10 * s; <<
98 G4double t0 = tmin + (tmax - tmin) * G4Unifo <<
99 G4PrimaryVertex* aVertex = anEvent->GetPrima <<
100 while (aVertex) { <<
101 aVertex->SetT0(t0); <<
102 aVertex = aVertex->GetNext(); <<
103 } <<
104 } 101 }
105 102
106 //....oooOO0OOooo........oooOO0OOooo........oo 103 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
107 104