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25 // 25 //
>> 26 // $Id$
26 // 27 //
27 // ------------------------------------------- 28 // -------------------------------------------------------------------
28 // 29 //
29 // GEANT4 Class file 30 // GEANT4 Class file
30 // 31 //
31 // 32 //
32 // File name: G4eeToHadronsMultiModel 33 // File name: G4eeToHadronsMultiModel
33 // 34 //
34 // Author: Vladimir Ivanchenko 35 // Author: Vladimir Ivanchenko
35 // 36 //
36 // Creation date: 02.08.2004 37 // Creation date: 02.08.2004
37 // 38 //
38 // Modifications: 39 // Modifications:
39 // 08-11-04 Migration to new interface of Stor 40 // 08-11-04 Migration to new interface of Store/Retrieve tables (V.Ivantchenko)
40 // 08-04-05 Major optimisation of internal int 41 // 08-04-05 Major optimisation of internal interfaces (V.Ivantchenko)
41 // 42 //
42 43
43 // 44 //
44 // ------------------------------------------- 45 // -------------------------------------------------------------------
45 // 46 //
46 //....oooOO0OOooo........oooOO0OOooo........oo 47 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
47 //....oooOO0OOooo........oooOO0OOooo........oo 48 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
48 49
49 #include "G4eeToHadronsMultiModel.hh" 50 #include "G4eeToHadronsMultiModel.hh"
50 #include "G4PhysicalConstants.hh" 51 #include "G4PhysicalConstants.hh"
51 #include "G4SystemOfUnits.hh" 52 #include "G4SystemOfUnits.hh"
52 #include "G4eeToTwoPiModel.hh" 53 #include "G4eeToTwoPiModel.hh"
53 #include "G4eeTo3PiModel.hh" 54 #include "G4eeTo3PiModel.hh"
54 #include "G4eeToPGammaModel.hh" 55 #include "G4eeToPGammaModel.hh"
55 #include "G4ee2KNeutralModel.hh" 56 #include "G4ee2KNeutralModel.hh"
56 #include "G4ee2KChargedModel.hh" 57 #include "G4ee2KChargedModel.hh"
57 #include "G4eeCrossSections.hh" 58 #include "G4eeCrossSections.hh"
58 #include "G4Vee2hadrons.hh" 59 #include "G4Vee2hadrons.hh"
59 #include "G4Positron.hh" 60 #include "G4Positron.hh"
60 61
61 //....oooOO0OOooo........oooOO0OOooo........oo 62 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
62 63
63 using namespace std; 64 using namespace std;
64 65
65 G4eeToHadronsMultiModel::G4eeToHadronsMultiMod 66 G4eeToHadronsMultiModel::G4eeToHadronsMultiModel(G4int ver,
66 const G4String& mname) : G4VEmModel(mname), << 67 const G4String& mname) : G4VEmModel(mname),
67 { << 68 csFactor(1.0),
68 maxKineticEnergy = 4.521*CLHEP::GeV; //crre << 69 nModels(0),
69 delta = 1.0*CLHEP::MeV; //for bin width << 70 verbose(ver),
>> 71 isInitialised(false)
>> 72 {
>> 73 thKineticEnergy = DBL_MAX;
>> 74 maxKineticEnergy = 4.521*GeV; //crresponding to 10TeV in lab
>> 75 fParticleChange = nullptr;
>> 76 cross = nullptr;
>> 77 delta = 1.0*MeV; //for bin width
70 } 78 }
71 79
72 //....oooOO0OOooo........oooOO0OOooo........oo 80 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
73 81
74 G4eeToHadronsMultiModel::~G4eeToHadronsMultiMo 82 G4eeToHadronsMultiModel::~G4eeToHadronsMultiModel()
75 { 83 {
76 delete cross; 84 delete cross;
77 } 85 }
78 86
79 //....oooOO0OOooo........oooOO0OOooo........oo 87 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
80 88
81 void G4eeToHadronsMultiModel::Initialise(const 89 void G4eeToHadronsMultiModel::Initialise(const G4ParticleDefinition*,
82 const G4DataVector& cuts) 90 const G4DataVector& cuts)
83 { 91 {
84 if(!isInitialised) { 92 if(!isInitialised) {
85 isInitialised = true; 93 isInitialised = true;
86 94
87 //G4cout<<"###Initialise in HadronMultiMod 95 //G4cout<<"###Initialise in HadronMultiModel###"<<G4endl;
88 96
89 cross = new G4eeCrossSections(); 97 cross = new G4eeCrossSections();
90 98
91 G4eeToTwoPiModel* m2pi = 99 G4eeToTwoPiModel* m2pi =
92 new G4eeToTwoPiModel(cross,maxKineticEne 100 new G4eeToTwoPiModel(cross,maxKineticEnergy,delta);
93 AddEEModel(m2pi,cuts); 101 AddEEModel(m2pi,cuts);
94 102
95 G4eeTo3PiModel* m3pi = 103 G4eeTo3PiModel* m3pi =
96 new G4eeTo3PiModel(cross,maxKineticEnerg 104 new G4eeTo3PiModel(cross,maxKineticEnergy,delta);
97 AddEEModel(m3pi,cuts); 105 AddEEModel(m3pi,cuts);
98 106
99 G4ee2KChargedModel* m2kc = 107 G4ee2KChargedModel* m2kc =
100 new G4ee2KChargedModel(cross,maxKineticE 108 new G4ee2KChargedModel(cross,maxKineticEnergy,delta);
101 AddEEModel(m2kc,cuts); 109 AddEEModel(m2kc,cuts);
102 110
103 G4ee2KNeutralModel* m2kn = 111 G4ee2KNeutralModel* m2kn =
104 new G4ee2KNeutralModel(cross,maxKineticE 112 new G4ee2KNeutralModel(cross,maxKineticEnergy,delta);
105 AddEEModel(m2kn,cuts); 113 AddEEModel(m2kn,cuts);
106 114
107 G4eeToPGammaModel* mpg1 = 115 G4eeToPGammaModel* mpg1 =
108 new G4eeToPGammaModel(cross,"pi0",maxKin 116 new G4eeToPGammaModel(cross,"pi0",maxKineticEnergy,delta);
109 AddEEModel(mpg1,cuts); 117 AddEEModel(mpg1,cuts);
110 118
111 G4eeToPGammaModel* mpg2 = 119 G4eeToPGammaModel* mpg2 =
112 new G4eeToPGammaModel(cross,"eta",maxKin 120 new G4eeToPGammaModel(cross,"eta",maxKineticEnergy,delta);
113 AddEEModel(mpg2,cuts); 121 AddEEModel(mpg2,cuts);
114 122
115 nModels = (G4int)models.size(); << 123 nModels = models.size();
116 124
117 fParticleChange = GetParticleChangeForGamm 125 fParticleChange = GetParticleChangeForGamma();
118 } 126 }
119 } 127 }
120 128
121 //....oooOO0OOooo........oooOO0OOooo........oo 129 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
122 130
>> 131
>> 132
123 void G4eeToHadronsMultiModel::AddEEModel(G4Vee 133 void G4eeToHadronsMultiModel::AddEEModel(G4Vee2hadrons* mod,
124 const G4DataVector& cuts) 134 const G4DataVector& cuts)
125 { 135 {
126 G4eeToHadronsModel* model = new G4eeToHadron 136 G4eeToHadronsModel* model = new G4eeToHadronsModel(mod, verbose);
127 models.push_back(model); 137 models.push_back(model);
128 G4double elow = mod->LowEnergy(); 138 G4double elow = mod->LowEnergy();
129 ekinMin.push_back(elow); 139 ekinMin.push_back(elow);
130 if(thKineticEnergy > elow) { thKineticEnergy 140 if(thKineticEnergy > elow) { thKineticEnergy = elow; }
131 ekinMax.push_back(mod->HighEnergy()); 141 ekinMax.push_back(mod->HighEnergy());
132 ekinPeak.push_back(mod->PeakEnergy()); 142 ekinPeak.push_back(mod->PeakEnergy());
133 cumSum.push_back(0.0); 143 cumSum.push_back(0.0);
134 144
135 const G4ParticleDefinition* positron = G4Pos 145 const G4ParticleDefinition* positron = G4Positron::Positron();
136 model->Initialise(positron,cuts); 146 model->Initialise(positron,cuts);
137 } 147 }
138 148
139 //....oooOO0OOooo........oooOO0OOooo........oo 149 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
140 150
141 G4double G4eeToHadronsMultiModel::CrossSection 151 G4double G4eeToHadronsMultiModel::CrossSectionPerVolume(
142 const G4Material* mat, 152 const G4Material* mat,
143 const G4ParticleDefinition* p, 153 const G4ParticleDefinition* p,
144 G4double kineticEnergy, 154 G4double kineticEnergy,
145 G4double, G4double) 155 G4double, G4double)
146 { 156 {
147 return mat->GetElectronDensity()* 157 return mat->GetElectronDensity()*
148 ComputeCrossSectionPerElectron(p, kineticE 158 ComputeCrossSectionPerElectron(p, kineticEnergy);
149 } 159 }
150 160
151 //....oooOO0OOooo........oooOO0OOooo........oo 161 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
152 162
153 G4double G4eeToHadronsMultiModel::ComputeCross 163 G4double G4eeToHadronsMultiModel::ComputeCrossSectionPerAtom(
154 const G4 164 const G4ParticleDefinition* p,
155 G4double kineticEnergy, 165 G4double kineticEnergy,
156 G4double Z, G4double, 166 G4double Z, G4double,
157 G4double, G4double) 167 G4double, G4double)
158 { 168 {
159 return Z*ComputeCrossSectionPerElectron(p, k 169 return Z*ComputeCrossSectionPerElectron(p, kineticEnergy);
160 } 170 }
161 171
162 //....oooOO0OOooo........oooOO0OOooo........oo <<
163 <<
164 G4double G4eeToHadronsMultiModel::ComputeCross <<
165 G4double kineticEnergy, <<
166 G4double, G4double) <<
167 { <<
168 G4double res = 0.0; <<
169 <<
170 G4double energy = LabToCM(kineticEnergy); <<
171 <<
172 if (energy > thKineticEnergy) { <<
173 for(G4int i=0; i<nModels; i++) { <<
174 if(energy >= ekinMin[i] && energy <= eki <<
175 res += (models[i])->ComputeCrossSectio <<
176 } <<
177 cumSum[i] = res; <<
178 } <<
179 } <<
180 return res*csFactor; <<
181 } <<
182 172
183 //....oooOO0OOooo........oooOO0OOooo........oo 173 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
184 174
185 void G4eeToHadronsMultiModel::SampleSecondarie 175 void G4eeToHadronsMultiModel::SampleSecondaries(
186 std::vector<G4DynamicParticle*>* ne 176 std::vector<G4DynamicParticle*>* newp,
187 const G4MaterialCutsCouple* couple, 177 const G4MaterialCutsCouple* couple,
188 const G4DynamicParticle* dp, 178 const G4DynamicParticle* dp,
189 G4double, G4double) 179 G4double, G4double)
190 { 180 {
191 G4double kinEnergy = dp->GetKineticEnergy(); 181 G4double kinEnergy = dp->GetKineticEnergy();
192 G4double energy = LabToCM(kinEnergy); 182 G4double energy = LabToCM(kinEnergy);
193 if (energy > thKineticEnergy) { 183 if (energy > thKineticEnergy) {
194 G4double q = cumSum[nModels-1]*G4UniformRa 184 G4double q = cumSum[nModels-1]*G4UniformRand();
195 for(G4int i=0; i<nModels; ++i) { << 185 for(G4int i=0; i<nModels; i++) {
196 if(q <= cumSum[i]) { 186 if(q <= cumSum[i]) {
197 (models[i])->SampleSecondaries(newp, c 187 (models[i])->SampleSecondaries(newp, couple,dp);
198 if(newp->size() > 0) { 188 if(newp->size() > 0) {
199 fParticleChange->ProposeTrackStatus(fStopA 189 fParticleChange->ProposeTrackStatus(fStopAndKill);
200 } 190 }
201 break; 191 break;
202 } 192 }
203 } 193 }
204 } 194 }
205 } 195 }
206 196
207 //....oooOO0OOooo........oooOO0OOooo........oo 197 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
208 198
209 void G4eeToHadronsMultiModel::ModelDescription 199 void G4eeToHadronsMultiModel::ModelDescription(std::ostream& outFile) const
210 { 200 {
>> 201 ModelDescription(outFile, G4String("\n"));
>> 202 }
>> 203
>> 204 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 205
>> 206 void G4eeToHadronsMultiModel::ModelDescription(std::ostream& outFile,
>> 207 G4String endOfLine) const
>> 208 {
211 if(verbose > 0) { 209 if(verbose > 0) {
212 G4double e1 = 0.5*thKineticEnergy*thKineti 210 G4double e1 = 0.5*thKineticEnergy*thKineticEnergy/electron_mass_c2
213 - 2.0*electron_mass_c2; 211 - 2.0*electron_mass_c2;
214 G4double e2 = 0.5*maxKineticEnergy*maxKine 212 G4double e2 = 0.5*maxKineticEnergy*maxKineticEnergy/electron_mass_c2
215 - 2.0*electron_mass_c2; 213 - 2.0*electron_mass_c2;
216 outFile << " e+ annihilation into had 214 outFile << " e+ annihilation into hadrons active from "
217 << e1/GeV << " GeV to " << e2/GeV << " G << 215 << e1/GeV << " GeV to " << e2/GeV << " GeV"
>> 216 << endOfLine;
218 } 217 }
219 } 218 }
220 219
221 //....oooOO0OOooo........oooOO0OOooo........oo 220 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
222 221
223 void G4eeToHadronsMultiModel::SetCrossSecFacto 222 void G4eeToHadronsMultiModel::SetCrossSecFactor(G4double fac)
224 { 223 {
225 if(fac > 1.0) { 224 if(fac > 1.0) {
226 csFactor = fac; 225 csFactor = fac;
227 if(verbose > 0) { 226 if(verbose > 0) {
228 G4cout << "### G4eeToHadronsMultiModel: 227 G4cout << "### G4eeToHadronsMultiModel: The cross section for "
229 << "G4eeToHadronsMultiModel is increase 228 << "G4eeToHadronsMultiModel is increased by "
230 << csFactor << " times" << G4endl; 229 << csFactor << " times" << G4endl;
231 } 230 }
232 } 231 }
233 } 232 }
234 233
235 //....oooOO0OOooo........oooOO0OOooo........oo 234 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
236 235