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25 // 25 //
>> 26 // $Id: G4eeToHadronsMultiModel.hh,v 1.6 2008/07/10 18:06:38 vnivanch Exp $
>> 27 // GEANT4 tag $Name: geant4-09-02-patch-03 $
26 // 28 //
27 // ------------------------------------------- 29 // -------------------------------------------------------------------
28 // 30 //
29 // GEANT4 Class header file 31 // GEANT4 Class header 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: 18.05.2005 38 // Creation date: 18.05.2005
37 // 39 //
38 // Modifications: 40 // Modifications:
39 // 41 //
40 42
41 // 43 //
42 // Class Description: vector of e+e- -> hadron 44 // Class Description: vector of e+e- -> hadrons models
43 // 45 //
44 46
45 // ------------------------------------------- 47 // -------------------------------------------------------------------
46 // 48 //
47 49
48 #ifndef G4eeToHadronsMultiModel_h 50 #ifndef G4eeToHadronsMultiModel_h
49 #define G4eeToHadronsMultiModel_h 1 51 #define G4eeToHadronsMultiModel_h 1
50 52
51 #include "G4VEmModel.hh" 53 #include "G4VEmModel.hh"
52 #include "G4eeToHadronsModel.hh" 54 #include "G4eeToHadronsModel.hh"
53 #include "G4ParticleChangeForGamma.hh" 55 #include "G4ParticleChangeForGamma.hh"
54 #include "G4TrackStatus.hh" 56 #include "G4TrackStatus.hh"
55 #include "Randomize.hh" 57 #include "Randomize.hh"
56 #include <CLHEP/Units/SystemOfUnits.h> <<
57 #include <CLHEP/Units/PhysicalConstants.h> <<
58 #include <vector> 58 #include <vector>
59 59
60 class G4eeCrossSections; 60 class G4eeCrossSections;
61 class G4Vee2hadrons; 61 class G4Vee2hadrons;
62 62
63 class G4eeToHadronsMultiModel : public G4VEmMo 63 class G4eeToHadronsMultiModel : public G4VEmModel
64 { 64 {
65 65
66 public: 66 public:
67 67
68 explicit G4eeToHadronsMultiModel(G4int ver=0 << 68 G4eeToHadronsMultiModel(G4int ver=0, const G4String& nam = "eeToHadrons");
69 const G4Str <<
70 69
71 ~G4eeToHadronsMultiModel() override; << 70 virtual ~G4eeToHadronsMultiModel();
72 71
73 void Initialise(const G4ParticleDefinition*, << 72 virtual void Initialise(const G4ParticleDefinition*, const G4DataVector&);
74 73
75 G4double CrossSectionPerVolume(const G4Mater << 74 virtual G4double CrossSectionPerVolume(const G4Material*,
76 const G4ParticleDefinition*, << 75 const G4ParticleDefinition*,
77 G4double kineticEnergy, << 76 G4double kineticEnergy,
78 G4double cutEnergy, << 77 G4double cutEnergy,
79 G4double maxEnergy) override; << 78 G4double maxEnergy);
80 << 79
81 G4double ComputeCrossSectionPerAtom( << 80 virtual G4double ComputeCrossSectionPerAtom(
82 const G4Parti << 81 const G4ParticleDefinition*,
83 G4double kine << 82 G4double kineticEnergy,
84 G4double Z, G << 83 G4double Z, G4double A,
85 G4double cutE << 84 G4double cutEnergy = 0.0,
86 G4double maxE << 85 G4double maxEnergy = DBL_MAX);
87 << 86
88 void SampleSecondaries(std::vector<G4Dynamic << 87 virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
89 const G4MaterialCutsCouple*, << 88 const G4MaterialCutsCouple*,
90 const G4DynamicParticle*, << 89 const G4DynamicParticle*,
91 G4double tmin = 0.0, << 90 G4double tmin = 0.0,
92 G4double maxEnergy = DBL_MAX) override; << 91 G4double maxEnergy = DBL_MAX);
>> 92
>> 93 inline G4double ComputeCrossSectionPerElectron(
>> 94 const G4ParticleDefinition*,
>> 95 G4double kineticEnergy,
>> 96 G4double cutEnergy = 0.0,
>> 97 G4double maxEnergy = DBL_MAX);
>> 98
>> 99 void PrintInfo();
93 100
94 void ModelDescription(std::ostream& outFile) <<
95 <<
96 // Set the factor to artificially increase t 101 // Set the factor to artificially increase the crossSection (default 1)
97 void SetCrossSecFactor(G4double fac); 102 void SetCrossSecFactor(G4double fac);
98 103
99 G4double ComputeCrossSectionPerElectron(cons <<
100 G4do <<
101 G4do <<
102 G4do <<
103 <<
104 // hide assignment operator <<
105 G4eeToHadronsMultiModel & operator=(const G <<
106 G4eeToHadronsMultiModel(const G4eeToHadrons <<
107 <<
108 private: 104 private:
109 105
110 void AddEEModel(G4Vee2hadrons*, const G4Data << 106 void AddEEModel(G4Vee2hadrons*);
111 107
112 //change incident e+ kinetic energy into CM << 108 // hide assignment operator
113 inline G4double LabToCM(G4double); << 109 G4eeToHadronsMultiModel & operator=(const G4eeToHadronsMultiModel &right);
>> 110 G4eeToHadronsMultiModel(const G4eeToHadronsMultiModel&);
114 111
115 G4eeCrossSections* cross = nul << 112 G4eeCrossSections* cross;
116 G4ParticleChangeForGamma* fParticleCh << 113 G4ParticleChangeForGamma* fParticleChange;
117 114
118 std::vector<G4eeToHadronsModel*> models; 115 std::vector<G4eeToHadronsModel*> models;
119 116
120 std::vector<G4double> ekinMin; 117 std::vector<G4double> ekinMin;
121 std::vector<G4double> ekinPeak; 118 std::vector<G4double> ekinPeak;
122 std::vector<G4double> ekinMax; 119 std::vector<G4double> ekinMax;
123 std::vector<G4double> cumSum; 120 std::vector<G4double> cumSum;
124 121
125 G4double delta; << 122 G4double thKineticEnergy;
126 G4double thKineticEn <<
127 G4double maxKineticE 123 G4double maxKineticEnergy;
128 G4double csFactor = << 124 G4double csFactor;
129 125
130 G4int nModels = 0 << 126 G4int nModels;
131 G4int verbose; 127 G4int verbose;
132 G4bool isInitialis << 128 G4bool isInitialised;
133 }; 129 };
134 130
135 //....oooOO0OOooo........oooOO0OOooo........oo 131 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
136 132
137 //change incident e+ kinetic energy into CM to << 133 inline G4double G4eeToHadronsMultiModel::ComputeCrossSectionPerElectron(
138 inline G4double G4eeToHadronsMultiModel::LabTo << 134 const G4ParticleDefinition*,
>> 135 G4double kineticEnergy,
>> 136 G4double, G4double)
139 { 137 {
140 G4double totE_CM = 0.0; << 138 G4double res = 0.0;
141 G4double mass = CLHEP::electron_mass_c2; << 139 if (kineticEnergy > thKineticEnergy) {
142 G4double totE_lab = kinE_lab + mass; << 140 for(G4int i=0; i<nModels; i++) {
143 totE_CM = std::sqrt(2*mass*(mass+totE_lab)); << 141 if(kineticEnergy >= ekinMin[i] && kineticEnergy <= ekinMax[i])
144 << 142 res += (models[i])->ComputeCrossSectionPerElectron(0,kineticEnergy);
145 return totE_CM; << 143 cumSum[i] = res;
>> 144 }
>> 145 }
>> 146 return res*csFactor;
146 } 147 }
147 148
148 //....oooOO0OOooo........oooOO0OOooo........oo 149 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
149 150
150 #endif 151 #endif
151 152