G4PolarizedGammaConversion.cc

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// $Id: G4PolarizedGammaConversion.cc 109176 2018-04-03 06:53:39Z gcosmo $
//
// -------------------------------------------------------------------
//
//
// File name:     G4PolarizedGammaConversion
//
// Author:        Karim Laihem based on code by Michel Maire
//
// Creation date: 01.05.2005
//
// Class Description:
//
// polarized version of G4GammaConversion
// 
// -----------------------------------------------------------------------------

#include "G4PolarizedGammaConversion.hh"
#include "G4PhysicalConstants.hh"
#include "G4SystemOfUnits.hh"
#include "G4PolarizedGammaConversionModel.hh"
#include "G4Electron.hh"
#include "G4EmParameters.hh"

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G4PolarizedGammaConversion::G4PolarizedGammaConversion(const G4String& processName,
  G4ProcessType type):G4VEmProcess (processName, type),
    isInitialised(false)
{
  SetMinKinEnergy(2.0*electron_mass_c2);
  SetLambdaBinning(220);
  //SetMaxKinEnergy(100.0*GeV);
  SetProcessSubType(fGammaConversion);
  SetBuildTableFlag(true);
  SetSecondaryParticle(G4Electron::Electron());
}

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G4PolarizedGammaConversion::~G4PolarizedGammaConversion()
{}

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G4bool G4PolarizedGammaConversion::IsApplicable(const G4ParticleDefinition& p)
{
  return (&p == G4Gamma::Gamma());
}

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void G4PolarizedGammaConversion::InitialiseProcess(const G4ParticleDefinition*)
{
  if(!isInitialised) {
    isInitialised = true;
    G4EmParameters* param = G4EmParameters::Instance();
    G4double emin = std::max(param->MinKinEnergy(), 2*electron_mass_c2);
    G4double emax = param->MaxKinEnergy();
    if(!EmModel(0)) { SetEmModel(new G4PolarizedGammaConversionModel()); }
    EmModel(0)->SetLowEnergyLimit(emin);
    EmModel(0)->SetHighEnergyLimit(emax);
    AddEmModel(1, EmModel(0));
  } 
}

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void G4PolarizedGammaConversion::PrintInfo()
{}         

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