| Geant4 Cross Reference |
1 // 1 //
2 // ******************************************* 2 // ********************************************************************
3 // * License and Disclaimer 3 // * License and Disclaimer *
4 // * 4 // * *
5 // * The Geant4 software is copyright of th 5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided 6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License 7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/ 8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. 9 // * include a list of copyright holders. *
10 // * 10 // * *
11 // * Neither the authors of this software syst 11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing fin 12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warran 13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assum 14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file 15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. *
17 // * 17 // * *
18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. *
24 // ******************************************* 24 // ********************************************************************
25 // 25 //
>> 26 // $Id: G4hPairProduction.cc,v 1.4 2009-02-20 16:38:33 vnivanch Exp $
>> 27 // GEANT4 tag $Name: not supported by cvs2svn $
26 // 28 //
27 // ------------------------------------------- 29 // -------------------------------------------------------------------
28 // 30 //
29 // GEANT4 Class file 31 // GEANT4 Class file
30 // 32 //
31 // 33 //
32 // File name: G4hPairProduction 34 // File name: G4hPairProduction
33 // 35 //
34 // Author: Vladimir Ivanchenko on base 36 // Author: Vladimir Ivanchenko on base of model for muons
35 // 37 //
36 // Creation date: 01.03.2008 38 // Creation date: 01.03.2008
37 // 39 //
38 // Modifications: 40 // Modifications:
39 // 41 //
40 // 42 //
41 // ------------------------------------------- 43 // -------------------------------------------------------------------
42 // 44 //
43 //....oooOO0OOooo........oooOO0OOooo........oo 45 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
44 //....oooOO0OOooo........oooOO0OOooo........oo 46 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
45 47
46 #include "G4hPairProduction.hh" 48 #include "G4hPairProduction.hh"
>> 49 #include "G4Electron.hh"
>> 50 #include "G4Positron.hh"
47 #include "G4hPairProductionModel.hh" 51 #include "G4hPairProductionModel.hh"
>> 52 #include "G4UniversalFluctuation.hh"
48 53
49 //....oooOO0OOooo........oooOO0OOooo........oo 54 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
50 55
>> 56 using namespace std;
>> 57
51 G4hPairProduction::G4hPairProduction(const G4S 58 G4hPairProduction::G4hPairProduction(const G4String& name)
52 : G4MuPairProduction(name) << 59 : G4VEnergyLossProcess(name),
>> 60 theParticle(0),
>> 61 theBaseParticle(0),
>> 62 lowestKinEnergy(1.*GeV),
>> 63 isInitialised(false)
>> 64 {
>> 65 SetProcessSubType(fPairProdByCharged);
>> 66 }
>> 67
>> 68 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 69
>> 70 G4hPairProduction::~G4hPairProduction()
53 {} 71 {}
54 72
55 //....oooOO0OOooo........oooOO0OOooo........oo 73 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
56 74
57 void G4hPairProduction::InitialiseEnergyLossPr << 75 G4bool G4hPairProduction::IsApplicable(const G4ParticleDefinition& p)
58 const G4ParticleDefin << 76 {
59 const G4ParticleDefinition* bpart) << 77 return (p.GetPDGCharge() != 0.0 && p.GetPDGMass() > 110.0*MeV);
>> 78 }
>> 79
>> 80 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 81
>> 82 G4double G4hPairProduction::MinPrimaryEnergy(const G4ParticleDefinition*,
>> 83 const G4Material*,
>> 84 G4double)
60 { 85 {
61 if (nullptr == EmModel(0)) { SetEmModel(new << 86 return lowestKinEnergy;
62 G4MuPairProduction::InitialiseEnergyLossProc <<
63 } 87 }
64 88
65 //....oooOO0OOooo........oooOO0OOooo........oo 89 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
66 90
67 void G4hPairProduction::ProcessDescription(std << 91 void G4hPairProduction::InitialiseEnergyLossProcess(
>> 92 const G4ParticleDefinition* part,
>> 93 const G4ParticleDefinition*)
68 { 94 {
69 out << "e+e- pair production by hadrons"; << 95 if (!isInitialised) {
70 G4VEnergyLossProcess::ProcessDescription(out << 96 isInitialised = true;
>> 97
>> 98 theParticle = part;
>> 99 SetSecondaryParticle(G4Positron::Positron());
>> 100 SetIonisation(false);
>> 101
>> 102 if (!EmModel()) { SetEmModel(new G4hPairProductionModel()); }
>> 103
>> 104 G4VEmFluctuationModel* fm = 0;
>> 105 EmModel()->SetLowEnergyLimit(MinKinEnergy());
>> 106 EmModel()->SetHighEnergyLimit(MaxKinEnergy());
>> 107 AddEmModel(1, EmModel(), fm);
>> 108 }
71 } 109 }
72 110
73 //....oooOO0OOooo........oooOO0OOooo........oo 111 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 112
>> 113 void G4hPairProduction::PrintInfo()
>> 114 {}
>> 115
>> 116 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 117
>> 118
>> 119
>> 120
74 121