[1350] | 1 | // |
---|
| 2 | // ******************************************************************** |
---|
| 3 | // * License and Disclaimer * |
---|
| 4 | // * * |
---|
| 5 | // * The Geant4 software is copyright of the Copyright Holders of * |
---|
| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
---|
| 7 | // * conditions of the Geant4 Software License, included in the file * |
---|
| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
---|
| 9 | // * include a list of copyright holders. * |
---|
| 10 | // * * |
---|
| 11 | // * Neither the authors of this software system, nor their employing * |
---|
| 12 | // * institutes,nor the agencies providing financial support for this * |
---|
| 13 | // * work make any representation or warranty, express or implied, * |
---|
| 14 | // * regarding this software system or assume any liability for its * |
---|
| 15 | // * use. Please see the license in the file LICENSE and URL above * |
---|
| 16 | // * for the full disclaimer and the limitation of liability. * |
---|
| 17 | // * * |
---|
| 18 | // * This code implementation is the result of the scientific and * |
---|
| 19 | // * technical work of the GEANT4 collaboration. * |
---|
| 20 | // * By using, copying, modifying or distributing the software (or * |
---|
| 21 | // * any work based on the software) you agree to acknowledge its * |
---|
| 22 | // * use in resulting scientific publications, and indicate your * |
---|
| 23 | // * acceptance of all terms of the Geant4 Software license. * |
---|
| 24 | // ******************************************************************** |
---|
| 25 | // |
---|
| 26 | // $Id: G4PenelopeCrossSection.cc,v 1.2 2010/12/15 07:39:14 gunter Exp $ |
---|
| 27 | // GEANT4 tag $Name: geant4-09-04-ref-00 $ |
---|
| 28 | // |
---|
| 29 | // Author: Luciano Pandola |
---|
| 30 | // |
---|
| 31 | // History: |
---|
| 32 | // -------- |
---|
| 33 | // 18 Mar 2010 L Pandola First implementation |
---|
| 34 | // |
---|
| 35 | #include "G4PenelopeCrossSection.hh" |
---|
| 36 | #include "G4PhysicsTable.hh" |
---|
| 37 | #include "G4PhysicsFreeVector.hh" |
---|
| 38 | #include "G4DataVector.hh" |
---|
| 39 | |
---|
| 40 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo... |
---|
| 41 | G4PenelopeCrossSection::G4PenelopeCrossSection(size_t nPointsE,size_t nShells) : |
---|
| 42 | numberOfEnergyPoints(nPointsE),numberOfShells(nShells),softCrossSections(0), |
---|
| 43 | hardCrossSections(0),shellCrossSections(0) |
---|
| 44 | { |
---|
| 45 | //check the number of points is not zero |
---|
| 46 | if (!numberOfEnergyPoints) |
---|
| 47 | { |
---|
| 48 | G4cout << "G4PenelopeCrossSection: invalid number of energy points " << G4endl; |
---|
| 49 | G4Exception(); |
---|
| 50 | } |
---|
| 51 | |
---|
| 52 | isNormalized = false; |
---|
| 53 | |
---|
| 54 | // 1) soft XS table |
---|
| 55 | softCrossSections = new G4PhysicsTable(); |
---|
| 56 | //the table contains 3 G4PhysicsFreeVectors, |
---|
| 57 | //(softCrossSections)[0] --> log XS0 vs. log E |
---|
| 58 | //(softCrossSections)[1] --> log XS1 vs. log E |
---|
| 59 | //(softCrossSections)[2] --> log XS2 vs. log E |
---|
| 60 | |
---|
| 61 | //everything is log-log |
---|
| 62 | for (size_t i=0;i<3;i++) |
---|
| 63 | softCrossSections->push_back(new G4PhysicsFreeVector(numberOfEnergyPoints)); |
---|
| 64 | |
---|
| 65 | //2) hard XS table |
---|
| 66 | hardCrossSections = new G4PhysicsTable(); |
---|
| 67 | //the table contains 3 G4PhysicsFreeVectors, |
---|
| 68 | //(hardCrossSections)[0] --> log XH0 vs. log E |
---|
| 69 | //(hardCrossSections)[1] --> log XH1 vs. log E |
---|
| 70 | //(hardCrossSections)[2] --> log XH2 vs. log E |
---|
| 71 | |
---|
| 72 | //everything is log-log |
---|
| 73 | for (size_t i=0;i<3;i++) |
---|
| 74 | hardCrossSections->push_back(new G4PhysicsFreeVector(numberOfEnergyPoints)); |
---|
| 75 | |
---|
| 76 | //3) shell XS table, if it is the case |
---|
| 77 | if (numberOfShells) |
---|
| 78 | { |
---|
| 79 | shellCrossSections = new G4PhysicsTable(); |
---|
| 80 | //the table has to contain numberofShells G4PhysicsFreeVectors, |
---|
| 81 | //(theTable)[ishell] --> cross section for shell #ishell |
---|
| 82 | for (size_t i=0;i<numberOfShells;i++) |
---|
| 83 | shellCrossSections->push_back(new G4PhysicsFreeVector(numberOfEnergyPoints)); |
---|
| 84 | } |
---|
| 85 | } |
---|
| 86 | |
---|
| 87 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo... |
---|
| 88 | G4PenelopeCrossSection::~G4PenelopeCrossSection() |
---|
| 89 | { |
---|
| 90 | //clean up tables |
---|
| 91 | if (shellCrossSections) |
---|
| 92 | { |
---|
| 93 | shellCrossSections->clearAndDestroy(); |
---|
| 94 | delete shellCrossSections; |
---|
| 95 | } |
---|
| 96 | if (softCrossSections) |
---|
| 97 | { |
---|
| 98 | softCrossSections->clearAndDestroy(); |
---|
| 99 | delete softCrossSections; |
---|
| 100 | } |
---|
| 101 | if (hardCrossSections) |
---|
| 102 | { |
---|
| 103 | hardCrossSections->clearAndDestroy(); |
---|
| 104 | delete hardCrossSections; |
---|
| 105 | } |
---|
| 106 | } |
---|
| 107 | |
---|
| 108 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo... |
---|
| 109 | void G4PenelopeCrossSection::AddCrossSectionPoint(size_t binNumber,G4double energy, |
---|
| 110 | G4double XH0, |
---|
| 111 | G4double XH1, G4double XH2, |
---|
| 112 | G4double XS0, G4double XS1, |
---|
| 113 | G4double XS2) |
---|
| 114 | { |
---|
| 115 | if (!softCrossSections || !hardCrossSections) |
---|
| 116 | { |
---|
| 117 | G4cout << "Something wrong in G4PenelopeCrossSection::AddCrossSectionPoint" << |
---|
| 118 | G4endl; |
---|
| 119 | G4cout << "Trying to fill un-initialized tables" << G4endl; |
---|
| 120 | return; |
---|
| 121 | } |
---|
| 122 | |
---|
| 123 | //fill vectors |
---|
| 124 | G4PhysicsFreeVector* theVector = (G4PhysicsFreeVector*) (*softCrossSections)[0]; |
---|
| 125 | |
---|
| 126 | if (binNumber >= numberOfEnergyPoints) |
---|
| 127 | { |
---|
| 128 | G4cout << "Something wrong in G4PenelopeCrossSection::AddCrossSectionPoint" << |
---|
| 129 | G4endl; |
---|
| 130 | G4cout << "Trying to register more points than originally declared" << G4endl; |
---|
| 131 | return; |
---|
| 132 | } |
---|
| 133 | G4double logEne = std::log(energy); |
---|
| 134 | |
---|
| 135 | //XS0 |
---|
| 136 | G4double val = std::log(std::max(XS0,1e-42*cm2)); //avoid log(0) |
---|
| 137 | theVector->PutValue(binNumber,logEne,val); |
---|
| 138 | |
---|
| 139 | //XS1 |
---|
| 140 | theVector = (G4PhysicsFreeVector*) (*softCrossSections)[1]; |
---|
| 141 | val = std::log(std::max(XS1,1e-42*eV*cm2)); //avoid log(0) |
---|
| 142 | theVector->PutValue(binNumber,logEne,val); |
---|
| 143 | |
---|
| 144 | //XS2 |
---|
| 145 | theVector = (G4PhysicsFreeVector*) (*softCrossSections)[2]; |
---|
| 146 | val = std::log(std::max(XS2,1e-42*eV*eV*cm2)); //avoid log(0) |
---|
| 147 | theVector->PutValue(binNumber,logEne,val); |
---|
| 148 | |
---|
| 149 | //XH0 |
---|
| 150 | theVector = (G4PhysicsFreeVector*) (*hardCrossSections)[0]; |
---|
| 151 | val = std::log(std::max(XH0,1e-42*cm2)); //avoid log(0) |
---|
| 152 | theVector->PutValue(binNumber,logEne,val); |
---|
| 153 | |
---|
| 154 | //XH1 |
---|
| 155 | theVector = (G4PhysicsFreeVector*) (*hardCrossSections)[1]; |
---|
| 156 | val = std::log(std::max(XH1,1e-42*eV*cm2)); //avoid log(0) |
---|
| 157 | theVector->PutValue(binNumber,logEne,val); |
---|
| 158 | |
---|
| 159 | //XH2 |
---|
| 160 | theVector = (G4PhysicsFreeVector*) (*hardCrossSections)[2]; |
---|
| 161 | val = std::log(std::max(XH2,1e-42*eV*eV*cm2)); //avoid log(0) |
---|
| 162 | theVector->PutValue(binNumber,logEne,val); |
---|
| 163 | |
---|
| 164 | return; |
---|
| 165 | } |
---|
| 166 | |
---|
| 167 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo... |
---|
| 168 | |
---|
| 169 | void G4PenelopeCrossSection::AddShellCrossSectionPoint(size_t binNumber, |
---|
| 170 | size_t shellID, |
---|
| 171 | G4double energy, |
---|
| 172 | G4double xs) |
---|
| 173 | { |
---|
| 174 | if (!shellCrossSections) |
---|
| 175 | { |
---|
| 176 | G4cout << "Something wrong in G4PenelopeCrossSection::AddShellCrossSectionPoint" << |
---|
| 177 | G4endl; |
---|
| 178 | G4cout << "Trying to fill un-initialized table" << G4endl; |
---|
| 179 | return; |
---|
| 180 | } |
---|
| 181 | |
---|
| 182 | if (shellID >= numberOfShells) |
---|
| 183 | { |
---|
| 184 | G4cout << "Something wrong in G4PenelopeCrossSection::AddShellCrossSectionPoint" << |
---|
| 185 | G4endl; |
---|
| 186 | G4cout << "Trying to fill shell #" << shellID << " while the maximum is " |
---|
| 187 | << numberOfShells-1 << G4endl; |
---|
| 188 | return; |
---|
| 189 | } |
---|
| 190 | |
---|
| 191 | //fill vector |
---|
| 192 | G4PhysicsFreeVector* theVector = (G4PhysicsFreeVector*) (*shellCrossSections)[shellID]; |
---|
| 193 | |
---|
| 194 | if (binNumber >= numberOfEnergyPoints) |
---|
| 195 | { |
---|
| 196 | G4cout << "Something wrong in G4PenelopeCrossSection::AddShellCrossSectionPoint" << |
---|
| 197 | G4endl; |
---|
| 198 | G4cout << "Trying to register more points than originally declared" << G4endl; |
---|
| 199 | return; |
---|
| 200 | } |
---|
| 201 | G4double logEne = std::log(energy); |
---|
| 202 | G4double val = std::log(std::max(xs,1e-42*cm2)); //avoid log(0) |
---|
| 203 | theVector->PutValue(binNumber,logEne,val); |
---|
| 204 | |
---|
| 205 | return; |
---|
| 206 | } |
---|
| 207 | |
---|
| 208 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo... |
---|
| 209 | |
---|
| 210 | G4double G4PenelopeCrossSection::GetTotalCrossSection(G4double energy) |
---|
| 211 | { |
---|
| 212 | G4double result = 0; |
---|
| 213 | //take here XS0 + XH0 |
---|
| 214 | if (!softCrossSections || !hardCrossSections) |
---|
| 215 | { |
---|
| 216 | G4cout << "Something wrong in G4PenelopeCrossSection::GetTotalCrossSection" << |
---|
| 217 | G4endl; |
---|
| 218 | G4cout << "Trying to retrieve from un-initialized tables" << G4endl; |
---|
| 219 | return result; |
---|
| 220 | } |
---|
| 221 | |
---|
| 222 | // 1) soft part |
---|
| 223 | G4PhysicsFreeVector* theVector = (G4PhysicsFreeVector*) (*softCrossSections)[0]; |
---|
| 224 | if (theVector->GetVectorLength() < numberOfEnergyPoints) |
---|
| 225 | { |
---|
| 226 | G4cout << "Something wrong in G4PenelopeCrossSection::GetTotalCrossSection" << |
---|
| 227 | G4endl; |
---|
| 228 | G4cout << "Soft cross section table looks not filled" << G4endl; |
---|
| 229 | return result; |
---|
| 230 | } |
---|
| 231 | G4double logene = std::log(energy); |
---|
| 232 | G4double logXS = theVector->Value(logene); |
---|
| 233 | G4double softXS = std::exp(logXS); |
---|
| 234 | |
---|
| 235 | // 2) hard part |
---|
| 236 | theVector = (G4PhysicsFreeVector*) (*hardCrossSections)[0]; |
---|
| 237 | if (theVector->GetVectorLength() < numberOfEnergyPoints) |
---|
| 238 | { |
---|
| 239 | G4cout << "Something wrong in G4PenelopeCrossSection::GetTotalCrossSection" << |
---|
| 240 | G4endl; |
---|
| 241 | G4cout << "Hard cross section table looks not filled" << G4endl; |
---|
| 242 | return result; |
---|
| 243 | } |
---|
| 244 | logXS = theVector->Value(logene); |
---|
| 245 | G4double hardXS = std::exp(logXS); |
---|
| 246 | |
---|
| 247 | result = hardXS + softXS; |
---|
| 248 | return result; |
---|
| 249 | |
---|
| 250 | } |
---|
| 251 | |
---|
| 252 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo... |
---|
| 253 | |
---|
| 254 | G4double G4PenelopeCrossSection::GetHardCrossSection(G4double energy) |
---|
| 255 | { |
---|
| 256 | G4double result = 0; |
---|
| 257 | //take here XH0 |
---|
| 258 | if (!hardCrossSections) |
---|
| 259 | { |
---|
| 260 | G4cout << "Something wrong in G4PenelopeCrossSection::GetHardCrossSection" << |
---|
| 261 | G4endl; |
---|
| 262 | G4cout << "Trying to retrieve from un-initialized tables" << G4endl; |
---|
| 263 | return result; |
---|
| 264 | } |
---|
| 265 | |
---|
| 266 | G4PhysicsFreeVector* theVector = (G4PhysicsFreeVector*) (*hardCrossSections)[0]; |
---|
| 267 | if (theVector->GetVectorLength() < numberOfEnergyPoints) |
---|
| 268 | { |
---|
| 269 | G4cout << "Something wrong in G4PenelopeCrossSection::GetHardCrossSection" << |
---|
| 270 | G4endl; |
---|
| 271 | G4cout << "Hard cross section table looks not filled" << G4endl; |
---|
| 272 | return result; |
---|
| 273 | } |
---|
| 274 | G4double logene = std::log(energy); |
---|
| 275 | G4double logXS = theVector->Value(logene); |
---|
| 276 | result = std::exp(logXS); |
---|
| 277 | |
---|
| 278 | return result; |
---|
| 279 | } |
---|
| 280 | |
---|
| 281 | |
---|
| 282 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo... |
---|
| 283 | |
---|
| 284 | G4double G4PenelopeCrossSection::GetSoftStoppingPower(G4double energy) |
---|
| 285 | { |
---|
| 286 | G4double result = 0; |
---|
| 287 | //take here XH0 |
---|
| 288 | if (!softCrossSections) |
---|
| 289 | { |
---|
| 290 | G4cout << "Something wrong in G4PenelopeCrossSection::GetSoftStoppingPower" << |
---|
| 291 | G4endl; |
---|
| 292 | G4cout << "Trying to retrieve from un-initialized tables" << G4endl; |
---|
| 293 | return result; |
---|
| 294 | } |
---|
| 295 | |
---|
| 296 | G4PhysicsFreeVector* theVector = (G4PhysicsFreeVector*) (*softCrossSections)[1]; |
---|
| 297 | if (theVector->GetVectorLength() < numberOfEnergyPoints) |
---|
| 298 | { |
---|
| 299 | G4cout << "Something wrong in G4PenelopeCrossSection::GetSoftStoppingPower" << |
---|
| 300 | G4endl; |
---|
| 301 | G4cout << "Soft cross section table looks not filled" << G4endl; |
---|
| 302 | return result; |
---|
| 303 | } |
---|
| 304 | G4double logene = std::log(energy); |
---|
| 305 | G4double logXS = theVector->Value(logene); |
---|
| 306 | result = std::exp(logXS); |
---|
| 307 | |
---|
| 308 | return result; |
---|
| 309 | } |
---|
| 310 | |
---|
| 311 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.. |
---|
| 312 | |
---|
| 313 | G4double G4PenelopeCrossSection::GetShellCrossSection(size_t shellID,G4double energy) |
---|
| 314 | { |
---|
| 315 | G4double result = 0; |
---|
| 316 | if (!shellCrossSections) |
---|
| 317 | { |
---|
| 318 | G4cout << "Something wrong in G4PenelopeCrossSection::GetShellCrossSection" << |
---|
| 319 | G4endl; |
---|
| 320 | G4cout << "Trying to retrieve from un-initialized tables" << G4endl; |
---|
| 321 | return result; |
---|
| 322 | } |
---|
| 323 | if (shellID >= numberOfShells) |
---|
| 324 | { |
---|
| 325 | G4cout << "Something wrong in G4PenelopeCrossSection::GetShellCrossSection" << |
---|
| 326 | G4endl; |
---|
| 327 | G4cout << "Trying to retrieve shell #" << shellID << " while the maximum is " |
---|
| 328 | << numberOfShells-1 << G4endl; |
---|
| 329 | return result; |
---|
| 330 | } |
---|
| 331 | |
---|
| 332 | G4PhysicsFreeVector* theVector = (G4PhysicsFreeVector*) (*shellCrossSections)[shellID]; |
---|
| 333 | |
---|
| 334 | if (theVector->GetVectorLength() < numberOfEnergyPoints) |
---|
| 335 | { |
---|
| 336 | G4cout << "Something wrong in G4PenelopeCrossSection::GetShellCrossSection" << |
---|
| 337 | G4endl; |
---|
| 338 | G4cout << "Soft cross section table looks not filled" << G4endl; |
---|
| 339 | return result; |
---|
| 340 | } |
---|
| 341 | G4double logene = std::log(energy); |
---|
| 342 | G4double logXS = theVector->Value(logene); |
---|
| 343 | result = std::exp(logXS); |
---|
| 344 | |
---|
| 345 | return result; |
---|
| 346 | } |
---|
| 347 | |
---|
| 348 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.. |
---|
| 349 | |
---|
| 350 | void G4PenelopeCrossSection::NormalizeShellCrossSections() |
---|
| 351 | { |
---|
| 352 | if (isNormalized) //already done! |
---|
| 353 | { |
---|
| 354 | G4cout << "G4PenelopeCrossSection::NormalizeShellCrossSections()" << G4endl; |
---|
| 355 | G4cout << "already invoked. Ignore it" << G4endl; |
---|
| 356 | return; |
---|
| 357 | } |
---|
| 358 | |
---|
| 359 | for (size_t i=0;i<numberOfEnergyPoints;i++) //loop on energy |
---|
| 360 | { |
---|
| 361 | //energy grid is the same for all shells |
---|
| 362 | |
---|
| 363 | //Recalculate manually the XS factor, to avoid problems with |
---|
| 364 | //underflows |
---|
| 365 | G4double normFactor = 0.; |
---|
| 366 | for (size_t shellID=0;shellID<numberOfShells;shellID++) |
---|
| 367 | { |
---|
| 368 | G4PhysicsFreeVector* theVec = |
---|
| 369 | (G4PhysicsFreeVector*) (*shellCrossSections)[shellID]; |
---|
| 370 | |
---|
| 371 | normFactor += std::exp((*theVec)[i]); |
---|
| 372 | } |
---|
| 373 | G4double logNormFactor = std::log(normFactor); |
---|
| 374 | //Normalize |
---|
| 375 | for (size_t shellID=0;shellID<numberOfShells;shellID++) |
---|
| 376 | { |
---|
| 377 | G4PhysicsFreeVector* theVec = |
---|
| 378 | (G4PhysicsFreeVector*) (*shellCrossSections)[shellID]; |
---|
| 379 | G4double previousValue = (*theVec)[i]; //log(XS) |
---|
| 380 | G4double logEnergy = theVec->GetLowEdgeEnergy(i); |
---|
| 381 | //log(XS/normFactor) = log(XS) - log(normFactor) |
---|
| 382 | theVec->PutValue(i,logEnergy,previousValue-logNormFactor); |
---|
| 383 | } |
---|
| 384 | } |
---|
| 385 | |
---|
| 386 | isNormalized = true; |
---|
| 387 | |
---|
| 388 | |
---|
| 389 | /* |
---|
| 390 | //TESTING |
---|
| 391 | for (size_t shellID=0;shellID<numberOfShells;shellID++) |
---|
| 392 | { |
---|
| 393 | G4cout << "SHELL " << shellID << G4endl; |
---|
| 394 | G4PhysicsFreeVector* theVec = |
---|
| 395 | (G4PhysicsFreeVector*) (*shellCrossSections)[shellID]; |
---|
| 396 | for (size_t i=0;i<numberOfEnergyPoints;i++) //loop on energy |
---|
| 397 | { |
---|
| 398 | G4double logene = theVec->GetLowEdgeEnergy(i); |
---|
| 399 | G4cout << std::exp(logene)/MeV << " " << std::exp((*theVec)[i]) << G4endl; |
---|
| 400 | } |
---|
| 401 | } |
---|
| 402 | */ |
---|
| 403 | |
---|
| 404 | return; |
---|
| 405 | } |
---|