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>> 26 // $Id: G4eeToHadronsMultiModel.cc 66996 2013-01-29 14:50:52Z gcosmo $
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 60
61 //....oooOO0OOooo........oooOO0OOooo........oo 61 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
62 62
63 using namespace std; 63 using namespace std;
64 64
65 G4eeToHadronsMultiModel::G4eeToHadronsMultiMod << 65 G4eeToHadronsMultiModel::G4eeToHadronsMultiModel(G4int ver, const G4String& mname)
66 const G4String& mname) : G4VEmModel(mname), << 66 : G4VEmModel(mname),
67 { << 67 csFactor(1.0),
68 maxKineticEnergy = 4.521*CLHEP::GeV; //crre << 68 nModels(0),
69 delta = 1.0*CLHEP::MeV; //for bin width << 69 verbose(ver),
>> 70 isInitialised(false)
>> 71 {
>> 72 thKineticEnergy = DBL_MAX;
>> 73 maxKineticEnergy = 1.2*GeV;
>> 74 fParticleChange = 0;
>> 75 cross = 0;
70 } 76 }
71 77
72 //....oooOO0OOooo........oooOO0OOooo........oo 78 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
73 79
74 G4eeToHadronsMultiModel::~G4eeToHadronsMultiMo 80 G4eeToHadronsMultiModel::~G4eeToHadronsMultiModel()
75 { 81 {
>> 82 G4int n = models.size();
>> 83 if(n>0) {
>> 84 for(G4int i=0; i<n; i++) {
>> 85 delete models[i];
>> 86 }
>> 87 }
76 delete cross; 88 delete cross;
77 } 89 }
78 90
79 //....oooOO0OOooo........oooOO0OOooo........oo 91 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
80 92
81 void G4eeToHadronsMultiModel::Initialise(const 93 void G4eeToHadronsMultiModel::Initialise(const G4ParticleDefinition*,
82 const G4DataVector& cuts) << 94 const G4DataVector&)
83 { 95 {
84 if(!isInitialised) { 96 if(!isInitialised) {
85 isInitialised = true; 97 isInitialised = true;
86 98
87 //G4cout<<"###Initialise in HadronMultiMod <<
88 <<
89 cross = new G4eeCrossSections(); 99 cross = new G4eeCrossSections();
90 100
91 G4eeToTwoPiModel* m2pi = << 101 G4eeToTwoPiModel* m2pi = new G4eeToTwoPiModel(cross);
92 new G4eeToTwoPiModel(cross,maxKineticEne << 102 m2pi->SetHighEnergy(maxKineticEnergy);
93 AddEEModel(m2pi,cuts); << 103 AddEEModel(m2pi);
94 << 104
95 G4eeTo3PiModel* m3pi = << 105 G4eeTo3PiModel* m3pi1 = new G4eeTo3PiModel(cross);
96 new G4eeTo3PiModel(cross,maxKineticEnerg << 106 m3pi1->SetHighEnergy(0.95*GeV);
97 AddEEModel(m3pi,cuts); << 107 AddEEModel(m3pi1);
98 << 108
99 G4ee2KChargedModel* m2kc = << 109 G4eeTo3PiModel* m3pi2 = new G4eeTo3PiModel(cross);
100 new G4ee2KChargedModel(cross,maxKineticE << 110 m3pi2->SetLowEnergy(0.95*GeV);
101 AddEEModel(m2kc,cuts); << 111 m3pi2->SetHighEnergy(maxKineticEnergy);
102 << 112 AddEEModel(m3pi2);
103 G4ee2KNeutralModel* m2kn = << 113
104 new G4ee2KNeutralModel(cross,maxKineticE << 114 G4ee2KChargedModel* m2kc = new G4ee2KChargedModel(cross);
105 AddEEModel(m2kn,cuts); << 115 m2kc->SetHighEnergy(maxKineticEnergy);
106 << 116 AddEEModel(m2kc);
107 G4eeToPGammaModel* mpg1 = << 117
108 new G4eeToPGammaModel(cross,"pi0",maxKin << 118 G4ee2KNeutralModel* m2kn = new G4ee2KNeutralModel(cross);
109 AddEEModel(mpg1,cuts); << 119 m2kn->SetHighEnergy(maxKineticEnergy);
110 << 120 AddEEModel(m2kn);
111 G4eeToPGammaModel* mpg2 = << 121
112 new G4eeToPGammaModel(cross,"eta",maxKin << 122 G4eeToPGammaModel* mpg1 = new G4eeToPGammaModel(cross,"pi0");
113 AddEEModel(mpg2,cuts); << 123 mpg1->SetLowEnergy(0.7*GeV);
>> 124 mpg1->SetHighEnergy(maxKineticEnergy);
>> 125 AddEEModel(mpg1);
>> 126
>> 127 G4eeToPGammaModel* mpg2 = new G4eeToPGammaModel(cross,"eta");
>> 128 mpg2->SetLowEnergy(0.7*GeV);
>> 129 mpg2->SetHighEnergy(maxKineticEnergy);
>> 130 AddEEModel(mpg2);
114 131
115 nModels = (G4int)models.size(); << 132 nModels = models.size();
116 133
117 fParticleChange = GetParticleChangeForGamm 134 fParticleChange = GetParticleChangeForGamma();
118 } 135 }
119 } 136 }
120 137
121 //....oooOO0OOooo........oooOO0OOooo........oo 138 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
122 139
123 void G4eeToHadronsMultiModel::AddEEModel(G4Vee << 140 void G4eeToHadronsMultiModel::AddEEModel(G4Vee2hadrons* mod)
124 const G4DataVector& cuts) <<
125 { 141 {
126 G4eeToHadronsModel* model = new G4eeToHadron 142 G4eeToHadronsModel* model = new G4eeToHadronsModel(mod, verbose);
>> 143 model->SetLowEnergyLimit(LowEnergyLimit());
>> 144 model->SetHighEnergyLimit(HighEnergyLimit());
127 models.push_back(model); 145 models.push_back(model);
128 G4double elow = mod->LowEnergy(); << 146 G4double elow = mod->ThresholdEnergy();
129 ekinMin.push_back(elow); 147 ekinMin.push_back(elow);
130 if(thKineticEnergy > elow) { thKineticEnergy << 148 if(thKineticEnergy > elow) thKineticEnergy = elow;
131 ekinMax.push_back(mod->HighEnergy()); << 149 ekinMax.push_back(mod->HighEnergy());
132 ekinPeak.push_back(mod->PeakEnergy()); 150 ekinPeak.push_back(mod->PeakEnergy());
133 cumSum.push_back(0.0); 151 cumSum.push_back(0.0);
134 <<
135 const G4ParticleDefinition* positron = G4Pos <<
136 model->Initialise(positron,cuts); <<
137 } 152 }
138 153
139 //....oooOO0OOooo........oooOO0OOooo........oo 154 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
140 155
141 G4double G4eeToHadronsMultiModel::CrossSection 156 G4double G4eeToHadronsMultiModel::CrossSectionPerVolume(
142 const G4Material* mat, 157 const G4Material* mat,
143 const G4ParticleDefinition* p, 158 const G4ParticleDefinition* p,
144 G4double kineticEnergy, 159 G4double kineticEnergy,
145 G4double, G4double) 160 G4double, G4double)
146 { 161 {
147 return mat->GetElectronDensity()* 162 return mat->GetElectronDensity()*
148 ComputeCrossSectionPerElectron(p, kineticE 163 ComputeCrossSectionPerElectron(p, kineticEnergy);
149 } 164 }
150 165
151 //....oooOO0OOooo........oooOO0OOooo........oo 166 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
152 167
153 G4double G4eeToHadronsMultiModel::ComputeCross 168 G4double G4eeToHadronsMultiModel::ComputeCrossSectionPerAtom(
154 const G4 169 const G4ParticleDefinition* p,
155 G4double kineticEnergy, 170 G4double kineticEnergy,
156 G4double Z, G4double, 171 G4double Z, G4double,
157 G4double, G4double) 172 G4double, G4double)
158 { 173 {
159 return Z*ComputeCrossSectionPerElectron(p, k 174 return Z*ComputeCrossSectionPerElectron(p, kineticEnergy);
160 } 175 }
161 176
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 } <<
182 177
183 //....oooOO0OOooo........oooOO0OOooo........oo 178 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
184 179
185 void G4eeToHadronsMultiModel::SampleSecondarie << 180 void G4eeToHadronsMultiModel::SampleSecondaries(std::vector<G4DynamicParticle*>* newp,
186 std::vector<G4DynamicParticle*>* ne << 181 const G4MaterialCutsCouple* couple,
187 const G4MaterialCutsCouple* couple, << 182 const G4DynamicParticle* dp,
188 const G4DynamicParticle* dp, << 183 G4double, G4double)
189 G4double, G4double) <<
190 { 184 {
191 G4double kinEnergy = dp->GetKineticEnergy(); 185 G4double kinEnergy = dp->GetKineticEnergy();
192 G4double energy = LabToCM(kinEnergy); << 186 if (kinEnergy > thKineticEnergy) {
193 if (energy > thKineticEnergy) { <<
194 G4double q = cumSum[nModels-1]*G4UniformRa 187 G4double q = cumSum[nModels-1]*G4UniformRand();
195 for(G4int i=0; i<nModels; ++i) { << 188 for(G4int i=0; i<nModels; i++) {
196 if(q <= cumSum[i]) { 189 if(q <= cumSum[i]) {
197 (models[i])->SampleSecondaries(newp, c 190 (models[i])->SampleSecondaries(newp, couple,dp);
198 if(newp->size() > 0) { << 191 if(newp->size() > 0) fParticleChange->ProposeTrackStatus(fStopAndKill);
199 fParticleChange->ProposeTrackStatus(fStopA <<
200 } <<
201 break; 192 break;
202 } 193 }
203 } 194 }
204 } 195 }
205 } 196 }
206 197
207 //....oooOO0OOooo........oooOO0OOooo........oo 198 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
208 199
209 void G4eeToHadronsMultiModel::ModelDescription << 200 void G4eeToHadronsMultiModel::PrintInfo()
210 { 201 {
211 if(verbose > 0) { 202 if(verbose > 0) {
212 G4double e1 = 0.5*thKineticEnergy*thKineti 203 G4double e1 = 0.5*thKineticEnergy*thKineticEnergy/electron_mass_c2
213 - 2.0*electron_mass_c2; 204 - 2.0*electron_mass_c2;
214 G4double e2 = 0.5*maxKineticEnergy*maxKine 205 G4double e2 = 0.5*maxKineticEnergy*maxKineticEnergy/electron_mass_c2
215 - 2.0*electron_mass_c2; 206 - 2.0*electron_mass_c2;
216 outFile << " e+ annihilation into had << 207 G4cout << " e+ annihilation into hadrons active from "
217 << e1/GeV << " GeV to " << e2/GeV << " G << 208 << e1/GeV << " GeV to " << e2/GeV << " GeV"
>> 209 << G4endl;
218 } 210 }
219 } 211 }
220 212
221 //....oooOO0OOooo........oooOO0OOooo........oo 213 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
222 214
223 void G4eeToHadronsMultiModel::SetCrossSecFacto 215 void G4eeToHadronsMultiModel::SetCrossSecFactor(G4double fac)
224 { 216 {
225 if(fac > 1.0) { 217 if(fac > 1.0) {
226 csFactor = fac; 218 csFactor = fac;
227 if(verbose > 0) { << 219 if(verbose > 0)
228 G4cout << "### G4eeToHadronsMultiModel: << 220 G4cout << "### G4eeToHadronsMultiModel: The cross section for G4eeToHadronsMultiModel "
229 << "G4eeToHadronsMultiModel is increase << 221 << " is increased by the Factor= " << csFactor << G4endl;
230 << csFactor << " times" << G4endl; <<
231 } <<
232 } 222 }
233 } 223 }
234 224
235 //....oooOO0OOooo........oooOO0OOooo........oo 225 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
236 226