G4PolarizedGammaConversion.cc

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00026 // $Id: G4PolarizedGammaConversion.cc 69847 2013-05-16 09:36:18Z gcosmo $
00027 //
00028 // -------------------------------------------------------------------
00029 //
00030 //
00031 // File name:     G4PolarizedGammaConversion
00032 //
00033 // Author:        Karim Laihem based on code by Michel Maire
00034 //
00035 // Creation date: 01.05.2005
00036 //
00037 // Class Description:
00038 //
00039 // polarized version of G4GammaConversion
00040 // 
00041 // -----------------------------------------------------------------------------
00042 
00043 #include "G4PolarizedGammaConversion.hh"
00044 #include "G4PhysicalConstants.hh"
00045 #include "G4SystemOfUnits.hh"
00046 #include "G4PolarizedGammaConversionModel.hh"
00047 #include "G4Electron.hh"
00048 
00049 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
00050 
00051 G4PolarizedGammaConversion::G4PolarizedGammaConversion(const G4String& processName,
00052   G4ProcessType type):G4VEmProcess (processName, type),
00053     isInitialised(false)
00054 {
00055   SetLambdaBinning(100);
00056   SetMinKinEnergy(2.0*electron_mass_c2);
00057   SetMaxKinEnergy(100.0*GeV);
00058   SetProcessSubType(fGammaConversion);
00059 }
00060 
00061 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
00062  
00063 G4PolarizedGammaConversion::~G4PolarizedGammaConversion()
00064 {}
00065 
00066 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
00067 
00068 void G4PolarizedGammaConversion::InitialiseProcess(const G4ParticleDefinition*)
00069 {
00070   if(!isInitialised) {
00071     isInitialised = true;
00072     //    SetVerboseLevel(1);
00073     SetBuildTableFlag(true);
00074     SetSecondaryParticle(G4Electron::Electron());
00075     G4double emin = std::max(MinKinEnergy(), 2.0*electron_mass_c2);
00076     SetMinKinEnergy(emin);
00077     G4double emax = MaxKinEnergy();
00078     //    G4VEmModel* model = new G4BetheHeitlerModel();
00079     G4VEmModel* model = new G4PolarizedGammaConversionModel();
00080     model->SetLowEnergyLimit(emin);
00081     model->SetHighEnergyLimit(emax);
00082     AddEmModel(1, model);
00083   } 
00084 }
00085 
00086 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
00087 
00088 void G4PolarizedGammaConversion::PrintInfo()
00089 {
00090   G4cout << " Total cross sections has a good parametrisation" 
00091          << " from 1.5 MeV to 100 GeV for all Z;"
00092          << "\n      sampling secondary e+e- according to the polarized compton cross section"
00093          << G4endl;
00094 }         
00095 
00096 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......

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