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25 // 25 //
26 // Author: Sebastien Incerti 26 // Author: Sebastien Incerti
27 // 22 January 2012 27 // 22 January 2012
28 // on base of G4LivermoreGammaConversi 28 // on base of G4LivermoreGammaConversionModel (original version)
29 // and G4LivermoreRayleighModel (MT ve 29 // and G4LivermoreRayleighModel (MT version)
30 // <<
31 // Modifications: Zhuxin Li@CENBG <<
32 // 11 March 2020 <<
33 // derives from G4PairProductio <<
34 // ------------------------------------------- <<
35 30
36 #ifndef G4LivermoreGammaConversionModel_h 31 #ifndef G4LivermoreGammaConversionModel_h
37 #define G4LivermoreGammaConversionModel_h 1 32 #define G4LivermoreGammaConversionModel_h 1
38 33
39 #include "G4PairProductionRelModel.hh" << 34 #include "G4VEmModel.hh"
40 #include "G4Log.hh" 35 #include "G4Log.hh"
41 36
42 class G4ParticleChangeForGamma; 37 class G4ParticleChangeForGamma;
43 class G4PhysicsFreeVector; << 38 class G4LPhysicsFreeVector;
44 class G4PhysicsLogVector; 39 class G4PhysicsLogVector;
45 40
46 class G4LivermoreGammaConversionModel : public << 41 class G4LivermoreGammaConversionModel : public G4VEmModel
47 { 42 {
>> 43
48 public: 44 public:
49 << 45
50 explicit G4LivermoreGammaConversionModel( 46 explicit G4LivermoreGammaConversionModel(
51 const G4ParticleDefinition* p = n << 47 const G4ParticleDefinition* p = nullptr,
52 const G4String& nam = "LivermoreC << 48 const G4String& nam = "LivermoreConversion");
53 ~G4LivermoreGammaConversionModel() override; << 49
54 << 50 virtual ~G4LivermoreGammaConversionModel();
55 void Initialise(const G4ParticleDefinition*, << 51
56 const G4DataVector&) overrid << 52 virtual void Initialise(const G4ParticleDefinition*,
57 void InitialiseForElement(const G4ParticleDe << 53 const G4DataVector&);
58 G4int Z) ove << 54
59 G4double ComputeCrossSectionPerAtom( << 55 virtual void InitialiseLocal(const G4ParticleDefinition*,
>> 56 G4VEmModel* masterModel);
>> 57
>> 58 virtual void InitialiseForElement(const G4ParticleDefinition*, G4int Z);
>> 59
>> 60 virtual G4double ComputeCrossSectionPerAtom(
60 const G4Partic 61 const G4ParticleDefinition*,
61 G4double 62 G4double kinEnergy,
62 G4double 63 G4double Z,
63 G4double 64 G4double A=0.0,
64 G4double 65 G4double cut=0.0,
65 G4double << 66 G4double emax=DBL_MAX);
>> 67
>> 68 virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
>> 69 const G4MaterialCutsCouple*,
>> 70 const G4DynamicParticle*,
>> 71 G4double tmin,
>> 72 G4double maxEnergy);
>> 73
>> 74 virtual G4double MinPrimaryEnergy(const G4Material*,
>> 75 const G4ParticleDefinition*,
>> 76 G4double);
>> 77
>> 78 private:
>> 79
>> 80 void ReadData(size_t Z, const char* path = nullptr);
>> 81 void InitialiseProbability(const G4ParticleDefinition*, G4int Z);
>> 82
>> 83 inline G4double ScreenFunction1(G4double screenVariable);
>> 84 inline G4double ScreenFunction2(G4double screenVariable);
>> 85
66 G4LivermoreGammaConversionModel & operator= 86 G4LivermoreGammaConversionModel & operator=
67 (const G4LivermoreGammaConversionModel &rig 87 (const G4LivermoreGammaConversionModel &right) = delete;
68 G4LivermoreGammaConversionModel(const G4Liv 88 G4LivermoreGammaConversionModel(const G4LivermoreGammaConversionModel&) = delete;
69 89
70 private: << 90 static G4double lowEnergyLimit;
71 void ReadData(const G4int ZZ); << 91 static G4double tripletLowEnergy;
72 const G4String& FindDirectoryPath(); << 92 static G4double tripletHighEnergy;
>> 93
>> 94 static G4int verboseLevel;
>> 95 static G4int nbinsTriplet;
>> 96 static G4int maxZ;
73 97
>> 98 static G4LPhysicsFreeVector* data[100]; // 100 because Z range is 1-99
>> 99 static G4PhysicsLogVector* probTriplet[100]; //
>> 100
74 G4ParticleChangeForGamma* fParticleChange; 101 G4ParticleChangeForGamma* fParticleChange;
>> 102 };
75 103
76 static G4PhysicsFreeVector* data[101]; // 10 << 104 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
77 static G4String gDataDirectory; <<
78 105
79 G4double lowEnergyLimit; << 106 inline G4double
80 G4int verboseLevel; << 107 G4LivermoreGammaConversionModel::ScreenFunction1(G4double screenVariable)
81 G4int maxZ = 100; << 108 {
82 G4bool useSpline = false; << 109 // Compute the value of the screening function 3*phi1 - phi2
83 G4bool isInitialised = false; << 110 return (screenVariable > 1.)
84 }; << 111 ? 42.24 - 8.368 * G4Log(screenVariable + 0.952)
>> 112 : 42.392 - screenVariable * (7.796 - 1.961 * screenVariable);
>> 113 }
>> 114
>> 115 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 116
>> 117 inline G4double
>> 118 G4LivermoreGammaConversionModel::ScreenFunction2(G4double screenVariable)
>> 119 {
>> 120 // Compute the value of the screening function 1.5*phi1 - 0.5*phi2
>> 121 return (screenVariable > 1.)
>> 122 ? 42.24 - 8.368 * G4Log(screenVariable + 0.952)
>> 123 : 41.405 - screenVariable * (5.828 - 0.8945 * screenVariable);
>> 124 }
85 125
>> 126 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
86 127
87 #endif 128 #endif
88 129