| 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: G4hhIonisation.cc 66241 2012-12-13 18:34:42Z gunter $
26 // 27 //
27 // ------------------------------------------- 28 // -------------------------------------------------------------------
28 // 29 //
29 // GEANT4 Class file 30 // GEANT4 Class file
30 // 31 //
31 // 32 //
32 // File name: G4hhIonisation 33 // File name: G4hhIonisation
33 // 34 //
34 // Author: Vladimir Ivanchenko 35 // Author: Vladimir Ivanchenko
35 // 36 //
36 // Creation date: 30.09.2005 37 // Creation date: 30.09.2005
37 // 38 //
38 // Modifications: 39 // Modifications:
39 // 10-01-06 SetStepLimits -> SetStepFunction ( 40 // 10-01-06 SetStepLimits -> SetStepFunction (V.Ivantchenko)
40 // 27-10-06 Add maxKinEnergy (V.Ivantchenko) 41 // 27-10-06 Add maxKinEnergy (V.Ivantchenko)
41 // 42 //
42 // 43 //
43 // ------------------------------------------- 44 // -------------------------------------------------------------------
44 // 45 //
45 //....oooOO0OOooo........oooOO0OOooo........oo 46 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
46 //....oooOO0OOooo........oooOO0OOooo........oo 47 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
47 48
48 #include "G4hhIonisation.hh" 49 #include "G4hhIonisation.hh"
49 #include "G4PhysicalConstants.hh" 50 #include "G4PhysicalConstants.hh"
50 #include "G4SystemOfUnits.hh" 51 #include "G4SystemOfUnits.hh"
51 #include "G4BraggNoDeltaModel.hh" 52 #include "G4BraggNoDeltaModel.hh"
52 #include "G4BetheBlochNoDeltaModel.hh" 53 #include "G4BetheBlochNoDeltaModel.hh"
53 #include "G4ICRU73NoDeltaModel.hh" 54 #include "G4ICRU73NoDeltaModel.hh"
54 #include "G4UniversalFluctuation.hh" 55 #include "G4UniversalFluctuation.hh"
>> 56 #include "G4BohrFluctuations.hh"
55 #include "G4IonFluctuations.hh" 57 #include "G4IonFluctuations.hh"
56 #include "G4UnitsTable.hh" 58 #include "G4UnitsTable.hh"
57 #include "G4Electron.hh" 59 #include "G4Electron.hh"
58 #include "G4EmParameters.hh" << 60 #include "G4LossTableManager.hh"
59 61
60 //....oooOO0OOooo........oooOO0OOooo........oo 62 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
61 63
62 G4hhIonisation::G4hhIonisation(const G4String& 64 G4hhIonisation::G4hhIonisation(const G4String& name)
63 : G4VEnergyLossProcess(name) << 65 : G4VEnergyLossProcess(name),
>> 66 theParticle(0),
>> 67 theBaseParticle(0),
>> 68 isInitialised(false)
64 { 69 {
>> 70 SetStepFunction(0.1, 0.1*mm);
65 SetVerboseLevel(1); 71 SetVerboseLevel(1);
66 SetProcessSubType(fIonisation); 72 SetProcessSubType(fIonisation);
67 SetSecondaryParticle(G4Electron::Electron()) << 73 mass = 0.0;
>> 74 ratio = 0.0;
>> 75 flucModel = 0;
68 } 76 }
69 77
70 //....oooOO0OOooo........oooOO0OOooo........oo 78 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
71 79
72 G4hhIonisation::~G4hhIonisation() 80 G4hhIonisation::~G4hhIonisation()
73 {} 81 {}
74 82
75 //....oooOO0OOooo........oooOO0OOooo........oo 83 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
76 84
77 G4bool G4hhIonisation::IsApplicable(const G4Pa 85 G4bool G4hhIonisation::IsApplicable(const G4ParticleDefinition& p)
78 { 86 {
79 return (p.GetPDGCharge() != 0.0); << 87 return (p.GetPDGCharge() != 0.0 && p.GetPDGMass() > 100.0*MeV &&
>> 88 !p.IsShortLived());
80 } 89 }
81 90
82 //....oooOO0OOooo........oooOO0OOooo........oo 91 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
83 92
84 G4double G4hhIonisation::MinPrimaryEnergy(cons 93 G4double G4hhIonisation::MinPrimaryEnergy(const G4ParticleDefinition*,
85 const G4Material*, 94 const G4Material*,
86 G4double cut) 95 G4double cut)
87 { 96 {
88 G4double x = 0.5*cut/electron_mass_c2; 97 G4double x = 0.5*cut/electron_mass_c2;
89 G4double y = electron_mass_c2/mass; 98 G4double y = electron_mass_c2/mass;
90 G4double gam = x*y + std::sqrt((1. + x)*(1. 99 G4double gam = x*y + std::sqrt((1. + x)*(1. + x*y*y));
91 return mass*(gam - 1.0); 100 return mass*(gam - 1.0);
92 } 101 }
93 102
94 //....oooOO0OOooo........oooOO0OOooo........oo 103 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
95 104
96 void G4hhIonisation::InitialiseEnergyLossProce << 105 void G4hhIonisation::InitialiseEnergyLossProcess(const G4ParticleDefinition* part,
97 const G4ParticleDefinition* part, << 106 const G4ParticleDefinition* bpart)
98 const G4ParticleDefinition* bpart) <<
99 { 107 {
100 if(isInitialised) { return; } 108 if(isInitialised) { return; }
101 109
102 theParticle = part; 110 theParticle = part;
103 if(nullptr != bpart) { << 111 if(bpart) {
104 G4cout << "G4hhIonisation::InitialiseEnerg 112 G4cout << "G4hhIonisation::InitialiseEnergyLossProcess WARNING: no "
105 << "base particle should be defined for t 113 << "base particle should be defined for the process "
106 << GetProcessName() << G4endl; 114 << GetProcessName() << G4endl;
107 } 115 }
>> 116 SetBaseParticle(0);
>> 117 SetSecondaryParticle(G4Electron::Electron());
108 mass = theParticle->GetPDGMass(); 118 mass = theParticle->GetPDGMass();
109 ratio = electron_mass_c2/mass; 119 ratio = electron_mass_c2/mass;
110 G4double eth = 2*CLHEP::MeV*mass/proton_mass << 120 G4double eth = 2*MeV*mass/proton_mass_c2;
111 flucModel = new G4IonFluctuations(); 121 flucModel = new G4IonFluctuations();
112 122
113 G4EmParameters* param = G4EmParameters::Inst << 123 G4double emin = std::min(MinKinEnergy(), 0.1*eth);
114 G4double emin = std::min(param->MinKinEnergy << 124 G4double emax = std::max(MaxKinEnergy(), 100*eth);
115 G4double emax = std::max(param->MaxKinEnergy <<
116 125
117 SetMinKinEnergy(emin); 126 SetMinKinEnergy(emin);
118 SetMaxKinEnergy(emax); 127 SetMaxKinEnergy(emax);
119 G4int bin = G4lrint(param->NumberOfBinsPerDe << 128 G4int bin = G4lrint(G4LossTableManager::Instance()->GetNumberOfBinsPerDecade()
>> 129 *std::log10(emax/emin));
120 SetDEDXBinning(bin); 130 SetDEDXBinning(bin);
121 131
122 G4VEmModel* em = EmModel(0); << 132 G4VEmModel* em = 0;
123 if (nullptr == em) { << 133 if(part->GetPDGCharge() > 0.0) { em = new G4BraggNoDeltaModel(); }
124 if(part->GetPDGCharge() > 0.0) { em = new << 134 else { em = new G4ICRU73NoDeltaModel(); }
125 else { em = new G4ICRU73NoDeltaModel(); } <<
126 } <<
127 em->SetLowEnergyLimit(emin); 135 em->SetLowEnergyLimit(emin);
128 em->SetHighEnergyLimit(eth); 136 em->SetHighEnergyLimit(eth);
129 AddEmModel(1, em, flucModel); 137 AddEmModel(1, em, flucModel);
130 138
131 em = EmModel(1); << 139 em = new G4BetheBlochNoDeltaModel();
132 if(nullptr == em) { em = new G4BetheBlochNoD <<
133 em->SetLowEnergyLimit(eth); 140 em->SetLowEnergyLimit(eth);
134 em->SetHighEnergyLimit(emax); 141 em->SetHighEnergyLimit(emax);
135 AddEmModel(1, em, flucModel); 142 AddEmModel(1, em, flucModel);
136 143
137 if(verboseLevel>1) { 144 if(verboseLevel>1) {
138 G4cout << "G4hhIonisation is initialised" 145 G4cout << "G4hhIonisation is initialised" << G4endl;
139 } 146 }
140 isInitialised = true; 147 isInitialised = true;
141 } 148 }
142 149
143 //....oooOO0OOooo........oooOO0OOooo........oo 150 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
144 151
145 void G4hhIonisation::ProcessDescription(std::o << 152 void G4hhIonisation::PrintInfo()
146 { 153 {
147 out << "G4hhIonisation: no delta rays" << G4 << 154 G4cout << " Delta-ray will not be produced; "
148 G4VEnergyLossProcess::ProcessDescription(out << 155 << G4endl;
149 } 156 }
150 157
151 //....oooOO0OOooo........oooOO0OOooo........oo 158 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
152 159