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26 // 26 //
27 // ------------------------------------------- 27 // --------------------------------------------------------------
28 // 28 //
29 // File name: G4PenelopeBremsstrahlungAngu 29 // File name: G4PenelopeBremsstrahlungAngular
30 // 30 //
31 // Author: Luciano Pandola 31 // Author: Luciano Pandola
32 // 32 //
33 // Creation date: November 2010 33 // Creation date: November 2010
34 // 34 //
35 // History: 35 // History:
36 // ----------- 36 // -----------
37 // 23 Nov 2010 L. Pandola 1st implement 37 // 23 Nov 2010 L. Pandola 1st implementation
38 // 24 May 2011 L. Pandola Renamed (make 38 // 24 May 2011 L. Pandola Renamed (make v2008 as default Penelope)
39 // 13 Mar 2012 L. Pandola Made a derive 39 // 13 Mar 2012 L. Pandola Made a derived class of G4VEmAngularDistribution
40 // and update th 40 // and update the interface accordingly
41 // 18 Jul 2012 L. Pandola Migrated to t 41 // 18 Jul 2012 L. Pandola Migrated to the new basic interface of G4VEmAngularDistribution
42 // Now returns a 42 // Now returns a G4ThreeVector and takes care of the rotation
43 // 03 Oct 2013 L. Pandola Migrated to M 43 // 03 Oct 2013 L. Pandola Migrated to MT: only the master model handles tables
44 // 17 Oct 2013 L. Pandola Partially rev 44 // 17 Oct 2013 L. Pandola Partially revert MT migration. The angular generator is kept as
45 // thread-local 45 // thread-local, and each worker has full access to it.
46 // 46 //
47 //-------------------------------------------- 47 //----------------------------------------------------------------
48 48
49 #include "G4PenelopeBremsstrahlungAngular.hh" 49 #include "G4PenelopeBremsstrahlungAngular.hh"
50 50
51 #include "globals.hh" 51 #include "globals.hh"
52 #include "G4PhysicalConstants.hh" 52 #include "G4PhysicalConstants.hh"
53 #include "G4SystemOfUnits.hh" 53 #include "G4SystemOfUnits.hh"
54 #include "G4PhysicsFreeVector.hh" 54 #include "G4PhysicsFreeVector.hh"
55 #include "G4PhysicsTable.hh" 55 #include "G4PhysicsTable.hh"
56 #include "G4Material.hh" 56 #include "G4Material.hh"
57 #include "Randomize.hh" 57 #include "Randomize.hh"
58 #include "G4Exp.hh" 58 #include "G4Exp.hh"
59 59
60 G4PenelopeBremsstrahlungAngular::G4PenelopeBre 60 G4PenelopeBremsstrahlungAngular::G4PenelopeBremsstrahlungAngular() :
61 G4VEmAngularDistribution("Penelope"), fEffec << 61 G4VEmAngularDistribution("Penelope"), theEffectiveZSq(0),
62 fLorentzTables1(nullptr),fLorentzTables2(nul << 62 theLorentzTables1(0),theLorentzTables2(0)
63 63
64 { 64 {
65 fDataRead = false; << 65 dataRead = false;
66 fVerbosityLevel = 0; << 66 verbosityLevel = 0;
67 } 67 }
68 68
69 //....oooOO0OOooo........oooOO0OOooo........oo 69 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
70 70
71 G4PenelopeBremsstrahlungAngular::~G4PenelopeBr 71 G4PenelopeBremsstrahlungAngular::~G4PenelopeBremsstrahlungAngular()
72 { 72 {
73 ClearTables(); 73 ClearTables();
74 } 74 }
75 75
76 //....oooOO0OOooo........oooOO0OOooo........oo 76 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
77 77
78 void G4PenelopeBremsstrahlungAngular::Initiali 78 void G4PenelopeBremsstrahlungAngular::Initialize()
79 { 79 {
80 ClearTables(); 80 ClearTables();
81 } 81 }
82 82
83 //....oooOO0OOooo........oooOO0OOooo........oo 83 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
84 84
85 void G4PenelopeBremsstrahlungAngular::ClearTab 85 void G4PenelopeBremsstrahlungAngular::ClearTables()
86 { 86 {
87 if (fLorentzTables1) << 87 if (theLorentzTables1)
88 { 88 {
89 for (auto j=fLorentzTables1->begin(); j << 89 for (auto j = theLorentzTables1->begin(); j != theLorentzTables1->end(); j++)
90 { 90 {
91 G4PhysicsTable* tab = j->second; 91 G4PhysicsTable* tab = j->second;
92 tab->clearAndDestroy(); << 92 //tab->clearAndDestroy();
93 delete tab; 93 delete tab;
94 } 94 }
95 fLorentzTables1->clear(); << 95 delete theLorentzTables1;
96 delete fLorentzTables1; << 96 theLorentzTables1 = nullptr;
97 fLorentzTables1 = nullptr; <<
98 } 97 }
99 98
100 if (fLorentzTables2) << 99 if (theLorentzTables2)
101 { 100 {
102 for (auto j=fLorentzTables2->begin(); j << 101 for (auto j=theLorentzTables2->begin(); j != theLorentzTables2->end(); j++)
103 { 102 {
104 G4PhysicsTable* tab = j->second; 103 G4PhysicsTable* tab = j->second;
105 tab->clearAndDestroy(); << 104 //tab->clearAndDestroy();
106 delete tab; 105 delete tab;
107 } 106 }
108 fLorentzTables2->clear(); << 107 delete theLorentzTables2;
109 delete fLorentzTables2; << 108 theLorentzTables2 = nullptr;
110 fLorentzTables2 = nullptr; <<
111 } 109 }
112 if (fEffectiveZSq) << 110 if (theEffectiveZSq)
113 { 111 {
114 delete fEffectiveZSq; << 112 delete theEffectiveZSq;
115 fEffectiveZSq = nullptr; << 113 theEffectiveZSq = nullptr;
116 } 114 }
117 } 115 }
118 116
119 //....oooOO0OOooo........oooOO0OOooo........oo 117 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
120 118
121 void G4PenelopeBremsstrahlungAngular::ReadData 119 void G4PenelopeBremsstrahlungAngular::ReadDataFile()
122 { 120 {
123 //Read information from DataBase file 121 //Read information from DataBase file
124 const char* path = G4FindDataDir("G4LEDATA") << 122 char* path = std::getenv("G4LEDATA");
125 if (!path) 123 if (!path)
126 { 124 {
127 G4String excep = 125 G4String excep =
128 "G4PenelopeBremsstrahlungAngular - G4LEDATA 126 "G4PenelopeBremsstrahlungAngular - G4LEDATA environment variable not set!";
129 G4Exception("G4PenelopeBremsstrahlungAng 127 G4Exception("G4PenelopeBremsstrahlungAngular::ReadDataFile()",
130 "em0006",FatalException,excep); 128 "em0006",FatalException,excep);
131 return; 129 return;
132 } 130 }
133 G4String pathString(path); 131 G4String pathString(path);
134 G4String pathFile = pathString + "/penelope/ 132 G4String pathFile = pathString + "/penelope/bremsstrahlung/pdbrang.p08";
135 std::ifstream file(pathFile); 133 std::ifstream file(pathFile);
136 134
137 if (!file.is_open()) 135 if (!file.is_open())
138 { 136 {
139 G4String excep = "G4PenelopeBremsstrahlu 137 G4String excep = "G4PenelopeBremsstrahlungAngular - data file " + pathFile + " not found!";
140 G4Exception("G4PenelopeBremsstrahlungAng 138 G4Exception("G4PenelopeBremsstrahlungAngular::ReadDataFile()",
141 "em0003",FatalException,excep); 139 "em0003",FatalException,excep);
142 return; 140 return;
143 } 141 }
144 G4int i=0,j=0,k=0; // i=index for Z, j=index 142 G4int i=0,j=0,k=0; // i=index for Z, j=index for E, k=index for K
145 143
146 for (k=0;k<fNumberofKPoints;k++) << 144 for (k=0;k<NumberofKPoints;k++)
147 for (i=0;i<fNumberofZPoints;i++) << 145 for (i=0;i<NumberofZPoints;i++)
148 for (j=0;j<fNumberofEPoints;j++) << 146 for (j=0;j<NumberofEPoints;j++)
149 { 147 {
150 G4double a1,a2; 148 G4double a1,a2;
151 G4int ik1,iz1,ie1; 149 G4int ik1,iz1,ie1;
152 G4double zr,er,kr; 150 G4double zr,er,kr;
153 file >> iz1 >> ie1 >> ik1 >> zr >> er >> k 151 file >> iz1 >> ie1 >> ik1 >> zr >> er >> kr >> a1 >> a2;
154 //check the data are correct 152 //check the data are correct
155 if ((iz1-1 == i) && (ik1-1 == k) && (ie1-1 153 if ((iz1-1 == i) && (ik1-1 == k) && (ie1-1 == j))
156 { 154 {
157 fQQ1[i][j][k]=a1; << 155 QQ1[i][j][k]=a1;
158 fQQ2[i][j][k]=a2; << 156 QQ2[i][j][k]=a2;
159 } 157 }
160 else 158 else
161 { 159 {
162 G4ExceptionDescription ed; 160 G4ExceptionDescription ed;
163 ed << "Corrupted data file " << pathFi 161 ed << "Corrupted data file " << pathFile << "?" << G4endl;
164 G4Exception("G4PenelopeBremsstrahlungA 162 G4Exception("G4PenelopeBremsstrahlungAngular::ReadDataFile()",
165 "em0005",FatalException,ed); 163 "em0005",FatalException,ed);
166 } 164 }
167 } 165 }
168 file.close(); 166 file.close();
169 fDataRead = true; << 167 dataRead = true;
170 } 168 }
171 169
172 //....oooOO0OOooo........oooOO0OOooo........oo 170 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
173 171
174 void G4PenelopeBremsstrahlungAngular::PrepareT 172 void G4PenelopeBremsstrahlungAngular::PrepareTables(const G4Material* material,G4bool /*isMaster*/ )
175 { 173 {
176 //Unused at the moment: the G4PenelopeBremss 174 //Unused at the moment: the G4PenelopeBremsstrahlungAngular is thread-local, so each worker
177 //builds its own version of the tables. 175 //builds its own version of the tables.
178 << 176 /*
>> 177 if (!isMaster)
>> 178 //Should not be here!
>> 179 G4Exception("G4PenelopeBremsstrahlungAngular::PrepareTables()",
>> 180 "em0100",FatalException,"Worker thread in this method");
>> 181 */
>> 182
179 //Check if data file has already been read 183 //Check if data file has already been read
180 if (!fDataRead) << 184 if (!dataRead)
181 { 185 {
182 ReadDataFile(); 186 ReadDataFile();
183 if (!fDataRead) << 187 if (!dataRead)
184 G4Exception("G4PenelopeBremsstrahlungAngular 188 G4Exception("G4PenelopeBremsstrahlungAngular::PrepareInterpolationTables()",
185 "em2001",FatalException,"Unable to bui 189 "em2001",FatalException,"Unable to build interpolation table");
186 } 190 }
187 191
188 if (!fLorentzTables1) << 192 if (!theLorentzTables1)
189 fLorentzTables1 = new std::map<G4double, << 193 theLorentzTables1 = new std::map<G4double,G4PhysicsTable*>;
190 if (!fLorentzTables2) << 194 if (!theLorentzTables2)
191 fLorentzTables2 = new std::map<G4double,G4 << 195 theLorentzTables2 = new std::map<G4double,G4PhysicsTable*>;
192 196
193 G4double Zmat = CalculateEffectiveZ(material 197 G4double Zmat = CalculateEffectiveZ(material);
194 198
195 const G4int reducedEnergyGrid=21; 199 const G4int reducedEnergyGrid=21;
196 //Support arrays. 200 //Support arrays.
197 G4double betas[fNumberofEPoints]; //betas fo << 201 G4double betas[NumberofEPoints]; //betas for interpolation
198 //tables for interpolation 202 //tables for interpolation
199 G4double Q1[fNumberofEPoints][fNumberofKPoin << 203 G4double Q1[NumberofEPoints][NumberofKPoints];
200 G4double Q2[fNumberofEPoints][fNumberofKPoin << 204 G4double Q2[NumberofEPoints][NumberofKPoints];
201 //expanded tables for interpolation 205 //expanded tables for interpolation
202 G4double Q1E[fNumberofEPoints][reducedEnergy << 206 G4double Q1E[NumberofEPoints][reducedEnergyGrid];
203 G4double Q2E[fNumberofEPoints][reducedEnergy << 207 G4double Q2E[NumberofEPoints][reducedEnergyGrid];
204 G4double pZ[fNumberofZPoints] = {2.0,8.0,13. << 208 G4double pZ[NumberofZPoints] = {2.0,8.0,13.0,47.0,79.0,92.0};
205 209
206 G4int i=0,j=0,k=0; // i=index for Z, j=index 210 G4int i=0,j=0,k=0; // i=index for Z, j=index for E, k=index for K
207 //Interpolation in Z 211 //Interpolation in Z
208 for (i=0;i<fNumberofEPoints;i++) << 212 for (i=0;i<NumberofEPoints;i++)
209 { 213 {
210 for (j=0;j<fNumberofKPoints;j++) << 214 for (j=0;j<NumberofKPoints;j++)
211 { 215 {
212 G4PhysicsFreeVector* QQ1vector = << 216 G4PhysicsFreeVector* QQ1vector = new G4PhysicsFreeVector(NumberofZPoints);
213 new G4PhysicsFreeVector(fNumberofZPoints << 217 G4PhysicsFreeVector* QQ2vector = new G4PhysicsFreeVector(NumberofZPoints);
214 G4PhysicsFreeVector* QQ2vector = <<
215 new G4PhysicsFreeVector(fNumberofZPoints <<
216 218
217 //fill vectors 219 //fill vectors
218 for (k=0;k<fNumberofZPoints;k++) << 220 for (k=0;k<NumberofZPoints;k++)
219 { 221 {
220 QQ1vector->PutValues(k,pZ[k],G4Log(fQQ << 222 QQ1vector->PutValue(k,pZ[k],std::log(QQ1[k][i][j]));
221 QQ2vector->PutValues(k,pZ[k],fQQ2[k][i << 223 QQ2vector->PutValue(k,pZ[k],QQ2[k][i][j]);
222 } 224 }
223 //Filled: now calculate derivatives << 225
224 QQ1vector->FillSecondDerivatives(); << 226 QQ1vector->SetSpline(true);
225 QQ2vector->FillSecondDerivatives(); << 227 QQ2vector->SetSpline(true);
226 228
227 Q1[i][j]= G4Exp(QQ1vector->Value(Zmat)); 229 Q1[i][j]= G4Exp(QQ1vector->Value(Zmat));
228 Q2[i][j]=QQ2vector->Value(Zmat); 230 Q2[i][j]=QQ2vector->Value(Zmat);
229 delete QQ1vector; 231 delete QQ1vector;
230 delete QQ2vector; 232 delete QQ2vector;
231 } 233 }
232 } 234 }
233 G4double pE[fNumberofEPoints] = {1.0e-03*MeV << 235 G4double pE[NumberofEPoints] = {1.0e-03*MeV,5.0e-03*MeV,1.0e-02*MeV,5.0e-02*MeV,
234 1.0e-01*MeV,5.0e-01*MeV}; 236 1.0e-01*MeV,5.0e-01*MeV};
235 G4double pK[fNumberofKPoints] = {0.0,0.6,0.8 << 237 G4double pK[NumberofKPoints] = {0.0,0.6,0.8,0.95};
236 G4double ppK[reducedEnergyGrid]; 238 G4double ppK[reducedEnergyGrid];
237 239
238 for(i=0;i<reducedEnergyGrid;i++) 240 for(i=0;i<reducedEnergyGrid;i++)
239 ppK[i]=((G4double) i) * 0.05; 241 ppK[i]=((G4double) i) * 0.05;
240 242
241 243
242 for(i=0;i<fNumberofEPoints;i++) << 244 for(i=0;i<NumberofEPoints;i++)
243 betas[i]=std::sqrt(pE[i]*(pE[i]+2*electron 245 betas[i]=std::sqrt(pE[i]*(pE[i]+2*electron_mass_c2))/(pE[i]+electron_mass_c2);
244 246
245 247
246 for (i=0;i<fNumberofEPoints;i++) << 248 for (i=0;i<NumberofEPoints;i++)
247 { 249 {
248 for (j=0;j<fNumberofKPoints;j++) << 250 for (j=0;j<NumberofKPoints;j++)
249 Q1[i][j]=Q1[i][j]/Zmat; 251 Q1[i][j]=Q1[i][j]/Zmat;
250 } 252 }
251 253
252 //Expanded table of distribution parameters 254 //Expanded table of distribution parameters
253 for (i=0;i<fNumberofEPoints;i++) << 255 for (i=0;i<NumberofEPoints;i++)
254 { 256 {
255 G4PhysicsFreeVector* Q1vector = new G4Ph << 257 G4PhysicsFreeVector* Q1vector = new G4PhysicsFreeVector(NumberofKPoints);
256 G4PhysicsFreeVector* Q2vector = new G4Ph << 258 G4PhysicsFreeVector* Q2vector = new G4PhysicsFreeVector(NumberofKPoints);
257 259
258 for (j=0;j<fNumberofKPoints;j++) << 260 for (j=0;j<NumberofKPoints;j++)
259 { 261 {
260 Q1vector->PutValues(j,pK[j],G4Log(Q1[i][j] << 262 Q1vector->PutValue(j,pK[j],std::log(Q1[i][j])); //logarithmic
261 Q2vector->PutValues(j,pK[j],Q2[i][j]); << 263 Q2vector->PutValue(j,pK[j],Q2[i][j]);
262 } 264 }
263 265
264 for (j=0;j<reducedEnergyGrid;j++) 266 for (j=0;j<reducedEnergyGrid;j++)
265 { 267 {
266 Q1E[i][j]=Q1vector->Value(ppK[j]); 268 Q1E[i][j]=Q1vector->Value(ppK[j]);
267 Q2E[i][j]=Q2vector->Value(ppK[j]); 269 Q2E[i][j]=Q2vector->Value(ppK[j]);
268 } 270 }
269 delete Q1vector; 271 delete Q1vector;
270 delete Q2vector; 272 delete Q2vector;
271 } 273 }
272 // 274 //
273 //TABLES to be stored 275 //TABLES to be stored
274 // 276 //
275 G4PhysicsTable* theTable1 = new G4PhysicsTab 277 G4PhysicsTable* theTable1 = new G4PhysicsTable();
276 G4PhysicsTable* theTable2 = new G4PhysicsTab 278 G4PhysicsTable* theTable2 = new G4PhysicsTable();
277 // the table will contain reducedEnergyGrid 279 // the table will contain reducedEnergyGrid G4PhysicsFreeVectors with different
278 // values of k, 280 // values of k,
279 // Each of the G4PhysicsFreeVectors has a pr 281 // Each of the G4PhysicsFreeVectors has a profile of
280 // y vs. E 282 // y vs. E
281 // 283 //
282 //reserve space of the vectors. 284 //reserve space of the vectors.
283 for (j=0;j<reducedEnergyGrid;j++) 285 for (j=0;j<reducedEnergyGrid;j++)
284 { 286 {
285 G4PhysicsFreeVector* thevec = new G4Phys << 287 G4PhysicsFreeVector* thevec = new G4PhysicsFreeVector(NumberofEPoints);
286 theTable1->push_back(thevec); 288 theTable1->push_back(thevec);
287 G4PhysicsFreeVector* thevec2 = new G4Phy << 289 G4PhysicsFreeVector* thevec2 = new G4PhysicsFreeVector(NumberofEPoints);
288 theTable2->push_back(thevec2); 290 theTable2->push_back(thevec2);
289 } 291 }
290 292
291 for (j=0;j<reducedEnergyGrid;j++) 293 for (j=0;j<reducedEnergyGrid;j++)
292 { 294 {
293 G4PhysicsFreeVector* thevec = (G4Physics 295 G4PhysicsFreeVector* thevec = (G4PhysicsFreeVector*) (*theTable1)[j];
294 G4PhysicsFreeVector* thevec2 = (G4Physic 296 G4PhysicsFreeVector* thevec2 = (G4PhysicsFreeVector*) (*theTable2)[j];
295 for (i=0;i<fNumberofEPoints;i++) << 297 for (i=0;i<NumberofEPoints;i++)
296 { 298 {
297 thevec->PutValues(i,betas[i],Q1E[i][j]); << 299 thevec->PutValue(i,betas[i],Q1E[i][j]);
298 thevec2->PutValues(i,betas[i],Q2E[i][j]); << 300 thevec2->PutValue(i,betas[i],Q2E[i][j]);
299 } 301 }
300 //Vectors are filled: calculate derivati << 302 thevec->SetSpline(true);
301 thevec->FillSecondDerivatives(); << 303 thevec2->SetSpline(true);
302 thevec2->FillSecondDerivatives(); <<
303 } 304 }
304 305
305 if (fLorentzTables1 && fLorentzTables2) << 306 if (theLorentzTables1 && theLorentzTables2)
306 { 307 {
307 fLorentzTables1->insert(std::make_pair(Z << 308 theLorentzTables1->insert(std::make_pair(Zmat,theTable1));
308 fLorentzTables2->insert(std::make_pair(Z << 309 theLorentzTables2->insert(std::make_pair(Zmat,theTable2));
309 } 310 }
310 else 311 else
311 { 312 {
312 G4ExceptionDescription ed; 313 G4ExceptionDescription ed;
313 ed << "Unable to create tables of Lorent 314 ed << "Unable to create tables of Lorentz coefficients for " << G4endl;
314 ed << "<Z>= " << Zmat << " in G4Penelop 315 ed << "<Z>= " << Zmat << " in G4PenelopeBremsstrahlungAngular" << G4endl;
315 delete theTable1; 316 delete theTable1;
316 delete theTable2; 317 delete theTable2;
317 G4Exception("G4PenelopeBremsstrahlungAng 318 G4Exception("G4PenelopeBremsstrahlungAngular::PrepareInterpolationTables()",
318 "em2005",FatalException,ed); 319 "em2005",FatalException,ed);
319 } 320 }
320 321
321 return; 322 return;
322 } 323 }
323 324
324 //....oooOO0OOooo........oooOO0OOooo........oo 325 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
325 326
326 G4ThreeVector& G4PenelopeBremsstrahlungAngular 327 G4ThreeVector& G4PenelopeBremsstrahlungAngular::SampleDirection(const G4DynamicParticle* dp,
327 G4double eGamma, 328 G4double eGamma,
328 G4int, 329 G4int,
329 const G4Material* material) 330 const G4Material* material)
330 { 331 {
331 if (!material) 332 if (!material)
332 { 333 {
333 G4Exception("G4PenelopeBremsstrahlungAng 334 G4Exception("G4PenelopeBremsstrahlungAngular::SampleDirection()",
334 "em2040",FatalException,"The pointer to 335 "em2040",FatalException,"The pointer to G4Material* is nullptr");
335 return fLocalDirection; 336 return fLocalDirection;
336 } 337 }
337 338
338 //Retrieve the effective Z 339 //Retrieve the effective Z
339 G4double Zmat = 0; 340 G4double Zmat = 0;
340 341
341 //The model might be initialized incorrectly << 342 if (!theEffectiveZSq)
342 //G4PenelopeBremsstrahungModel: make sure it <<
343 if (!fEffectiveZSq) <<
344 { 343 {
345 G4Exception("G4PenelopeBremsstrahlungAng 344 G4Exception("G4PenelopeBremsstrahlungAngular::SampleDirection()",
346 "em2040",JustWarning,"EffectiveZSq table << 345 "em2040",FatalException,"EffectiveZ table not available");
347 PrepareTables(material,false); << 346 return fLocalDirection;
348 //return fLocalDirection; << 347 }
349 } <<
350 348
351 //found in the table: return it 349 //found in the table: return it
352 if (fEffectiveZSq->count(material)) << 350 if (theEffectiveZSq->count(material))
353 Zmat = fEffectiveZSq->find(material)->seco << 351 Zmat = theEffectiveZSq->find(material)->second;
354 else //this can happen in unit tests or when << 352 else
355 //models other than G4PenelopeBremsstrahun << 353 {
356 { <<
357 G4Exception("G4PenelopeBremsstrahlungAng 354 G4Exception("G4PenelopeBremsstrahlungAngular::SampleDirection()",
358 "em2040",JustWarning,"Material not found << 355 "em2040",FatalException,"Material not found in the effectiveZ table");
359 PrepareTables(material,false); << 356 return fLocalDirection;
360 Zmat = fEffectiveZSq->find(material)->se <<
361 // return fLocalDirection; <<
362 } 357 }
363 358
364 if (fVerbosityLevel > 0) << 359 if (verbosityLevel > 0)
365 { 360 {
366 G4cout << "Effective <Z> for material : 361 G4cout << "Effective <Z> for material : " << material->GetName() <<
367 " = " << Zmat << G4endl; 362 " = " << Zmat << G4endl;
368 } 363 }
369 364
370 G4double ePrimary = dp->GetKineticEnergy(); 365 G4double ePrimary = dp->GetKineticEnergy();
371 366
372 G4double beta = std::sqrt(ePrimary*(ePrimary 367 G4double beta = std::sqrt(ePrimary*(ePrimary+2*electron_mass_c2))/
373 (ePrimary+electron_mass_c2); 368 (ePrimary+electron_mass_c2);
374 G4double cdt = 0; 369 G4double cdt = 0;
375 G4double sinTheta = 0; 370 G4double sinTheta = 0;
376 G4double phi = 0; 371 G4double phi = 0;
377 372
378 //Use a pure dipole distribution for energy 373 //Use a pure dipole distribution for energy above 500 keV
379 if (ePrimary > 500*keV) 374 if (ePrimary > 500*keV)
380 { 375 {
381 cdt = 2.0*G4UniformRand() - 1.0; 376 cdt = 2.0*G4UniformRand() - 1.0;
382 if (G4UniformRand() > 0.75) 377 if (G4UniformRand() > 0.75)
383 { 378 {
384 if (cdt<0) 379 if (cdt<0)
385 cdt = -1.0*std::pow(-cdt,1./3.); 380 cdt = -1.0*std::pow(-cdt,1./3.);
386 else 381 else
387 cdt = std::pow(cdt,1./3.); 382 cdt = std::pow(cdt,1./3.);
388 } 383 }
389 cdt = (cdt+beta)/(1.0+beta*cdt); 384 cdt = (cdt+beta)/(1.0+beta*cdt);
390 //Get primary kinematics 385 //Get primary kinematics
391 sinTheta = std::sqrt(1. - cdt*cdt); 386 sinTheta = std::sqrt(1. - cdt*cdt);
392 phi = twopi * G4UniformRand(); 387 phi = twopi * G4UniformRand();
393 fLocalDirection.set(sinTheta* std::cos(p 388 fLocalDirection.set(sinTheta* std::cos(phi),
394 sinTheta* std::sin(phi), 389 sinTheta* std::sin(phi),
395 cdt); 390 cdt);
396 //rotate 391 //rotate
397 fLocalDirection.rotateUz(dp->GetMomentum 392 fLocalDirection.rotateUz(dp->GetMomentumDirection());
398 //return 393 //return
399 return fLocalDirection; 394 return fLocalDirection;
400 } 395 }
401 396
402 if (!(fLorentzTables1->count(Zmat)) || !(fLo << 397 if (!(theLorentzTables1->count(Zmat)) || !(theLorentzTables2->count(Zmat)))
403 { 398 {
404 G4ExceptionDescription ed; 399 G4ExceptionDescription ed;
405 ed << "Unable to retrieve Lorentz tables 400 ed << "Unable to retrieve Lorentz tables for Z= " << Zmat << G4endl;
406 G4Exception("G4PenelopeBremsstrahlungAng 401 G4Exception("G4PenelopeBremsstrahlungAngular::SampleDirection()",
407 "em2006",FatalException,ed); 402 "em2006",FatalException,ed);
408 } 403 }
409 404
410 //retrieve actual tables 405 //retrieve actual tables
411 const G4PhysicsTable* theTable1 = fLorentzTa << 406 const G4PhysicsTable* theTable1 = theLorentzTables1->find(Zmat)->second;
412 const G4PhysicsTable* theTable2 = fLorentzTa << 407 const G4PhysicsTable* theTable2 = theLorentzTables2->find(Zmat)->second;
413 408
414 G4double RK=20.0*eGamma/ePrimary; 409 G4double RK=20.0*eGamma/ePrimary;
415 G4int ik=std::min((G4int) RK,19); 410 G4int ik=std::min((G4int) RK,19);
416 411
417 G4double P10=0,P11=0,P1=0; 412 G4double P10=0,P11=0,P1=0;
418 G4double P20=0,P21=0,P2=0; 413 G4double P20=0,P21=0,P2=0;
419 414
420 //First coefficient 415 //First coefficient
421 const G4PhysicsFreeVector* v1 = (G4PhysicsFr 416 const G4PhysicsFreeVector* v1 = (G4PhysicsFreeVector*) (*theTable1)[ik];
422 const G4PhysicsFreeVector* v2 = (G4PhysicsFr 417 const G4PhysicsFreeVector* v2 = (G4PhysicsFreeVector*) (*theTable1)[ik+1];
423 P10 = v1->Value(beta); 418 P10 = v1->Value(beta);
424 P11 = v2->Value(beta); 419 P11 = v2->Value(beta);
425 P1=P10+(RK-(G4double) ik)*(P11-P10); 420 P1=P10+(RK-(G4double) ik)*(P11-P10);
426 421
427 //Second coefficient 422 //Second coefficient
428 const G4PhysicsFreeVector* v3 = (G4PhysicsFr 423 const G4PhysicsFreeVector* v3 = (G4PhysicsFreeVector*) (*theTable2)[ik];
429 const G4PhysicsFreeVector* v4 = (G4PhysicsFr 424 const G4PhysicsFreeVector* v4 = (G4PhysicsFreeVector*) (*theTable2)[ik+1];
430 P20=v3->Value(beta); 425 P20=v3->Value(beta);
431 P21=v4->Value(beta); 426 P21=v4->Value(beta);
432 P2=P20+(RK-(G4double) ik)*(P21-P20); 427 P2=P20+(RK-(G4double) ik)*(P21-P20);
433 428
434 //Sampling from the Lorenz-trasformed dipole 429 //Sampling from the Lorenz-trasformed dipole distributions
435 P1=std::min(G4Exp(P1)/beta,1.0); 430 P1=std::min(G4Exp(P1)/beta,1.0);
436 G4double betap = std::min(std::max(beta*(1.0 431 G4double betap = std::min(std::max(beta*(1.0+P2/beta),0.0),0.9999);
437 432
438 G4double testf=0; 433 G4double testf=0;
439 434
440 if (G4UniformRand() < P1) 435 if (G4UniformRand() < P1)
441 { 436 {
442 do{ 437 do{
443 cdt = 2.0*G4UniformRand()-1.0; 438 cdt = 2.0*G4UniformRand()-1.0;
444 testf=2.0*G4UniformRand()-(1.0+cdt*cdt); 439 testf=2.0*G4UniformRand()-(1.0+cdt*cdt);
445 }while(testf>0); 440 }while(testf>0);
446 } 441 }
447 else 442 else
448 { 443 {
449 do{ 444 do{
450 cdt = 2.0*G4UniformRand()-1.0; 445 cdt = 2.0*G4UniformRand()-1.0;
451 testf=G4UniformRand()-(1.0-cdt*cdt); 446 testf=G4UniformRand()-(1.0-cdt*cdt);
452 }while(testf>0); 447 }while(testf>0);
453 } 448 }
454 cdt = (cdt+betap)/(1.0+betap*cdt); 449 cdt = (cdt+betap)/(1.0+betap*cdt);
455 450
456 //Get primary kinematics 451 //Get primary kinematics
457 sinTheta = std::sqrt(1. - cdt*cdt); 452 sinTheta = std::sqrt(1. - cdt*cdt);
458 phi = twopi * G4UniformRand(); 453 phi = twopi * G4UniformRand();
459 fLocalDirection.set(sinTheta* std::cos(phi), 454 fLocalDirection.set(sinTheta* std::cos(phi),
460 sinTheta* std::sin(phi), 455 sinTheta* std::sin(phi),
461 cdt); 456 cdt);
462 //rotate 457 //rotate
463 fLocalDirection.rotateUz(dp->GetMomentumDire 458 fLocalDirection.rotateUz(dp->GetMomentumDirection());
464 //return 459 //return
465 return fLocalDirection; 460 return fLocalDirection;
466 461
467 } 462 }
468 463
469 //....oooOO0OOooo........oooOO0OOooo........oo 464 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
470 465
>> 466 G4double G4PenelopeBremsstrahlungAngular::PolarAngle(const G4double ,
>> 467 const G4double ,
>> 468 const G4int )
>> 469 {
>> 470 G4cout << "WARNING: G4PenelopeBremsstrahlungAngular() does NOT support PolarAngle()" << G4endl;
>> 471 G4cout << "Please use the alternative interface SampleDirection()" << G4endl;
>> 472 G4Exception("G4PenelopeBremsstrahlungAngular::PolarAngle()",
>> 473 "em0005",FatalException,"Unsupported interface");
>> 474 return 0;
>> 475 }
>> 476
>> 477 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 478
471 G4double G4PenelopeBremsstrahlungAngular::Calc 479 G4double G4PenelopeBremsstrahlungAngular::CalculateEffectiveZ(const G4Material* material)
472 { 480 {
473 if (!fEffectiveZSq) << 481 if (!theEffectiveZSq)
474 fEffectiveZSq = new std::map<const G4Mater << 482 theEffectiveZSq = new std::map<const G4Material*,G4double>;
475 483
476 //Already exists: return it 484 //Already exists: return it
477 if (fEffectiveZSq->count(material)) << 485 if (theEffectiveZSq->count(material))
478 return fEffectiveZSq->find(material)->seco << 486 return theEffectiveZSq->find(material)->second;
479 487
480 //Helper for the calculation 488 //Helper for the calculation
481 std::vector<G4double> *StechiometricFactors 489 std::vector<G4double> *StechiometricFactors = new std::vector<G4double>;
482 G4int nElements = (G4int)material->GetNumber << 490 G4int nElements = material->GetNumberOfElements();
483 const G4ElementVector* elementVector = mater 491 const G4ElementVector* elementVector = material->GetElementVector();
484 const G4double* fractionVector = material->G 492 const G4double* fractionVector = material->GetFractionVector();
485 for (G4int i=0;i<nElements;++i) << 493 for (G4int i=0;i<nElements;i++)
486 { 494 {
487 G4double fraction = fractionVector[i]; 495 G4double fraction = fractionVector[i];
488 G4double atomicWeigth = (*elementVector) 496 G4double atomicWeigth = (*elementVector)[i]->GetA()/(g/mole);
489 StechiometricFactors->push_back(fraction 497 StechiometricFactors->push_back(fraction/atomicWeigth);
490 } 498 }
491 //Find max 499 //Find max
492 G4double MaxStechiometricFactor = 0.; 500 G4double MaxStechiometricFactor = 0.;
493 for (G4int i=0;i<nElements;++i) << 501 for (G4int i=0;i<nElements;i++)
494 { 502 {
495 if ((*StechiometricFactors)[i] > MaxStec 503 if ((*StechiometricFactors)[i] > MaxStechiometricFactor)
496 MaxStechiometricFactor = (*Stechiometr 504 MaxStechiometricFactor = (*StechiometricFactors)[i];
497 } 505 }
498 //Normalize 506 //Normalize
499 for (G4int i=0;i<nElements;++i) << 507 for (G4int i=0;i<nElements;i++)
500 (*StechiometricFactors)[i] /= MaxStechiom 508 (*StechiometricFactors)[i] /= MaxStechiometricFactor;
501 509
502 G4double sumz2 = 0; 510 G4double sumz2 = 0;
503 G4double sums = 0; 511 G4double sums = 0;
504 for (G4int i=0;i<nElements;++i) << 512 for (G4int i=0;i<nElements;i++)
505 { 513 {
506 G4double Z = (*elementVector)[i]->GetZ() 514 G4double Z = (*elementVector)[i]->GetZ();
507 sumz2 += (*StechiometricFactors)[i]*Z*Z; 515 sumz2 += (*StechiometricFactors)[i]*Z*Z;
508 sums += (*StechiometricFactors)[i]; 516 sums += (*StechiometricFactors)[i];
509 } 517 }
510 delete StechiometricFactors; 518 delete StechiometricFactors;
511 519
512 G4double ZBR = std::sqrt(sumz2/sums); 520 G4double ZBR = std::sqrt(sumz2/sums);
513 fEffectiveZSq->insert(std::make_pair(materia << 521 theEffectiveZSq->insert(std::make_pair(material,ZBR));
514 522
515 return ZBR; 523 return ZBR;
516 } 524 }
517 525