source: trunk/examples/extended/electromagnetic/TestEm5/src/PhysListEmStandard.cc @ 953

Last change on this file since 953 was 807, checked in by garnier, 16 years ago

update

File size: 5.4 KB
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26// $Id: PhysListEmStandard.cc,v 1.14 2007/11/21 17:41:19 maire Exp $
27// GEANT4 tag $Name: geant4-09-01-patch-02 $
28//
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31
32#include "PhysListEmStandard.hh"
33#include "G4ParticleDefinition.hh"
34#include "G4ProcessManager.hh"
35
36#include "G4ComptonScattering.hh"
37#include "G4GammaConversion.hh"
38#include "G4PhotoElectricEffect.hh"
39
40#include "G4MultipleScattering.hh"
41
42#include "G4eIonisation.hh"
43#include "G4eBremsstrahlung.hh"
44#include "G4eplusAnnihilation.hh"
45
46#include "G4MuIonisation.hh"
47#include "G4MuBremsstrahlung.hh"
48#include "G4MuPairProduction.hh"
49
50#include "G4hIonisation.hh"
51#include "G4ionIonisation.hh"
52
53#include "G4EmProcessOptions.hh"
54#include "G4MscStepLimitType.hh"
55
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57
58PhysListEmStandard::PhysListEmStandard(const G4String& name)
59   :  G4VPhysicsConstructor(name)
60{}
61
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63
64PhysListEmStandard::~PhysListEmStandard()
65{}
66
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68
69void PhysListEmStandard::ConstructProcess()
70{
71  // Add standard EM Processes
72  //
73
74  theParticleIterator->reset();
75  while( (*theParticleIterator)() ){
76    G4ParticleDefinition* particle = theParticleIterator->value();
77    G4ProcessManager* pmanager = particle->GetProcessManager();
78    G4String particleName = particle->GetParticleName();
79     
80    if (particleName == "gamma") {
81      // gamma
82      pmanager->AddDiscreteProcess(new G4PhotoElectricEffect);
83      pmanager->AddDiscreteProcess(new G4ComptonScattering);
84      pmanager->AddDiscreteProcess(new G4GammaConversion);
85     
86    } else if (particleName == "e-") {
87      //electron
88      pmanager->AddProcess(new G4MultipleScattering, -1, 1,1);
89      pmanager->AddProcess(new G4eIonisation,        -1, 2,2);
90      pmanager->AddProcess(new G4eBremsstrahlung,    -1, 3,3);
91           
92    } else if (particleName == "e+") {
93      //positron
94      pmanager->AddProcess(new G4MultipleScattering, -1, 1,1);
95      pmanager->AddProcess(new G4eIonisation,        -1, 2,2);
96      pmanager->AddProcess(new G4eBremsstrahlung,    -1, 3,3);
97      pmanager->AddProcess(new G4eplusAnnihilation,   0,-1,4);
98           
99    } else if (particleName == "mu+" || 
100               particleName == "mu-"    ) {
101      //muon 
102      pmanager->AddProcess(new G4MultipleScattering, -1, 1,1);
103      pmanager->AddProcess(new G4MuIonisation,       -1, 2,2);
104      pmanager->AddProcess(new G4MuBremsstrahlung,   -1, 3,3);
105      pmanager->AddProcess(new G4MuPairProduction,   -1, 4,4);
106             
107    } else if (particleName == "alpha" || particleName == "GenericIon" ) { 
108      pmanager->AddProcess(new G4MultipleScattering, -1, 1,1);
109      pmanager->AddProcess(new G4ionIonisation,      -1, 2,2);
110     
111    } else if ((!particle->IsShortLived()) &&
112               (particle->GetPDGCharge() != 0.0) && 
113               (particle->GetParticleName() != "chargedgeantino")) {
114      //all others charged particles except geantino
115      pmanager->AddProcess(new G4MultipleScattering, -1,1,1);
116      pmanager->AddProcess(new G4hIonisation,        -1,2,2);
117    }
118  }
119
120  // Em options
121  //
122  G4EmProcessOptions emOptions;
123   
124  //coulomb scattering
125  //
126  emOptions.SetMscStepLimitation(fUseDistanceToBoundary);   
127  emOptions.SetSkin(4.);
128 
129  //physics tables
130  //
131  emOptions.SetMinEnergy(100*eV);   
132  emOptions.SetMaxEnergy(100*TeV); 
133  emOptions.SetDEDXBinning(1200); 
134  emOptions.SetLambdaBinning(1200); 
135 
136  //energy loss
137  //
138  emOptions.SetLinearLossLimit(1.e-6);
139  emOptions.SetStepFunction(0.2, 100*um); 
140   
141  //ionization
142  //
143  emOptions.SetSubCutoff(false); 
144}
145
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147
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