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25 // 25 //
26 // 26 //
27 //-------------------------------------------- 27 //---------------------------------------------------------------------------
28 // 28 //
29 // ClassName: G4EnergyLossForExtrapolator 29 // ClassName: G4EnergyLossForExtrapolator
30 // 30 //
31 // Description: This class provide calculatio 31 // Description: This class provide calculation of energy loss, fluctuation,
32 // and msc angle 32 // and msc angle
33 // 33 //
34 // Author: 09.12.04 V.Ivanchenko 34 // Author: 09.12.04 V.Ivanchenko
35 // 35 //
36 // Modification: 36 // Modification:
37 // 08-04-05 Rename Propogator -> Extrapolator 37 // 08-04-05 Rename Propogator -> Extrapolator
38 // 16-03-06 Add muon tables 38 // 16-03-06 Add muon tables
39 // 21-03-06 Add verbosity defined in the const 39 // 21-03-06 Add verbosity defined in the constructor and Initialisation
40 // start only when first public metho 40 // start only when first public method is called (V.Ivanchenko)
41 // 03-05-06 Remove unused pointer G4Material* 41 // 03-05-06 Remove unused pointer G4Material* from number of methods (VI)
42 // 28-07-07 Add maxEnergyTransfer for computat 42 // 28-07-07 Add maxEnergyTransfer for computation of energy loss (VI)
43 // 43 //
44 //-------------------------------------------- 44 //----------------------------------------------------------------------------
45 // 45 //
46 46
47 //....oooOO0OOooo........oooOO0OOooo........oo 47 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
48 48
49 #ifndef G4EnergyLossForExtrapolator_h 49 #ifndef G4EnergyLossForExtrapolator_h
50 #define G4EnergyLossForExtrapolator_h 1 50 #define G4EnergyLossForExtrapolator_h 1
51 51
52 #include <vector> 52 #include <vector>
53 #include <CLHEP/Units/PhysicalConstants.h> 53 #include <CLHEP/Units/PhysicalConstants.h>
54 54
55 #include "globals.hh" 55 #include "globals.hh"
56 #include "G4PhysicsTable.hh" 56 #include "G4PhysicsTable.hh"
57 #include "G4TablesForExtrapolator.hh" 57 #include "G4TablesForExtrapolator.hh"
58 #include "G4Log.hh" 58 #include "G4Log.hh"
59 #include "G4Threading.hh" 59 #include "G4Threading.hh"
60 60
61 class G4ParticleDefinition; 61 class G4ParticleDefinition;
62 class G4Material; 62 class G4Material;
63 class G4MaterialCutsCouple; 63 class G4MaterialCutsCouple;
64 64
65 //....oooOO0OOooo........oooOO0OOooo........oo 65 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
66 66
67 class G4EnergyLossForExtrapolator 67 class G4EnergyLossForExtrapolator
68 { 68 {
69 public: 69 public:
70 70
71 explicit G4EnergyLossForExtrapolator(G4int v 71 explicit G4EnergyLossForExtrapolator(G4int verb = 1);
72 72
73 ~G4EnergyLossForExtrapolator(); 73 ~G4EnergyLossForExtrapolator();
74 74
75 void Initialisation(); 75 void Initialisation();
76 76
77 G4double ComputeDEDX(G4double kinEnergy, con 77 G4double ComputeDEDX(G4double kinEnergy, const G4ParticleDefinition*,
78 const G4Material*); 78 const G4Material*);
79 79
80 G4double ComputeRange(G4double kinEnergy, co 80 G4double ComputeRange(G4double kinEnergy, const G4ParticleDefinition*,
81 const G4Material*); 81 const G4Material*);
82 82
83 G4double ComputeEnergy(G4double range, const 83 G4double ComputeEnergy(G4double range, const G4ParticleDefinition*,
84 const G4Material*); 84 const G4Material*);
85 85
86 G4double EnergyAfterStep(G4double kinEnergy, 86 G4double EnergyAfterStep(G4double kinEnergy, G4double step,
87 const G4Material*, const G4ParticleDe 87 const G4Material*, const G4ParticleDefinition*);
88 88
89 G4double EnergyBeforeStep(G4double kinEnergy 89 G4double EnergyBeforeStep(G4double kinEnergy, G4double step,
90 const G4Material*, const G4Par 90 const G4Material*, const G4ParticleDefinition*);
91 91
92 G4double TrueStepLength(G4double kinEnergy, 92 G4double TrueStepLength(G4double kinEnergy, G4double step,
93 const G4Material*, const G4ParticleDef 93 const G4Material*, const G4ParticleDefinition* part);
94 94
95 inline G4double EnergyAfterStep(G4double kin 95 inline G4double EnergyAfterStep(G4double kinEnergy, G4double step,
96 const G4Material*, 96 const G4Material*,
97 const G4Stri 97 const G4String& particleName);
98 98
99 inline G4double EnergyBeforeStep(G4double ki 99 inline G4double EnergyBeforeStep(G4double kinEnergy, G4double step,
100 const G4Material*, 100 const G4Material*,
101 const G4Str 101 const G4String& particleName);
102 102
103 G4double AverageScatteringAngle(G4double kin 103 G4double AverageScatteringAngle(G4double kinEnergy, G4double step,
104 const G4Material*, 104 const G4Material*,
105 const G4ParticleDefinition* part); 105 const G4ParticleDefinition* part);
106 106
107 inline G4double AverageScatteringAngle(G4dou 107 inline G4double AverageScatteringAngle(G4double kinEnergy, G4double step,
108 const G4Material*, 108 const G4Material*,
109 const G4String& particleName); 109 const G4String& particleName);
110 110
111 inline G4double ComputeTrueStep(const G4Mate 111 inline G4double ComputeTrueStep(const G4Material*,
112 const G4ParticleDefinition* part, 112 const G4ParticleDefinition* part,
113 G4double kinEnergy, G4double stepLen 113 G4double kinEnergy, G4double stepLength);
114 114
115 G4double EnergyDispersion(G4double kinEnergy 115 G4double EnergyDispersion(G4double kinEnergy, G4double step,
116 const G4Material*, 116 const G4Material*,
117 const G4ParticleDefinition*); 117 const G4ParticleDefinition*);
118 118
119 inline G4double EnergyDispersion(G4double ki 119 inline G4double EnergyDispersion(G4double kinEnergy, G4double step,
120 const G4Material*, 120 const G4Material*,
121 const G4Str 121 const G4String& particleName);
122 122
123 inline void SetVerbose(G4int val); 123 inline void SetVerbose(G4int val);
124 124
125 inline void SetMinKinEnergy(G4double); 125 inline void SetMinKinEnergy(G4double);
126 126
127 inline void SetMaxKinEnergy(G4double); 127 inline void SetMaxKinEnergy(G4double);
128 128
129 inline void SetMaxEnergyTransfer(G4double); 129 inline void SetMaxEnergyTransfer(G4double);
130 130
131 // hide assignment operator 131 // hide assignment operator
132 G4EnergyLossForExtrapolator & operator= 132 G4EnergyLossForExtrapolator & operator=
133 (const G4EnergyLossForExtrapolator &right) = 133 (const G4EnergyLossForExtrapolator &right) = delete;
134 G4EnergyLossForExtrapolator(const G4EnergyLo 134 G4EnergyLossForExtrapolator(const G4EnergyLossForExtrapolator&) = delete;
135 135
136 private: 136 private:
137 137
138 G4bool SetupKinematics(const G4ParticleDefin 138 G4bool SetupKinematics(const G4ParticleDefinition*, const G4Material*,
139 G4double kinEnergy); 139 G4double kinEnergy);
140 140
141 const G4ParticleDefinition* FindParticle(con 141 const G4ParticleDefinition* FindParticle(const G4String& name);
142 142
143 inline G4double ComputeValue(G4double x, con 143 inline G4double ComputeValue(G4double x, const G4PhysicsTable* table,
144 size_t idxMat); 144 size_t idxMat);
145 145
146 inline const G4PhysicsTable* GetPhysicsTable 146 inline const G4PhysicsTable* GetPhysicsTable(ExtTableType type) const;
147 147
148 #ifdef G4MULTITHREADED 148 #ifdef G4MULTITHREADED
149 static G4Mutex extrMutex; 149 static G4Mutex extrMutex;
150 #endif 150 #endif
151 static G4TablesForExtrapolator* tables; 151 static G4TablesForExtrapolator* tables;
152 152
153 const G4ParticleDefinition* currentParticle 153 const G4ParticleDefinition* currentParticle = nullptr;
154 const G4ParticleDefinition* electron = nullp 154 const G4ParticleDefinition* electron = nullptr;
155 const G4ParticleDefinition* positron = nullp 155 const G4ParticleDefinition* positron = nullptr;
156 const G4ParticleDefinition* muonPlus = nullp 156 const G4ParticleDefinition* muonPlus = nullptr;
157 const G4ParticleDefinition* muonMinus= nullp 157 const G4ParticleDefinition* muonMinus= nullptr;
158 const G4ParticleDefinition* proton = nullptr 158 const G4ParticleDefinition* proton = nullptr;
159 const G4Material* currentMaterial = nullptr; 159 const G4Material* currentMaterial = nullptr;
160 160
161 G4double electronDensity = 0.0; 161 G4double electronDensity = 0.0;
162 G4double radLength = 0.0; 162 G4double radLength = 0.0;
163 G4double charge2 = 0.0; 163 G4double charge2 = 0.0;
164 G4double kineticEnergy = 0.0; 164 G4double kineticEnergy = 0.0;
165 G4double gam = 1.0; 165 G4double gam = 1.0;
166 G4double bg2 = 0.0; 166 G4double bg2 = 0.0;
167 G4double beta2 = 0.0; 167 G4double beta2 = 0.0;
168 G4double tmax = 0.0; 168 G4double tmax = 0.0;
169 169
170 G4double linLossLimit = 0.01; 170 G4double linLossLimit = 0.01;
171 G4double emin = 0.0; 171 G4double emin = 0.0;
172 G4double emax = 0.0; 172 G4double emax = 0.0;
173 G4double maxEnergyTransfer = 0.0; 173 G4double maxEnergyTransfer = 0.0;
174 174
175 size_t index = 0; 175 size_t index = 0;
176 size_t nmat = 0; 176 size_t nmat = 0;
177 G4int nbins = 80; 177 G4int nbins = 80;
178 G4int verbose = 0; 178 G4int verbose = 0;
179 179
180 G4bool isMaster = false; 180 G4bool isMaster = false;
>> 181
>> 182 G4String currentParticleName = "";
181 }; 183 };
182 184
183 //....oooOO0OOooo........oooOO0OOooo........oo 185 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
184 186
185 inline const G4PhysicsTable* 187 inline const G4PhysicsTable*
186 G4EnergyLossForExtrapolator::GetPhysicsTable(E 188 G4EnergyLossForExtrapolator::GetPhysicsTable(ExtTableType type) const
187 { 189 {
188 return tables->GetPhysicsTable(type); 190 return tables->GetPhysicsTable(type);
189 } 191 }
190 192
191 //....oooOO0OOooo........oooOO0OOooo........oo 193 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
192 194
193 inline G4double 195 inline G4double
194 G4EnergyLossForExtrapolator::EnergyAfterStep(G 196 G4EnergyLossForExtrapolator::EnergyAfterStep(G4double kinEnergy,
195 G4double step, 197 G4double step,
196 const G4Material* mat, 198 const G4Material* mat,
197 const G4String& name) 199 const G4String& name)
198 { 200 {
199 return EnergyAfterStep(kinEnergy,step,mat,Fi 201 return EnergyAfterStep(kinEnergy,step,mat,FindParticle(name));
200 } 202 }
201 203
202 //....oooOO0OOooo........oooOO0OOooo........oo 204 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
203 205
204 inline G4double 206 inline G4double
205 G4EnergyLossForExtrapolator::EnergyBeforeStep( 207 G4EnergyLossForExtrapolator::EnergyBeforeStep(G4double kinEnergy,
206 G4double step, 208 G4double step,
207 const G4Material* mat, 209 const G4Material* mat,
208 const G4String& name) 210 const G4String& name)
209 { 211 {
210 return EnergyBeforeStep(kinEnergy,step,mat,F 212 return EnergyBeforeStep(kinEnergy,step,mat,FindParticle(name));
211 } 213 }
212 214
213 //....oooOO0OOooo........oooOO0OOooo........oo 215 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
214 216
215 inline G4double 217 inline G4double
216 G4EnergyLossForExtrapolator::AverageScattering 218 G4EnergyLossForExtrapolator::AverageScatteringAngle(G4double kinEnergy,
217 G4double step, 219 G4double step,
218 const G4Material* mat, 220 const G4Material* mat,
219 const G4String& name) 221 const G4String& name)
220 { 222 {
221 return AverageScatteringAngle(kinEnergy,step 223 return AverageScatteringAngle(kinEnergy,step,mat,FindParticle(name));
222 } 224 }
223 225
224 //....oooOO0OOooo........oooOO0OOooo........oo 226 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
225 227
226 inline G4double 228 inline G4double
227 G4EnergyLossForExtrapolator::EnergyDispersion( 229 G4EnergyLossForExtrapolator::EnergyDispersion(G4double kinEnergy,
228 G4double step, 230 G4double step,
229 const G4Material* mat, 231 const G4Material* mat,
230 const G4String& name) 232 const G4String& name)
231 { 233 {
232 return EnergyDispersion(kinEnergy,step,mat,F 234 return EnergyDispersion(kinEnergy,step,mat,FindParticle(name));
233 } 235 }
234 236
235 //....oooOO0OOooo........oooOO0OOooo........oo 237 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
236 238
237 inline G4double 239 inline G4double
238 G4EnergyLossForExtrapolator::ComputeTrueStep(c 240 G4EnergyLossForExtrapolator::ComputeTrueStep(const G4Material* mat,
239 const G4ParticleDefinition* par 241 const G4ParticleDefinition* part,
240 G4double kinEnergy, 242 G4double kinEnergy,
241 G4double stepLength) 243 G4double stepLength)
242 { 244 {
243 G4double theta = AverageScatteringAngle(kinE 245 G4double theta = AverageScatteringAngle(kinEnergy,stepLength,mat,part);
244 return stepLength*std::sqrt(1.0 + 0.625*thet 246 return stepLength*std::sqrt(1.0 + 0.625*theta*theta);
245 } 247 }
246 248
247 //....oooOO0OOooo........oooOO0OOooo........oo 249 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
248 250
249 inline G4double 251 inline G4double
250 G4EnergyLossForExtrapolator::ComputeValue(G4do 252 G4EnergyLossForExtrapolator::ComputeValue(G4double x,
251 const G4PhysicsTable* table, 253 const G4PhysicsTable* table,
252 size_t idxMat) 254 size_t idxMat)
253 { 255 {
254 return (nullptr != table) ? ((*table)[idxMat 256 return (nullptr != table) ? ((*table)[idxMat])->Value(x, index) : 0.0;
255 } 257 }
256 258
257 //....oooOO0OOooo........oooOO0OOooo........oo 259 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
258 260
259 inline void G4EnergyLossForExtrapolator::SetVe 261 inline void G4EnergyLossForExtrapolator::SetVerbose(G4int val)
260 { 262 {
261 verbose = val; 263 verbose = val;
262 } 264 }
263 265
264 //....oooOO0OOooo........oooOO0OOooo........oo 266 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
265 267
266 inline void G4EnergyLossForExtrapolator::SetMi 268 inline void G4EnergyLossForExtrapolator::SetMinKinEnergy(G4double val)
267 { 269 {
268 emin = val; 270 emin = val;
269 } 271 }
270 272
271 //....oooOO0OOooo........oooOO0OOooo........oo 273 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
272 274
273 inline void G4EnergyLossForExtrapolator::SetMa 275 inline void G4EnergyLossForExtrapolator::SetMaxKinEnergy(G4double val)
274 { 276 {
275 emax = val; 277 emax = val;
276 } 278 }
277 279
278 //....oooOO0OOooo........oooOO0OOooo........oo 280 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
279 281
280 inline void G4EnergyLossForExtrapolator::SetMa 282 inline void G4EnergyLossForExtrapolator::SetMaxEnergyTransfer(G4double val)
281 { 283 {
282 maxEnergyTransfer = val; 284 maxEnergyTransfer = val;
283 } 285 }
284 286
285 //....oooOO0OOooo........oooOO0OOooo........oo 287 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
286 288
287 #endif 289 #endif
288 290
289 291