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>> 26 // $Id: G4eeToHadronsMultiModel.cc,v 1.3 2006/06/29 19:32:48 gunter Exp $
>> 27 // GEANT4 tag $Name: geant4-08-02 $
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 on base of Michel Maire code
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" <<
54 #include "G4eeToPGammaModel.hh" <<
55 #include "G4ee2KNeutralModel.hh" <<
56 #include "G4ee2KChargedModel.hh" <<
57 #include "G4eeCrossSections.hh" 53 #include "G4eeCrossSections.hh"
58 #include "G4Vee2hadrons.hh" <<
59 #include "G4Positron.hh" <<
60 54
61 //....oooOO0OOooo........oooOO0OOooo........oo 55 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
62 56
63 using namespace std; 57 using namespace std;
64 58
65 G4eeToHadronsMultiModel::G4eeToHadronsMultiMod << 59 G4eeToHadronsMultiModel::G4eeToHadronsMultiModel(G4int ver, const G4String& name)
66 const G4String& mname) : G4VEmModel(mname), << 60 : G4VEmModel(name),
67 { << 61 csFactor(1.0),
68 maxKineticEnergy = 4.521*CLHEP::GeV; //crre << 62 nModels(0),
69 delta = 1.0*CLHEP::MeV; //for bin width << 63 verbose(ver),
70 } << 64 isInitialised(false)
>> 65 {}
71 66
72 //....oooOO0OOooo........oooOO0OOooo........oo 67 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
73 68
74 G4eeToHadronsMultiModel::~G4eeToHadronsMultiMo 69 G4eeToHadronsMultiModel::~G4eeToHadronsMultiModel()
75 { 70 {
>> 71 G4int n = models.size();
>> 72 if(n>0) {
>> 73 for(G4int i=0; i<n; i++) {
>> 74 delete models[i];
>> 75 }
>> 76 }
76 delete cross; 77 delete cross;
77 } 78 }
78 79
79 //....oooOO0OOooo........oooOO0OOooo........oo 80 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
80 81
81 void G4eeToHadronsMultiModel::Initialise(const << 82 void G4eeToHadronsMultiModel::Initialise(const G4ParticleDefinition* p, const G4DataVector& v)
82 const G4DataVector& cuts) <<
83 { 83 {
84 if(!isInitialised) { 84 if(!isInitialised) {
85 isInitialised = true; 85 isInitialised = true;
86 86
87 //G4cout<<"###Initialise in HadronMultiMod << 87 thKineticEnergy = DBL_MAX;
>> 88 maxKineticEnergy = HighEnergyLimit();
88 89
89 cross = new G4eeCrossSections(); 90 cross = new G4eeCrossSections();
90 << 91 G4eeToHadronsModel* model = new G4eeToHadronsModel(new G4eeToTwoPiModel(cross), verbose);
91 G4eeToTwoPiModel* m2pi = << 92 models.push_back(model);
92 new G4eeToTwoPiModel(cross,maxKineticEne << 93 model->SetHighEnergyLimit(maxKineticEnergy);
93 AddEEModel(m2pi,cuts); << 94 model->Initialise(p, v);
94 << 95 G4double emin = model->LowEnergyLimit();
95 G4eeTo3PiModel* m3pi = << 96 if(emin < thKineticEnergy) thKineticEnergy = emin;
96 new G4eeTo3PiModel(cross,maxKineticEnerg << 97 ekinMin.push_back(emin);
97 AddEEModel(m3pi,cuts); << 98 ekinMax.push_back(model->HighEnergyLimit());
98 << 99 ekinPeak.push_back(model->PeakEnergy());
99 G4ee2KChargedModel* m2kc = << 100 cumSum.push_back(0.0);
100 new G4ee2KChargedModel(cross,maxKineticE << 101 nModels = 1;
101 AddEEModel(m2kc,cuts); <<
102 <<
103 G4ee2KNeutralModel* m2kn = <<
104 new G4ee2KNeutralModel(cross,maxKineticE <<
105 AddEEModel(m2kn,cuts); <<
106 <<
107 G4eeToPGammaModel* mpg1 = <<
108 new G4eeToPGammaModel(cross,"pi0",maxKin <<
109 AddEEModel(mpg1,cuts); <<
110 <<
111 G4eeToPGammaModel* mpg2 = <<
112 new G4eeToPGammaModel(cross,"eta",maxKin <<
113 AddEEModel(mpg2,cuts); <<
114 <<
115 nModels = (G4int)models.size(); <<
116 <<
117 fParticleChange = GetParticleChangeForGamm <<
118 } 102 }
119 } 103 }
120 104
121 //....oooOO0OOooo........oooOO0OOooo........oo 105 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
122 106
123 void G4eeToHadronsMultiModel::AddEEModel(G4Vee << 107 void G4eeToHadronsMultiModel::PrintInfo()
124 const G4DataVector& cuts) <<
125 { <<
126 G4eeToHadronsModel* model = new G4eeToHadron <<
127 models.push_back(model); <<
128 G4double elow = mod->LowEnergy(); <<
129 ekinMin.push_back(elow); <<
130 if(thKineticEnergy > elow) { thKineticEnergy <<
131 ekinMax.push_back(mod->HighEnergy()); <<
132 ekinPeak.push_back(mod->PeakEnergy()); <<
133 cumSum.push_back(0.0); <<
134 <<
135 const G4ParticleDefinition* positron = G4Pos <<
136 model->Initialise(positron,cuts); <<
137 } <<
138 <<
139 //....oooOO0OOooo........oooOO0OOooo........oo <<
140 <<
141 G4double G4eeToHadronsMultiModel::CrossSection <<
142 const G4Material* mat, <<
143 const G4ParticleDefinition* p, <<
144 G4double kineticEnergy, <<
145 G4double, G4double) <<
146 { <<
147 return mat->GetElectronDensity()* <<
148 ComputeCrossSectionPerElectron(p, kineticE <<
149 } <<
150 <<
151 //....oooOO0OOooo........oooOO0OOooo........oo <<
152 <<
153 G4double G4eeToHadronsMultiModel::ComputeCross <<
154 const G4 <<
155 G4double kineticEnergy, <<
156 G4double Z, G4double, <<
157 G4double, G4double) <<
158 { <<
159 return Z*ComputeCrossSectionPerElectron(p, k <<
160 } <<
161 <<
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 <<
183 //....oooOO0OOooo........oooOO0OOooo........oo <<
184 <<
185 void G4eeToHadronsMultiModel::SampleSecondarie <<
186 std::vector<G4DynamicParticle*>* ne <<
187 const G4MaterialCutsCouple* couple, <<
188 const G4DynamicParticle* dp, <<
189 G4double, G4double) <<
190 { <<
191 G4double kinEnergy = dp->GetKineticEnergy(); <<
192 G4double energy = LabToCM(kinEnergy); <<
193 if (energy > thKineticEnergy) { <<
194 G4double q = cumSum[nModels-1]*G4UniformRa <<
195 for(G4int i=0; i<nModels; ++i) { <<
196 if(q <= cumSum[i]) { <<
197 (models[i])->SampleSecondaries(newp, c <<
198 if(newp->size() > 0) { <<
199 fParticleChange->ProposeTrackStatus(fStopA <<
200 } <<
201 break; <<
202 } <<
203 } <<
204 } <<
205 } <<
206 <<
207 //....oooOO0OOooo........oooOO0OOooo........oo <<
208 <<
209 void G4eeToHadronsMultiModel::ModelDescription <<
210 { 108 {
211 if(verbose > 0) { 109 if(verbose > 0) {
212 G4double e1 = 0.5*thKineticEnergy*thKineti << 110 G4cout << " e+ annihilation into hadrons active above "
213 - 2.0*electron_mass_c2; << 111 << thKineticEnergy/GeV << " GeV"
214 G4double e2 = 0.5*maxKineticEnergy*maxKine << 112 << G4endl;
215 - 2.0*electron_mass_c2; <<
216 outFile << " e+ annihilation into had <<
217 << e1/GeV << " GeV to " << e2/GeV << " G <<
218 } 113 }
219 } 114 }
220 115
221 //....oooOO0OOooo........oooOO0OOooo........oo 116 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
222 117
223 void G4eeToHadronsMultiModel::SetCrossSecFacto 118 void G4eeToHadronsMultiModel::SetCrossSecFactor(G4double fac)
224 { 119 {
225 if(fac > 1.0) { 120 if(fac > 1.0) {
226 csFactor = fac; 121 csFactor = fac;
227 if(verbose > 0) { << 122 if(verbose > 0)
228 G4cout << "### G4eeToHadronsMultiModel: << 123 G4cout << "### G4eeToHadronsMultiModel: The cross section for G4eeToHadronsMultiModel is "
229 << "G4eeToHadronsMultiModel is increase << 124 << "increased by the Factor= " << csFactor << G4endl;
230 << csFactor << " times" << G4endl; <<
231 } <<
232 } 125 }
233 } 126 }
234 127
235 //....oooOO0OOooo........oooOO0OOooo........oo 128 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
236 129