Gabriele Cosmo
105 lines
4.2 KiB
C++
105 lines
4.2 KiB
C++
//
|
|
// ********************************************************************
|
|
// * License and Disclaimer *
|
|
// * *
|
|
// * The Geant4 software is copyright of the Copyright Holders of *
|
|
// * the Geant4 Collaboration. It is provided under the terms and *
|
|
// * conditions of the Geant4 Software License, included in the file *
|
|
// * LICENSE and available at http://cern.ch/geant4/license . These *
|
|
// * include a list of copyright holders. *
|
|
// * *
|
|
// * Neither the authors of this software system, nor their employing *
|
|
// * institutes,nor the agencies providing financial support for this *
|
|
// * work make any representation or warranty, express or implied, *
|
|
// * regarding this software system or assume any liability for its *
|
|
// * use. Please see the license in the file LICENSE and URL above *
|
|
// * for the full disclaimer and the limitation of liability. *
|
|
// * *
|
|
// * This code implementation is the result of the scientific and *
|
|
// * technical work of the GEANT4 collaboration. *
|
|
// * By using, copying, modifying or distributing the software (or *
|
|
// * any work based on the software) you agree to acknowledge its *
|
|
// * use in resulting scientific publications, and indicate your *
|
|
// * acceptance of all terms of the Geant4 Software license. *
|
|
// ********************************************************************
|
|
//
|
|
// $Id: G4PolarizedGammaConversion.cc,v 1.2 2006/09/26 09:08:47 gcosmo Exp $
|
|
// GEANT4 tag $Name: geant4-08-02 $
|
|
//
|
|
// -------------------------------------------------------------------
|
|
//
|
|
//
|
|
// 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 "G4PolarizedGammaConversionModel.hh"
|
|
#include "G4Electron.hh"
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
G4PolarizedGammaConversion::G4PolarizedGammaConversion(const G4String& processName,
|
|
G4ProcessType type):G4VEmProcess (processName, type),
|
|
isInitialised(false)
|
|
{
|
|
SetLambdaBinning(100);
|
|
SetMinKinEnergy(2.0*electron_mass_c2);
|
|
SetMaxKinEnergy(100.0*GeV);
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
G4PolarizedGammaConversion::~G4PolarizedGammaConversion()
|
|
{}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
void G4PolarizedGammaConversion::InitialiseProcess(const G4ParticleDefinition*)
|
|
{
|
|
if(!isInitialised) {
|
|
isInitialised = true;
|
|
// SetVerboseLevel(1);
|
|
SetBuildTableFlag(true);
|
|
SetSecondaryParticle(G4Electron::Electron());
|
|
G4double emin = std::max(MinKinEnergy(), 2.0*electron_mass_c2);
|
|
SetMinKinEnergy(emin);
|
|
G4double emax = MaxKinEnergy();
|
|
// G4VEmModel* model = new G4BetheHeitlerModel();
|
|
G4VEmModel* model = new G4PolarizedGammaConversionModel();
|
|
model->SetLowEnergyLimit(emin);
|
|
model->SetHighEnergyLimit(emax);
|
|
AddEmModel(1, model);
|
|
}
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
void G4PolarizedGammaConversion::PrintInfo()
|
|
{
|
|
G4cout << " Total cross sections has a good parametrisation"
|
|
<< " from 1.5 MeV to 100 GeV for all Z;"
|
|
<< "\n sampling secondary e+e- according to the polarized compton cross section"
|
|
<< G4endl;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
|
|
|
|
std::vector<G4DynamicParticle*>* G4PolarizedGammaConversion::SecondariesPostStep(
|
|
G4VEmModel* model,
|
|
const G4MaterialCutsCouple* couple,
|
|
const G4DynamicParticle* dp)
|
|
{
|
|
return model->SampleSecondaries(couple, dp);
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|