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PhysListEmStandard_option4.cc
Go to the documentation of this file. Or view the newest version in sPHENIX GitHub for file PhysListEmStandard_option4.cc
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28 //
29 //
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32 
33 #include "PhysListEmStandard_option4.hh"
34 #include "DetectorConstruction.hh"
35 
36 #include "G4ParticleDefinition.hh"
37 #include "G4ProcessManager.hh"
38 
39 #include "G4ComptonScattering.hh"
40 #include "MyKleinNishinaCompton.hh"
41 #include "G4GammaConversion.hh"
42 #include "G4PhotoElectricEffect.hh"
43 
44 #include "G4eMultipleScattering.hh"
46 
47 #include "G4eIonisation.hh"
48 #include "MyMollerBhabhaModel.hh"
49 #include "G4eBremsstrahlung.hh"
50 #include "G4eplusAnnihilation.hh"
51 
52 #include "G4hIonisation.hh"
53 #include "G4hMultipleScattering.hh"
54 
55 #include "G4EmParameters.hh"
56 #include "G4MscStepLimitType.hh"
57 
58 #include "G4BuilderType.hh"
59 #include "G4SystemOfUnits.hh"
60 
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62 
65 : G4VPhysicsConstructor(name), fDetector(det)
66 {
68  param->SetDefaults();
69  param->SetVerbose(1);
70  param->SetMinEnergy(100*eV);
71  param->SetMaxEnergy(10*GeV);
72  param->SetNumberOfBinsPerDecade(20);
73  param->SetLowestElectronEnergy(100*eV);
74  param->SetStepFunction(0.2, 10*um);
76  param->SetBuildCSDARange(true);
77  param->SetMaxEnergyForCSDARange(10*GeV);
78  param->SetUseMottCorrection(true);
80  param->SetMscSkin(3);
81  param->SetMscRangeFactor(0.08);
83 }
84 
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86 
88 {}
89 
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91 
93 {
94  // Add standard EM Processes
95  //
96 
98  particleIterator->reset();
99  while( (*particleIterator)() ){
101  G4ProcessManager* pmanager = particle->GetProcessManager();
102  G4String particleName = particle->GetParticleName();
103 
104  if (particleName == "gamma") {
105  // gamma
106 
107  G4ComptonScattering* compton = new G4ComptonScattering();
108  MyKleinNishinaCompton* comptonModel =
110  comptonModel->SetCSFactor(1000.);
111  compton->SetEmModel(comptonModel );
112 
114  pmanager->AddDiscreteProcess(compton);
115  pmanager->AddDiscreteProcess(new G4GammaConversion);
116 
117  } else if (particleName == "e-") {
118  //electron
119 
122 
123  G4eIonisation* eIoni = new G4eIonisation();
124  eIoni->SetEmModel(new MyMollerBhabhaModel);
125 
126  pmanager->AddProcess(eMsc, -1, 1,-1);
127  pmanager->AddProcess(eIoni, -1, 2, 1);
128 
129  } else if (particleName == "e+") {
130  //positron
131 
134 
135  G4eIonisation* pIoni = new G4eIonisation();
136  pIoni->SetEmModel(new MyMollerBhabhaModel);
137 
138  pmanager->AddProcess(pMsc, -1, 1,-1);
139  pmanager->AddProcess(pIoni, -1, 2, 1);
140  pmanager->AddProcess(new G4eplusAnnihilation, 0,-1, 2);
141 
142  } else if( particleName == "proton" ) {
143  //proton
144  pmanager->AddProcess(new G4hMultipleScattering, -1, 1,-1);
145  pmanager->AddProcess(new G4hIonisation, -1, 2, 1);
146  }
147  }
148 }
149 
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151