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25 // 22 //
>> 23 // $Id: G4MuIonisation.cc,v 1.51 2005/10/02 16:39:50 maire Exp $
>> 24 // GEANT4 tag $Name: geant4-08-00 $
>> 25 //
26 // ------------------------------------------- 26 // -------------------------------------------------------------------
27 // 27 //
28 // GEANT4 Class file 28 // GEANT4 Class file
29 // 29 //
30 // 30 //
31 // File name: G4MuIonisation 31 // File name: G4MuIonisation
32 // 32 //
33 // Author: Laszlo Urban 33 // Author: Laszlo Urban
34 // 34 //
35 // Creation date: 30.09.1997 35 // Creation date: 30.09.1997
36 // 36 //
37 // Modifications: 37 // Modifications:
38 // 38 //
39 // 08-04-98 remove 'tracking cut' of the ioniz 39 // 08-04-98 remove 'tracking cut' of the ionizing particle (mma)
40 // 26-10-98 new stuff from R.Kokoulin + cleanu 40 // 26-10-98 new stuff from R.Kokoulin + cleanup , L.Urban
41 // 10-02-00 modifications , new e.m. structure 41 // 10-02-00 modifications , new e.m. structure, L.Urban
42 // 23-03-01 R.Kokoulin's correction is comment 42 // 23-03-01 R.Kokoulin's correction is commented out, L.Urban
43 // 29-05-01 V.Ivanchenko minor changes to prov 43 // 29-05-01 V.Ivanchenko minor changes to provide ANSI -wall compilation
44 // 10-08-01 new methods Store/Retrieve Physics 44 // 10-08-01 new methods Store/Retrieve PhysicsTable (mma)
45 // 28-08-01 new function ComputeRestrictedMean 45 // 28-08-01 new function ComputeRestrictedMeandEdx() + 'cleanup' (mma)
46 // 17-09-01 migration of Materials to pure STL 46 // 17-09-01 migration of Materials to pure STL (mma)
47 // 26-09-01 completion of RetrievePhysicsTable 47 // 26-09-01 completion of RetrievePhysicsTable (mma)
48 // 29-10-01 all static functions no more inlin 48 // 29-10-01 all static functions no more inlined (mma)
49 // 07-11-01 correction(Tmax+xsection computati 49 // 07-11-01 correction(Tmax+xsection computation) L.Urban
50 // 08-11-01 particleMass becomes a local varia 50 // 08-11-01 particleMass becomes a local variable (mma)
51 // 10-05-02 V.Ivanchenko update to new design 51 // 10-05-02 V.Ivanchenko update to new design
52 // 04-12-02 V.Ivanchenko the low energy limit 52 // 04-12-02 V.Ivanchenko the low energy limit for Kokoulin model to 10 GeV
53 // 23-12-02 Change interface in order to move 53 // 23-12-02 Change interface in order to move to cut per region (V.Ivanchenko)
54 // 26-12-02 Secondary production moved to deri 54 // 26-12-02 Secondary production moved to derived classes (V.Ivanchenko)
55 // 13-02-03 SubCutoff regime is assigned to a 55 // 13-02-03 SubCutoff regime is assigned to a region (V.Ivanchenko)
56 // 23-05-03 Define default integral + BohrFluc 56 // 23-05-03 Define default integral + BohrFluctuations (V.Ivanchenko)
57 // 03-06-03 Add SetIntegral method to choose f 57 // 03-06-03 Add SetIntegral method to choose fluctuation model (V.Ivanchenko)
58 // 03-06-03 Fix initialisation problem for STD 58 // 03-06-03 Fix initialisation problem for STD ionisation (V.Ivanchenko)
59 // 04-08-03 Set integral=false to be default ( 59 // 04-08-03 Set integral=false to be default (V.Ivanchenko)
60 // 08-08-03 STD substitute standard (V.Ivanch 60 // 08-08-03 STD substitute standard (V.Ivanchenko)
61 // 12-11-03 G4EnergyLossSTD -> G4EnergyLossPro 61 // 12-11-03 G4EnergyLossSTD -> G4EnergyLossProcess (V.Ivanchenko)
62 // 10-02-04 Calculation of radiative correctio << 62 // 10-02-04 Calculation of radiative corrections using R.Kokoulin model (V.Ivanchenko)
63 // 27-05-04 Set integral to be a default regim 63 // 27-05-04 Set integral to be a default regime (V.Ivanchenko)
64 // 17-08-04 Utilise mu+ tables for mu- (V.Ivan 64 // 17-08-04 Utilise mu+ tables for mu- (V.Ivanchenko)
65 // 08-11-04 Migration to new interface of Stor 65 // 08-11-04 Migration to new interface of Store/Retrieve tables (V.Ivantchenko)
66 // 08-04-05 Major optimisation of internal int 66 // 08-04-05 Major optimisation of internal interfaces (V.Ivantchenko)
67 // 12-08-05 SetStepLimits(0.2, 0.1*mm) (mma) 67 // 12-08-05 SetStepLimits(0.2, 0.1*mm) (mma)
68 // 02-09-05 SetStepLimits(0.2, 1*mm) (V.Ivantc 68 // 02-09-05 SetStepLimits(0.2, 1*mm) (V.Ivantchenko)
69 // 12-08-05 SetStepLimits(0.2, 0.1*mm) + integ 69 // 12-08-05 SetStepLimits(0.2, 0.1*mm) + integral off (V.Ivantchenko)
70 // 10-01-06 SetStepLimits -> SetStepFunction ( <<
71 // 70 //
72 // ------------------------------------------- 71 // -------------------------------------------------------------------
73 // 72 //
74 //....oooOO0OOooo........oooOO0OOooo........oo 73 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
75 //....oooOO0OOooo........oooOO0OOooo........oo 74 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
76 75
77 #include "G4MuIonisation.hh" 76 #include "G4MuIonisation.hh"
78 #include "G4PhysicalConstants.hh" <<
79 #include "G4SystemOfUnits.hh" <<
80 #include "G4Electron.hh" 77 #include "G4Electron.hh"
>> 78 #include "G4MuonPlus.hh"
>> 79 #include "G4MuonMinus.hh"
81 #include "G4BraggModel.hh" 80 #include "G4BraggModel.hh"
82 #include "G4BetheBlochModel.hh" 81 #include "G4BetheBlochModel.hh"
83 #include "G4MuBetheBlochModel.hh" 82 #include "G4MuBetheBlochModel.hh"
84 #include "G4EmStandUtil.hh" << 83 #include "G4UniversalFluctuation.hh"
85 #include "G4ICRU73QOModel.hh" << 84 #include "G4BohrFluctuations.hh"
86 #include "G4EmParameters.hh" << 85 #include "G4UnitsTable.hh"
87 86
88 //....oooOO0OOooo........oooOO0OOooo........oo 87 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
89 88
>> 89 using namespace std;
>> 90
90 G4MuIonisation::G4MuIonisation(const G4String& 91 G4MuIonisation::G4MuIonisation(const G4String& name)
91 : G4VEnergyLossProcess(name) << 92 : G4VEnergyLossProcess(name),
>> 93 theParticle(0),
>> 94 theBaseParticle(0),
>> 95 isInitialised(false)
92 { 96 {
93 SetProcessSubType(fIonisation); << 97 SetDEDXBinning(120);
94 SetSecondaryParticle(G4Electron::Electron()) << 98 SetLambdaBinning(120);
>> 99 SetMinKinEnergy(0.1*keV);
>> 100 SetMaxKinEnergy(100.0*TeV);
95 } 101 }
96 102
97 //....oooOO0OOooo........oooOO0OOooo........oo 103 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
98 104
99 G4bool G4MuIonisation::IsApplicable(const G4Pa << 105 G4MuIonisation::~G4MuIonisation()
100 { << 106 {}
101 return (p.GetPDGCharge() != 0.0); <<
102 } <<
103 107
104 //....oooOO0OOooo........oooOO0OOooo........oo 108 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
105 109
106 G4double G4MuIonisation::MinPrimaryEnergy(cons << 110 void G4MuIonisation::InitialiseEnergyLossProcess(const G4ParticleDefinition* part,
107 const G4Material*, << 111 const G4ParticleDefinition* bpart)
108 G4double cut) <<
109 { <<
110 G4double x = 0.5*cut/CLHEP::electron_mass_c2 <<
111 G4double gam = x*ratio + std::sqrt((1. + x)* <<
112 return mass*(gam - 1.0); <<
113 } <<
114 <<
115 //....oooOO0OOooo........oooOO0OOooo........oo <<
116 <<
117 void <<
118 G4MuIonisation::InitialiseEnergyLossProcess(co <<
119 co <<
120 { 112 {
121 if(!isInitialised) { 113 if(!isInitialised) {
122 114
123 theParticle = part; 115 theParticle = part;
124 theBaseParticle = bpart; 116 theBaseParticle = bpart;
125 117
126 mass = theParticle->GetPDGMass(); 118 mass = theParticle->GetPDGMass();
127 ratio = CLHEP::electron_mass_c2/mass; << 119 SetSecondaryParticle(G4Electron::Electron());
128 G4double q = theParticle->GetPDGCharge(); << 120
>> 121 flucModel = new G4UniversalFluctuation();
129 122
130 G4EmParameters* param = G4EmParameters::In << 123 G4VEmModel* em = new G4BraggModel();
131 G4double elow = 0.2*CLHEP::MeV; << 124 em->SetLowEnergyLimit(0.1*keV);
132 G4double emax = param->MaxKinEnergy(); << 125 em->SetHighEnergyLimit(0.2*MeV);
133 << 126 AddEmModel(1, em, flucModel);
134 // Bragg peak model << 127 G4VEmModel* em1 = new G4BetheBlochModel();
135 if (nullptr == EmModel(0)) { << 128 em1->SetLowEnergyLimit(0.2*MeV);
136 if(q > 0.0) { SetEmModel(new G4BraggMode << 129 em1->SetHighEnergyLimit(1.0*GeV);
137 else { SetEmModel(new G4ICRU73QOM << 130 AddEmModel(2, em1, flucModel);
138 } << 131 G4VEmModel* em2 = new G4MuBetheBlochModel();
139 EmModel(0)->SetLowEnergyLimit(param->MinKi << 132 em2->SetLowEnergyLimit(1.0*GeV);
140 EmModel(0)->SetHighEnergyLimit(elow); << 133 em2->SetHighEnergyLimit(100.0*TeV);
141 << 134 AddEmModel(3, em2, flucModel);
142 // fluctuation model <<
143 if (nullptr == FluctModel()) { <<
144 SetFluctModel(G4EmStandUtil::ModelOfFluc <<
145 } <<
146 AddEmModel(1, EmModel(0), FluctModel()); <<
147 <<
148 // high energy model <<
149 if (nullptr == EmModel(1)) { SetEmModel(ne <<
150 EmModel(1)->SetLowEnergyLimit(elow); <<
151 EmModel(1)->SetHighEnergyLimit(emax); <<
152 AddEmModel(1, EmModel(1), FluctModel()); <<
153 135
>> 136 SetStepLimits(0.2, 1*mm);
>> 137 SetIntegral(true);
>> 138
>> 139 ratio = electron_mass_c2/mass;
154 isInitialised = true; 140 isInitialised = true;
155 } 141 }
156 } 142 }
157 143
158 //....oooOO0OOooo........oooOO0OOooo........oo 144 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
159 145
160 void G4MuIonisation::ProcessDescription(std::o << 146 void G4MuIonisation::PrintInfo()
161 { 147 {
162 out << " Muon ionisation"; << 148 G4cout << " Bether-Bloch model for E > 0.2 MeV, "
163 G4VEnergyLossProcess::ProcessDescription(out << 149 << "parametrisation of Bragg peak below, "
>> 150 << G4endl;
>> 151 G4cout << " radiative corrections for E > 1 GeV" << G4endl;
164 } 152 }
165 153
166 //....oooOO0OOooo........oooOO0OOooo........oo 154 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 155
>> 156
>> 157
>> 158
167 159