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25 // 25 //
>> 26 // $Id: G4eeToHadronsMultiModel.cc,v 1.9 2010/10/26 14:15:40 vnivanch Exp $
>> 27 // GEANT4 tag $Name: geant4-09-04 $
26 // 28 //
27 // ------------------------------------------- 29 // -------------------------------------------------------------------
28 // 30 //
29 // GEANT4 Class file 31 // GEANT4 Class file
30 // 32 //
31 // 33 //
32 // File name: G4eeToHadronsMultiModel 34 // File name: G4eeToHadronsMultiModel
33 // 35 //
34 // Author: Vladimir Ivanchenko 36 // Author: Vladimir Ivanchenko
35 // 37 //
36 // Creation date: 02.08.2004 38 // Creation date: 02.08.2004
37 // 39 //
38 // Modifications: 40 // Modifications:
39 // 08-11-04 Migration to new interface of Stor 41 // 08-11-04 Migration to new interface of Store/Retrieve tables (V.Ivantchenko)
40 // 08-04-05 Major optimisation of internal int 42 // 08-04-05 Major optimisation of internal interfaces (V.Ivantchenko)
41 // 43 //
42 44
43 // 45 //
44 // ------------------------------------------- 46 // -------------------------------------------------------------------
45 // 47 //
46 //....oooOO0OOooo........oooOO0OOooo........oo 48 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
47 //....oooOO0OOooo........oooOO0OOooo........oo 49 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
48 50
49 #include "G4eeToHadronsMultiModel.hh" 51 #include "G4eeToHadronsMultiModel.hh"
50 #include "G4PhysicalConstants.hh" <<
51 #include "G4SystemOfUnits.hh" <<
52 #include "G4eeToTwoPiModel.hh" 52 #include "G4eeToTwoPiModel.hh"
53 #include "G4eeTo3PiModel.hh" 53 #include "G4eeTo3PiModel.hh"
54 #include "G4eeToPGammaModel.hh" 54 #include "G4eeToPGammaModel.hh"
55 #include "G4ee2KNeutralModel.hh" 55 #include "G4ee2KNeutralModel.hh"
56 #include "G4ee2KChargedModel.hh" 56 #include "G4ee2KChargedModel.hh"
57 #include "G4eeCrossSections.hh" 57 #include "G4eeCrossSections.hh"
58 #include "G4Vee2hadrons.hh" 58 #include "G4Vee2hadrons.hh"
59 #include "G4Positron.hh" <<
60 59
61 //....oooOO0OOooo........oooOO0OOooo........oo 60 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
62 61
63 using namespace std; 62 using namespace std;
64 63
65 G4eeToHadronsMultiModel::G4eeToHadronsMultiMod << 64 G4eeToHadronsMultiModel::G4eeToHadronsMultiModel(G4int ver, const G4String& name)
66 const G4String& mname) : G4VEmModel(mname), << 65 : G4VEmModel(name),
>> 66 csFactor(1.0),
>> 67 nModels(0),
>> 68 verbose(ver),
>> 69 isInitialised(false)
67 { 70 {
68 maxKineticEnergy = 4.521*CLHEP::GeV; //crre << 71 thKineticEnergy = DBL_MAX;
69 delta = 1.0*CLHEP::MeV; //for bin width << 72 maxKineticEnergy = 1.2*GeV;
70 } 73 }
71 74
72 //....oooOO0OOooo........oooOO0OOooo........oo 75 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
73 76
74 G4eeToHadronsMultiModel::~G4eeToHadronsMultiMo 77 G4eeToHadronsMultiModel::~G4eeToHadronsMultiModel()
75 { 78 {
>> 79 G4int n = models.size();
>> 80 if(n>0) {
>> 81 for(G4int i=0; i<n; i++) {
>> 82 delete models[i];
>> 83 }
>> 84 }
76 delete cross; 85 delete cross;
77 } 86 }
78 87
79 //....oooOO0OOooo........oooOO0OOooo........oo 88 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
80 89
81 void G4eeToHadronsMultiModel::Initialise(const 90 void G4eeToHadronsMultiModel::Initialise(const G4ParticleDefinition*,
82 const G4DataVector& cuts) << 91 const G4DataVector&)
83 { 92 {
84 if(!isInitialised) { 93 if(!isInitialised) {
85 isInitialised = true; 94 isInitialised = true;
86 95
87 //G4cout<<"###Initialise in HadronMultiMod <<
88 <<
89 cross = new G4eeCrossSections(); 96 cross = new G4eeCrossSections();
90 97
91 G4eeToTwoPiModel* m2pi = << 98 G4eeToTwoPiModel* m2pi = new G4eeToTwoPiModel(cross);
92 new G4eeToTwoPiModel(cross,maxKineticEne << 99 m2pi->SetHighEnergy(maxKineticEnergy);
93 AddEEModel(m2pi,cuts); << 100 AddEEModel(m2pi);
94 << 101
95 G4eeTo3PiModel* m3pi = << 102 G4eeTo3PiModel* m3pi1 = new G4eeTo3PiModel(cross);
96 new G4eeTo3PiModel(cross,maxKineticEnerg << 103 m3pi1->SetHighEnergy(0.95*GeV);
97 AddEEModel(m3pi,cuts); << 104 AddEEModel(m3pi1);
98 << 105
99 G4ee2KChargedModel* m2kc = << 106 G4eeTo3PiModel* m3pi2 = new G4eeTo3PiModel(cross);
100 new G4ee2KChargedModel(cross,maxKineticE << 107 m3pi2->SetLowEnergy(0.95*GeV);
101 AddEEModel(m2kc,cuts); << 108 m3pi2->SetHighEnergy(maxKineticEnergy);
102 << 109 AddEEModel(m3pi2);
103 G4ee2KNeutralModel* m2kn = << 110
104 new G4ee2KNeutralModel(cross,maxKineticE << 111 G4ee2KChargedModel* m2kc = new G4ee2KChargedModel(cross);
105 AddEEModel(m2kn,cuts); << 112 m2kc->SetHighEnergy(maxKineticEnergy);
106 << 113 AddEEModel(m2kc);
107 G4eeToPGammaModel* mpg1 = << 114
108 new G4eeToPGammaModel(cross,"pi0",maxKin << 115 G4ee2KNeutralModel* m2kn = new G4ee2KNeutralModel(cross);
109 AddEEModel(mpg1,cuts); << 116 m2kn->SetHighEnergy(maxKineticEnergy);
110 << 117 AddEEModel(m2kn);
111 G4eeToPGammaModel* mpg2 = << 118
112 new G4eeToPGammaModel(cross,"eta",maxKin << 119 G4eeToPGammaModel* mpg1 = new G4eeToPGammaModel(cross,"pi0");
113 AddEEModel(mpg2,cuts); << 120 mpg1->SetLowEnergy(0.7*GeV);
>> 121 mpg1->SetHighEnergy(maxKineticEnergy);
>> 122 AddEEModel(mpg1);
>> 123
>> 124 G4eeToPGammaModel* mpg2 = new G4eeToPGammaModel(cross,"eta");
>> 125 mpg2->SetLowEnergy(0.7*GeV);
>> 126 mpg2->SetHighEnergy(maxKineticEnergy);
>> 127 AddEEModel(mpg2);
114 128
115 nModels = (G4int)models.size(); << 129 nModels = models.size();
116 130
117 fParticleChange = GetParticleChangeForGamm 131 fParticleChange = GetParticleChangeForGamma();
118 } 132 }
119 } 133 }
120 134
121 //....oooOO0OOooo........oooOO0OOooo........oo 135 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
122 136
123 void G4eeToHadronsMultiModel::AddEEModel(G4Vee << 137 void G4eeToHadronsMultiModel::AddEEModel(G4Vee2hadrons* mod)
124 const G4DataVector& cuts) <<
125 { 138 {
126 G4eeToHadronsModel* model = new G4eeToHadron 139 G4eeToHadronsModel* model = new G4eeToHadronsModel(mod, verbose);
>> 140 model->SetLowEnergyLimit(LowEnergyLimit());
>> 141 model->SetHighEnergyLimit(HighEnergyLimit());
127 models.push_back(model); 142 models.push_back(model);
128 G4double elow = mod->LowEnergy(); << 143 G4double elow = mod->ThresholdEnergy();
129 ekinMin.push_back(elow); 144 ekinMin.push_back(elow);
130 if(thKineticEnergy > elow) { thKineticEnergy << 145 if(thKineticEnergy > elow) thKineticEnergy = elow;
131 ekinMax.push_back(mod->HighEnergy()); << 146 ekinMax.push_back(mod->HighEnergy());
132 ekinPeak.push_back(mod->PeakEnergy()); 147 ekinPeak.push_back(mod->PeakEnergy());
133 cumSum.push_back(0.0); 148 cumSum.push_back(0.0);
134 <<
135 const G4ParticleDefinition* positron = G4Pos <<
136 model->Initialise(positron,cuts); <<
137 } 149 }
138 150
139 //....oooOO0OOooo........oooOO0OOooo........oo 151 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
140 152
141 G4double G4eeToHadronsMultiModel::CrossSection 153 G4double G4eeToHadronsMultiModel::CrossSectionPerVolume(
142 const G4Material* mat, 154 const G4Material* mat,
143 const G4ParticleDefinition* p, 155 const G4ParticleDefinition* p,
144 G4double kineticEnergy, 156 G4double kineticEnergy,
145 G4double, G4double) 157 G4double, G4double)
146 { 158 {
147 return mat->GetElectronDensity()* 159 return mat->GetElectronDensity()*
148 ComputeCrossSectionPerElectron(p, kineticE 160 ComputeCrossSectionPerElectron(p, kineticEnergy);
149 } 161 }
150 162
151 //....oooOO0OOooo........oooOO0OOooo........oo 163 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
152 164
153 G4double G4eeToHadronsMultiModel::ComputeCross 165 G4double G4eeToHadronsMultiModel::ComputeCrossSectionPerAtom(
154 const G4 166 const G4ParticleDefinition* p,
155 G4double kineticEnergy, 167 G4double kineticEnergy,
156 G4double Z, G4double, 168 G4double Z, G4double,
157 G4double, G4double) 169 G4double, G4double)
158 { 170 {
159 return Z*ComputeCrossSectionPerElectron(p, k 171 return Z*ComputeCrossSectionPerElectron(p, kineticEnergy);
160 } 172 }
161 173
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 } <<
182 174
183 //....oooOO0OOooo........oooOO0OOooo........oo 175 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
184 176
185 void G4eeToHadronsMultiModel::SampleSecondarie << 177 void G4eeToHadronsMultiModel::SampleSecondaries(std::vector<G4DynamicParticle*>* newp,
186 std::vector<G4DynamicParticle*>* ne << 178 const G4MaterialCutsCouple* couple,
187 const G4MaterialCutsCouple* couple, << 179 const G4DynamicParticle* dp,
188 const G4DynamicParticle* dp, << 180 G4double, G4double)
189 G4double, G4double) <<
190 { 181 {
191 G4double kinEnergy = dp->GetKineticEnergy(); 182 G4double kinEnergy = dp->GetKineticEnergy();
192 G4double energy = LabToCM(kinEnergy); << 183 if (kinEnergy > thKineticEnergy) {
193 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) fParticleChange->ProposeTrackStatus(fStopAndKill);
199 fParticleChange->ProposeTrackStatus(fStopA <<
200 } <<
201 break; 189 break;
202 } 190 }
203 } 191 }
204 } 192 }
205 } 193 }
206 194
207 //....oooOO0OOooo........oooOO0OOooo........oo 195 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
208 196
209 void G4eeToHadronsMultiModel::ModelDescription << 197 void G4eeToHadronsMultiModel::PrintInfo()
210 { 198 {
211 if(verbose > 0) { 199 if(verbose > 0) {
212 G4double e1 = 0.5*thKineticEnergy*thKineti 200 G4double e1 = 0.5*thKineticEnergy*thKineticEnergy/electron_mass_c2
213 - 2.0*electron_mass_c2; 201 - 2.0*electron_mass_c2;
214 G4double e2 = 0.5*maxKineticEnergy*maxKine 202 G4double e2 = 0.5*maxKineticEnergy*maxKineticEnergy/electron_mass_c2
215 - 2.0*electron_mass_c2; 203 - 2.0*electron_mass_c2;
216 outFile << " e+ annihilation into had << 204 G4cout << " e+ annihilation into hadrons active from "
217 << e1/GeV << " GeV to " << e2/GeV << " G << 205 << e1/GeV << " GeV to " << e2/GeV << " GeV"
>> 206 << G4endl;
218 } 207 }
219 } 208 }
220 209
221 //....oooOO0OOooo........oooOO0OOooo........oo 210 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
222 211
223 void G4eeToHadronsMultiModel::SetCrossSecFacto 212 void G4eeToHadronsMultiModel::SetCrossSecFactor(G4double fac)
224 { 213 {
225 if(fac > 1.0) { 214 if(fac > 1.0) {
226 csFactor = fac; 215 csFactor = fac;
227 if(verbose > 0) { << 216 if(verbose > 0)
228 G4cout << "### G4eeToHadronsMultiModel: << 217 G4cout << "### G4eeToHadronsMultiModel: The cross section for G4eeToHadronsMultiModel "
229 << "G4eeToHadronsMultiModel is increase << 218 << " is increased by the Factor= " << csFactor << G4endl;
230 << csFactor << " times" << G4endl; <<
231 } <<
232 } 219 }
233 } 220 }
234 221
235 //....oooOO0OOooo........oooOO0OOooo........oo 222 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
236 223