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25 // 25 //
>> 26 // $Id: G4PolarizedGammaConversion.cc,v 1.5 2008-10-30 22:34:23 schaelic Exp $
>> 27 // GEANT4 tag $Name: not supported by cvs2svn $
>> 28 //
26 // ------------------------------------------- 29 // -------------------------------------------------------------------
27 // 30 //
>> 31 //
28 // File name: G4PolarizedGammaConversion 32 // File name: G4PolarizedGammaConversion
29 // 33 //
30 // Author: Karim Laihem based on code b 34 // Author: Karim Laihem based on code by Michel Maire
31 // 35 //
>> 36 // Creation date: 01.05.2005
>> 37 //
32 // Class Description: 38 // Class Description:
33 // polarized version of G4GammaConversion <<
34 // 39 //
>> 40 // polarized version of G4GammaConversion
>> 41 //
35 // ------------------------------------------- 42 // -----------------------------------------------------------------------------
36 43
37 #include "G4PolarizedGammaConversion.hh" 44 #include "G4PolarizedGammaConversion.hh"
38 <<
39 #include "G4Electron.hh" <<
40 #include "G4EmParameters.hh" <<
41 #include "G4Gamma.hh" <<
42 #include "G4PhysicalConstants.hh" <<
43 #include "G4PolarizedGammaConversionModel.hh" 45 #include "G4PolarizedGammaConversionModel.hh"
44 #include "G4SystemOfUnits.hh" << 46 #include "G4Electron.hh"
45 47
46 //....oooOO0OOooo........oooOO0OOooo........oo 48 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
47 G4PolarizedGammaConversion::G4PolarizedGammaCo << 49
48 const G4String& processName, G4ProcessType t << 50 G4PolarizedGammaConversion::G4PolarizedGammaConversion(const G4String& processName,
49 : G4VEmProcess(processName, type) << 51 G4ProcessType type):G4VEmProcess (processName, type),
50 , fIsInitialised(false) << 52 isInitialised(false)
51 { 53 {
52 SetMinKinEnergy(2.0 * electron_mass_c2); << 54 SetLambdaBinning(100);
53 SetLambdaBinning(220); << 55 SetMinKinEnergy(2.0*electron_mass_c2);
>> 56 SetMaxKinEnergy(100.0*GeV);
54 SetProcessSubType(fGammaConversion); 57 SetProcessSubType(fGammaConversion);
55 SetBuildTableFlag(true); <<
56 SetSecondaryParticle(G4Electron::Electron()) <<
57 } 58 }
58 59
59 //....oooOO0OOooo........oooOO0OOooo........oo 60 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
60 G4PolarizedGammaConversion::~G4PolarizedGammaC << 61
>> 62 G4PolarizedGammaConversion::~G4PolarizedGammaConversion()
>> 63 {}
61 64
62 //....oooOO0OOooo........oooOO0OOooo........oo 65 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
63 void G4PolarizedGammaConversion::ProcessDescri <<
64 { <<
65 out << "Polarized model for gamma conversion <<
66 <<
67 G4VEmProcess::ProcessDescription(out); <<
68 } <<
69 66
70 //....oooOO0OOooo........oooOO0OOooo........oo << 67 void G4PolarizedGammaConversion::InitialiseProcess(const G4ParticleDefinition*)
71 G4bool G4PolarizedGammaConversion::IsApplicabl <<
72 { 68 {
73 return (&p == G4Gamma::Gamma()); << 69 if(!isInitialised) {
>> 70 isInitialised = true;
>> 71 // SetVerboseLevel(1);
>> 72 SetBuildTableFlag(true);
>> 73 SetSecondaryParticle(G4Electron::Electron());
>> 74 G4double emin = std::max(MinKinEnergy(), 2.0*electron_mass_c2);
>> 75 SetMinKinEnergy(emin);
>> 76 G4double emax = MaxKinEnergy();
>> 77 // G4VEmModel* model = new G4BetheHeitlerModel();
>> 78 G4VEmModel* model = new G4PolarizedGammaConversionModel();
>> 79 model->SetLowEnergyLimit(emin);
>> 80 model->SetHighEnergyLimit(emax);
>> 81 AddEmModel(1, model);
>> 82 }
74 } 83 }
75 84
76 //....oooOO0OOooo........oooOO0OOooo........oo << 85 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
77 void G4PolarizedGammaConversion::InitialisePro << 86
>> 87 void G4PolarizedGammaConversion::PrintInfo()
78 { 88 {
79 if(!fIsInitialised) << 89 G4cout << " Total cross sections has a good parametrisation"
80 { << 90 << " from 1.5 MeV to 100 GeV for all Z;"
81 fIsInitialised = true; << 91 << "\n sampling secondary e+e- according to the polarized compton cross section"
82 G4EmParameters* param = G4EmParameters::In << 92 << G4endl;
83 G4double emin = std::max(param->MinKinEner << 93 }
84 G4double emax = param->MaxKinEnergy(); << 94
85 if(!EmModel(0)) << 95 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
86 { <<
87 SetEmModel(new G4PolarizedGammaConversio <<
88 } <<
89 EmModel(0)->SetLowEnergyLimit(emin); <<
90 EmModel(0)->SetHighEnergyLimit(emax); <<
91 AddEmModel(1, EmModel(0)); <<
92 } <<
93 } <<
94 96