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25 // 25 //
26 // 26 //
27 // G4MicroElecSurface.hh, 27 // G4MicroElecSurface.hh,
28 // 2020/05/20 P. Caro 28 // 2020/05/20 P. Caron, C. Inguimbert are with ONERA [b]
29 // Q. Gibaru is with CEA [a] 29 // Q. Gibaru is with CEA [a], ONERA [b] and CNES [c]
30 // D. Lambert is with CEA [a 30 // D. Lambert is with CEA [a]
31 // 31 //
32 // A part of this work has been funded by the 32 // A part of this work has been funded by the French space agency(CNES[c])
33 // [a] CEA, DAM, DIF - 91297 ARPAJON, France 33 // [a] CEA, DAM, DIF - 91297 ARPAJON, France
34 // [b] ONERA - DPHY, 2 avenue E.Belin, 31055 T 34 // [b] ONERA - DPHY, 2 avenue E.Belin, 31055 Toulouse, France
35 // [c] CNES, 18 av.E.Belin, 31401 Toulouse CED 35 // [c] CNES, 18 av.E.Belin, 31401 Toulouse CEDEX, France
36 // 36 //
37 // Based on the following publications 37 // Based on the following publications
38 // 38 //
39 // - Q.Gibaru, C.Inguimbert, P.Caron, M.Raine 39 // - Q.Gibaru, C.Inguimbert, P.Caron, M.Raine, D.Lambert, J.Puech,
40 // Geant4 physics processes for microdo 40 // Geant4 physics processes for microdosimetry and secondary electron emission simulation :
41 // Extension of MicroElec to very low e 41 // Extension of MicroElec to very low energies and new materials
42 // NIM B, 2020, in review. 42 // NIM B, 2020, in review.
43 // 43 //
44 // Based on: <<
45 // -the class G4OpBoundaryProcess.cc for th <<
46 // optical photons. <<
47 // <<
48 // 44 //
49 //....oooOO0OOooo........oooOO0OOooo........oo 45 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
50 46
51 #ifndef G4MicroElecSurface_h 47 #ifndef G4MicroElecSurface_h
52 #define G4MicroElecSurface_h 1 48 #define G4MicroElecSurface_h 1
53 49
54 ///////////// 50 /////////////
55 // Includes 51 // Includes
56 ///////////// 52 /////////////
57 53
58 #include "globals.hh" 54 #include "globals.hh"
59 #include "templates.hh" 55 #include "templates.hh"
60 #include "geomdefs.hh" 56 #include "geomdefs.hh"
61 #include "Randomize.hh" 57 #include "Randomize.hh"
62 #include "G4ProductionCutsTable.hh" 58 #include "G4ProductionCutsTable.hh"
63 #include "G4RandomTools.hh" 59 #include "G4RandomTools.hh"
64 #include "G4RandomDirection.hh" 60 #include "G4RandomDirection.hh"
65 #include "G4MicroElecMaterialStructure.hh" 61 #include "G4MicroElecMaterialStructure.hh"
66 #include "G4Step.hh" 62 #include "G4Step.hh"
67 #include "G4VDiscreteProcess.hh" 63 #include "G4VDiscreteProcess.hh"
68 #include "G4DynamicParticle.hh" 64 #include "G4DynamicParticle.hh"
69 #include "G4Material.hh" 65 #include "G4Material.hh"
70 #include "G4LogicalBorderSurface.hh" 66 #include "G4LogicalBorderSurface.hh"
71 #include "G4LogicalSkinSurface.hh" 67 #include "G4LogicalSkinSurface.hh"
72 #include "G4OpticalPhoton.hh" <<
73 #include "G4Electron.hh" <<
74 #include "G4TransportationManager.hh" 68 #include "G4TransportationManager.hh"
75 69
76 // Class Description: 70 // Class Description:
77 // Discrete Process -- reflection/refraction a 71 // Discrete Process -- reflection/refraction at interfaces for electrons.
78 // Class inherits publicly from G4VDiscretePro 72 // Class inherits publicly from G4VDiscreteProcess.
79 // Class Description - End: 73 // Class Description - End:
80 74
81 ///////////////////// 75 /////////////////////
82 // Class Definition 76 // Class Definition
83 ///////////////////// 77 /////////////////////
84 78
85 enum G4MicroElecSurfaceStatus { UndefinedSurf 79 enum G4MicroElecSurfaceStatus { UndefinedSurf,
86 NotAtBoundarySurf, 80 NotAtBoundarySurf,
87 SameMaterialSurf, 81 SameMaterialSurf,
88 StepTooSmallSurf }; 82 StepTooSmallSurf };
>> 83
89 84
90 class G4MicroElecSurface : public G4VDiscreteP 85 class G4MicroElecSurface : public G4VDiscreteProcess
91 { 86 {
92 public: << 87
93 explicit G4MicroElecSurface(const G4String& << 88 public:
94 G4ProcessType type = fElectromagne << 89
95 << 90 G4MicroElecSurface(const G4String& processName = "MicroElecSurface",
>> 91 G4ProcessType type = fElectromagnetic);
>> 92
96 ~G4MicroElecSurface() override; 93 ~G4MicroElecSurface() override;
97 94
98 G4bool IsApplicable(const G4ParticleDefiniti 95 G4bool IsApplicable(const G4ParticleDefinition& aParticleType) override;
99 // Returns true -> 'is applicable' only for 96 // Returns true -> 'is applicable' only for an electron.
100 97
101 void SetFlagFranchissement(); 98 void SetFlagFranchissement();
102 99
103 G4double GetMeanFreePath(const G4Track& , 100 G4double GetMeanFreePath(const G4Track& ,
104 G4double , 101 G4double ,
105 G4ForceCondition* condition) override 102 G4ForceCondition* condition) override;
106 // Returns infinity; i. e. the process does 103 // Returns infinity; i. e. the process does not limit the step,
107 // but sets the 'Forced' condition for the D 104 // but sets the 'Forced' condition for the DoIt to be invoked at
108 // every step. However, only at a boundary w 105 // every step. However, only at a boundary will any action be
109 // taken. 106 // taken.
110 107
111 G4VParticleChange* PostStepDoIt(const G4Trac 108 G4VParticleChange* PostStepDoIt(const G4Track& aTrack,
112 const G4Step& aStep) override; 109 const G4Step& aStep) override;
113 // This is the method implementing boundary 110 // This is the method implementing boundary processes.
114 111
115 void BuildPhysicsTable(const G4ParticleDefin 112 void BuildPhysicsTable(const G4ParticleDefinition&) override;
116 // Initialisation 113 // Initialisation
117 114
118 G4MicroElecSurfaceStatus GetStatus() const; 115 G4MicroElecSurfaceStatus GetStatus() const;
119 // Returns the current status. 116 // Returns the current status.
120 117
121 G4MicroElecSurface(const G4MicroElecSurface 118 G4MicroElecSurface(const G4MicroElecSurface &right) = delete;
122 G4MicroElecSurface& operator=(const G4MicroE 119 G4MicroElecSurface& operator=(const G4MicroElecSurface &right) = delete;
123 << 120
124 void Initialise(); << 121 private:
125 122
126 private: <<
127 // Returns the incident angle of electron <<
128 G4double GetIncidentAngle(); 123 G4double GetIncidentAngle();
>> 124
129 G4ThreeVector Reflexion(const G4StepPoint* P 125 G4ThreeVector Reflexion(const G4StepPoint* PostStepPoint);
130 126
131 // private elements 127 // private elements
132 typedef std::map<G4String, G4double, std::le 128 typedef std::map<G4String, G4double, std::less<G4String> > WorkFunctionTable;
133 WorkFunctionTable tableWF; //Table of all ma 129 WorkFunctionTable tableWF; //Table of all materials simulated
134 << 130 G4double theParticleMomentum;
135 G4double theParticleMomentum; <<
136 G4ThreeVector oldMomentum, previousMomentum; 131 G4ThreeVector oldMomentum, previousMomentum;
137 G4ThreeVector theGlobalNormal; 132 G4ThreeVector theGlobalNormal;
138 G4ThreeVector theFacetNormal; 133 G4ThreeVector theFacetNormal;
139 const G4Material* material1; << 134 G4Material* material1;
140 const G4Material* material2; << 135 G4Material* material2;
141 G4MicroElecSurfaceStatus theStatus; 136 G4MicroElecSurfaceStatus theStatus;
142 <<
143 G4double kCarTolerance; 137 G4double kCarTolerance;
144 G4double ekint, thetat, thetaft, energyThres 138 G4double ekint, thetat, thetaft, energyThreshold, crossingProbability;
145 G4bool flag_franchissement_surface, flag_ref 139 G4bool flag_franchissement_surface, flag_reflexion,flag_normal, teleportToDo, teleportDone, isInitialised;
146 140
147 }; 141 };
148 142
149 #endif 143 #endif
150 144