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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 // <<
40 // 23-12-02 Change interface in order to move <<
41 // 26-12-02 Secondary production moved to deri <<
42 // 13-02-03 SubCutoff regime is assigned to a <<
43 // 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 // 36 //
57 // 37 //
58 // ------------------------------------------- 38 // -------------------------------------------------------------------
59 // 39 //
60 //....oooOO0OOooo........oooOO0OOooo........oo 40 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
61 //....oooOO0OOooo........oooOO0OOooo........oo 41 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
62 42
63 #include "G4ionIonisation.hh" 43 #include "G4ionIonisation.hh"
64 #include "G4PhysicalConstants.hh" << 44 #include "G4LossTableManager.hh"
65 #include "G4SystemOfUnits.hh" <<
66 #include "G4Electron.hh" 45 #include "G4Electron.hh"
67 #include "G4GenericIon.hh" << 46 #include "G4Proton.hh"
>> 47 #include "G4AntiProton.hh"
68 #include "G4BraggModel.hh" 48 #include "G4BraggModel.hh"
69 #include "G4BraggIonModel.hh" <<
70 #include "G4BetheBlochModel.hh" 49 #include "G4BetheBlochModel.hh"
71 #include "G4LossTableManager.hh" << 50 #include "G4UniversalFluctuation.hh"
72 #include "G4EmParameters.hh" << 51 #include "G4UnitsTable.hh"
73 #include "G4EmStandUtil.hh" <<
74 52
75 //....oooOO0OOooo........oooOO0OOooo........oo 53 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
76 54
77 G4ionIonisation::G4ionIonisation(const G4Strin << 55 G4ionIonisation::G4ionIonisation(const G4String& name)
78 : G4VEnergyLossProcess(name) << 56 : G4VEnergyLossSTD(name),
>> 57 theParticle(0),
>> 58 theBaseParticle(G4Proton::Proton())
79 { 59 {
80 SetLinearLossLimit(0.02); << 60 InitialiseProcess();
81 SetProcessSubType(fIonisation); <<
82 SetSecondaryParticle(G4Electron::Electron()) <<
83 eth = 2*CLHEP::MeV; <<
84 } 61 }
85 62
86 //....oooOO0OOooo........oooOO0OOooo........oo 63 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
87 64
88 G4bool G4ionIonisation::IsApplicable(const G4P << 65 G4ionIonisation::~G4ionIonisation()
89 { << 66 {}
90 return true; <<
91 } <<
92 67
93 //....oooOO0OOooo........oooOO0OOooo........oo 68 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
94 69
95 G4double G4ionIonisation::MinPrimaryEnergy(con << 70 void G4ionIonisation::InitialiseProcess()
96 const G4Material*, <<
97 G4double cut) <<
98 { 71 {
99 return p->GetPDGMass()*(std::sqrt(1. + 0.5*c << 72 SetSecondaryParticle(G4Electron::Electron());
>> 73 SetSubCutoffIsDesired(true);
>> 74
>> 75 SetDEDXBinning(120);
>> 76 SetLambdaBinning(120);
>> 77 SetMinKinEnergy(0.1*keV);
>> 78 SetMaxKinEnergy(100.0*TeV);
>> 79
>> 80 G4VEmModel* em = new G4BraggModel();
>> 81 em->SetLowEnergyLimit(0, 0.1*keV);
>> 82 em->SetHighEnergyLimit(0, 2.0*MeV);
>> 83 AddEmModel(em, 0);
>> 84 G4VEmModel* em1 = new G4BetheBlochModel();
>> 85 em1->SetLowEnergyLimit(0, 2.0*MeV);
>> 86 em1->SetHighEnergyLimit(0, 100.0*TeV);
>> 87 AddEmModel(em1, 1);
>> 88
>> 89 G4VEmFluctuationModel* fm = new G4UniversalFluctuation();
>> 90 AddEmFluctuationModel(fm);
100 } 91 }
101 92
102 //....oooOO0OOooo........oooOO0OOooo........oo 93 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
103 94
104 void G4ionIonisation::InitialiseEnergyLossProc << 95 const G4ParticleDefinition* G4ionIonisation::DefineBaseParticle(
105 const G4ParticleDefinition* part, << 96 const G4ParticleDefinition* p)
106 const G4ParticleDefinition* bpart) <<
107 { 97 {
108 const G4ParticleDefinition* ion = G4GenericI << 98 if(!theParticle) theParticle = p;
109 << 99 return theBaseParticle;
110 if(!isInitialised) { <<
111 theParticle = part; <<
112 <<
113 // define base particle <<
114 const G4ParticleDefinition* theBaseParticl <<
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 } 100 }
170 101
171 //....oooOO0OOooo........oooOO0OOooo........oo 102 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
172 103
173 void G4ionIonisation::ProcessDescription(std:: << 104 void G4ionIonisation::PrintInfoDefinition() const
174 { 105 {
175 out << " Ion ionisation"; << 106 G4VEnergyLossSTD::PrintInfoDefinition();
176 G4VEnergyLossProcess::ProcessDescription(out << 107
>> 108 G4cout << " Scaling relation is used to proton dE/dx and range"
>> 109 << G4endl
>> 110 << " Bether-Bloch model for Escaled > 2 MeV, "
>> 111 << "parametrisation of Bragg peak below."
>> 112 << G4endl;
177 } 113 }
178 114
179 //....oooOO0OOooo........oooOO0OOooo........oo 115 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 116
180 117