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25 // 25 //
>> 26 //
>> 27 // $Id: G4Cerenkov.hh,v 1.11 2009-07-29 23:45:02 gum Exp $
>> 28 // GEANT4 tag $Name: geant4-09-04-patch-02 $
>> 29 //
>> 30 //
26 ////////////////////////////////////////////// 31 ////////////////////////////////////////////////////////////////////////
27 // Cerenkov Radiation Class Definition << 32 // Cerenkov Radiation Class Definition
28 ////////////////////////////////////////////// 33 ////////////////////////////////////////////////////////////////////////
29 // 34 //
30 // File: G4Cerenkov.hh << 35 // File: G4Cerenkov.hh
31 // Description: Discrete Process - Generation 36 // Description: Discrete Process - Generation of Cerenkov Photons
32 // Version: 2.0 37 // Version: 2.0
33 // Created: 1996-02-21 38 // Created: 1996-02-21
34 // Author: Juliet Armstrong 39 // Author: Juliet Armstrong
35 // Updated: 2007-09-30 change inheritance 40 // Updated: 2007-09-30 change inheritance to G4VDiscreteProcess
36 // 2005-07-28 add G4ProcessType t 41 // 2005-07-28 add G4ProcessType to constructor
37 // 1999-10-29 add method and clas 42 // 1999-10-29 add method and class descriptors
38 // 1997-04-09 by Peter Gumplinger 43 // 1997-04-09 by Peter Gumplinger
39 // > G4MaterialPropertiesTable; n 44 // > G4MaterialPropertiesTable; new physics/tracking scheme
>> 45 // mail: gum@triumf.ca
40 // 46 //
41 ////////////////////////////////////////////// 47 ////////////////////////////////////////////////////////////////////////
42 48
43 #ifndef G4Cerenkov_h 49 #ifndef G4Cerenkov_h
44 #define G4Cerenkov_h 1 50 #define G4Cerenkov_h 1
45 51
>> 52 /////////////
>> 53 // Includes
>> 54 /////////////
>> 55
46 #include "globals.hh" 56 #include "globals.hh"
47 #include "G4DynamicParticle.hh" << 57 #include "templates.hh"
48 #include "G4ForceCondition.hh" << 58 #include "Randomize.hh"
49 #include "G4GPILSelection.hh" << 59 #include "G4ThreeVector.hh"
50 #include "G4MaterialPropertyVector.hh" << 60 #include "G4ParticleMomentum.hh"
>> 61 #include "G4Step.hh"
51 #include "G4VProcess.hh" 62 #include "G4VProcess.hh"
52 << 63 #include "G4OpticalPhoton.hh"
53 class G4Material; << 64 #include "G4DynamicParticle.hh"
54 class G4ParticleDefinition; << 65 #include "G4Material.hh"
55 class G4PhysicsTable; << 66 #include "G4PhysicsTable.hh"
56 class G4Step; << 67 #include "G4MaterialPropertiesTable.hh"
57 class G4Track; << 68 #include "G4PhysicsOrderedFreeVector.hh"
58 class G4VParticleChange; << 69
>> 70 // Class Description:
>> 71 // Discrete Process -- Generation of Cerenkov Photons.
>> 72 // Class inherits publicly from G4VDiscreteProcess.
>> 73 // Class Description - End:
>> 74
>> 75 /////////////////////
>> 76 // Class Definition
>> 77 /////////////////////
59 78
60 class G4Cerenkov : public G4VProcess 79 class G4Cerenkov : public G4VProcess
61 { 80 {
62 public: <<
63 explicit G4Cerenkov(const G4String& processN <<
64 G4ProcessType type <<
65 ~G4Cerenkov(); <<
66 <<
67 explicit G4Cerenkov(const G4Cerenkov& right) <<
68 <<
69 G4Cerenkov& operator=(const G4Cerenkov& righ <<
70 <<
71 G4bool IsApplicable(const G4ParticleDefiniti <<
72 // Returns true -> 'is applicable', for all <<
73 // except short-lived particles. <<
74 <<
75 void BuildPhysicsTable(const G4ParticleDefin <<
76 // Build table at a right time <<
77 <<
78 void PreparePhysicsTable(const G4ParticleDef <<
79 void Initialise(); <<
80 <<
81 G4double GetMeanFreePath(const G4Track& aTra <<
82 // Returns the discrete step limit and sets <<
83 // condition for the DoIt to be invoked at e <<
84 <<
85 G4double PostStepGetPhysicalInteractionLengt <<
86 <<
87 // Returns the discrete step limit and sets <<
88 // condition for the DoIt to be invoked at e <<
89 <<
90 G4VParticleChange* PostStepDoIt(const G4Trac <<
91 const G4Step <<
92 // This is the method implementing the Ceren <<
93 <<
94 // no operation in AtRestDoIt and AlongSt <<
95 virtual G4double AlongStepGetPhysicalInterac <<
96 const G4Track&, G4double, G4double, G4doub <<
97 { <<
98 return -1.0; <<
99 }; <<
100 <<
101 virtual G4double AtRestGetPhysicalInteractio <<
102 const G4Track&, G4ForceCondition*) overrid <<
103 { <<
104 return -1.0; <<
105 }; <<
106 <<
107 // no operation in AtRestDoIt and AlongSt <<
108 virtual G4VParticleChange* AtRestDoIt(const <<
109 { <<
110 return nullptr; <<
111 }; <<
112 <<
113 virtual G4VParticleChange* AlongStepDoIt(con <<
114 con <<
115 { <<
116 return nullptr; <<
117 }; <<
118 <<
119 void SetTrackSecondariesFirst(const G4bool s <<
120 // If set, the primary particle tracking is <<
121 // produced Cerenkov photons are tracked nex <<
122 // been tracked, the tracking of the primary <<
123 <<
124 G4bool GetTrackSecondariesFirst() const; <<
125 // Returns the boolean flag for tracking sec <<
126 <<
127 void SetMaxBetaChangePerStep(const G4double <<
128 // Set the maximum allowed change in beta = <<
129 <<
130 G4double GetMaxBetaChangePerStep() const; <<
131 // Returns the maximum allowed change in bet <<
132 <<
133 void SetMaxNumPhotonsPerStep(const G4int Num <<
134 // Set the maximum number of Cerenkov photon <<
135 // a tracking step. This is an average ONLY; <<
136 // around this average. If invoked, the maxi <<
137 // of the size set. If not called, the step <<
138 // photons generated. <<
139 <<
140 G4int GetMaxNumPhotonsPerStep() const; <<
141 // Returns the maximum number of Cerenkov ph <<
142 // generated during a tracking step. <<
143 <<
144 void SetStackPhotons(const G4bool); <<
145 // Call by the user to set the flag for stac <<
146 <<
147 G4bool GetStackPhotons() const; <<
148 // Return the boolean for whether or not the <<
149 <<
150 G4int GetNumPhotons() const; <<
151 // Returns the current number of scint. phot <<
152 <<
153 G4PhysicsTable* GetPhysicsTable() const; <<
154 // Returns the address of the physics table. <<
155 <<
156 void DumpPhysicsTable() const; <<
157 // Prints the physics table. <<
158 <<
159 G4double GetAverageNumberOfPhotons(const G4d <<
160 const G4M <<
161 G4Materia <<
162 <<
163 void DumpInfo() const override {ProcessDescr <<
164 void ProcessDescription(std::ostream& out) c <<
165 <<
166 void SetVerboseLevel(G4int); <<
167 // sets verbosity <<
168 <<
169 protected: <<
170 G4PhysicsTable* thePhysicsTable; <<
171 <<
172 private: <<
173 G4double fMaxBetaChange; <<
174 <<
175 G4int fMaxPhotons; <<
176 G4int fNumPhotons; <<
177 <<
178 G4bool fStackingFlag; <<
179 G4bool fTrackSecondariesFirst; <<
180 81
181 G4int secID = -1; // creator modelID << 82 private:
182 83
>> 84 //////////////
>> 85 // Operators
>> 86 //////////////
>> 87
>> 88 // G4Cerenkov& operator=(const G4Cerenkov &right);
>> 89
>> 90 public: // Without description
>> 91
>> 92 ////////////////////////////////
>> 93 // Constructors and Destructor
>> 94 ////////////////////////////////
>> 95
>> 96 G4Cerenkov(const G4String& processName = "Cerenkov",
>> 97 G4ProcessType type = fElectromagnetic);
>> 98
>> 99 // G4Cerenkov(const G4Cerenkov &right);
>> 100
>> 101 ~G4Cerenkov();
>> 102
>> 103 ////////////
>> 104 // Methods
>> 105 ////////////
>> 106
>> 107 public: // With description
>> 108
>> 109 G4bool IsApplicable(const G4ParticleDefinition& aParticleType);
>> 110 // Returns true -> 'is applicable', for all charged particles
>> 111 // except short-lived particles.
>> 112
>> 113 G4double GetMeanFreePath(const G4Track& aTrack,
>> 114 G4double ,
>> 115 G4ForceCondition* );
>> 116 // Returns the discrete step limit and sets the 'StronglyForced'
>> 117 // condition for the DoIt to be invoked at every step.
>> 118
>> 119 G4double PostStepGetPhysicalInteractionLength(const G4Track& aTrack,
>> 120 G4double ,
>> 121 G4ForceCondition* );
>> 122 // Returns the discrete step limit and sets the 'StronglyForced'
>> 123 // condition for the DoIt to be invoked at every step.
>> 124
>> 125 G4VParticleChange* PostStepDoIt(const G4Track& aTrack,
>> 126 const G4Step& aStep);
>> 127 // This is the method implementing the Cerenkov process.
>> 128
>> 129 // no operation in AtRestDoIt and AlongStepDoIt
>> 130 virtual G4double AlongStepGetPhysicalInteractionLength(
>> 131 const G4Track&,
>> 132 G4double ,
>> 133 G4double ,
>> 134 G4double& ,
>> 135 G4GPILSelection*
>> 136 ) { return -1.0; };
>> 137
>> 138 virtual G4double AtRestGetPhysicalInteractionLength(
>> 139 const G4Track& ,
>> 140 G4ForceCondition*
>> 141 ) { return -1.0; };
>> 142
>> 143 // no operation in AtRestDoIt and AlongStepDoIt
>> 144 virtual G4VParticleChange* AtRestDoIt(
>> 145 const G4Track& ,
>> 146 const G4Step&
>> 147 ) {return 0;};
>> 148
>> 149 virtual G4VParticleChange* AlongStepDoIt(
>> 150 const G4Track& ,
>> 151 const G4Step&
>> 152 ) {return 0;};
>> 153
>> 154 void SetTrackSecondariesFirst(const G4bool state);
>> 155 // If set, the primary particle tracking is interrupted and any
>> 156 // produced Cerenkov photons are tracked next. When all have
>> 157 // been tracked, the tracking of the primary resumes.
>> 158
>> 159 void SetMaxBetaChangePerStep(const G4double d);
>> 160 // Set the maximum allowed change in beta = v/c in % (perCent)
>> 161 // per step.
>> 162
>> 163 void SetMaxNumPhotonsPerStep(const G4int NumPhotons);
>> 164 // Set the maximum number of Cerenkov photons allowed to be
>> 165 // generated during a tracking step. This is an average ONLY;
>> 166 // the actual number will vary around this average. If invoked,
>> 167 // the maximum photon stack will roughly be of the size set.
>> 168 // If not called, the step is not limited by the number of
>> 169 // photons generated.
>> 170
>> 171 G4PhysicsTable* GetPhysicsTable() const;
>> 172 // Returns the address of the physics table.
>> 173
>> 174 void DumpPhysicsTable() const;
>> 175 // Prints the physics table.
>> 176
>> 177 private:
>> 178
>> 179 void BuildThePhysicsTable();
>> 180
>> 181 /////////////////////
>> 182 // Helper Functions
>> 183 /////////////////////
>> 184
>> 185 G4double GetAverageNumberOfPhotons(const G4double charge,
>> 186 const G4double beta,
>> 187 const G4Material *aMaterial,
>> 188 const G4MaterialPropertyVector* Rindex) const;
>> 189
>> 190 ///////////////////////
>> 191 // Class Data Members
>> 192 ///////////////////////
>> 193
>> 194 protected:
>> 195
>> 196 G4PhysicsTable* thePhysicsTable;
>> 197 // A Physics Table can be either a cross-sections table or
>> 198 // an energy table (or can be used for other specific
>> 199 // purposes).
>> 200
>> 201 private:
>> 202
>> 203 G4bool fTrackSecondariesFirst;
>> 204 G4double fMaxBetaChange;
>> 205 G4int fMaxPhotons;
183 }; 206 };
184 207
185 inline G4bool G4Cerenkov::GetTrackSecondariesF << 208 ////////////////////
>> 209 // Inline methods
>> 210 ////////////////////
>> 211
>> 212 inline
>> 213 G4bool G4Cerenkov::IsApplicable(const G4ParticleDefinition& aParticleType)
186 { 214 {
187 return fTrackSecondariesFirst; << 215 if (aParticleType.GetParticleName() == "chargedgeantino") return false;
>> 216 if (aParticleType.IsShortLived()) return false;
>> 217
>> 218 return (aParticleType.GetPDGCharge() != 0);
>> 219 }
>> 220
>> 221 inline
>> 222 void G4Cerenkov::SetTrackSecondariesFirst(const G4bool state)
>> 223 {
>> 224 fTrackSecondariesFirst = state;
188 } 225 }
189 226
190 inline G4double G4Cerenkov::GetMaxBetaChangePe << 227 inline
>> 228 void G4Cerenkov::SetMaxBetaChangePerStep(const G4double value)
191 { 229 {
192 return fMaxBetaChange; << 230 fMaxBetaChange = value*perCent;
193 } 231 }
194 232
195 inline G4int G4Cerenkov::GetMaxNumPhotonsPerSt << 233 inline
>> 234 void G4Cerenkov::SetMaxNumPhotonsPerStep(const G4int NumPhotons)
>> 235 {
>> 236 fMaxPhotons = NumPhotons;
>> 237 }
196 238
197 inline G4bool G4Cerenkov::GetStackPhotons() co << 239 inline
>> 240 void G4Cerenkov::DumpPhysicsTable() const
>> 241 {
>> 242 G4int PhysicsTableSize = thePhysicsTable->entries();
>> 243 G4PhysicsOrderedFreeVector *v;
198 244
199 inline G4int G4Cerenkov::GetNumPhotons() const << 245 for (G4int i = 0 ; i < PhysicsTableSize ; i++ )
>> 246 {
>> 247 v = (G4PhysicsOrderedFreeVector*)(*thePhysicsTable)[i];
>> 248 v->DumpValues();
>> 249 }
>> 250 }
200 251
201 inline G4PhysicsTable* G4Cerenkov::GetPhysicsT << 252 inline
>> 253 G4PhysicsTable* G4Cerenkov::GetPhysicsTable() const
202 { 254 {
203 return thePhysicsTable; 255 return thePhysicsTable;
204 } 256 }
205 257
206 #endif /* G4Cerenkov_h */ 258 #endif /* G4Cerenkov_h */
207 259