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>> 26 // $Id: G4hhIonisation.cc,v 1.11 2010-10-26 14:15:40 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: G4hhIonisation 34 // File name: G4hhIonisation
33 // 35 //
34 // Author: Vladimir Ivanchenko 36 // Author: Vladimir Ivanchenko
35 // 37 //
36 // Creation date: 30.09.2005 38 // Creation date: 30.09.2005
37 // 39 //
38 // Modifications: 40 // Modifications:
39 // 10-01-06 SetStepLimits -> SetStepFunction ( 41 // 10-01-06 SetStepLimits -> SetStepFunction (V.Ivantchenko)
40 // 27-10-06 Add maxKinEnergy (V.Ivantchenko) 42 // 27-10-06 Add maxKinEnergy (V.Ivantchenko)
41 // 43 //
42 // 44 //
43 // ------------------------------------------- 45 // -------------------------------------------------------------------
44 // 46 //
45 //....oooOO0OOooo........oooOO0OOooo........oo 47 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
46 //....oooOO0OOooo........oooOO0OOooo........oo 48 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
47 49
48 #include "G4hhIonisation.hh" 50 #include "G4hhIonisation.hh"
49 #include "G4PhysicalConstants.hh" <<
50 #include "G4SystemOfUnits.hh" <<
51 #include "G4BraggNoDeltaModel.hh" 51 #include "G4BraggNoDeltaModel.hh"
52 #include "G4BetheBlochNoDeltaModel.hh" 52 #include "G4BetheBlochNoDeltaModel.hh"
53 #include "G4ICRU73NoDeltaModel.hh" 53 #include "G4ICRU73NoDeltaModel.hh"
54 #include "G4UniversalFluctuation.hh" 54 #include "G4UniversalFluctuation.hh"
55 #include "G4IonFluctuations.hh" << 55 #include "G4BohrFluctuations.hh"
56 #include "G4UnitsTable.hh" 56 #include "G4UnitsTable.hh"
57 #include "G4Electron.hh" 57 #include "G4Electron.hh"
58 #include "G4EmParameters.hh" <<
59 58
60 //....oooOO0OOooo........oooOO0OOooo........oo 59 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
61 60
62 G4hhIonisation::G4hhIonisation(const G4String& 61 G4hhIonisation::G4hhIonisation(const G4String& name)
63 : G4VEnergyLossProcess(name) << 62 : G4VEnergyLossProcess(name),
>> 63 theParticle(0),
>> 64 theBaseParticle(0),
>> 65 isInitialised(false)
64 { 66 {
>> 67 SetStepFunction(0.1, 0.1*mm);
65 SetVerboseLevel(1); 68 SetVerboseLevel(1);
66 SetProcessSubType(fIonisation); 69 SetProcessSubType(fIonisation);
67 SetSecondaryParticle(G4Electron::Electron()) << 70 mass = 0.0;
>> 71 ratio = 0.0;
68 } 72 }
69 73
70 //....oooOO0OOooo........oooOO0OOooo........oo 74 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
71 75
72 G4hhIonisation::~G4hhIonisation() 76 G4hhIonisation::~G4hhIonisation()
73 {} 77 {}
74 78
75 //....oooOO0OOooo........oooOO0OOooo........oo 79 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
76 80
77 G4bool G4hhIonisation::IsApplicable(const G4Pa 81 G4bool G4hhIonisation::IsApplicable(const G4ParticleDefinition& p)
78 { 82 {
79 return (p.GetPDGCharge() != 0.0); << 83 return (p.GetPDGCharge() != 0.0 && p.GetPDGMass() > 100.0*MeV &&
>> 84 !p.IsShortLived());
80 } 85 }
81 86
82 //....oooOO0OOooo........oooOO0OOooo........oo 87 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
83 88
84 G4double G4hhIonisation::MinPrimaryEnergy(cons 89 G4double G4hhIonisation::MinPrimaryEnergy(const G4ParticleDefinition*,
85 const G4Material*, 90 const G4Material*,
86 G4double cut) 91 G4double cut)
87 { 92 {
88 G4double x = 0.5*cut/electron_mass_c2; 93 G4double x = 0.5*cut/electron_mass_c2;
89 G4double y = electron_mass_c2/mass; 94 G4double y = electron_mass_c2/mass;
90 G4double gam = x*y + std::sqrt((1. + x)*(1. << 95 G4double g = x*y + std::sqrt((1. + x)*(1. + x*y*y));
91 return mass*(gam - 1.0); << 96 return mass*(g - 1.0);
92 } 97 }
93 98
94 //....oooOO0OOooo........oooOO0OOooo........oo 99 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
95 100
96 void G4hhIonisation::InitialiseEnergyLossProce << 101 void G4hhIonisation::InitialiseEnergyLossProcess(const G4ParticleDefinition* part,
97 const G4ParticleDefinition* part, << 102 const G4ParticleDefinition* bpart)
98 const G4ParticleDefinition* bpart) <<
99 { 103 {
100 if(isInitialised) { return; } 104 if(isInitialised) { return; }
101 105
102 theParticle = part; 106 theParticle = part;
103 if(nullptr != bpart) { << 107 if(bpart) {
104 G4cout << "G4hhIonisation::InitialiseEnerg 108 G4cout << "G4hhIonisation::InitialiseEnergyLossProcess WARNING: no "
105 << "base particle should be defined for t 109 << "base particle should be defined for the process "
106 << GetProcessName() << G4endl; 110 << GetProcessName() << G4endl;
107 } 111 }
>> 112 SetBaseParticle(0);
>> 113 SetSecondaryParticle(G4Electron::Electron());
>> 114 //G4double q = theParticle->GetPDGCharge();
108 mass = theParticle->GetPDGMass(); 115 mass = theParticle->GetPDGMass();
109 ratio = electron_mass_c2/mass; 116 ratio = electron_mass_c2/mass;
110 G4double eth = 2*CLHEP::MeV*mass/proton_mass << 117 G4double eth = 2*MeV*mass/proton_mass_c2;
111 flucModel = new G4IonFluctuations(); << 118 flucModel = new G4BohrFluctuations();
>> 119
>> 120 G4int nm = 1;
>> 121
>> 122 G4double minKinEnergy = MinKinEnergy();
>> 123
>> 124 if(eth > minKinEnergy) {
>> 125 G4VEmModel* em;
>> 126 em = new G4BraggNoDeltaModel();
>> 127 //if(q > 0.0) { em = new G4BraggNoDeltaModel(); }
>> 128 //else { em = new G4ICRU73NoDeltaModel(); }
>> 129 em->SetLowEnergyLimit(minKinEnergy);
>> 130 em->SetHighEnergyLimit(eth);
>> 131 AddEmModel(nm, em, flucModel);
>> 132 ++nm;
>> 133 }
112 134
113 G4EmParameters* param = G4EmParameters::Inst << 135 if(eth < MaxKinEnergy()) {
114 G4double emin = std::min(param->MinKinEnergy << 136 G4VEmModel* em1 = new G4BetheBlochNoDeltaModel();
115 G4double emax = std::max(param->MaxKinEnergy << 137 em1->SetLowEnergyLimit(std::max(eth,minKinEnergy));
116 << 138 em1->SetHighEnergyLimit(MaxKinEnergy());
117 SetMinKinEnergy(emin); << 139 AddEmModel(nm, em1, flucModel);
118 SetMaxKinEnergy(emax); <<
119 G4int bin = G4lrint(param->NumberOfBinsPerDe <<
120 SetDEDXBinning(bin); <<
121 <<
122 G4VEmModel* em = EmModel(0); <<
123 if (nullptr == em) { <<
124 if(part->GetPDGCharge() > 0.0) { em = new <<
125 else { em = new G4ICRU73NoDeltaModel(); } <<
126 } 140 }
127 em->SetLowEnergyLimit(emin); <<
128 em->SetHighEnergyLimit(eth); <<
129 AddEmModel(1, em, flucModel); <<
130 <<
131 em = EmModel(1); <<
132 if(nullptr == em) { em = new G4BetheBlochNoD <<
133 em->SetLowEnergyLimit(eth); <<
134 em->SetHighEnergyLimit(emax); <<
135 AddEmModel(1, em, flucModel); <<
136 141
137 if(verboseLevel>1) { 142 if(verboseLevel>1) {
138 G4cout << "G4hhIonisation is initialised" << 143 G4cout << "G4hhIonisation is initialised: Nmodels= " << nm << G4endl;
139 } 144 }
140 isInitialised = true; 145 isInitialised = true;
141 } 146 }
142 147
143 //....oooOO0OOooo........oooOO0OOooo........oo 148 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
144 149
145 void G4hhIonisation::ProcessDescription(std::o << 150 void G4hhIonisation::PrintInfo()
146 { 151 {
147 out << "G4hhIonisation: no delta rays" << G4 << 152 G4cout << " Delta-ray will not be produced; "
148 G4VEnergyLossProcess::ProcessDescription(out << 153 << G4endl;
149 } 154 }
150 155
151 //....oooOO0OOooo........oooOO0OOooo........oo 156 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
152 157