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25 // 25 //
>> 26 //
>> 27 //
>> 28 //
26 ////////////////////////////////////////////// 29 ////////////////////////////////////////////////////////////////////////
27 // Cerenkov Radiation Class Definition 30 // Cerenkov Radiation Class Definition
28 ////////////////////////////////////////////// 31 ////////////////////////////////////////////////////////////////////////
29 // 32 //
30 // File: G4Cerenkov.hh 33 // File: G4Cerenkov.hh
31 // Description: Discrete Process - Generation 34 // Description: Discrete Process - Generation of Cerenkov Photons
32 // Version: 2.0 35 // Version: 2.0
33 // Created: 1996-02-21 36 // Created: 1996-02-21
34 // Author: Juliet Armstrong 37 // Author: Juliet Armstrong
35 // Updated: 2007-09-30 change inheritance 38 // Updated: 2007-09-30 change inheritance to G4VDiscreteProcess
36 // 2005-07-28 add G4ProcessType t 39 // 2005-07-28 add G4ProcessType to constructor
37 // 1999-10-29 add method and clas 40 // 1999-10-29 add method and class descriptors
38 // 1997-04-09 by Peter Gumplinger 41 // 1997-04-09 by Peter Gumplinger
39 // > G4MaterialPropertiesTable; n 42 // > G4MaterialPropertiesTable; new physics/tracking scheme
40 // 43 //
41 ////////////////////////////////////////////// 44 ////////////////////////////////////////////////////////////////////////
42 45
43 #ifndef G4Cerenkov_h 46 #ifndef G4Cerenkov_h
44 #define G4Cerenkov_h 1 47 #define G4Cerenkov_h 1
45 48
>> 49 #include <CLHEP/Units/SystemOfUnits.h>
>> 50
46 #include "globals.hh" 51 #include "globals.hh"
>> 52 #include "templates.hh"
>> 53 #include "Randomize.hh"
>> 54 #include "G4ThreeVector.hh"
>> 55 #include "G4ParticleMomentum.hh"
>> 56 #include "G4Step.hh"
>> 57 #include "G4VProcess.hh"
>> 58 #include "G4OpticalPhoton.hh"
47 #include "G4DynamicParticle.hh" 59 #include "G4DynamicParticle.hh"
48 #include "G4ForceCondition.hh" << 60 #include "G4Material.hh"
49 #include "G4GPILSelection.hh" << 61 #include "G4PhysicsTable.hh"
50 #include "G4MaterialPropertyVector.hh" 62 #include "G4MaterialPropertyVector.hh"
51 #include "G4VProcess.hh" << 63 #include "G4MaterialPropertiesTable.hh"
52 << 64 #include "G4PhysicsOrderedFreeVector.hh"
53 class G4Material; <<
54 class G4ParticleDefinition; <<
55 class G4PhysicsTable; <<
56 class G4Step; <<
57 class G4Track; <<
58 class G4VParticleChange; <<
59 65
60 class G4Cerenkov : public G4VProcess 66 class G4Cerenkov : public G4VProcess
61 { 67 {
62 public: 68 public:
63 explicit G4Cerenkov(const G4String& processN 69 explicit G4Cerenkov(const G4String& processName = "Cerenkov",
64 G4ProcessType type 70 G4ProcessType type = fElectromagnetic);
65 ~G4Cerenkov(); 71 ~G4Cerenkov();
66 72
67 explicit G4Cerenkov(const G4Cerenkov& right) 73 explicit G4Cerenkov(const G4Cerenkov& right);
68 74
>> 75 private:
69 G4Cerenkov& operator=(const G4Cerenkov& righ 76 G4Cerenkov& operator=(const G4Cerenkov& right) = delete;
70 77
>> 78 public:
71 G4bool IsApplicable(const G4ParticleDefiniti 79 G4bool IsApplicable(const G4ParticleDefinition& aParticleType) override;
72 // Returns true -> 'is applicable', for all 80 // Returns true -> 'is applicable', for all charged particles
73 // except short-lived particles. 81 // except short-lived particles.
74 82
75 void BuildPhysicsTable(const G4ParticleDefin 83 void BuildPhysicsTable(const G4ParticleDefinition& aParticleType) override;
76 // Build table at a right time 84 // Build table at a right time
77 85
78 void PreparePhysicsTable(const G4ParticleDef 86 void PreparePhysicsTable(const G4ParticleDefinition& part) override;
79 void Initialise(); 87 void Initialise();
80 88
81 G4double GetMeanFreePath(const G4Track& aTra 89 G4double GetMeanFreePath(const G4Track& aTrack, G4double, G4ForceCondition*);
82 // Returns the discrete step limit and sets 90 // Returns the discrete step limit and sets the 'StronglyForced'
83 // condition for the DoIt to be invoked at e 91 // condition for the DoIt to be invoked at every step.
84 92
85 G4double PostStepGetPhysicalInteractionLengt 93 G4double PostStepGetPhysicalInteractionLength(const G4Track& aTrack, G4double,
86 94 G4ForceCondition*) override;
87 // Returns the discrete step limit and sets 95 // Returns the discrete step limit and sets the 'StronglyForced'
88 // condition for the DoIt to be invoked at e 96 // condition for the DoIt to be invoked at every step.
89 97
90 G4VParticleChange* PostStepDoIt(const G4Trac 98 G4VParticleChange* PostStepDoIt(const G4Track& aTrack,
91 const G4Step 99 const G4Step& aStep) override;
92 // This is the method implementing the Ceren 100 // This is the method implementing the Cerenkov process.
93 101
94 // no operation in AtRestDoIt and AlongSt 102 // no operation in AtRestDoIt and AlongStepDoIt
95 virtual G4double AlongStepGetPhysicalInterac 103 virtual G4double AlongStepGetPhysicalInteractionLength(
96 const G4Track&, G4double, G4double, G4doub 104 const G4Track&, G4double, G4double, G4double&, G4GPILSelection*) override
97 { 105 {
98 return -1.0; 106 return -1.0;
99 }; 107 };
100 108
101 virtual G4double AtRestGetPhysicalInteractio 109 virtual G4double AtRestGetPhysicalInteractionLength(
102 const G4Track&, G4ForceCondition*) overrid 110 const G4Track&, G4ForceCondition*) override
103 { 111 {
104 return -1.0; 112 return -1.0;
105 }; 113 };
106 114
107 // no operation in AtRestDoIt and AlongSt 115 // no operation in AtRestDoIt and AlongStepDoIt
108 virtual G4VParticleChange* AtRestDoIt(const 116 virtual G4VParticleChange* AtRestDoIt(const G4Track&, const G4Step&) override
109 { 117 {
110 return nullptr; 118 return nullptr;
111 }; 119 };
112 120
113 virtual G4VParticleChange* AlongStepDoIt(con 121 virtual G4VParticleChange* AlongStepDoIt(const G4Track&,
114 con 122 const G4Step&) override
115 { 123 {
116 return nullptr; 124 return nullptr;
117 }; 125 };
118 126
119 void SetTrackSecondariesFirst(const G4bool s 127 void SetTrackSecondariesFirst(const G4bool state);
120 // If set, the primary particle tracking is 128 // If set, the primary particle tracking is interrupted and any
121 // produced Cerenkov photons are tracked nex 129 // produced Cerenkov photons are tracked next. When all have
122 // been tracked, the tracking of the primary 130 // been tracked, the tracking of the primary resumes.
123 131
124 G4bool GetTrackSecondariesFirst() const; 132 G4bool GetTrackSecondariesFirst() const;
125 // Returns the boolean flag for tracking sec 133 // Returns the boolean flag for tracking secondaries first.
126 134
127 void SetMaxBetaChangePerStep(const G4double 135 void SetMaxBetaChangePerStep(const G4double d);
128 // Set the maximum allowed change in beta = 136 // Set the maximum allowed change in beta = v/c in % (perCent) per step.
129 137
130 G4double GetMaxBetaChangePerStep() const; 138 G4double GetMaxBetaChangePerStep() const;
131 // Returns the maximum allowed change in bet 139 // Returns the maximum allowed change in beta = v/c in % (perCent)
132 140
133 void SetMaxNumPhotonsPerStep(const G4int Num 141 void SetMaxNumPhotonsPerStep(const G4int NumPhotons);
134 // Set the maximum number of Cerenkov photon 142 // Set the maximum number of Cerenkov photons allowed to be generated during
135 // a tracking step. This is an average ONLY; 143 // a tracking step. This is an average ONLY; the actual number will vary
136 // around this average. If invoked, the maxi 144 // around this average. If invoked, the maximum photon stack will roughly be
137 // of the size set. If not called, the step 145 // of the size set. If not called, the step is not limited by the number of
138 // photons generated. 146 // photons generated.
139 147
140 G4int GetMaxNumPhotonsPerStep() const; 148 G4int GetMaxNumPhotonsPerStep() const;
141 // Returns the maximum number of Cerenkov ph 149 // Returns the maximum number of Cerenkov photons allowed to be
142 // generated during a tracking step. 150 // generated during a tracking step.
143 151
144 void SetStackPhotons(const G4bool); 152 void SetStackPhotons(const G4bool);
145 // Call by the user to set the flag for stac 153 // Call by the user to set the flag for stacking the scint. photons
146 154
147 G4bool GetStackPhotons() const; 155 G4bool GetStackPhotons() const;
148 // Return the boolean for whether or not the 156 // Return the boolean for whether or not the scint. photons are stacked
149 157
150 G4int GetNumPhotons() const; 158 G4int GetNumPhotons() const;
151 // Returns the current number of scint. phot 159 // Returns the current number of scint. photons (after PostStepDoIt)
152 160
153 G4PhysicsTable* GetPhysicsTable() const; 161 G4PhysicsTable* GetPhysicsTable() const;
154 // Returns the address of the physics table. 162 // Returns the address of the physics table.
155 163
156 void DumpPhysicsTable() const; 164 void DumpPhysicsTable() const;
157 // Prints the physics table. 165 // Prints the physics table.
158 166
159 G4double GetAverageNumberOfPhotons(const G4d 167 G4double GetAverageNumberOfPhotons(const G4double charge, const G4double beta,
160 const G4M 168 const G4Material* aMaterial,
161 G4Materia 169 G4MaterialPropertyVector* Rindex) const;
162 170
163 void DumpInfo() const override {ProcessDescr <<
164 void ProcessDescription(std::ostream& out) c <<
165 <<
166 void SetVerboseLevel(G4int); <<
167 // sets verbosity <<
168 <<
169 protected: 171 protected:
170 G4PhysicsTable* thePhysicsTable; 172 G4PhysicsTable* thePhysicsTable;
171 173
172 private: 174 private:
>> 175 G4bool fTrackSecondariesFirst;
173 G4double fMaxBetaChange; 176 G4double fMaxBetaChange;
174 <<
175 G4int fMaxPhotons; 177 G4int fMaxPhotons;
176 G4int fNumPhotons; <<
177 178
178 G4bool fStackingFlag; 179 G4bool fStackingFlag;
179 G4bool fTrackSecondariesFirst; <<
180 <<
181 G4int secID = -1; // creator modelID <<
182 180
>> 181 G4int fNumPhotons;
183 }; 182 };
184 183
185 inline G4bool G4Cerenkov::GetTrackSecondariesF 184 inline G4bool G4Cerenkov::GetTrackSecondariesFirst() const
186 { 185 {
187 return fTrackSecondariesFirst; 186 return fTrackSecondariesFirst;
188 } 187 }
189 188
190 inline G4double G4Cerenkov::GetMaxBetaChangePe 189 inline G4double G4Cerenkov::GetMaxBetaChangePerStep() const
191 { 190 {
192 return fMaxBetaChange; 191 return fMaxBetaChange;
193 } 192 }
194 193
195 inline G4int G4Cerenkov::GetMaxNumPhotonsPerSt 194 inline G4int G4Cerenkov::GetMaxNumPhotonsPerStep() const { return fMaxPhotons; }
>> 195
>> 196 inline void G4Cerenkov::SetStackPhotons(const G4bool stackingFlag)
>> 197 {
>> 198 fStackingFlag = stackingFlag;
>> 199 }
196 200
197 inline G4bool G4Cerenkov::GetStackPhotons() co 201 inline G4bool G4Cerenkov::GetStackPhotons() const { return fStackingFlag; }
198 202
199 inline G4int G4Cerenkov::GetNumPhotons() const 203 inline G4int G4Cerenkov::GetNumPhotons() const { return fNumPhotons; }
200 204
201 inline G4PhysicsTable* G4Cerenkov::GetPhysicsT 205 inline G4PhysicsTable* G4Cerenkov::GetPhysicsTable() const
202 { 206 {
203 return thePhysicsTable; 207 return thePhysicsTable;
204 } 208 }
205 209
206 #endif /* G4Cerenkov_h */ 210 #endif /* G4Cerenkov_h */
207 211