| Geant4 Cross Reference |
1 // 1 //
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19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. *
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24 // ******************************************* 24 // ********************************************************************
25 // ******************************************* 25 // ********************************************************************
26 // ******************************************* 26 // *********************************************************************
27 // | 27 // | |
28 // | G4LowEPComptonModel-- Geant4 28 // | G4LowEPComptonModel-- Geant4 Monash University |
29 // | low energy Compton scat 29 // | low energy Compton scattering model. |
30 // | J. M. C. Brown, Monash Univer 30 // | J. M. C. Brown, Monash University, Australia |
31 // | ## Unpolarised photons 31 // | ## Unpolarised photons only ## |
32 // | 32 // | |
33 // | 33 // | |
34 // ******************************************* 34 // *********************************************************************
35 // | 35 // | |
36 // | The following is a Geant4 class to simula 36 // | The following is a Geant4 class to simulate the process of |
37 // | bound electron Compton scattering. Genera 37 // | bound electron Compton scattering. General code structure is |
38 // | based on G4LowEnergyCompton.cc and G4Live 38 // | based on G4LowEnergyCompton.cc and G4LivermoreComptonModel.cc. |
39 // | Algorithms for photon energy, and ejected 39 // | Algorithms for photon energy, and ejected Compton electron |
40 // | direction taken from: 40 // | direction taken from: |
41 // | 41 // | |
42 // | J. M. C. Brown, M. R. Dimmock, J. E. Gill 42 // | J. M. C. Brown, M. R. Dimmock, J. E. Gillam and D. M. Paganin, |
43 // | "A low energy bound atomic electron Compt 43 // | "A low energy bound atomic electron Compton scattering model |
44 // | for Geant4", NIMB, Vol. 338, 77-88, 2014 << 44 // | for Geant4", IEEE Transactions on Nuclear Science, submitted. |
45 // | 45 // | |
46 // | The author acknowledges the work of the G 46 // | The author acknowledges the work of the Geant4 collaboration |
47 // | in developing the following algorithms th 47 // | in developing the following algorithms that have been employed |
48 // | or adapeted for the present software: 48 // | or adapeted for the present software: |
49 // | 49 // | |
50 // | # sampling of photon scattering angle, 50 // | # sampling of photon scattering angle, |
51 // | # target element selection in composite 51 // | # target element selection in composite materials, |
52 // | # target shell selection in element, 52 // | # target shell selection in element, |
53 // | # and sampling of bound electron momentu 53 // | # and sampling of bound electron momentum from Compton profiles. |
54 // | 54 // | |
55 // ******************************************* 55 // *********************************************************************
56 // | 56 // | |
57 // | History: 57 // | History: |
58 // | -------- 58 // | -------- |
59 // | 59 // | |
60 // | Nov. 2011 JMCB - First version 60 // | Nov. 2011 JMCB - First version |
61 // | Feb. 2012 JMCB - Migration to Geant 61 // | Feb. 2012 JMCB - Migration to Geant4 9.5 |
62 // | Sep. 2012 JMCB - Final fixes for Ge 62 // | Sep. 2012 JMCB - Final fixes for Geant4 9.6 |
63 // | Feb. 2013 JMCB - Geant4 9.6 FPE fix <<
64 // | Jan. 2015 JMCB - Migration to MT (B <<
65 // | implementation) <<
66 // | Feb. 2016 JMCB - Geant4 10.2 FPE fi <<
67 // | 63 // | |
68 // ******************************************* 64 // *********************************************************************
69 65
70 #ifndef G4LowEPComptonModel_h 66 #ifndef G4LowEPComptonModel_h
71 #define G4LowEPComptonModel_h 1 67 #define G4LowEPComptonModel_h 1
72 68
73 #include "G4VEmModel.hh" 69 #include "G4VEmModel.hh"
74 #include "G4PhysicsFreeVector.hh" << 70 #include "G4ShellData.hh"
>> 71 #include "G4DopplerProfile.hh"
75 72
76 class G4ParticleChangeForGamma; 73 class G4ParticleChangeForGamma;
>> 74 class G4VCrossSectionHandler;
77 class G4VAtomDeexcitation; 75 class G4VAtomDeexcitation;
78 class G4ShellData; << 76 class G4VEMDataSet;
79 class G4DopplerProfile; <<
80 77
81 class G4LowEPComptonModel : public G4VEmModel 78 class G4LowEPComptonModel : public G4VEmModel
82 { 79 {
83 80
84 public: 81 public:
85 82
86 explicit G4LowEPComptonModel(const G4Particl << 83 G4LowEPComptonModel(const G4ParticleDefinition* p = 0,
87 const G4String& nam = "LowEPComp 84 const G4String& nam = "LowEPComptonModel");
88 virtual ~G4LowEPComptonModel(); << 85
>> 86 virtual ~G4LowEPComptonModel();
89 87
90 void Initialise(const G4ParticleDefinition*, << 88 virtual void Initialise(const G4ParticleDefinition*, const G4DataVector&);
91 void InitialiseLocal(const G4ParticleDefinit <<
92 G4VEmModel* mas <<
93 <<
94 void InitialiseForElement(const G4ParticleDe <<
95 <<
96 G4double ComputeCrossSectionPerAtom( const G <<
97 G4double kinEnergy, <<
98 G4double Z, <<
99 G4double A=0, <<
100 G4double cut=0, <<
101 G4double emax=DBL_MAX ) overrid <<
102 <<
103 void SampleSecondaries(std::vector<G4Dynamic <<
104 const G4MaterialCutsCouple*, <<
105 const G4DynamicParticle*, <<
106 G4double tmin, <<
107 G4double maxEnergy) override; <<
108 89
109 G4LowEPComptonModel & operator=(const G4Low << 90 virtual G4double ComputeCrossSectionPerAtom( const G4ParticleDefinition*,
110 G4LowEPComptonModel(const G4LowEPComptonMod << 91 G4double kinEnergy,
>> 92 G4double Z,
>> 93 G4double A=0,
>> 94 G4double cut=0,
>> 95 G4double emax=DBL_MAX );
>> 96
>> 97 virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
>> 98 const G4MaterialCutsCouple*,
>> 99 const G4DynamicParticle*,
>> 100 G4double tmin,
>> 101 G4double maxEnergy);
111 102
112 private: << 103 protected:
113 void ReadData(size_t Z, const char* path = 0 <<
114 G4double ComputeScatteringFunction(G4double <<
115 104
116 G4ParticleChangeForGamma* fParticleChange; 105 G4ParticleChangeForGamma* fParticleChange;
117 G4VAtomDeexcitation* fAtomDeexcitation; << 106
118 static G4ShellData* shellData; << 107 private:
119 static G4DopplerProfile* profileData; << 108
120 << 109 G4double lowEnergyLimit;
121 static const G4int maxZ = 99; << 110 G4double highEnergyLimit;
122 static G4PhysicsFreeVector* data[100]; <<
123 static const G4double ScatFuncFitParam[101][ <<
124 <<
125 G4int verboseLevel; <<
126 G4bool isInitialised; 111 G4bool isInitialised;
>> 112 G4int verboseLevel;
>> 113
>> 114 G4VEMDataSet* scatterFunctionData;
>> 115 G4VCrossSectionHandler* crossSectionHandler;
>> 116
>> 117 G4VAtomDeexcitation* fAtomDeexcitation;
>> 118
>> 119 G4ShellData shellData;
>> 120 G4DopplerProfile profileData;
>> 121
>> 122 G4LowEPComptonModel & operator=(const G4LowEPComptonModel &right);
>> 123 G4LowEPComptonModel(const G4LowEPComptonModel&);
>> 124
>> 125
127 }; 126 };
128 127
129 //******************************************** 128 //****************************************************************************
130 129
131 #endif 130 #endif
132 131