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25 // 22 //
26 // 23 //
27 // ------------------------------------------- 24 // -------------------------------------------------------------------
28 // 25 //
29 // GEANT4 Class file 26 // GEANT4 Class file
30 // 27 //
31 // 28 //
32 // File name: G4ionIonisation 29 // File name: G4ionIonisation
33 // 30 //
34 // Author: Vladimir Ivanchenko 31 // Author: Vladimir Ivanchenko
35 // 32 //
36 // Creation date: 07.05.2002 33 // Creation date: 07.05.2002
37 // 34 //
38 // Modifications: 35 // Modifications:
39 // 36 //
40 // 23-12-02 Change interface in order to move 37 // 23-12-02 Change interface in order to move to cut per region (V.Ivanchenko)
41 // 26-12-02 Secondary production moved to deri 38 // 26-12-02 Secondary production moved to derived classes (V.Ivanchenko)
42 // 13-02-03 SubCutoff regime is assigned to a 39 // 13-02-03 SubCutoff regime is assigned to a region (V.Ivanchenko)
43 // 18-04-03 Use IonFluctuations (V.Ivanchenko) 40 // 18-04-03 Use IonFluctuations (V.Ivanchenko)
44 // 03-08-03 Add effective charge (V.Ivanchenko <<
45 // 12-11-03 G4EnergyLossSTD -> G4EnergyLossPro <<
46 // 27-05-04 Set integral to be a default regim <<
47 // 08-11-04 Migration to new interface of Stor <<
48 // 08-04-05 Major optimisation of internal int <<
49 // 10-01-06 SetStepLimits -> SetStepFunction ( <<
50 // 10-05-06 Add a possibility to download user <<
51 // 13-05-06 Add data for light ion stopping in <<
52 // 14-01-07 use SetEmModel() and SetFluctModel <<
53 // 16-05-07 Add data for light ion stopping on <<
54 // 07-11-07 Fill non-ionizing energy loss (V.I <<
55 // 12-09-08 Removed InitialiseMassCharge and C <<
56 // 41 //
57 // 42 //
58 // ------------------------------------------- 43 // -------------------------------------------------------------------
59 // 44 //
60 //....oooOO0OOooo........oooOO0OOooo........oo 45 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
61 //....oooOO0OOooo........oooOO0OOooo........oo 46 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
62 47
63 #include "G4ionIonisation.hh" 48 #include "G4ionIonisation.hh"
64 #include "G4PhysicalConstants.hh" <<
65 #include "G4SystemOfUnits.hh" <<
66 #include "G4Electron.hh" 49 #include "G4Electron.hh"
67 #include "G4GenericIon.hh" << 50 #include "G4Proton.hh"
>> 51 #include "G4AntiProton.hh"
68 #include "G4BraggModel.hh" 52 #include "G4BraggModel.hh"
69 #include "G4BraggIonModel.hh" <<
70 #include "G4BetheBlochModel.hh" 53 #include "G4BetheBlochModel.hh"
71 #include "G4LossTableManager.hh" << 54 #include "G4IonFluctuations.hh"
72 #include "G4EmParameters.hh" << 55 #include "G4UnitsTable.hh"
73 #include "G4EmStandUtil.hh" <<
74 56
75 //....oooOO0OOooo........oooOO0OOooo........oo 57 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
76 58
77 G4ionIonisation::G4ionIonisation(const G4Strin 59 G4ionIonisation::G4ionIonisation(const G4String& name)
78 : G4VEnergyLossProcess(name) << 60 : G4VEnergyLossSTD(name),
>> 61 theParticle(0),
>> 62 theBaseParticle(G4Proton::Proton()),
>> 63 subCutoff(false)
79 { 64 {
80 SetLinearLossLimit(0.02); << 65 InitialiseProcess();
81 SetProcessSubType(fIonisation); <<
82 SetSecondaryParticle(G4Electron::Electron()) <<
83 eth = 2*CLHEP::MeV; <<
84 } 66 }
85 67
86 //....oooOO0OOooo........oooOO0OOooo........oo 68 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
87 69
88 G4bool G4ionIonisation::IsApplicable(const G4P << 70 G4ionIonisation::~G4ionIonisation()
>> 71 {}
>> 72
>> 73 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 74
>> 75 void G4ionIonisation::InitialiseProcess()
89 { 76 {
90 return true; << 77 SetVerboseLevel(0);
>> 78
>> 79 SetSecondaryParticle(G4Electron::Electron());
>> 80
>> 81 SetDEDXBinning(120);
>> 82 SetLambdaBinning(120);
>> 83 SetMinKinEnergy(0.1*keV);
>> 84 SetMaxKinEnergy(100.0*TeV);
>> 85
>> 86 G4VEmFluctuationModel* fm = new G4IonFluctuations();
>> 87
>> 88 G4VEmModel* em = new G4BraggModel();
>> 89 em->SetLowEnergyLimit(0.1*keV);
>> 90 em->SetHighEnergyLimit(2.0*MeV);
>> 91 AddEmModel(1, em, fm);
>> 92 G4VEmModel* em1 = new G4BetheBlochModel();
>> 93 em1->SetLowEnergyLimit(2.0*MeV);
>> 94 em1->SetHighEnergyLimit(100.0*TeV);
>> 95 AddEmModel(2, em1, fm);
>> 96
91 } 97 }
92 98
93 //....oooOO0OOooo........oooOO0OOooo........oo 99 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
94 100
95 G4double G4ionIonisation::MinPrimaryEnergy(con << 101 const G4ParticleDefinition* G4ionIonisation::DefineBaseParticle(
96 const G4Material*, << 102 const G4ParticleDefinition* p)
97 G4double cut) <<
98 { 103 {
99 return p->GetPDGMass()*(std::sqrt(1. + 0.5*c << 104 if(!theParticle) theParticle = p;
>> 105 return theBaseParticle;
100 } 106 }
101 107
102 //....oooOO0OOooo........oooOO0OOooo........oo 108 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
103 109
104 void G4ionIonisation::InitialiseEnergyLossProc << 110 void G4ionIonisation::PrintInfoDefinition() const
105 const G4ParticleDefinition* part, <<
106 const G4ParticleDefinition* bpart) <<
107 { 111 {
108 const G4ParticleDefinition* ion = G4GenericI << 112 G4VEnergyLossSTD::PrintInfoDefinition();
109 113
110 if(!isInitialised) { << 114 G4cout << " Scaling relation is used to proton dE/dx and range"
111 theParticle = part; << 115 << G4endl
112 << 116 << " Bether-Bloch model for Escaled > 2 MeV, "
113 // define base particle << 117 << "parametrisation of Bragg peak below."
114 const G4ParticleDefinition* theBaseParticl << 118 << G4endl;
115 const G4int pdg = part->GetPDGEncoding(); <<
116 <<
117 if(part == bpart) { <<
118 theBaseParticle = nullptr; <<
119 } else if(nullptr != bpart) { <<
120 theBaseParticle = bpart; <<
121 } else if(part == ion || pdg == 1000020040 <<
122 theBaseParticle = nullptr; <<
123 } else { <<
124 theBaseParticle = ion; <<
125 } <<
126 SetBaseParticle(theBaseParticle); <<
127 <<
128 // model limit defined for protons <<
129 eth = 2*CLHEP::MeV*part->GetPDGMass()/CLHE <<
130 <<
131 G4EmParameters* param = G4EmParameters::In <<
132 G4double emin = param->MinKinEnergy(); <<
133 G4double emax = param->MaxKinEnergy(); <<
134 <<
135 // define model of energy loss fluctuation <<
136 if (nullptr == FluctModel()) { <<
137 SetFluctModel(G4EmStandUtil::ModelOfFluc <<
138 } <<
139 <<
140 if (nullptr == EmModel(0)) { <<
141 if (pdg == 1000020040) { <<
142 SetEmModel(new G4BraggIonModel()); <<
143 } else { <<
144 SetEmModel(new G4BraggModel()); <<
145 } <<
146 } <<
147 // to compute ranges correctly we have to <<
148 // model even if activation limit is high <<
149 EmModel(0)->SetLowEnergyLimit(emin); <<
150 <<
151 // high energy limit may be eth or DBL_MAX <<
152 G4double emax1 = (EmModel(0)->HighEnergyLi <<
153 EmModel(0)->SetHighEnergyLimit(emax1); <<
154 AddEmModel(1, EmModel(0), FluctModel()); <<
155 <<
156 // second model is used if the first does <<
157 if(emax1 < emax) { <<
158 if (nullptr == EmModel(1)) { SetEmModel( <<
159 EmModel(1)->SetLowEnergyLimit(emax1); <<
160 <<
161 // for extremely heavy particles upper l <<
162 // should be increased <<
163 emax = std::max(emax, eth*10); <<
164 EmModel(1)->SetHighEnergyLimit(emax); <<
165 AddEmModel(2, EmModel(1), FluctModel()); <<
166 } <<
167 isInitialised = true; <<
168 } <<
169 } 119 }
170 120
171 //....oooOO0OOooo........oooOO0OOooo........oo 121 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
172 122
173 void G4ionIonisation::ProcessDescription(std:: << 123 void G4ionIonisation::SetSubCutoff(G4bool val)
174 { 124 {
175 out << " Ion ionisation"; << 125 subCutoff = val;
176 G4VEnergyLossProcess::ProcessDescription(out <<
177 } 126 }
178 127
179 //....oooOO0OOooo........oooOO0OOooo........oo 128 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 129
180 130