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25 // 25 //
26 ////////////////////////////////////////////// << 26 /////////////////////////////////////////////////////////////////////////////////
27 // Class: G4ContinuousGainOfEnergy << 27 // Module: G4ContinuousGainOfEnergy.hh
28 // Author: L. Desorgher << 28 // Author: L. Desorgher
29 // Organisation: SpaceIT GmbH << 29 // Date: 10 May 2007
>> 30 // Organisation: SpaceIT GmbH
>> 31 // Customer: ESA/ESTEC
>> 32 /////////////////////////////////////////////////////////////////////////////////
>> 33 //
>> 34 // CHANGE HISTORY
>> 35 // --------------
>> 36 // ChangeHistory:
>> 37 // 10 May 2007 creation by L. Desorgher
>> 38 //
>> 39 //-------------------------------------------------------------
>> 40 // Documentation:
>> 41 // Continuous process acting on adjoint particles to compute the continuous gain of energy of charged particels whern they are tracked back!
30 // 42 //
31 // Continuous process acting on adjoint parti <<
32 // gain of energy of charged particles when t <<
33 ////////////////////////////////////////////// <<
34 <<
35 #ifndef G4ContinuousGainOfEnergy_h 43 #ifndef G4ContinuousGainOfEnergy_h
36 #define G4ContinuousGainOfEnergy_h 1 44 #define G4ContinuousGainOfEnergy_h 1
37 45
38 #include "globals.hh" <<
39 #include "G4ProductionCutsTable.hh" <<
40 #include "G4VContinuousProcess.hh" 46 #include "G4VContinuousProcess.hh"
>> 47 #include "globals.hh"
>> 48 #include "G4Material.hh"
>> 49 #include "G4MaterialCutsCouple.hh"
>> 50 #include "G4Track.hh"
>> 51 #include "G4UnitsTable.hh"
>> 52 #include "G4ParticleChange.hh"
>> 53 #include "G4VEnergyLossProcess.hh"
>> 54
41 55
42 class G4Material; <<
43 class G4MaterialCutsCouple; <<
44 class G4ParticleChange; <<
45 class G4ParticleDefinition; <<
46 class G4Step; 56 class G4Step;
47 class G4Track; << 57 class G4ParticleDefinition;
48 class G4VEmModel; 58 class G4VEmModel;
49 class G4VEnergyLossProcess; << 59 class G4VEmFluctuationModel;
>> 60
>> 61
50 62
51 class G4ContinuousGainOfEnergy : public G4VCon 63 class G4ContinuousGainOfEnergy : public G4VContinuousProcess
52 { 64 {
53 public: << 65 public:
54 explicit G4ContinuousGainOfEnergy(const G4St <<
55 G4ProcessT <<
56 66
57 ~G4ContinuousGainOfEnergy() override; << 67 G4ContinuousGainOfEnergy(const G4String& name = "EnergyGain",
>> 68 G4ProcessType type = fElectromagnetic);
58 69
59 G4VParticleChange* AlongStepDoIt(const G4Tra << 70 virtual ~G4ContinuousGainOfEnergy();
60 71
61 void SetLossFluctuations(G4bool val); <<
62 72
63 inline void SetDirectEnergyLossProcess(G4VEn << 73 protected:
64 { <<
65 fDirectEnergyLossProcess = aProcess; <<
66 }; <<
67 <<
68 void SetDirectParticle(G4ParticleDefinition* <<
69 <<
70 void ProcessDescription(std::ostream&) const <<
71 void DumpInfo() const override { ProcessDesc <<
72 <<
73 G4ContinuousGainOfEnergy(G4ContinuousGainOfE <<
74 G4ContinuousGainOfEnergy& operator=(const G4 <<
75 delete; <<
76 <<
77 protected: <<
78 G4double GetContinuousStepLimit(const G4Trac <<
79 G4double pre <<
80 G4double cur <<
81 G4double& cu <<
82 74
83 private: << 75
84 void DefineMaterial(const G4MaterialCutsCoup << 76 //------------------------------------------------------------------------
85 void SetDynamicMassCharge(const G4Track& tra << 77 // Methods with standard implementation; may be overwritten if needed
>> 78 //------------------------------------------------------------------------
>> 79 protected:
>> 80
>> 81
>> 82 virtual G4double GetContinuousStepLimit(const G4Track& track,
>> 83 G4double previousStepSize,
>> 84 G4double currentMinimumStep,
>> 85 G4double& currentSafety);
>> 86
>> 87
>> 88 //------------------------------------------------------------------------
>> 89 // Generic methods common to all processes
>> 90 //------------------------------------------------------------------------
>> 91 public:
86 92
87 const G4Material* fCurrentMaterial = nullptr << 93
88 const G4MaterialCutsCouple* fCurrentCouple = <<
89 94
90 G4VEmModel* fCurrentModel << 95 void PreparePhysicsTable(const G4ParticleDefinition&);
91 G4VEnergyLossProcess* fDirectEnergyLossProce <<
92 G4ParticleDefinition* fDirectPartDef <<
93 96
94 G4double fCurrentTcut = 0.; << 97 void BuildPhysicsTable(const G4ParticleDefinition&);
95 G4double fPreStepKinEnergy = 1.; <<
96 G4double fLinLossLimit = 0.05; <<
97 G4double fMassRatio = 1.; <<
98 98
99 size_t fCurrentCoupleIndex = 9999999; << 99
>> 100 G4VParticleChange* AlongStepDoIt(const G4Track&, const G4Step&);
100 101
101 G4bool fIsIon = false; << 102
102 G4bool fLossFluctuationFlag = true; << 103 void SetLossFluctuations(G4bool val);
103 G4bool fLossFluctuationArePossible = true; << 104 inline void SetIsIntegral(G4bool val){is_integral= val;}
>> 105
>> 106 inline void SetDirectEnergyLossProcess(G4VEnergyLossProcess* aProcess){theDirectEnergyLossProcess=aProcess;};
>> 107
>> 108 inline void SetDirectParticle(G4ParticleDefinition* p){theDirectPartDef=p;};
>> 109
>> 110 protected:
>> 111
>> 112
>> 113
>> 114
>> 115 private:
>> 116
>> 117 void DefineMaterial(const G4MaterialCutsCouple* couple);
>> 118
>> 119 // hide assignment operator
>> 120
>> 121 G4ContinuousGainOfEnergy(G4ContinuousGainOfEnergy &);
>> 122 G4ContinuousGainOfEnergy & operator=(const G4ContinuousGainOfEnergy &right);
>> 123
>> 124
>> 125 private:
>> 126
>> 127 const G4Material* currentMaterial;
>> 128 const G4MaterialCutsCouple* currentCouple;
>> 129 size_t currentMaterialIndex;
>> 130 G4double currentTcut;
>> 131 G4double preStepKinEnergy;
>> 132
>> 133
>> 134 G4double linLossLimit;
>> 135 G4bool lossFluctuationFlag;
>> 136 G4bool lossFluctuationArePossible;
>> 137
>> 138 G4VEnergyLossProcess* theDirectEnergyLossProcess;
>> 139 G4ParticleDefinition* theDirectPartDef;
>> 140
>> 141
>> 142 G4bool is_integral;
>> 143
>> 144
104 }; 145 };
105 146
106 ////////////////////////////////////////////// 147 ///////////////////////////////////////////////////////
>> 148 //
107 inline void G4ContinuousGainOfEnergy::DefineMa 149 inline void G4ContinuousGainOfEnergy::DefineMaterial(
108 const G4MaterialCutsCouple* couple) << 150 const G4MaterialCutsCouple* couple)
109 { 151 {
110 if(couple != fCurrentCouple) << 152 if(couple != currentCouple) {
111 { << 153 currentCouple = couple;
112 fCurrentCouple = couple; << 154 currentMaterial = couple->GetMaterial();
113 fCurrentMaterial = couple->GetMaterial( << 155 currentMaterialIndex = couple->GetIndex();
114 fCurrentCoupleIndex = couple->GetIndex(); << 156 currentTcut = couple->GetProductionCuts()->GetProductionCut(theDirectPartDef->GetParticleName());
115 << 157 //G4cout<<"Define Material"<<std::endl;
116 const std::vector<G4double>* aVec = << 158 //if(!meanFreePath) ResetNumberOfInteractionLengthLeft();
117 G4ProductionCutsTable::GetProductionCuts <<
118 fCurrentTcut = (*aVec)[fCurrentCoupleIndex <<
119 } 159 }
120 } 160 }
121 << 161 ///////////////////////////////////////////////////////
>> 162 //
>> 163 inline G4double G4ContinuousGainOfEnergy::GetContinuousStepLimit(const G4Track& track,
>> 164 G4double , G4double , G4double& )
>> 165 {
>> 166 G4double x = DBL_MAX;
>> 167 x=.1*mm;
>> 168
>> 169 //G4cout<<x<<std::endl;
>> 170 DefineMaterial(track.GetMaterialCutsCouple());
>> 171 preStepKinEnergy = track.GetKineticEnergy();
>> 172 G4double maxE=1.2*preStepKinEnergy;
>> 173 G4double r = theDirectEnergyLossProcess->GetRange(preStepKinEnergy, currentCouple);
>> 174 G4double r1 = theDirectEnergyLossProcess->GetRange(maxE, currentCouple);
>> 175 x=std::max(r1-r,.1);
>> 176
>> 177 return x;
>> 178
>> 179
>> 180 }
122 #endif 181 #endif
123 182