| 1 | //
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| 2 | // ********************************************************************
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| 3 | // * License and Disclaimer *
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| 4 | // * *
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of *
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and *
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| 7 | // * conditions of the Geant4 Software License, included in the file *
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These *
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| 9 | // * include a list of copyright holders. *
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| 10 | // * *
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| 11 | // * Neither the authors of this software system, nor their employing *
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| 12 | // * institutes,nor the agencies providing financial support for this *
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| 13 | // * work make any representation or warranty, express or implied, *
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| 14 | // * regarding this software system or assume any liability for its *
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| 15 | // * use. Please see the license in the file LICENSE and URL above *
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| 16 | // * for the full disclaimer and the limitation of liability. *
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| 17 | // * *
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| 18 | // * This code implementation is the result of the scientific and *
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| 19 | // * technical work of the GEANT4 collaboration. *
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| 20 | // * By using, copying, modifying or distributing the software (or *
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| 21 | // * any work based on the software) you agree to acknowledge its *
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| 22 | // * use in resulting scientific publications, and indicate your *
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| 23 | // * acceptance of all terms of the Geant4 Software license. *
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| 24 | // ********************************************************************
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| 25 | //
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| 26 | // $Id: G4PolarizedGammaConversion.cc,v 1.5 2008/10/30 22:34:23 schaelic Exp $
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| 27 | // GEANT4 tag $Name: geant4-09-03-cand-01 $
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| 28 | //
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| 29 | // -------------------------------------------------------------------
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| 30 | //
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| 31 | //
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| 32 | // File name: G4PolarizedGammaConversion
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| 33 | //
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| 34 | // Author: Karim Laihem based on code by Michel Maire
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| 35 | //
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| 36 | // Creation date: 01.05.2005
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| 37 | //
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| 38 | // Class Description:
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| 39 | //
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| 40 | // polarized version of G4GammaConversion
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| 41 | //
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| 42 | // -----------------------------------------------------------------------------
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| 43 |
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| 44 | #include "G4PolarizedGammaConversion.hh"
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| 45 | #include "G4PolarizedGammaConversionModel.hh"
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| 46 | #include "G4Electron.hh"
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| 47 |
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| 48 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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| 49 |
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| 50 | G4PolarizedGammaConversion::G4PolarizedGammaConversion(const G4String& processName,
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| 51 | G4ProcessType type):G4VEmProcess (processName, type),
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| 52 | isInitialised(false)
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| 53 | {
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| 54 | SetLambdaBinning(100);
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| 55 | SetMinKinEnergy(2.0*electron_mass_c2);
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| 56 | SetMaxKinEnergy(100.0*GeV);
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| 57 | SetProcessSubType(fGammaConversion);
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| 58 | }
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| 59 |
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| 60 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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| 61 |
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| 62 | G4PolarizedGammaConversion::~G4PolarizedGammaConversion()
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| 63 | {}
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| 64 |
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| 65 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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| 66 |
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| 67 | void G4PolarizedGammaConversion::InitialiseProcess(const G4ParticleDefinition*)
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| 68 | {
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| 69 | if(!isInitialised) {
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| 70 | isInitialised = true;
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| 71 | // SetVerboseLevel(1);
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| 72 | SetBuildTableFlag(true);
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| 73 | SetSecondaryParticle(G4Electron::Electron());
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| 74 | G4double emin = std::max(MinKinEnergy(), 2.0*electron_mass_c2);
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| 75 | SetMinKinEnergy(emin);
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| 76 | G4double emax = MaxKinEnergy();
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| 77 | // G4VEmModel* model = new G4BetheHeitlerModel();
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| 78 | G4VEmModel* model = new G4PolarizedGammaConversionModel();
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| 79 | model->SetLowEnergyLimit(emin);
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| 80 | model->SetHighEnergyLimit(emax);
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| 81 | AddEmModel(1, model);
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| 82 | }
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| 83 | }
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| 84 |
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| 85 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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| 86 |
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| 87 | void G4PolarizedGammaConversion::PrintInfo()
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| 88 | {
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| 89 | G4cout << " Total cross sections has a good parametrisation"
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| 90 | << " from 1.5 MeV to 100 GeV for all Z;"
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| 91 | << "\n sampling secondary e+e- according to the polarized compton cross section"
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| 92 | << G4endl;
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| 93 | }
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| 94 |
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| 95 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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