ECCE @ EIC Software
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Groups Pages
G4PolarizedGammaConversion.cc
Go to the documentation of this file. Or view the newest version in sPHENIX GitHub for file G4PolarizedGammaConversion.cc
1 //
2 // ********************************************************************
3 // * License and Disclaimer *
4 // * *
5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. *
10 // * *
11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitation of liability. *
17 // * *
18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Software license. *
24 // ********************************************************************
25 //
26 //
27 // -------------------------------------------------------------------
28 //
29 //
30 // File name: G4PolarizedGammaConversion
31 //
32 // Author: Karim Laihem based on code by Michel Maire
33 //
34 // Creation date: 01.05.2005
35 //
36 // Class Description:
37 //
38 // polarized version of G4GammaConversion
39 //
40 // -----------------------------------------------------------------------------
41 
42 #include "G4PolarizedGammaConversion.hh"
43 #include "G4PhysicalConstants.hh"
44 #include "G4SystemOfUnits.hh"
45 #include "G4PolarizedGammaConversionModel.hh"
46 #include "G4Electron.hh"
47 #include "G4EmParameters.hh"
48 
49 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
50 
51 G4PolarizedGammaConversion::G4PolarizedGammaConversion(const G4String& processName,
52  G4ProcessType type):G4VEmProcess (processName, type),
53  isInitialised(false)
54 {
55  SetMinKinEnergy(2.0*electron_mass_c2);
56  SetLambdaBinning(220);
57  //SetMaxKinEnergy(100.0*GeV);
58  SetProcessSubType(fGammaConversion);
59  SetBuildTableFlag(true);
60  SetSecondaryParticle(G4Electron::Electron());
61 }
62 
63 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
64 
65 G4PolarizedGammaConversion::~G4PolarizedGammaConversion()
66 {}
67 
68 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
69 
70 G4bool G4PolarizedGammaConversion::IsApplicable(const G4ParticleDefinition& p)
71 {
72  return (&p == G4Gamma::Gamma());
73 }
74 
75 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
76 
77 void G4PolarizedGammaConversion::InitialiseProcess(const G4ParticleDefinition*)
78 {
79  if(!isInitialised) {
80  isInitialised = true;
81  G4EmParameters* param = G4EmParameters::Instance();
82  G4double emin = std::max(param->MinKinEnergy(), 2*electron_mass_c2);
83  G4double emax = param->MaxKinEnergy();
84  if(!EmModel(0)) { SetEmModel(new G4PolarizedGammaConversionModel()); }
85  EmModel(0)->SetLowEnergyLimit(emin);
86  EmModel(0)->SetHighEnergyLimit(emax);
87  AddEmModel(1, EmModel(0));
88  }
89 }
90 
91 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
92 
93 void G4PolarizedGammaConversion::PrintInfo()
94 {}
95 
96 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......