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