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1 // 1 2 // ******************************************* 3 // * License and Disclaimer 4 // * 5 // * The Geant4 software is copyright of th 6 // * the Geant4 Collaboration. It is provided 7 // * conditions of the Geant4 Software License 8 // * LICENSE and available at http://cern.ch/ 9 // * include a list of copyright holders. 10 // * 11 // * Neither the authors of this software syst 12 // * institutes,nor the agencies providing fin 13 // * work make any representation or warran 14 // * regarding this software system or assum 15 // * use. Please see the license in the file 16 // * for the full disclaimer and the limitatio 17 // * 18 // * This code implementation is the result 19 // * technical work of the GEANT4 collaboratio 20 // * By using, copying, modifying or distri 21 // * any work based on the software) you ag 22 // * use in resulting scientific publicati 23 // * acceptance of all terms of the Geant4 Sof 24 // ******************************************* 25 // 26 // 27 // ------------------------------------------- 28 // 29 // GEANT4 Class class file 30 // 31 // 32 // File name: G4VAtomDeexcitation 33 // 34 // Author: Alfonso Mantero & Vladimir I 35 // 36 // Creation date: 21.04.2010 37 // 38 // Modifications: 39 // 40 // Class Description: 41 // 42 // Abstract interface to energy loss models 43 44 // ------------------------------------------- 45 // 46 47 #include "G4VAtomDeexcitation.hh" 48 #include "G4SystemOfUnits.hh" 49 #include "G4EmParameters.hh" 50 #include "G4ParticleDefinition.hh" 51 #include "G4DynamicParticle.hh" 52 #include "G4Step.hh" 53 #include "G4Region.hh" 54 #include "G4RegionStore.hh" 55 #include "G4MaterialCutsCouple.hh" 56 #include "G4MaterialCutsCouple.hh" 57 #include "G4Material.hh" 58 #include "G4Element.hh" 59 #include "G4ElementVector.hh" 60 #include "Randomize.hh" 61 #include "G4VParticleChange.hh" 62 #include "G4EmSecondaryParticleType.hh" 63 #include "G4Gamma.hh" 64 #include "G4Log.hh" 65 66 #ifdef G4MULTITHREADED 67 G4Mutex G4VAtomDeexcitation::atomDeexcitatio 68 #endif 69 70 //....oooOO0OOooo........oooOO0OOooo........oo 71 72 G4VAtomDeexcitation::G4VAtomDeexcitation(const 73 : name(modname) 74 { 75 vdyn.reserve(5); 76 theCoupleTable = nullptr; 77 gamma = G4Gamma::Gamma(); 78 } 79 80 //....oooOO0OOooo........oooOO0OOooo........oo 81 82 G4VAtomDeexcitation::~G4VAtomDeexcitation() = 83 84 //....oooOO0OOooo........oooOO0OOooo........oo 85 86 void G4VAtomDeexcitation::InitialiseAtomicDeex 87 { 88 G4EmParameters* theParameters = G4EmParamete 89 theParameters->DefineRegParamForDeex(this); 90 91 // Define list of couples 92 theCoupleTable = G4ProductionCutsTable::GetP 93 nCouples = (G4int)theCoupleTable->GetTableSi 94 95 // needed for unit tests 96 std::size_t nn = std::max(nCouples, 1); 97 if(activeDeexcitationMedia.size() != nn) { 98 activeDeexcitationMedia.resize(nn, false); 99 activeAugerMedia.resize(nn, false); 100 activePIXEMedia.resize(nn, false); 101 } 102 if(activeZ.size() != 93) { activeZ.resize(93 103 104 // initialisation of flags and options 105 // normally there is no locksed flags 106 if(!isActiveLocked) { isActive = theParamet 107 if(!isAugerLocked) { flagAuger = theParamet 108 if(!isPIXELocked) { flagPIXE = theParamet 109 ignoreCuts = theParameters->DeexcitationIgno 110 111 // Define list of regions 112 std::size_t nRegions = deRegions.size(); 113 // check if deexcitation is active for the g 114 if(!isActive && 0 == nRegions) { return; } 115 116 // if no active regions add a world 117 if(0 == nRegions) { 118 SetDeexcitationActiveRegion("World",isActi 119 nRegions = deRegions.size(); 120 } 121 122 if(0 < verbose) { 123 G4cout << G4endl; 124 G4cout << "### === Deexcitation model " < 125 << " is activated for " << nRegions 126 if(1 == nRegions) { G4cout << " region:" < 127 else { G4cout << " regions:" 128 } 129 130 // Identify active media 131 const G4RegionStore* regionStore = G4RegionS 132 for(std::size_t j=0; j<nRegions; ++j) { 133 const G4Region* reg = regionStore->GetRegi 134 if(nullptr != reg && 0 < nCouples) { 135 const G4ProductionCuts* rpcuts = reg->Ge 136 if(0 < verbose) { 137 G4cout << " " << activeRegion 138 << " " << deRegions[j] << " 139 << " " << PIXERegions[j] << G4 140 } 141 for(G4int i=0; i<nCouples; ++i) { 142 const G4MaterialCutsCouple* couple = 143 theCoupleTable->GetMaterialCutsCoupl 144 if (couple->GetProductionCuts() == rpc 145 activeDeexcitationMedia[i] = deRegio 146 activeAugerMedia[i] = AugerRegions[j 147 activePIXEMedia[i] = PIXERegions[j]; 148 } 149 } 150 } 151 } 152 std::size_t nelm = G4Element::GetNumberOfEle 153 //G4cout << nelm << G4endl; 154 for(std::size_t k=0; k<nelm; ++k) { 155 G4int Z = (*(G4Element::GetElementTable()) 156 if(Z > 5 && Z < 93) { 157 activeZ[Z] = true; 158 //G4cout << "!!! Active de-excitation Z= 159 } 160 } 161 162 // Initialise derived class 163 InitialiseForNewRun(); 164 165 if(0 < verbose && flagAuger) { 166 G4cout << "### === Auger flag: " << flagA 167 << G4endl; 168 } 169 if(0 < verbose) { 170 G4cout << "### === Ignore cuts flag: " 171 << G4endl; 172 } 173 if(0 < verbose && flagPIXE) { 174 G4cout << "### === PIXE model for hadrons 175 << theParameters->PIXECrossSectionM 176 << G4endl; 177 G4cout << "### === PIXE model for e+-: 178 << theParameters->PIXEElectronCross 179 << G4endl; 180 } 181 } 182 183 //....oooOO0OOooo........oooOO0OOooo........oo 184 185 void 186 G4VAtomDeexcitation::SetDeexcitationActiveRegi 187 188 189 190 { 191 // no PIXE in parallel world 192 if(rname == "DefaultRegionForParallelWorld") 193 194 G4String ss = rname; 195 /* 196 G4cout << "### G4VAtomDeexcitation::SetDeexc 197 << " " << valDeexcitation << " " << 198 << " " << valPIXE << G4endl; 199 */ 200 if(ss == "world" || ss == "World" || ss == " 201 ss = "DefaultRegionForTheWorld"; 202 } 203 std::size_t n = deRegions.size(); 204 for(std::size_t i=0; i<n; ++i) { 205 206 // Region already exist 207 if(ss == activeRegions[i]) { 208 deRegions[i] = valDeexcitation; 209 AugerRegions[i] = valAuger; 210 PIXERegions[i] = valPIXE; 211 return; 212 } 213 } 214 // New region 215 activeRegions.push_back(ss); 216 deRegions.push_back(valDeexcitation); 217 AugerRegions.push_back(valAuger); 218 PIXERegions.push_back(valPIXE); 219 220 // if de-excitation defined for the world vo 221 // it should be active for all G4Regions 222 if(ss == "DefaultRegionForTheWorld") { 223 G4RegionStore* regions = G4RegionStore::Ge 224 std::size_t nn = regions->size(); 225 for(std::size_t i=0; i<nn; ++i) { 226 if(ss == (*regions)[i]->GetName()) { con 227 SetDeexcitationActiveRegion((*regions)[i 228 valAuger, va 229 230 } 231 } 232 } 233 234 void G4VAtomDeexcitation::GenerateParticles(st 235 co 236 G4 237 { 238 G4double gCut = DBL_MAX; 239 if(ignoreCuts) { 240 gCut = 0.0; 241 } else if (nullptr != theCoupleTable) { 242 gCut = (*(theCoupleTable->GetEnergyCutsVec 243 } 244 if(gCut < as->BindingEnergy()) { 245 G4double eCut = DBL_MAX; 246 if(CheckAugerActiveRegion(idx)) { 247 if(ignoreCuts) { 248 eCut = 0.0; 249 } else if (nullptr != theCoupleTable) { 250 eCut = (*(theCoupleTable->GetEnergyCut 251 } 252 } 253 GenerateParticles(v, as, Z, gCut, eCut); 254 } 255 } 256 257 //....oooOO0OOooo........oooOO0OOooo........oo 258 259 void 260 G4VAtomDeexcitation::AlongStepDeexcitation(std 261 con 262 G4d 263 G4i 264 { 265 G4double truelength = step.GetStepLength(); 266 if(!flagPIXE && !activePIXEMedia[coupleIndex 267 if(eLossMax <= 0.0 || truelength <= 0.0) 268 269 // step parameters 270 const G4StepPoint* preStep = step.GetPreStep 271 const G4ThreeVector prePos = preStep->GetPos 272 const G4ThreeVector delta = step.GetPostStep 273 const G4double preTime = preStep->GetGlobalT 274 const G4double dt = step.GetPostStepPoint()- 275 276 // particle parameters 277 const G4Track* track = step.GetTrack(); 278 const G4ParticleDefinition* part = track->Ge 279 G4double ekin = preStep->GetKineticEnergy(); 280 281 // media parameters 282 G4double gCut = (*theCoupleTable->GetEnergyC 283 if(ignoreCuts) { gCut = 0.0; } 284 G4double eCut = DBL_MAX; 285 if(CheckAugerActiveRegion(coupleIndex)) { 286 eCut = (*theCoupleTable->GetEnergyCutsVect 287 if(ignoreCuts) { eCut = 0.0; } 288 } 289 290 //G4cout<<"!Sample PIXE gCut(MeV)= "<<gCut<< 291 // <<" Ekin(MeV)= " << ekin/MeV << G4 292 293 const G4Material* material = preStep->GetMat 294 const G4ElementVector* theElementVector = ma 295 const G4double* theAtomNumDensityVector = 296 material->GetVecNbOfAtomsPerVolume(); 297 const std::size_t nelm = material->GetNumber 298 299 // loop over deexcitations 300 for(std::size_t i=0; i<nelm; ++i) { 301 G4int Z = (*theElementVector)[i]->GetZasIn 302 if(activeZ[Z] && Z < 93) { 303 G4int nshells = 304 std::min(9,(*theElementVector)[i]->Get 305 G4double rho = truelength*theAtomNumDens 306 //G4cout<<" Z "<< Z <<" is active x(m 307 for(G4int ii=0; ii<nshells; ++ii) { 308 auto as = (G4AtomicShellEnumerator)(ii 309 const G4AtomicShell* shell = GetAtomic 310 const G4double bindingEnergy = shell-> 311 312 if(gCut > bindingEnergy) { break; } 313 314 if(eLossMax > bindingEnergy) { 315 G4double sig = rho* 316 GetShellIonisationCrossSectionPerA 317 318 // mfp is mean free path in units of 319 if(sig > 0.0) { 320 G4double mfp = 1.0/sig; 321 G4double stot = 0.0; 322 //G4cout << " Shell " << ii << " m 323 // sample ionisation points 324 do { 325 stot -= mfp*G4Log(G4UniformRand( 326 if( stot > 1.0 || eLossMax < bin 327 // sample deexcitation 328 vdyn.clear(); 329 GenerateParticles(&vdyn, shell, 330 std::size_t nsec = vdyn.size(); 331 if(nsec > 0) { 332 G4ThreeVector r = prePos + st 333 G4double time = preTime + st 334 for(std::size_t j=0; j<nsec; + 335 G4DynamicParticle* dp = vdyn 336 G4double e = dp->GetKineticE 337 338 // save new secondary if the 339 if(eLossMax >= e) { 340 eLossMax -= e; 341 G4Track* t = new G4Track(d 342 343 // defined secondary type 344 if(dp->GetDefinition() == 345 t->SetCreatorModelID(_Ga 346 } else { 347 t->SetCreatorModelID(_eP 348 } 349 tracks.push_back(t); 350 } else { 351 delete dp; 352 } 353 } 354 } 355 // Loop checking, 03-Aug-2015, V 356 } while (stot < 1.0); 357 } 358 } 359 } 360 } 361 } 362 return; 363 } 364 365 //....oooOO0OOooo........oooOO0OOooo........oo 366