]>
Commit | Line | Data |
---|---|---|
2817d3e2 | 1 | // $Id$ |
2 | // Category: physics | |
3 | // | |
4 | // See the class description in the header file. | |
5 | ||
6 | #include "TG4PhysicsManager.h" | |
b2030327 | 7 | #include "TG4ParticlesManager.h" |
8 | #include "TG4G3PhysicsManager.h" | |
9 | #include "TG4PhysicsConstructorEM.h" | |
10 | #include "TG4PhysicsConstructorOptical.h" | |
11 | #include "TG4PhysicsConstructorHadron.h" | |
12 | #include "TG4PhysicsConstructorSpecialCuts.h" | |
13 | #include "TG4PhysicsConstructorSpecialControls.h" | |
14 | #include "TG4G3Cut.h" | |
15 | #include "TG4G3Control.h" | |
2817d3e2 | 16 | |
17 | #include <G4ParticleDefinition.hh> | |
094a5851 | 18 | #include <G4VProcess.hh> |
b2030327 | 19 | #include <G4VModularPhysicsList.hh> |
2817d3e2 | 20 | |
21 | #include <TDatabasePDG.h> | |
22 | ||
23 | TG4PhysicsManager* TG4PhysicsManager::fgInstance = 0; | |
24 | ||
b2030327 | 25 | TG4PhysicsManager::TG4PhysicsManager(G4VModularPhysicsList* physicsList) |
26 | : fPhysicsList(physicsList), | |
27 | fSetEMPhysics(true), | |
28 | fSetOpticalPhysics(false), | |
29 | fSetHadronPhysics(false), | |
30 | fSetSpecialCutsPhysics(false), | |
31 | fSetSpecialControlsPhysics(false) | |
32 | ||
2817d3e2 | 33 | { |
34 | // | |
35 | if (fgInstance) { | |
36 | TG4Globals::Exception( | |
37 | "TG4PhysicsManager: attempt to create two instances of singleton."); | |
38 | } | |
39 | ||
40 | fgInstance = this; | |
b2030327 | 41 | |
42 | // create particles manager | |
43 | fParticlesManager = new TG4ParticlesManager(); | |
2817d3e2 | 44 | |
b2030327 | 45 | // create G3 physics manager |
46 | fG3PhysicsManager = new TG4G3PhysicsManager(); | |
2817d3e2 | 47 | |
0453c41f | 48 | // fill process name map |
49 | FillProcessMap(); | |
2817d3e2 | 50 | } |
51 | ||
b2030327 | 52 | TG4PhysicsManager::TG4PhysicsManager(){ |
53 | // | |
54 | delete fParticlesManager; | |
55 | delete fG3PhysicsManager; | |
56 | } | |
57 | ||
2817d3e2 | 58 | TG4PhysicsManager::TG4PhysicsManager(const TG4PhysicsManager& right) { |
59 | // | |
60 | TG4Globals::Exception( | |
61 | "Attempt to copy TG4PhysicsManager singleton."); | |
62 | } | |
63 | ||
64 | TG4PhysicsManager::~TG4PhysicsManager() { | |
65 | // | |
2817d3e2 | 66 | } |
67 | ||
68 | // operators | |
69 | ||
70 | TG4PhysicsManager& | |
71 | TG4PhysicsManager::operator=(const TG4PhysicsManager& right) | |
72 | { | |
73 | // check assignement to self | |
74 | if (this == &right) return *this; | |
75 | ||
76 | TG4Globals::Exception( | |
77 | "Attempt to assign TG4PhysicsManager singleton."); | |
78 | ||
79 | return *this; | |
80 | } | |
81 | ||
82 | // private methods | |
83 | ||
0453c41f | 84 | void TG4PhysicsManager::FillProcessMap() |
85 | { | |
86 | // Fills fProcessMap. | |
87 | // The default G4 process names are used in the map. | |
88 | // --- | |
89 | ||
90 | // multiple scattering | |
91 | fProcessMap.Add("msc", kPMultipleScattering); | |
92 | fProcessMap.Add("Imsc", kPMultipleScattering); | |
93 | ||
94 | // continuous energy loss | |
95 | // !! including delta rays | |
96 | fProcessMap.Add("eIoni", kPEnergyLoss); | |
97 | fProcessMap.Add("IeIoni", kPEnergyLoss); | |
98 | fProcessMap.Add("LowEnergyIoni", kPEnergyLoss); | |
99 | fProcessMap.Add("hIoni", kPEnergyLoss); | |
100 | fProcessMap.Add("IhIoni", kPEnergyLoss); | |
101 | fProcessMap.Add("hLowEIoni", kPEnergyLoss); | |
102 | fProcessMap.Add("MuIoni", kPEnergyLoss); | |
103 | fProcessMap.Add("IMuIonisation", kPEnergyLoss); | |
104 | fProcessMap.Add("ionIoni", kPEnergyLoss); | |
105 | fProcessMap.Add("ionLowEIoni", kPEnergyLoss); | |
106 | fProcessMap.Add("PAIonisation", kPEnergyLoss); | |
107 | ||
108 | // bending in mag. field | |
109 | // kPMagneticFieldL | |
110 | ||
111 | // particle decay | |
112 | fProcessMap.Add("Decay", kPDecay); | |
113 | ||
114 | // photon pair production or | |
115 | // muon direct pair production | |
116 | fProcessMap.Add("conv", kPPair); | |
117 | fProcessMap.Add("LowEnConversion", kPPair); | |
118 | fProcessMap.Add("MuPairProd", kPPair); | |
119 | fProcessMap.Add("IMuPairProduction", kPPair); | |
120 | ||
121 | // Compton scattering | |
122 | fProcessMap.Add("compt", kPCompton); | |
123 | fProcessMap.Add("LowEnCompton", kPCompton); | |
124 | fProcessMap.Add("polarCompt", kPCompton); | |
125 | ||
126 | // photoelectric effect | |
127 | fProcessMap.Add("phot", kPPhotoelectric); | |
128 | fProcessMap.Add("LowEnPhotoElec", kPPhotoelectric); | |
129 | ||
130 | // bremsstrahlung | |
131 | fProcessMap.Add("eBrem", kPBrem); | |
132 | fProcessMap.Add("IeBrem", kPBrem); | |
133 | fProcessMap.Add("MuBrem", kPBrem); | |
134 | fProcessMap.Add("IMuBremsstrahlung", kPBrem); | |
135 | fProcessMap.Add("LowEnBrem", kPBrem); | |
136 | ||
137 | // delta-ray production | |
138 | // kPDeltaRay | |
139 | // has to be distinguished from kPEnergyLoss on flight | |
140 | ||
141 | // positron annihilation | |
142 | fProcessMap.Add("annihil", kPAnnihilation); | |
143 | fProcessMap.Add("Iannihil", kPAnnihilation); | |
144 | ||
145 | // hadronic interaction | |
146 | // kPHadronic | |
147 | ||
148 | // nuclear evaporation | |
149 | // kPEvaporation | |
150 | ||
151 | // nuclear fission | |
152 | // kPNuclearFission | |
153 | ||
154 | // nuclear absorption | |
155 | fProcessMap.Add("PionMinusAbsorptionAtRest", kPNuclearAbsorption); | |
156 | fProcessMap.Add("PiMinusAbsorptionAtRest", kPNuclearAbsorption); | |
157 | fProcessMap.Add("KaonMinusAbsorption", kPNuclearAbsorption); | |
158 | fProcessMap.Add("KaonMinusAbsorptionAtRest", kPNuclearAbsorption); | |
159 | ||
160 | // antiproton annihilation | |
161 | fProcessMap.Add("AntiProtonAnnihilationAtRest", kPPbarAnnihilation); | |
162 | // fProcessMap.Add("AntiNeutronAnnihilationAtRest", not defined); | |
163 | ||
164 | // neutron capture | |
165 | fProcessMap.Add("NeutronCaptureAtRest", kPNCapture); | |
166 | // fProcessMap.Add("LCapture", hadron capture not defined); | |
167 | ||
168 | // hadronic elastic incoherent scattering | |
169 | fProcessMap.Add("LElastic", kPHElastic); | |
170 | ||
171 | // hadronic inelastic scattering | |
172 | fProcessMap.Add("inelastic", kPHInhelastic); | |
173 | ||
174 | // muon nuclear interaction | |
175 | fProcessMap.Add("MuNucl", kPMuonNuclear); | |
176 | ||
177 | // exceeded time of flight cut | |
178 | // kPTOFlimit | |
179 | ||
180 | // nuclear photofission | |
181 | // kPPhotoFission | |
182 | ||
183 | // Rayleigh scattering | |
184 | fProcessMap.Add("Rayleigh Scattering", kPRayleigh); | |
185 | ||
186 | // no mechanism is active, usually at the entrance of a new volume | |
094a5851 | 187 | fProcessMap.Add("Transportation", kPNull); |
0453c41f | 188 | |
189 | // particle has fallen below energy threshold and tracking stops | |
190 | // kPStop | |
191 | ||
192 | // Cerenkov photon absorption | |
193 | fProcessMap.Add("Absorption", kPLightAbsorption); | |
194 | ||
195 | // Cerenkov photon reflection/refraction | |
196 | // kPLightScattering, kPLightReflection, kPLightRefraction | |
197 | // has to be inquired from the G4OpBoundary process | |
198 | ||
199 | // synchrotron radiation | |
200 | fProcessMap.Add("SynchrotronRadiation", kPSynchrotron); | |
201 | } | |
202 | ||
203 | ||
b2030327 | 204 | // public methods |
205 | ||
206 | void TG4PhysicsManager::BuildPhysics() | |
2817d3e2 | 207 | { |
b2030327 | 208 | // Empty function - not needed in G4. |
209 | // (Physics is built within /run/initialize.) | |
2817d3e2 | 210 | // --- |
211 | ||
b2030327 | 212 | TG4Globals::Warning( |
213 | "TG4PhysicsManager::BuildPhysics: is empty function in G4 MC."); | |
214 | } | |
2817d3e2 | 215 | |
b2030327 | 216 | void TG4PhysicsManager::CreatePhysicsConstructors() |
0453c41f | 217 | { |
b2030327 | 218 | // Creates the selected physics constructors |
219 | // and registeres them in the modular physics list. | |
0453c41f | 220 | // --- |
221 | ||
b2030327 | 222 | // electromagnetic physics |
223 | if (fSetEMPhysics) | |
224 | fPhysicsList->RegisterPhysics(new TG4PhysicsConstructorEM()); | |
0453c41f | 225 | |
b2030327 | 226 | // optical physics |
227 | if (fSetOpticalPhysics) | |
228 | fPhysicsList->RegisterPhysics(new TG4PhysicsConstructorOptical()); | |
2817d3e2 | 229 | |
b2030327 | 230 | // hadron physics |
231 | if (fSetHadronPhysics) | |
232 | fPhysicsList->RegisterPhysics(new TG4PhysicsConstructorHadron()); | |
2817d3e2 | 233 | |
b2030327 | 234 | if (fSetSpecialCutsPhysics) |
235 | fPhysicsList->RegisterPhysics(new TG4PhysicsConstructorSpecialCuts()); | |
2817d3e2 | 236 | |
b2030327 | 237 | if (fSetSpecialControlsPhysics) |
238 | fPhysicsList->RegisterPhysics(new TG4PhysicsConstructorSpecialControls()); | |
239 | ||
240 | // all created physics constructors are deleted | |
241 | // in the G4VModularPhysicsList destructor | |
242 | } | |
243 | ||
244 | void TG4PhysicsManager::SetCut(const char* cutName, Float_t cutValue) | |
245 | { | |
246 | // Sets the specified cut. | |
2817d3e2 | 247 | // --- |
248 | ||
b2030327 | 249 | fG3PhysicsManager->CheckLock(); |
250 | TG4G3Cut g3Cut = fG3PhysicsManager->GetG3Cut(cutName); | |
251 | if (g3Cut != kNoG3Cuts) | |
252 | fG3PhysicsManager->SetCut(g3Cut, cutValue); | |
253 | else { | |
254 | G4String text = "TG4PhysicsManager::SetCut:\n"; | |
255 | text = text + " Parameter " + cutName; | |
256 | text = text + " is not implemented."; | |
257 | TG4Globals::Warning(text); | |
2817d3e2 | 258 | } |
2817d3e2 | 259 | } |
b2030327 | 260 | |
261 | void TG4PhysicsManager::SetProcess(const char* controlName, Int_t controlValue) | |
2817d3e2 | 262 | { |
b2030327 | 263 | // Sets the specified process control. |
2817d3e2 | 264 | // --- |
265 | ||
b2030327 | 266 | fG3PhysicsManager->CheckLock(); |
267 | TG4G3Control control = fG3PhysicsManager->GetG3Control(controlName); | |
268 | if (control != kNoG3Controls) | |
269 | fG3PhysicsManager->SetProcess(control, controlValue); | |
270 | else { | |
271 | G4String text = "TG4PhysicsManager::SetProcess:\n"; | |
272 | text = text + " Parameter " + controlName; | |
273 | text = text + " is not implemented."; | |
274 | TG4Globals::Warning(text); | |
2817d3e2 | 275 | } |
b2030327 | 276 | } |
2817d3e2 | 277 | |
278 | Float_t TG4PhysicsManager::Xsec(char* ch, Float_t p1, Int_t i1, Int_t i2) | |
279 | { | |
280 | // Not yet implemented -> gives exception. | |
281 | // --- | |
282 | ||
283 | TG4Globals::Exception( | |
284 | "TG4PhysicsManager::Xsec: not yet implemented."); | |
285 | ||
286 | return 0.; | |
287 | } | |
288 | ||
289 | Int_t TG4PhysicsManager::IdFromPDG(Int_t pdgID) const | |
290 | { | |
291 | // G4 does not use the integer particle identifiers | |
292 | // Id <-> PDG is identity. | |
293 | // --- | |
294 | ||
295 | return pdgID; | |
296 | } | |
297 | ||
298 | Int_t TG4PhysicsManager::PDGFromId(Int_t mcID) const | |
299 | { | |
300 | // G4 does not use integer particle identifiers | |
301 | // Id <-> PDG is identity. | |
302 | // --- | |
303 | ||
304 | return mcID; | |
305 | } | |
306 | ||
307 | void TG4PhysicsManager::DefineParticles() | |
308 | { | |
309 | // ====== | |
310 | // Taken from TGeant3 | |
311 | // | |
312 | // Use ENDF-6 mapping for ions = 10000*z+10*a+iso | |
313 | // and add 1 000 000 | |
314 | // and numbers above 5 000 000 for special applications | |
315 | // | |
316 | ||
317 | const Int_t kion=10000000; | |
318 | const Int_t kspe=50000000; | |
319 | ||
320 | const Double_t kGeV=0.9314943228; | |
321 | const Double_t kHslash = 1.0545726663e-27; | |
322 | const Double_t kErgGeV = 1/1.6021773349e-3; | |
323 | const Double_t kHshGeV = kHslash*kErgGeV; | |
324 | const Double_t kYearsToSec = 3600*24*365.25; | |
325 | ||
326 | TDatabasePDG *pdgDB = TDatabasePDG::Instance(); | |
327 | ||
328 | pdgDB->AddParticle("Deuteron","Deuteron",2*kGeV+8.071e-3,kTRUE, | |
329 | 0,1,"Ion",kion+10020); | |
330 | ||
331 | pdgDB->AddParticle("Triton","Triton",3*kGeV+14.931e-3,kFALSE, | |
332 | kHshGeV/(12.33*kYearsToSec),1,"Ion",kion+10030); | |
333 | ||
334 | pdgDB->AddParticle("Alpha","Alpha",4*kGeV+2.424e-3,kTRUE, | |
335 | kHshGeV/(12.33*kYearsToSec),2,"Ion",kion+20040); | |
336 | ||
337 | pdgDB->AddParticle("HE3","HE3",3*kGeV+14.931e-3,kFALSE, | |
338 | 0,2,"Ion",kion+20030); | |
339 | ||
340 | pdgDB->AddParticle("Cherenkov","Cherenkov",0,kFALSE, | |
341 | 0,0,"Special",kspe+50); | |
342 | ||
343 | pdgDB->AddParticle("FeedbackPhoton","FeedbackPhoton",0,kFALSE, | |
344 | 0,0,"Special",kspe+51); | |
345 | ||
346 | ||
347 | // To do: define the PDG database extension | |
348 | // in a common part. | |
349 | // | |
350 | // AliMC::ExtendPDGDatabase(); | |
351 | // | |
352 | // end of "common" implementation | |
353 | // ====== | |
354 | ||
b2030327 | 355 | fParticlesManager->MapParticles(); |
2817d3e2 | 356 | } |
357 | ||
2817d3e2 | 358 | |
359 | void TG4PhysicsManager::SetProcessActivation() | |
360 | { | |
361 | // (In)Activates built processes according | |
b2030327 | 362 | // to the setup in fControlVector. |
2817d3e2 | 363 | // --- |
364 | ||
365 | if (fPhysicsList) { | |
366 | // temporarily excluded | |
367 | // fPhysicsList->SetProcessActivation(); | |
368 | } | |
369 | else { | |
370 | G4String text = "TG4PhysicsManager::SetProcessActivation:\n"; | |
371 | text = text + " There is no physics list set."; | |
372 | TG4Globals::Exception(text); | |
373 | } | |
374 | } | |
375 | ||
2817d3e2 | 376 | |
b2030327 | 377 | AliMCProcess TG4PhysicsManager::GetMCProcess(const G4VProcess* process) |
2817d3e2 | 378 | { |
b2030327 | 379 | // Returns the AliMCProcess code of the specified G4 process. |
2817d3e2 | 380 | // --- |
b2030327 | 381 | |
382 | if (!process) return kPNoProcess; | |
2817d3e2 | 383 | |
b2030327 | 384 | G4String name = process->GetProcessName(); |
385 | G4int code = fProcessMap.GetSecond(name); | |
386 | ||
387 | if (code == 0) return kPNoProcess; | |
388 | ||
389 | return (AliMCProcess)code; | |
2817d3e2 | 390 | } |
391 |