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25 // 22 //
>> 23 // $Id: G4hIonisation.cc,v 1.50 2003/11/12 16:23:42 vnivanch Exp $
>> 24 // GEANT4 tag $Name: geant4-06-00-patch-01 $
>> 25 //
26 // ------------------------------------------- 26 // -------------------------------------------------------------------
27 // 27 //
28 // GEANT4 Class file 28 // GEANT4 Class file
29 // 29 //
30 // 30 //
31 // File name: G4hIonisation 31 // File name: G4hIonisation
32 // 32 //
33 // Author: Laszlo Urban 33 // Author: Laszlo Urban
34 // << 34 //
35 // Creation date: 30.05.1997 35 // Creation date: 30.05.1997
36 // 36 //
37 // Modified by Laszlo Urban, Michel Maire and << 37 // Modifications:
>> 38 //
>> 39 // corrected by L.Urban on 24/09/97
>> 40 // several bugs corrected by L.Urban on 13/01/98
>> 41 // 07-04-98 remove 'tracking cut' of the ionizing particle, mma
>> 42 // 22-10-98 cleanup L.Urban
>> 43 // 02-02-99 bugs fixed , L.Urban
>> 44 // 29-07-99 correction in BuildLossTable for low energy, L.Urban
>> 45 // 10-02-00 modifications , new e.m. structure, L.Urban
>> 46 // 10-08-00 V.Ivanchenko change BuildLambdaTable, in order to
>> 47 // simulate energy losses of ions; correction to
>> 48 // cross section for particles with spin 1 is inserted as well
>> 49 // 28-05-01 V.Ivanchenko minor changes to provide ANSI -wall compilation
>> 50 // 10-08-01 new methods Store/Retrieve PhysicsTable (mma)
>> 51 // 14-08-01 new function ComputeRestrictedMeandEdx() + 'cleanup' (mma)
>> 52 // 29-08-01 PostStepDoIt: correction for spin 1/2 (instead of 1) (mma)
>> 53 // 17-09-01 migration of Materials to pure STL (mma)
>> 54 // 25-09-01 completion of RetrievePhysicsTable() (mma)
>> 55 // 29-10-01 all static functions no more inlined
>> 56 // 08-11-01 Charge renamed zparticle; added to the dedx
>> 57 // 27-03-02 Bug fix in scaling of lambda table (V.Ivanchenko)
>> 58 // 09-04-02 Update calculation of tables for GenericIons (V.Ivanchenko)
>> 59 // 30-04-02 V.Ivanchenko update to new design
>> 60 // 04-12-02 Add verbose level definition (VI)
>> 61 // 23-12-02 Change interface in order to move to cut per region (V.Ivanchenko)
>> 62 // 26-12-02 Secondary production moved to derived classes (V.Ivanchenko)
>> 63 // 13-02-03 SubCutoff regime is assigned to a region (V.Ivanchenko)
>> 64 // 23-05-03 Define default integral + BohrFluctuations (V.Ivanchenko)
>> 65 // 03-06-03 Fix initialisation problem for STD ionisation (V.Ivanchenko)
>> 66 // 04-08-03 Set integral=false to be default (V.Ivanchenko)
>> 67 // 08-08-03 STD substitute standard (V.Ivanchenko)
>> 68 // 12-11-03 G4EnergyLossSTD -> G4EnergyLossProcess (V.Ivanchenko)
38 // 69 //
39 // ------------------------------------------- 70 // -------------------------------------------------------------------
40 // 71 //
41 //....oooOO0OOooo........oooOO0OOooo........oo 72 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
42 //....oooOO0OOooo........oooOO0OOooo........oo 73 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
43 74
44 #include "G4hIonisation.hh" 75 #include "G4hIonisation.hh"
45 #include "G4PhysicalConstants.hh" <<
46 #include "G4SystemOfUnits.hh" <<
47 #include "G4Electron.hh" 76 #include "G4Electron.hh"
48 #include "G4Proton.hh" 77 #include "G4Proton.hh"
49 #include "G4AntiProton.hh" 78 #include "G4AntiProton.hh"
50 #include "G4BraggModel.hh" 79 #include "G4BraggModel.hh"
51 #include "G4BetheBlochModel.hh" 80 #include "G4BetheBlochModel.hh"
52 #include "G4EmStandUtil.hh" << 81 #include "G4UniversalFluctuation.hh"
53 #include "G4PionPlus.hh" << 82 #include "G4BohrFluctuations.hh"
54 #include "G4PionMinus.hh" << 83 #include "G4UnitsTable.hh"
55 #include "G4KaonPlus.hh" <<
56 #include "G4KaonMinus.hh" <<
57 #include "G4ICRU73QOModel.hh" <<
58 #include "G4EmParameters.hh" <<
59 84
60 //....oooOO0OOooo........oooOO0OOooo........oo 85 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
61 86
62 G4hIonisation::G4hIonisation(const G4String& n 87 G4hIonisation::G4hIonisation(const G4String& name)
63 : G4VEnergyLossProcess(name) << 88 : G4VEnergyLossProcess(name),
>> 89 theParticle(0),
>> 90 theBaseParticle(0),
>> 91 subCutoff(false),
>> 92 isInitialised(false)
64 { 93 {
65 SetProcessSubType(fIonisation); << 94 SetDEDXBinning(120);
66 SetSecondaryParticle(G4Electron::Electron()) << 95 SetLambdaBinning(120);
67 eth = 2*CLHEP::MeV; << 96 SetMinKinEnergy(0.1*keV);
>> 97 SetMaxKinEnergy(100.0*TeV);
>> 98 SetVerboseLevel(0);
>> 99 SetIntegral(false);
>> 100 mass = 0.0;
>> 101 ratio = 0.0;
68 } 102 }
69 103
70 //....oooOO0OOooo........oooOO0OOooo........oo 104 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
71 105
72 G4bool G4hIonisation::IsApplicable(const G4Par << 106 G4hIonisation::~G4hIonisation()
>> 107 {}
>> 108
>> 109 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 110
>> 111 void G4hIonisation::InitialiseProcess()
73 { 112 {
74 return true; << 113 if(isInitialised) return;
>> 114 SetSecondaryParticle(G4Electron::Electron());
>> 115 mass = theParticle->GetPDGMass();
>> 116 ratio = electron_mass_c2/mass;
>> 117
>> 118 G4double massFactor = mass/proton_mass_c2;
>> 119 G4VEmModel* em = new G4BraggModel();
>> 120 em->SetLowEnergyLimit(0.1*keV);
>> 121 em->SetHighEnergyLimit(2.0*MeV*massFactor);
>> 122
>> 123 if(IsIntegral()) {
>> 124 flucModel = new G4BohrFluctuations();
>> 125 } else {
>> 126 flucModel = new G4UniversalFluctuation();
>> 127 }
>> 128
>> 129 AddEmModel(1, em, flucModel);
>> 130 G4VEmModel* em1 = new G4BetheBlochModel();
>> 131 em1->SetLowEnergyLimit(2.0*MeV*massFactor);
>> 132 em1->SetHighEnergyLimit(100.0*TeV);
>> 133 AddEmModel(2, em1, flucModel);
>> 134
>> 135 isInitialised = true;
75 } 136 }
76 137
77 //....oooOO0OOooo........oooOO0OOooo........oo 138 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
78 139
79 G4double G4hIonisation::MinPrimaryEnergy(const << 140 const G4ParticleDefinition* G4hIonisation::DefineBaseParticle(
80 const G4Material*, << 141 const G4ParticleDefinition* p)
81 G4double cut) <<
82 { 142 {
83 G4double x = 0.5*cut/electron_mass_c2; << 143 if(!theParticle) theParticle = p;
84 G4double gam = x*ratio + std::sqrt((1. + x)* << 144 if(p != BaseParticle() && p != G4Proton::Proton()) theBaseParticle = G4Proton::Proton();
85 return mass*(gam - 1.0); << 145 if(!isInitialised) InitialiseProcess();
>> 146
>> 147 return theBaseParticle;
86 } 148 }
87 149
88 //....oooOO0OOooo........oooOO0OOooo........oo << 150 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
89 151
90 void G4hIonisation::InitialiseEnergyLossProces << 152 void G4hIonisation::PrintInfoDefinition()
91 const G4ParticleDefinition* part, <<
92 const G4ParticleDefinition* bpart) <<
93 { 153 {
94 if(!isInitialised) { << 154 G4VEnergyLossProcess::PrintInfoDefinition();
95 155
96 const G4ParticleDefinition* theBaseParticl << 156 G4cout << " Bether-Bloch model for Escaled > 2 MeV, "
97 G4String pname = part->GetParticleName(); << 157 << "parametrisation of Bragg peak below, "
98 G4double q = part->GetPDGCharge(); << 158 << "Integral mode " << IsIntegral()
99 << 159 << G4endl;
100 //G4cout << " G4hIonisation::InitialiseEne <<
101 // << " " << bpart << G4endl; <<
102 <<
103 // define base particle <<
104 if(part == bpart) { <<
105 theBaseParticle = nullptr; <<
106 } else if(nullptr != bpart) { <<
107 theBaseParticle = bpart; <<
108 <<
109 } else if(pname == "proton" || pname == "a <<
110 pname == "pi+" || pname == "pi-" || <<
111 pname == "kaon+" || pname == "kaon-" | <<
112 pname == "GenericIon" || pname == "alp <<
113 // no base particles <<
114 theBaseParticle = nullptr; <<
115 <<
116 } else { <<
117 // select base particle <<
118 if(part->GetPDGSpin() == 0.0) { <<
119 if(q > 0.0) { theBaseParticle = G4KaonPlus:: <<
120 else { theBaseParticle = G4KaonMinus::KaonMi <<
121 } else { <<
122 if(q > 0.0) { theBaseParticle = G4Proton::Pr <<
123 else { theBaseParticle = G4AntiProton::AntiP <<
124 } <<
125 } <<
126 SetBaseParticle(theBaseParticle); <<
127 <<
128 // model limit defined for protons <<
129 mass = part->GetPDGMass(); <<
130 ratio = electron_mass_c2/mass; <<
131 eth = 2.0*MeV*mass/proton_mass_c2; <<
132 <<
133 G4EmParameters* param = G4EmParameters::In <<
134 G4double emin = param->MinKinEnergy(); <<
135 G4double emax = param->MaxKinEnergy(); <<
136 <<
137 // define model of energy loss fluctuation <<
138 if (nullptr == FluctModel()) { <<
139 G4bool ion = (pname == "GenericIon" || p <<
140 SetFluctModel(G4EmStandUtil::ModelOfFluc <<
141 } <<
142 <<
143 if (nullptr == EmModel(0)) { <<
144 if(q > 0.0) { SetEmModel(new G4BraggMode <<
145 else { SetEmModel(new G4ICRU73QOM <<
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 } 160 }
170 161
171 //....oooOO0OOooo........oooOO0OOooo........oo 162 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
172 163
173 void G4hIonisation::ProcessDescription(std::os << 164 void G4hIonisation::SetSubCutoff(G4bool val)
174 { 165 {
175 out << " Hadron ionisation"; << 166 subCutoff = val;
176 G4VEnergyLossProcess::ProcessDescription(out <<
177 } 167 }
178 168
179 //....oooOO0OOooo........oooOO0OOooo........oo << 169 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
180 170