| 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 // $Id$
26 // 27 //
27 // ------------------------------------------- 28 // -------------------------------------------------------------------
28 // 29 //
29 // GEANT4 Class file 30 // GEANT4 Class file
30 // 31 //
31 // 32 //
32 // File name: G4hPairProduction 33 // File name: G4hPairProduction
33 // 34 //
34 // Author: Vladimir Ivanchenko on base 35 // Author: Vladimir Ivanchenko on base of model for muons
35 // 36 //
36 // Creation date: 01.03.2008 37 // Creation date: 01.03.2008
37 // 38 //
38 // Modifications: 39 // Modifications:
39 // 40 //
40 // 41 //
41 // ------------------------------------------- 42 // -------------------------------------------------------------------
42 // 43 //
43 //....oooOO0OOooo........oooOO0OOooo........oo 44 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
44 //....oooOO0OOooo........oooOO0OOooo........oo 45 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
45 46
46 #include "G4hPairProduction.hh" 47 #include "G4hPairProduction.hh"
>> 48 #include "G4SystemOfUnits.hh"
47 #include "G4hPairProductionModel.hh" 49 #include "G4hPairProductionModel.hh"
>> 50 #include "G4EmParameters.hh"
48 51
49 //....oooOO0OOooo........oooOO0OOooo........oo 52 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
50 53
>> 54 using namespace std;
>> 55
51 G4hPairProduction::G4hPairProduction(const G4S 56 G4hPairProduction::G4hPairProduction(const G4String& name)
52 : G4MuPairProduction(name) 57 : G4MuPairProduction(name)
53 {} 58 {}
54 59
55 //....oooOO0OOooo........oooOO0OOooo........oo 60 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
56 61
>> 62 G4hPairProduction::~G4hPairProduction()
>> 63 {}
>> 64
>> 65 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 66
>> 67 G4bool G4hPairProduction::IsApplicable(const G4ParticleDefinition& p)
>> 68 {
>> 69 return (p.GetPDGCharge() != 0.0 && p.GetPDGMass() > 110.0*MeV);
>> 70 }
>> 71
>> 72 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 73
57 void G4hPairProduction::InitialiseEnergyLossPr 74 void G4hPairProduction::InitialiseEnergyLossProcess(
58 const G4ParticleDefin 75 const G4ParticleDefinition* part,
59 const G4ParticleDefinition* bpart) << 76 const G4ParticleDefinition*)
60 { 77 {
61 if (nullptr == EmModel(0)) { SetEmModel(new << 78 if (!isInitialised) {
62 G4MuPairProduction::InitialiseEnergyLossProc << 79 isInitialised = true;
>> 80
>> 81 theParticle = part;
>> 82 if (!EmModel()) { SetEmModel(new G4hPairProductionModel(part)); }
>> 83
>> 84 G4double limit = part->GetPDGMass()*8.;
>> 85 if(limit > lowestKinEnergy) { lowestKinEnergy = limit; }
>> 86
>> 87 G4VEmFluctuationModel* fm = nullptr;
>> 88 G4EmParameters* param = G4EmParameters::Instance();
>> 89 EmModel()->SetLowEnergyLimit(param->MinKinEnergy());
>> 90 EmModel()->SetHighEnergyLimit(param->MaxKinEnergy());
>> 91 AddEmModel(1, EmModel(), fm);
>> 92 }
63 } 93 }
64 94
65 //....oooOO0OOooo........oooOO0OOooo........oo 95 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
66 96
67 void G4hPairProduction::ProcessDescription(std 97 void G4hPairProduction::ProcessDescription(std::ostream& out) const
68 { 98 {
69 out << "e+e- pair production by hadrons"; << 99 out << "<strong>Hadron pair production</strong>";
70 G4VEnergyLossProcess::ProcessDescription(out 100 G4VEnergyLossProcess::ProcessDescription(out);
71 } 101 }
72 102
73 //....oooOO0OOooo........oooOO0OOooo........oo 103 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
74 104