| Geant4 Cross Reference |
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24 // ******************************************* 24 // ********************************************************************
25 // ******************************************* 25 // ********************************************************************
26 // ******************************************* 26 // *********************************************************************
27 // | 27 // | |
28 // | G4LowEPPolarizedComptonModel-- Geant 28 // | G4LowEPPolarizedComptonModel-- Geant4 Monash University |
29 // | polarised low energy Compton scat 29 // | polarised low energy Compton scattering model. |
30 // | J. M. C. Brown, Monash Universit 30 // | J. M. C. Brown, Monash University, Australia |
31 // | 31 // | |
32 // | 32 // | |
33 // ******************************************* 33 // *********************************************************************
34 // | 34 // | |
35 // | The following is a Geant4 class to simula 35 // | The following is a Geant4 class to simulate the process of |
36 // | bound electron Compton scattering. Genera 36 // | bound electron Compton scattering. General code structure is |
37 // | based on G4LowEnergyCompton.cc and 37 // | based on G4LowEnergyCompton.cc and |
38 // | G4LivermorePolarizedComptonModel.cc. 38 // | G4LivermorePolarizedComptonModel.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 // | Jan. 2015 JMCB - 1st Version based 60 // | Jan. 2015 JMCB - 1st Version based on G4LowEPComptonModel |
61 // | Feb. 2016 JMCB - Geant4 10.2 FPE fi 61 // | Feb. 2016 JMCB - Geant4 10.2 FPE fix for bug 1676 |
62 // | Nov. 2016 JMCB - Polarisation track 62 // | Nov. 2016 JMCB - Polarisation tracking fix in collaboration |
63 // | of Dr. Merlin Reyn 63 // | of Dr. Merlin Reynaard Kole, |
64 // | University of Gene 64 // | University of Geneva |
65 // | 65 // | |
66 // ******************************************* 66 // *********************************************************************
67 67
>> 68
>> 69
68 #ifndef G4LowEPPolarizedComptonModel_h 70 #ifndef G4LowEPPolarizedComptonModel_h
69 #define G4LowEPPolarizedComptonModel_h 1 71 #define G4LowEPPolarizedComptonModel_h 1
70 72
71 #include "G4VEmModel.hh" 73 #include "G4VEmModel.hh"
72 #include "G4PhysicsFreeVector.hh" << 74 #include "G4LPhysicsFreeVector.hh"
73 #include <limits> 75 #include <limits>
74 #include "G4Electron.hh" 76 #include "G4Electron.hh"
75 #include "G4ParticleChangeForGamma.hh" 77 #include "G4ParticleChangeForGamma.hh"
76 #include "G4LossTableManager.hh" 78 #include "G4LossTableManager.hh"
77 #include "G4VAtomDeexcitation.hh" 79 #include "G4VAtomDeexcitation.hh"
78 #include "G4AtomicShell.hh" 80 #include "G4AtomicShell.hh"
79 #include "G4Gamma.hh" 81 #include "G4Gamma.hh"
80 #include "G4ShellData.hh" 82 #include "G4ShellData.hh"
81 #include "G4DopplerProfile.hh" 83 #include "G4DopplerProfile.hh"
82 #include "G4Log.hh" 84 #include "G4Log.hh"
83 #include "G4Exp.hh" 85 #include "G4Exp.hh"
84 #include "G4ForceCondition.hh" 86 #include "G4ForceCondition.hh"
85 87
>> 88
86 class G4ParticleChangeForGamma; 89 class G4ParticleChangeForGamma;
87 class G4VAtomDeexcitation; 90 class G4VAtomDeexcitation;
88 class G4ShellData; 91 class G4ShellData;
89 class G4DopplerProfile; 92 class G4DopplerProfile;
90 93
91 class G4LowEPPolarizedComptonModel : public G4 94 class G4LowEPPolarizedComptonModel : public G4VEmModel
92 { 95 {
>> 96
93 public: 97 public:
94 explicit G4LowEPPolarizedComptonModel(const << 98
>> 99 G4LowEPPolarizedComptonModel(const G4ParticleDefinition* p = 0,
95 const G4String& nam = "LowEPComp 100 const G4String& nam = "LowEPComptonModel");
>> 101
96 virtual ~G4LowEPPolarizedComptonModel(); 102 virtual ~G4LowEPPolarizedComptonModel();
97 103
98 void Initialise(const G4ParticleDefinition*, << 104 virtual void Initialise(const G4ParticleDefinition*, const G4DataVector&);
99 <<
100 void InitialiseLocal(const G4ParticleDefinit <<
101 G4VEmModel* masterModel) override; <<
102 105
103 void InitialiseForElement(const G4ParticleDe << 106 virtual void InitialiseLocal(const G4ParticleDefinition*,
>> 107 G4VEmModel* masterModel);
104 108
105 G4double ComputeCrossSectionPerAtom( const G << 109 virtual void InitialiseForElement(const G4ParticleDefinition*, G4int Z);
106 G4double kinEnergy, <<
107 G4double Z, <<
108 G4double A=0, <<
109 G4double cut=0, <<
110 G4double emax=DBL_MAX ) overrid <<
111 <<
112 void SampleSecondaries(std::vector<G4Dynamic <<
113 const G4MaterialCutsCouple*, <<
114 const G4DynamicParticle*, <<
115 G4double tmin, <<
116 G4double maxEnergy) override; <<
117 110
118 G4LowEPPolarizedComptonModel & operator=(con << 111 virtual G4double ComputeCrossSectionPerAtom( const G4ParticleDefinition*,
119 G4LowEPPolarizedComptonModel(const G4LowEPP << 112 G4double kinEnergy,
>> 113 G4double Z,
>> 114 G4double A=0,
>> 115 G4double cut=0,
>> 116 G4double emax=DBL_MAX );
>> 117
>> 118 virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
>> 119 const G4MaterialCutsCouple*,
>> 120 const G4DynamicParticle*,
>> 121 G4double tmin,
>> 122 G4double maxEnergy);
120 123
121 private: 124 private:
>> 125
122 void ReadData(size_t Z, const char* path = 0 126 void ReadData(size_t Z, const char* path = 0);
123 127
124 G4double ComputeScatteringFunction(G4double 128 G4double ComputeScatteringFunction(G4double x, G4int Z);
>> 129
>> 130 G4LowEPPolarizedComptonModel & operator=(const G4LowEPPolarizedComptonModel &right);
>> 131 G4LowEPPolarizedComptonModel(const G4LowEPPolarizedComptonModel&);
>> 132
125 G4ThreeVector GetRandomPolarization(G4ThreeV 133 G4ThreeVector GetRandomPolarization(G4ThreeVector& direction0); // Random Polarization
126 G4ThreeVector GetPerpendicularPolarization(c 134 G4ThreeVector GetPerpendicularPolarization(const G4ThreeVector& direction0, const G4ThreeVector& polarization0) const;
>> 135
127 G4ThreeVector SetNewPolarization(G4double Lo 136 G4ThreeVector SetNewPolarization(G4double LowEPPCepsilon, G4double sinT2,
128 G4double ph 137 G4double phi, G4double cosTheta);
129 G4double SetPhi(G4double, G4double); 138 G4double SetPhi(G4double, G4double);
130 139
131 void SystemOfRefChange(G4ThreeVector& direct 140 void SystemOfRefChange(G4ThreeVector& direction0, G4ThreeVector& direction1,
132 G4ThreeVector& polari 141 G4ThreeVector& polarization0, G4ThreeVector& polarization1);
133 142
134 void SystemOfRefChangeElect(G4ThreeVector& p 143 void SystemOfRefChangeElect(G4ThreeVector& pdirection, G4ThreeVector& edirection,
135 G4ThreeVector& ppolar 144 G4ThreeVector& ppolarization);
136 145
>> 146
137 G4ThreeVector SetPerpendicularVector(G4Three 147 G4ThreeVector SetPerpendicularVector(G4ThreeVector& a);
138 << 148 G4bool isInitialised;
>> 149 G4int verboseLevel;
>> 150
>> 151 //G4double lowestEnergy;
>> 152
139 G4ParticleChangeForGamma* fParticleChange; 153 G4ParticleChangeForGamma* fParticleChange;
140 G4VAtomDeexcitation* fAtomDeexcitation; 154 G4VAtomDeexcitation* fAtomDeexcitation;
141 155
142 static G4ShellData* shellData; 156 static G4ShellData* shellData;
143 static G4DopplerProfile* profileData; 157 static G4DopplerProfile* profileData;
144 158
145 static const G4int maxZ = 99; << 159 static G4int maxZ;
146 static G4PhysicsFreeVector* data[100]; << 160 static G4LPhysicsFreeVector* data[100];
>> 161
147 static const G4double ScatFuncFitParam[101][ 162 static const G4double ScatFuncFitParam[101][9];
148 163
149 G4int verboseLevel; <<
150 G4bool isInitialised; <<
151 }; 164 };
152 165
153 //******************************************** 166 //****************************************************************************
154 167
155 #endif 168 #endif
156 169