| Geant4 Cross Reference |
1 // 1 //
2 // ******************************************* 2 // ********************************************************************
3 // * License and Disclaimer 3 // * License and Disclaimer *
4 // * 4 // * *
5 // * The Geant4 software is copyright of th 5 // * The Geant4 software is copyright of the Copyright Holders of *
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12 // * institutes,nor the agencies providing fin 12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warran 13 // * work make any representation or warranty, express or implied, *
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17 // * 17 // * *
18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and *
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", NIMB, Vol. 338, 77-88, 2014. |
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 63 // | Feb. 2013 JMCB - Geant4 9.6 FPE fix for bug 1426 |
64 // | Jan. 2015 JMCB - Migration to MT (B 64 // | Jan. 2015 JMCB - Migration to MT (Based on Livermore |
65 // | implementation) 65 // | implementation) |
66 // | Feb. 2016 JMCB - Geant4 10.2 FPE fi 66 // | Feb. 2016 JMCB - Geant4 10.2 FPE fix for bug 1676 |
67 // | 67 // | |
68 // ******************************************* 68 // *********************************************************************
69 69
70 #ifndef G4LowEPComptonModel_h 70 #ifndef G4LowEPComptonModel_h
71 #define G4LowEPComptonModel_h 1 71 #define G4LowEPComptonModel_h 1
72 72
73 #include "G4VEmModel.hh" 73 #include "G4VEmModel.hh"
74 #include "G4PhysicsFreeVector.hh" << 74 #include "G4LPhysicsFreeVector.hh"
75 75
76 class G4ParticleChangeForGamma; 76 class G4ParticleChangeForGamma;
77 class G4VAtomDeexcitation; 77 class G4VAtomDeexcitation;
78 class G4ShellData; 78 class G4ShellData;
79 class G4DopplerProfile; 79 class G4DopplerProfile;
80 80
81 class G4LowEPComptonModel : public G4VEmModel 81 class G4LowEPComptonModel : public G4VEmModel
82 { 82 {
83 83
84 public: 84 public:
85 85
86 explicit G4LowEPComptonModel(const G4Particl << 86 G4LowEPComptonModel(const G4ParticleDefinition* p = 0,
87 const G4String& nam = "LowEPComp 87 const G4String& nam = "LowEPComptonModel");
88 virtual ~G4LowEPComptonModel(); << 88
>> 89 virtual ~G4LowEPComptonModel();
89 90
90 void Initialise(const G4ParticleDefinition*, << 91 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 92
109 G4LowEPComptonModel & operator=(const G4Low << 93 virtual void InitialiseLocal(const G4ParticleDefinition*,
110 G4LowEPComptonModel(const G4LowEPComptonMod << 94 G4VEmModel* masterModel);
>> 95
>> 96 virtual void InitialiseForElement(const G4ParticleDefinition*, G4int Z);
>> 97
>> 98 virtual G4double ComputeCrossSectionPerAtom( const G4ParticleDefinition*,
>> 99 G4double kinEnergy,
>> 100 G4double Z,
>> 101 G4double A=0,
>> 102 G4double cut=0,
>> 103 G4double emax=DBL_MAX );
>> 104
>> 105 virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
>> 106 const G4MaterialCutsCouple*,
>> 107 const G4DynamicParticle*,
>> 108 G4double tmin,
>> 109 G4double maxEnergy);
111 110
112 private: 111 private:
>> 112
113 void ReadData(size_t Z, const char* path = 0 113 void ReadData(size_t Z, const char* path = 0);
>> 114
114 G4double ComputeScatteringFunction(G4double 115 G4double ComputeScatteringFunction(G4double x, G4int Z);
115 116
>> 117 G4LowEPComptonModel & operator=(const G4LowEPComptonModel &right);
>> 118 G4LowEPComptonModel(const G4LowEPComptonModel&);
>> 119
>> 120 G4bool isInitialised;
>> 121 G4int verboseLevel;
>> 122
>> 123 //G4double lowestEnergy;
>> 124
116 G4ParticleChangeForGamma* fParticleChange; 125 G4ParticleChangeForGamma* fParticleChange;
117 G4VAtomDeexcitation* fAtomDeexcitation; 126 G4VAtomDeexcitation* fAtomDeexcitation;
>> 127
118 static G4ShellData* shellData; 128 static G4ShellData* shellData;
119 static G4DopplerProfile* profileData; 129 static G4DopplerProfile* profileData;
120 130
121 static const G4int maxZ = 99; << 131 static G4int maxZ;
122 static G4PhysicsFreeVector* data[100]; << 132 static G4LPhysicsFreeVector* data[100];
>> 133
123 static const G4double ScatFuncFitParam[101][ 134 static const G4double ScatFuncFitParam[101][9];
124 << 135
125 G4int verboseLevel; <<
126 G4bool isInitialised; <<
127 }; 136 };
128 137
129 //******************************************** 138 //****************************************************************************
130 139
131 #endif 140 #endif
132 141