| 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 *
6 // * the Geant4 Collaboration. It is provided 6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License 7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/ 8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. 9 // * include a list of copyright holders. *
10 // * 10 // * *
11 // * Neither the authors of this software syst 11 // * Neither the authors of this software system, nor their employing *
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, *
14 // * regarding this software system or assum 14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file 15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. *
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. *
20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. *
24 // ******************************************* 24 // ********************************************************************
25 // 25 //
>> 26 //
>> 27 // $Id$
>> 28 //
>> 29 //
26 ////////////////////////////////////////////// 30 ////////////////////////////////////////////////////////////////////////
27 // Cerenkov Radiation Class Definition << 31 // Cerenkov Radiation Class Definition
28 ////////////////////////////////////////////// 32 ////////////////////////////////////////////////////////////////////////
29 // 33 //
30 // File: G4Cerenkov.hh << 34 // File: G4Cerenkov.hh
31 // Description: Discrete Process - Generation 35 // Description: Discrete Process - Generation of Cerenkov Photons
32 // Version: 2.0 36 // Version: 2.0
33 // Created: 1996-02-21 37 // Created: 1996-02-21
34 // Author: Juliet Armstrong 38 // Author: Juliet Armstrong
35 // Updated: 2007-09-30 change inheritance 39 // Updated: 2007-09-30 change inheritance to G4VDiscreteProcess
36 // 2005-07-28 add G4ProcessType t 40 // 2005-07-28 add G4ProcessType to constructor
37 // 1999-10-29 add method and clas 41 // 1999-10-29 add method and class descriptors
38 // 1997-04-09 by Peter Gumplinger 42 // 1997-04-09 by Peter Gumplinger
39 // > G4MaterialPropertiesTable; n 43 // > G4MaterialPropertiesTable; new physics/tracking scheme
>> 44 // mail: gum@triumf.ca
40 // 45 //
41 ////////////////////////////////////////////// 46 ////////////////////////////////////////////////////////////////////////
42 47
43 #ifndef G4Cerenkov_h 48 #ifndef G4Cerenkov_h
44 #define G4Cerenkov_h 1 49 #define G4Cerenkov_h 1
45 50
>> 51 /////////////
>> 52 // Includes
>> 53 /////////////
>> 54
>> 55 #include <CLHEP/Units/SystemOfUnits.h>
>> 56
46 #include "globals.hh" 57 #include "globals.hh"
>> 58 #include "templates.hh"
>> 59 #include "Randomize.hh"
>> 60 #include "G4ThreeVector.hh"
>> 61 #include "G4ParticleMomentum.hh"
>> 62 #include "G4Step.hh"
>> 63 #include "G4VProcess.hh"
>> 64 #include "G4OpticalPhoton.hh"
47 #include "G4DynamicParticle.hh" 65 #include "G4DynamicParticle.hh"
48 #include "G4ForceCondition.hh" << 66 #include "G4Material.hh"
49 #include "G4GPILSelection.hh" << 67 #include "G4PhysicsTable.hh"
50 #include "G4MaterialPropertyVector.hh" 68 #include "G4MaterialPropertyVector.hh"
51 #include "G4VProcess.hh" << 69 #include "G4MaterialPropertiesTable.hh"
>> 70 #include "G4PhysicsOrderedFreeVector.hh"
52 71
53 class G4Material; << 72 // Class Description:
54 class G4ParticleDefinition; << 73 // Discrete Process -- Generation of Cerenkov Photons.
55 class G4PhysicsTable; << 74 // Class inherits publicly from G4VDiscreteProcess.
56 class G4Step; << 75 // Class Description - End:
57 class G4Track; << 76
58 class G4VParticleChange; << 77 /////////////////////
>> 78 // Class Definition
>> 79 /////////////////////
59 80
60 class G4Cerenkov : public G4VProcess 81 class G4Cerenkov : public G4VProcess
61 { 82 {
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 83
181 G4int secID = -1; // creator modelID << 84 public:
182 85
>> 86 ////////////////////////////////
>> 87 // Constructors and Destructor
>> 88 ////////////////////////////////
>> 89
>> 90 G4Cerenkov(const G4String& processName = "Cerenkov",
>> 91 G4ProcessType type = fElectromagnetic);
>> 92 ~G4Cerenkov();
>> 93
>> 94 G4Cerenkov(const G4Cerenkov &right);
>> 95
>> 96 private:
>> 97
>> 98 //////////////
>> 99 // Operators
>> 100 //////////////
>> 101
>> 102 G4Cerenkov& operator=(const G4Cerenkov &right);
>> 103
>> 104 public:
>> 105
>> 106 ////////////
>> 107 // Methods
>> 108 ////////////
>> 109
>> 110 G4bool IsApplicable(const G4ParticleDefinition& aParticleType);
>> 111 // Returns true -> 'is applicable', for all charged particles
>> 112 // except short-lived particles.
>> 113
>> 114 G4double GetMeanFreePath(const G4Track& aTrack,
>> 115 G4double ,
>> 116 G4ForceCondition* );
>> 117 // Returns the discrete step limit and sets the 'StronglyForced'
>> 118 // condition for the DoIt to be invoked at every step.
>> 119
>> 120 G4double PostStepGetPhysicalInteractionLength(const G4Track& aTrack,
>> 121 G4double ,
>> 122 G4ForceCondition* );
>> 123 // Returns the discrete step limit and sets the 'StronglyForced'
>> 124 // condition for the DoIt to be invoked at every step.
>> 125
>> 126 G4VParticleChange* PostStepDoIt(const G4Track& aTrack,
>> 127 const G4Step& aStep);
>> 128 // This is the method implementing the Cerenkov process.
>> 129
>> 130 // no operation in AtRestDoIt and AlongStepDoIt
>> 131 virtual G4double AlongStepGetPhysicalInteractionLength(
>> 132 const G4Track&,
>> 133 G4double ,
>> 134 G4double ,
>> 135 G4double& ,
>> 136 G4GPILSelection*
>> 137 ) { return -1.0; };
>> 138
>> 139 virtual G4double AtRestGetPhysicalInteractionLength(
>> 140 const G4Track& ,
>> 141 G4ForceCondition*
>> 142 ) { return -1.0; };
>> 143
>> 144 // no operation in AtRestDoIt and AlongStepDoIt
>> 145 virtual G4VParticleChange* AtRestDoIt(
>> 146 const G4Track& ,
>> 147 const G4Step&
>> 148 ) {return 0;};
>> 149
>> 150 virtual G4VParticleChange* AlongStepDoIt(
>> 151 const G4Track& ,
>> 152 const G4Step&
>> 153 ) {return 0;};
>> 154
>> 155 void SetTrackSecondariesFirst(const G4bool state);
>> 156 // If set, the primary particle tracking is interrupted and any
>> 157 // produced Cerenkov photons are tracked next. When all have
>> 158 // been tracked, the tracking of the primary resumes.
>> 159
>> 160 void SetMaxBetaChangePerStep(const G4double d);
>> 161 // Set the maximum allowed change in beta = v/c in % (perCent)
>> 162 // per step.
>> 163
>> 164 void SetMaxNumPhotonsPerStep(const G4int NumPhotons);
>> 165 // Set the maximum number of Cerenkov photons allowed to be
>> 166 // generated during a tracking step. This is an average ONLY;
>> 167 // the actual number will vary around this average. If invoked,
>> 168 // the maximum photon stack will roughly be of the size set.
>> 169 // If not called, the step is not limited by the number of
>> 170 // photons generated.
>> 171
>> 172 G4PhysicsTable* GetPhysicsTable() const;
>> 173 // Returns the address of the physics table.
>> 174
>> 175 void DumpPhysicsTable() const;
>> 176 // Prints the physics table.
>> 177
>> 178 private:
>> 179
>> 180 void BuildThePhysicsTable();
>> 181
>> 182 /////////////////////
>> 183 // Helper Functions
>> 184 /////////////////////
>> 185
>> 186 G4double GetAverageNumberOfPhotons(const G4double charge,
>> 187 const G4double beta,
>> 188 const G4Material *aMaterial,
>> 189 G4MaterialPropertyVector* Rindex) const;
>> 190
>> 191 ///////////////////////
>> 192 // Class Data Members
>> 193 ///////////////////////
>> 194
>> 195 protected:
>> 196
>> 197 G4PhysicsTable* thePhysicsTable;
>> 198 // A Physics Table can be either a cross-sections table or
>> 199 // an energy table (or can be used for other specific
>> 200 // purposes).
>> 201
>> 202 private:
>> 203
>> 204 G4bool fTrackSecondariesFirst;
>> 205 G4double fMaxBetaChange;
>> 206 G4int fMaxPhotons;
183 }; 207 };
184 208
185 inline G4bool G4Cerenkov::GetTrackSecondariesF << 209 ////////////////////
>> 210 // Inline methods
>> 211 ////////////////////
>> 212
>> 213 inline
>> 214 G4bool G4Cerenkov::IsApplicable(const G4ParticleDefinition& aParticleType)
186 { 215 {
187 return fTrackSecondariesFirst; << 216 if (aParticleType.GetParticleName() == "chargedgeantino") return false;
>> 217 if (aParticleType.IsShortLived()) return false;
>> 218
>> 219 return (aParticleType.GetPDGCharge() != 0);
>> 220 }
>> 221
>> 222 inline
>> 223 void G4Cerenkov::SetTrackSecondariesFirst(const G4bool state)
>> 224 {
>> 225 fTrackSecondariesFirst = state;
188 } 226 }
189 227
190 inline G4double G4Cerenkov::GetMaxBetaChangePe << 228 inline
>> 229 void G4Cerenkov::SetMaxBetaChangePerStep(const G4double value)
191 { 230 {
192 return fMaxBetaChange; << 231 fMaxBetaChange = value*CLHEP::perCent;
193 } 232 }
194 233
195 inline G4int G4Cerenkov::GetMaxNumPhotonsPerSt << 234 inline
>> 235 void G4Cerenkov::SetMaxNumPhotonsPerStep(const G4int NumPhotons)
>> 236 {
>> 237 fMaxPhotons = NumPhotons;
>> 238 }
196 239
197 inline G4bool G4Cerenkov::GetStackPhotons() co << 240 inline
>> 241 void G4Cerenkov::DumpPhysicsTable() const
>> 242 {
>> 243 G4int PhysicsTableSize = thePhysicsTable->entries();
>> 244 G4PhysicsOrderedFreeVector *v;
198 245
199 inline G4int G4Cerenkov::GetNumPhotons() const << 246 for (G4int i = 0 ; i < PhysicsTableSize ; i++ )
>> 247 {
>> 248 v = (G4PhysicsOrderedFreeVector*)(*thePhysicsTable)[i];
>> 249 v->DumpValues();
>> 250 }
>> 251 }
200 252
201 inline G4PhysicsTable* G4Cerenkov::GetPhysicsT << 253 inline
>> 254 G4PhysicsTable* G4Cerenkov::GetPhysicsTable() const
202 { 255 {
203 return thePhysicsTable; 256 return thePhysicsTable;
204 } 257 }
205 258
206 #endif /* G4Cerenkov_h */ 259 #endif /* G4Cerenkov_h */
207 260