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b94a914b | 1 | // $Id$ |
2 | // Category: physics | |
3 | // | |
4 | // According to corresponding part of: | |
5 | // ExN04PhysicsList.cc,v 1.7 1999/12/15 14:49:26 gunter | |
6 | // GEANT4 tag Name: geant4-01-01 | |
7 | ||
8 | #include "TG4PhysicsConstructorEM.h" | |
9 | ||
10 | #include <G4ParticleDefinition.hh> | |
11 | #include <G4ProcessManager.hh> | |
12 | #include <G4ComptonScattering.hh> | |
13 | #include <G4GammaConversion.hh> | |
14 | #include <G4PhotoElectricEffect.hh> | |
15 | #include <G4MultipleScattering.hh> | |
16 | #include <G4eIonisation.hh> | |
17 | #include <G4eBremsstrahlung.hh> | |
18 | #include <G4eplusAnnihilation.hh> | |
19 | #include <G4MuIonisation.hh> | |
20 | #include <G4MuBremsstrahlung.hh> | |
21 | #include <G4MuPairProduction.hh> | |
22 | #include <G4hIonisation.hh> | |
23 | ||
24 | TG4PhysicsConstructorEM::TG4PhysicsConstructorEM(const G4String& name) | |
25 | : G4VPhysicsConstructor(name) | |
26 | { | |
27 | // | |
28 | SetVerboseLevel(1); | |
29 | } | |
30 | ||
31 | TG4PhysicsConstructorEM::~TG4PhysicsConstructorEM() { | |
32 | // | |
33 | } | |
34 | ||
35 | // protected methods | |
36 | ||
37 | void TG4PhysicsConstructorEM::ConstructParticle() | |
38 | { | |
39 | // The particles are constructed in the | |
40 | // TG4ModularPhysicsList. | |
41 | // --- | |
42 | } | |
43 | ||
44 | void TG4PhysicsConstructorEM::ConstructProcess() | |
45 | { | |
46 | // Constructs electromagnetic processes. | |
47 | // --- | |
48 | ||
49 | theParticleIterator->reset(); | |
50 | while( (*theParticleIterator)() ){ | |
51 | G4ParticleDefinition* particle = theParticleIterator->value(); | |
52 | G4ProcessManager* pmanager = particle->GetProcessManager(); | |
53 | G4String particleName = particle->GetParticleName(); | |
54 | ||
55 | if (particleName == "gamma") { | |
56 | // gamma | |
57 | // Construct processes for gamma | |
58 | pmanager->AddDiscreteProcess(new G4GammaConversion()); | |
59 | pmanager->AddDiscreteProcess(new G4ComptonScattering()); | |
60 | pmanager->AddDiscreteProcess(new G4PhotoElectricEffect()); | |
61 | ||
62 | } else if (particleName == "e-") { | |
63 | //electron | |
64 | // Construct processes for electron | |
65 | G4VProcess* theeminusMultipleScattering = new G4MultipleScattering(); | |
66 | G4VProcess* theeminusIonisation = new G4eIonisation(); | |
67 | G4VProcess* theeminusBremsstrahlung = new G4eBremsstrahlung(); | |
68 | // add processes | |
69 | pmanager->AddProcess(theeminusMultipleScattering); | |
70 | pmanager->AddProcess(theeminusIonisation); | |
71 | pmanager->AddProcess(theeminusBremsstrahlung); | |
72 | // set ordering for AlongStepDoIt | |
73 | pmanager->SetProcessOrdering(theeminusMultipleScattering, idxAlongStep, 1); | |
74 | pmanager->SetProcessOrdering(theeminusIonisation, idxAlongStep, 2); | |
75 | // set ordering for PostStepDoIt | |
76 | pmanager->SetProcessOrdering(theeminusMultipleScattering, idxPostStep, 1); | |
77 | pmanager->SetProcessOrdering(theeminusIonisation, idxPostStep, 2); | |
78 | pmanager->SetProcessOrdering(theeminusBremsstrahlung, idxPostStep, 3); | |
79 | ||
80 | } else if (particleName == "e+") { | |
81 | //positron | |
82 | // Construct processes for positron | |
83 | G4VProcess* theeplusMultipleScattering = new G4MultipleScattering(); | |
84 | G4VProcess* theeplusIonisation = new G4eIonisation(); | |
85 | G4VProcess* theeplusBremsstrahlung = new G4eBremsstrahlung(); | |
86 | G4VProcess* theeplusAnnihilation = new G4eplusAnnihilation(); | |
87 | // add processes | |
88 | pmanager->AddProcess(theeplusMultipleScattering); | |
89 | pmanager->AddProcess(theeplusIonisation); | |
90 | pmanager->AddProcess(theeplusBremsstrahlung); | |
91 | pmanager->AddProcess(theeplusAnnihilation); | |
92 | // set ordering for AtRestDoIt | |
93 | pmanager->SetProcessOrderingToFirst(theeplusAnnihilation, idxAtRest); | |
94 | // set ordering for AlongStepDoIt | |
95 | pmanager->SetProcessOrdering(theeplusMultipleScattering, idxAlongStep, 1); | |
96 | pmanager->SetProcessOrdering(theeplusIonisation, idxAlongStep, 2); | |
97 | // set ordering for PostStepDoIt | |
98 | pmanager->SetProcessOrdering(theeplusMultipleScattering, idxPostStep, 1); | |
99 | pmanager->SetProcessOrdering(theeplusIonisation, idxPostStep, 2); | |
100 | pmanager->SetProcessOrdering(theeplusBremsstrahlung, idxPostStep, 3); | |
101 | pmanager->SetProcessOrdering(theeplusAnnihilation, idxPostStep, 4); | |
102 | ||
103 | } else if( particleName == "mu+" || | |
104 | particleName == "mu-" ) { | |
105 | //muon | |
106 | // Construct processes for muon+ | |
107 | G4VProcess* aMultipleScattering = new G4MultipleScattering(); | |
108 | G4VProcess* aBremsstrahlung = new G4MuBremsstrahlung(); | |
109 | G4VProcess* aPairProduction = new G4MuPairProduction(); | |
110 | G4VProcess* anIonisation = new G4MuIonisation(); | |
111 | // add processes | |
112 | pmanager->AddProcess(anIonisation); | |
113 | pmanager->AddProcess(aMultipleScattering); | |
114 | pmanager->AddProcess(aBremsstrahlung); | |
115 | pmanager->AddProcess(aPairProduction); | |
116 | // set ordering for AlongStepDoIt | |
117 | pmanager->SetProcessOrdering(aMultipleScattering, idxAlongStep, 1); | |
118 | pmanager->SetProcessOrdering(anIonisation, idxAlongStep, 2); | |
119 | // set ordering for PostStepDoIt | |
120 | pmanager->SetProcessOrdering(aMultipleScattering, idxPostStep, 1); | |
121 | pmanager->SetProcessOrdering(anIonisation, idxPostStep, 2); | |
122 | pmanager->SetProcessOrdering(aBremsstrahlung, idxPostStep, 3); | |
123 | pmanager->SetProcessOrdering(aPairProduction, idxPostStep, 4); | |
124 | ||
125 | } else if( particleName == "GenericIon" ) { | |
126 | G4VProcess* aionIonization = new G4hIonisation; | |
127 | G4VProcess* aMultipleScattering = new G4MultipleScattering(); | |
128 | pmanager->AddProcess(aionIonization); | |
129 | pmanager->AddProcess(aMultipleScattering); | |
130 | // set ordering for AlongStepDoIt | |
131 | pmanager->SetProcessOrdering(aMultipleScattering, idxAlongStep, 1); | |
132 | pmanager->SetProcessOrdering(aionIonization, idxAlongStep, 2); | |
133 | // set ordering for PostStepDoIt | |
134 | pmanager->SetProcessOrdering(aMultipleScattering, idxPostStep, 1); | |
135 | pmanager->SetProcessOrdering(aionIonization, idxPostStep, 2); | |
136 | ||
137 | } else if ((!particle->IsShortLived()) && | |
138 | (particle->GetPDGCharge() != 0.0) && | |
139 | (particle->GetParticleName() != "chargedgeantino")) { | |
140 | // all others charged particles except geantino | |
141 | G4VProcess* aMultipleScattering = new G4MultipleScattering(); | |
142 | G4VProcess* anIonisation = new G4hIonisation(); | |
143 | // add processes | |
144 | pmanager->AddProcess(anIonisation); | |
145 | pmanager->AddProcess(aMultipleScattering); | |
146 | // set ordering for AlongStepDoIt | |
147 | pmanager->SetProcessOrdering(aMultipleScattering, idxAlongStep, 1); | |
148 | pmanager->SetProcessOrdering(anIonisation, idxAlongStep, 2); | |
149 | // set ordering for PostStepDoIt | |
150 | pmanager->SetProcessOrdering(aMultipleScattering, idxPostStep, 1); | |
151 | pmanager->SetProcessOrdering(anIonisation, idxPostStep, 2); | |
152 | } | |
153 | } | |
154 | ||
155 | if (verboseLevel>0) | |
156 | G4cout << "### Electromagnetic physics constructed." << G4endl; | |
157 | } |