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>> 26 // $Id: G4mplIonisationModel.hh,v 1.6 2007/11/13 18:36:29 vnivanch Exp $
>> 27 // GEANT4 tag $Name: geant4-09-01 $
26 // 28 //
27 // ------------------------------------------- 29 // -------------------------------------------------------------------
28 // 30 //
29 // GEANT4 Class header file 31 // GEANT4 Class header file
30 // 32 //
31 // 33 //
32 // File name: G4mplIonisationModel 34 // File name: G4mplIonisationModel
33 // 35 //
34 // Author: Vladimir Ivanchenko 36 // Author: Vladimir Ivanchenko
35 // 37 //
36 // Creation date: 06.09.2005 38 // Creation date: 06.09.2005
37 // 39 //
38 // Modifications: 40 // Modifications:
39 // 12.08.2007 ComputeDEDXAhlen function added 41 // 12.08.2007 ComputeDEDXAhlen function added (M. Vladymyrov)
40 // 42 //
41 // Class Description: 43 // Class Description:
42 // 44 //
43 // Implementation of model of energy loss of t 45 // Implementation of model of energy loss of the magnetic monopole
44 46
45 // ------------------------------------------- 47 // -------------------------------------------------------------------
46 // 48 //
47 49
48 #ifndef G4mplIonisationModel_h 50 #ifndef G4mplIonisationModel_h
49 #define G4mplIonisationModel_h 1 51 #define G4mplIonisationModel_h 1
50 52
51 #include "G4VEmModel.hh" 53 #include "G4VEmModel.hh"
52 #include "G4VEmFluctuationModel.hh" 54 #include "G4VEmFluctuationModel.hh"
53 #include <vector> <<
54 55
55 class G4ParticleChangeForLoss; 56 class G4ParticleChangeForLoss;
56 57
57 class G4mplIonisationModel : public G4VEmModel 58 class G4mplIonisationModel : public G4VEmModel, public G4VEmFluctuationModel
58 { 59 {
59 60
60 public: 61 public:
61 62
62 explicit G4mplIonisationModel(G4double mChar << 63 G4mplIonisationModel(G4double mCharge, const G4String& nam = "mplIonisation");
63 const G4String& nam = "mplIonisatio <<
64 64
65 ~G4mplIonisationModel() override; << 65 virtual ~G4mplIonisationModel();
66 66
67 void Initialise(const G4ParticleDefinition*, << 67 virtual void Initialise(const G4ParticleDefinition*, const G4DataVector&);
68 68
69 G4double ComputeDEDXPerVolume(const G4Materi << 69 virtual G4double ComputeDEDXPerVolume(const G4Material*,
70 const G4ParticleDefinition*, << 70 const G4ParticleDefinition*,
71 G4double kineticEnergy, << 71 G4double kineticEnergy,
72 G4double cutEnergy) override; << 72 G4double cutEnergy);
73 << 73
74 void SampleSecondaries(std::vector<G4Dynamic << 74 virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
75 const G4MaterialCutsCouple*, << 75 const G4MaterialCutsCouple*,
76 const G4DynamicParticle*, << 76 const G4DynamicParticle*,
77 G4double tmin, << 77 G4double tmin,
78 G4double maxEnergy) override; << 78 G4double maxEnergy);
79 << 79
80 << 80
81 G4double SampleFluctuations(const G4Material << 81 virtual G4double SampleFluctuations(const G4Material*,
82 const G4DynamicParticle*, << 82 const G4DynamicParticle*,
83 const G4double t << 83 G4double& tmax,
84 const G4double t << 84 G4double& length,
85 const G4double length, << 85 G4double& meanLoss);
86 const G4double meanLoss) override; << 86
87 << 87 virtual G4double Dispersion(const G4Material*,
88 G4double Dispersion(const G4Material*, << 88 const G4DynamicParticle*,
89 const G4DynamicParticle*, << 89 G4double& tmax,
90 const G4double tcut, << 90 G4double& length);
91 const G4double tmax, <<
92 const G4double length) o <<
93 <<
94 void SetParticle(const G4ParticleDefinition* <<
95 <<
96 // hide assignment operator <<
97 G4mplIonisationModel & operator=(const G4mp <<
98 G4mplIonisationModel(const G4mplIonisationM <<
99 91
100 private: 92 private:
101 93
>> 94 void SetParticle(const G4ParticleDefinition* p);
102 G4double ComputeDEDXAhlen(const G4Material* 95 G4double ComputeDEDXAhlen(const G4Material* material, G4double bg2);
103 96
104 const G4ParticleDefinition* monopole = nullp << 97 // hide assignment operator
105 G4ParticleChangeForLoss* fParticleChange = n << 98 G4mplIonisationModel & operator=(const G4mplIonisationModel &right);
>> 99 G4mplIonisationModel(const G4mplIonisationModel&);
>> 100
>> 101 const G4ParticleDefinition* monopole;
>> 102 G4ParticleChangeForLoss* fParticleChange;
106 103
107 G4double mass = 0.0; << 104 G4double mass;
108 G4double magCharge; 105 G4double magCharge;
109 G4double twoln10; 106 G4double twoln10;
110 G4double betalow; 107 G4double betalow;
111 G4double betalim; 108 G4double betalim;
112 G4double beta2lim; 109 G4double beta2lim;
113 G4double bg2lim; 110 G4double bg2lim;
>> 111 G4double factlow;
114 G4double chargeSquare; 112 G4double chargeSquare;
115 G4double dedxlim; 113 G4double dedxlim;
116 G4double pi_hbarc2_over_mc2; <<
117 <<
118 G4int nmpl; 114 G4int nmpl;
119 << 115 G4double pi_hbarc2_over_mc2;
120 static std::vector<G4double>* dedx0; << 116 G4double approxConst;
121 }; 117 };
122 118
123 #endif 119 #endif
>> 120
>> 121 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 122
>> 123 inline void G4mplIonisationModel::SampleSecondaries(std::vector<G4DynamicParticle*>*,
>> 124 const G4MaterialCutsCouple*,
>> 125 const G4DynamicParticle*,
>> 126 G4double,
>> 127 G4double)
>> 128 {}
>> 129
>> 130 inline G4double G4mplIonisationModel::Dispersion(
>> 131 const G4Material* material,
>> 132 const G4DynamicParticle* dp,
>> 133 G4double& tmax,
>> 134 G4double& length)
>> 135 {
>> 136 G4double siga = 0.0;
>> 137 G4double tau = dp->GetKineticEnergy()/mass;
>> 138 if(tau > 0.0) {
>> 139 G4double electronDensity = material->GetElectronDensity();
>> 140 G4double gam = tau + 1.0;
>> 141 G4double invbeta2 = (gam*gam)/(tau * (tau+2.0));
>> 142 siga = (invbeta2 - 0.5) * twopi_mc2_rcl2 * tmax * length
>> 143 * electronDensity * chargeSquare;
>> 144 }
>> 145 return siga;
>> 146 }
>> 147
124 148
125 //....oooOO0OOooo........oooOO0OOooo........oo 149 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
126 150