| Geant4 Cross Reference |
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26 26
27 #include "G4Channeling.hh" 27 #include "G4Channeling.hh"
28 28
29 #include "Randomize.hh" 29 #include "Randomize.hh"
30 30
31 #include "G4ChannelingTrackData.hh" 31 #include "G4ChannelingTrackData.hh"
32 #include "G4TouchableHistory.hh" 32 #include "G4TouchableHistory.hh"
33 #include "G4SystemOfUnits.hh" 33 #include "G4SystemOfUnits.hh"
34 #include "G4LambdacPlus.hh" 34 #include "G4LambdacPlus.hh"
35 #include "G4PhysicsModelCatalog.hh" <<
36 35
37 G4Channeling::G4Channeling(): 36 G4Channeling::G4Channeling():
38 G4VDiscreteProcess("channeling"), 37 G4VDiscreteProcess("channeling"),
39 fChannelingID(G4PhysicsModelCatalog::GetModelI << 38 fChannelingID(-1),
40 fTimeStepMin(0.), 39 fTimeStepMin(0.),
41 fTimeStepMax(0.), 40 fTimeStepMax(0.),
42 fTransverseVariationMax(2.E-2 * CLHEP::angstro 41 fTransverseVariationMax(2.E-2 * CLHEP::angstrom),
43 k010(G4ThreeVector(0.,1.,0.)), << 42 k010(G4ThreeVector(0.,1.,0.)){
44 fSpin(G4ThreeVector(0.,0.,0.)) << 43 fChannelingID = G4PhysicsModelCatalog::GetIndex("channeling");
45 {} << 44 if(fChannelingID == -1){
>> 45 fChannelingID = G4PhysicsModelCatalog::Register("channeling");
>> 46 }
>> 47 fSpin = G4ThreeVector(0.,0.,0.);
>> 48 }
46 49
47 //....oooOO0OOooo........oooOO0OOooo........oo 50 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
48 51
49 G4Channeling::~G4Channeling(){;} 52 G4Channeling::~G4Channeling(){;}
50 53
51 //....oooOO0OOooo........oooOO0OOooo........oo 54 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
52 55
53 G4ChannelingTrackData* G4Channeling::GetTrackD 56 G4ChannelingTrackData* G4Channeling::GetTrackData(const G4Track& aTrack){
54 G4ChannelingTrackData* trackdata = 57 G4ChannelingTrackData* trackdata =
55 (G4ChannelingTrackData*)(aTrack.GetAux 58 (G4ChannelingTrackData*)(aTrack.GetAuxiliaryTrackInformation(fChannelingID));
56 if(trackdata == nullptr){ 59 if(trackdata == nullptr){
57 trackdata = new G4ChannelingTrackData( 60 trackdata = new G4ChannelingTrackData();
58 aTrack.SetAuxiliaryTrackInformation(fC 61 aTrack.SetAuxiliaryTrackInformation(fChannelingID,trackdata);
59 } 62 }
60 return trackdata; 63 return trackdata;
61 } 64 }
62 65
63 //....oooOO0OOooo........oooOO0OOooo........oo 66 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
64 67
65 void G4Channeling::GetEF(const G4Track& aTrack 68 void G4Channeling::GetEF(const G4Track& aTrack,
66 G4ThreeVector& pos, 69 G4ThreeVector& pos,
67 G4ThreeVector& out){ 70 G4ThreeVector& out){
68 out = G4ThreeVector((GetMatData(aTrack)->G 71 out = G4ThreeVector((GetMatData(aTrack)->GetEFX()->GetEC(pos)),
69 (GetMatData(aTrack)->G 72 (GetMatData(aTrack)->GetEFY()->GetEC(pos)),
70 0.); 73 0.);
71 } 74 }
72 75
73 //....oooOO0OOooo........oooOO0OOooo........oo 76 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
74 77
75 void G4Channeling::PosToLattice(G4StepPoint* s 78 void G4Channeling::PosToLattice(G4StepPoint* step,G4ThreeVector& pos){
76 G4TouchableHistory* theTouchable = (G4Touc 79 G4TouchableHistory* theTouchable = (G4TouchableHistory*)(step->GetTouchable());
77 80
78 pos -= theTouchable->GetTranslation(); 81 pos -= theTouchable->GetTranslation();
79 pos = ((*theTouchable->GetRotation()).inve 82 pos = ((*theTouchable->GetRotation()).inverse())(pos);
80 } 83 }
81 84
82 //....oooOO0OOooo........oooOO0OOooo........oo 85 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
83 86
84 G4bool G4Channeling::UpdateParameters(const G4 87 G4bool G4Channeling::UpdateParameters(const G4Track& aTrack){
85 88
86 G4LogicalCrystalVolume* aLCV = (G4LogicalC 89 G4LogicalCrystalVolume* aLCV = (G4LogicalCrystalVolume*)(aTrack.GetVolume()->GetLogicalVolume());
87 90
88 G4StepPoint* postStepPoint = aTrack.GetSte 91 G4StepPoint* postStepPoint = aTrack.GetStep()->GetPostStepPoint();
89 G4StepPoint* preStepPoint = aTrack.GetStep 92 G4StepPoint* preStepPoint = aTrack.GetStep()->GetPreStepPoint();
90 93
91 G4ThreeVector posPost = postStepPoint->Get 94 G4ThreeVector posPost = postStepPoint->GetPosition();
92 aLCV->RotateToLattice(posPost); 95 aLCV->RotateToLattice(posPost);
93 G4ThreeVector posPre = preStepPoint->GetPo 96 G4ThreeVector posPre = preStepPoint->GetPosition();
94 aLCV->RotateToLattice(posPre); 97 aLCV->RotateToLattice(posPre);
95 98
96 G4double integrationLimit = std::fabs(posP 99 G4double integrationLimit = std::fabs(posPost.z() - posPre.z());
97 100
98 if(integrationLimit > 0.){ 101 if(integrationLimit > 0.){
99 //------------------------------------ 102 //----------------------------------------
100 // Check if the crystal is bent 103 // Check if the crystal is bent
101 //------------------------------------ 104 //----------------------------------------
102 G4bool isBent = GetMatData(aTrack)->Is 105 G4bool isBent = GetMatData(aTrack)->IsBent();
103 106
104 //------------------------------------ 107 //----------------------------------------
105 // Get the momentum in the world refer 108 // Get the momentum in the world reference
106 // frame and rotate to the solid refer 109 // frame and rotate to the solid reference frame
107 //------------------------------------ 110 //----------------------------------------
108 G4TouchableHistory* theTouchable = (G4 111 G4TouchableHistory* theTouchable = (G4TouchableHistory*)(preStepPoint->GetTouchable());
109 G4ThreeVector momWorld = aTrack.GetSte 112 G4ThreeVector momWorld = aTrack.GetStep()->GetPreStepPoint()->GetMomentum();
110 G4ThreeVector mom = (*theTouchable->Ge 113 G4ThreeVector mom = (*theTouchable->GetRotation())(momWorld);
111 114
112 //------------------------------------ 115 //----------------------------------------
113 // Get the momentum in the solid refer 116 // Get the momentum in the solid reference
114 // frame and rotate to the crystal ref 117 // frame and rotate to the crystal reference frame
115 //------------------------------------ 118 //----------------------------------------
116 aLCV->RotateToLattice(mom); 119 aLCV->RotateToLattice(mom);
117 120
118 //------------------------------------ 121 //----------------------------------------
119 // Get the momentum in the crystal ref 122 // Get the momentum in the crystal reference
120 // frame and rotate to the reference f 123 // frame and rotate to the reference frame
121 // solidal to the bent planes 124 // solidal to the bent planes
122 //------------------------------------ 125 //----------------------------------------
123 if(isBent){ 126 if(isBent){
124 PosToLattice(preStepPoint,posPre); 127 PosToLattice(preStepPoint,posPre);
125 G4ThreeVector axis010 = (*theTouch 128 G4ThreeVector axis010 = (*theTouchable->GetRotation())(k010);
126 mom.rotate(axis010,-posPre.z()/Get 129 mom.rotate(axis010,-posPre.z()/GetMatData(aTrack)->GetBR(posPre).x());
127 } 130 }
128 131
129 //------------------------------------ 132 //----------------------------------------
130 // Take the position stored in the tra 133 // Take the position stored in the track data.
131 // If the particle enters the crystal, 134 // If the particle enters the crystal,
132 // the position in the channel is rand 135 // the position in the channel is randomly
133 // generated using a uniform distribut 136 // generated using a uniform distribution
134 //------------------------------------ 137 //----------------------------------------
135 G4ThreeVector pos; 138 G4ThreeVector pos;
136 if(GetTrackData(aTrack)->GetPosCh().x( 139 if(GetTrackData(aTrack)->GetPosCh().x() == DBL_MAX){
137 G4double posX = G4UniformRand() * 140 G4double posX = G4UniformRand() * GetMatData(aTrack)->GetPot()->GetIntSp(0);
138 G4double posY = G4UniformRand() * 141 G4double posY = G4UniformRand() * GetMatData(aTrack)->GetPot()->GetIntSp(1);
139 pos = G4ThreeVector(posX,posY,0.); 142 pos = G4ThreeVector(posX,posY,0.);
140 } 143 }
141 else{ 144 else{
142 pos = GetTrackData(aTrack)->GetPos 145 pos = GetTrackData(aTrack)->GetPosCh();
143 } 146 }
144 147
145 G4double step=0., stepTot=0.; 148 G4double step=0., stepTot=0.;
146 G4double nud =0., eld =0.; 149 G4double nud =0., eld =0.;
147 G4double efx =0., efy =0.; 150 G4double efx =0., efy =0.;
148 G4double nud_temp =0., eld_temp =0. 151 G4double nud_temp =0., eld_temp =0.;
149 152
150 G4double beta = aTrack.GetVelocity()/C 153 G4double beta = aTrack.GetVelocity()/CLHEP::c_light;
151 G4double Z = GetParticleDefinition(aTr 154 G4double Z = GetParticleDefinition(aTrack)->GetPDGCharge();
152 155
153 const G4double oneSixth = 1./6.; 156 const G4double oneSixth = 1./6.;
154 G4ThreeVector posk1,posk2,posk3,posk4, 157 G4ThreeVector posk1,posk2,posk3,posk4,posk5,posk6;
155 G4ThreeVector momk1,momk2,momk3,momk4, 158 G4ThreeVector momk1,momk2,momk3,momk4,momk5,momk6;
156 G4ThreeVector pos_temp, efxy; 159 G4ThreeVector pos_temp, efxy;
157 160
158 do{ 161 do{
159 //-------------------------------- 162 //----------------------------------------
160 // Limit the variable step length 163 // Limit the variable step length for the
161 // integration via the selected al 164 // integration via the selected algorithm
162 // and update variables for the in 165 // and update variables for the integration
163 //-------------------------------- 166 //----------------------------------------
164 167
165 UpdateIntegrationStep(aTrack,mom,s 168 UpdateIntegrationStep(aTrack,mom,step);
166 if(step + stepTot > integrationLim 169 if(step + stepTot > integrationLimit){
167 step = integrationLimit - step 170 step = integrationLimit - stepTot;
168 } 171 }
169 172
170 //-------------------------------- 173 //----------------------------------------
171 // Function integration algorithm 174 // Function integration algorithm
172 // 4th Order Runge-Kutta 175 // 4th Order Runge-Kutta
173 //-------------------------------- 176 //----------------------------------------
174 177
175 GetEF(aTrack,pos,efxy); 178 GetEF(aTrack,pos,efxy);
176 posk1 = step / mom.z() * mom; 179 posk1 = step / mom.z() * mom;
177 momk1 = step / beta * Z * efxy; 180 momk1 = step / beta * Z * efxy;
178 if(isBent) momk1.setX(momk1.x() - 181 if(isBent) momk1.setX(momk1.x() - step * mom.z() * beta / (GetMatData(aTrack)->GetBR(pos)).x());
179 182
180 GetEF(aTrack,pos_temp = pos + posk 183 GetEF(aTrack,pos_temp = pos + posk1 * 0.5,efxy);
181 posk2 = step / mom.z() * (mom + mo 184 posk2 = step / mom.z() * (mom + momk1 * 0.5);
182 momk2 = step / beta * Z * efxy; 185 momk2 = step / beta * Z * efxy;
183 if(isBent) momk2.setX(momk2.x() - 186 if(isBent) momk2.setX(momk2.x() - step * mom.z() * beta / (GetMatData(aTrack)->GetBR(pos_temp)).x());
184 187
185 GetEF(aTrack,pos_temp = pos + posk 188 GetEF(aTrack,pos_temp = pos + posk2 * 0.5,efxy);
186 posk3 = step / mom.z() * (mom + mo 189 posk3 = step / mom.z() * (mom + momk2 * 0.5);
187 momk3 = step / beta * Z * efxy; 190 momk3 = step / beta * Z * efxy;
188 if(isBent) momk3.setX(momk3.x() - 191 if(isBent) momk3.setX(momk3.x() - step * mom.z() * beta / (GetMatData(aTrack)->GetBR(pos_temp)).x());
189 192
190 GetEF(aTrack,pos_temp = pos + posk 193 GetEF(aTrack,pos_temp = pos + posk3,efxy);
191 posk4 = step / mom.z() * (mom + mo 194 posk4 = step / mom.z() * (mom + momk3);
192 momk4 = step / beta * Z * efxy; 195 momk4 = step / beta * Z * efxy;
193 if(isBent) momk4.setX(momk4.x() - 196 if(isBent) momk4.setX(momk4.x() - step * mom.z() * beta / (GetMatData(aTrack)->GetBR(pos_temp)).x());
194 197
195 pos = pos + oneSixth * (posk1 + 2. 198 pos = pos + oneSixth * (posk1 + 2.*posk2 + 2.*posk3 + posk4);
196 mom = mom + oneSixth * (momk1 + 2. 199 mom = mom + oneSixth * (momk1 + 2.*momk2 + 2.*momk3 + momk4);
197 200
198 //-------------------------------- 201 //----------------------------------------
199 // Function integration algorithm 202 // Function integration algorithm
200 // 2th Order Velocity-Verlet 203 // 2th Order Velocity-Verlet
201 //-------------------------------- 204 //----------------------------------------
202 205
203 /* 206 /*
204 GetEF(aTrack,pos,efxy); 207 GetEF(aTrack,pos,efxy);
205 posk1 = pos + (step * 0.5 / mom.z( 208 posk1 = pos + (step * 0.5 / mom.z()) * mom;
206 //momk1 = mom + step * 0.5 / betaZ 209 //momk1 = mom + step * 0.5 / betaZ * efxy;
207 momk1 = mom; 210 momk1 = mom;
208 if(isBent) momk1.setX(momk1.x() - 211 if(isBent) momk1.setX(momk1.x() - step * 0.5 * mom.z() * beta / (GetMatData(aTrack)->GetBR(pos)).x());
209 212
210 GetEF(aTrack,posk1,efxy); 213 GetEF(aTrack,posk1,efxy);
211 pos = pos + (step / momk1.z()) * m 214 pos = pos + (step / momk1.z()) * momk1;
212 //mom = mom + step / betaZ * efxy; 215 //mom = mom + step / betaZ * efxy;
213 mom = mom; 216 mom = mom;
214 if(isBent) mom.setX(mom.x() - step 217 if(isBent) mom.setX(mom.x() - step * mom.z() * beta / (GetMatData(aTrack)->GetBR(posk1)).x());
215 */ 218 */
216 219
217 //-------------------------------- 220 //----------------------------------------
218 // Update the total step and the e 221 // Update the total step and the electron
219 // and nuclei density experienced 222 // and nuclei density experienced by
220 // the particle during its motion 223 // the particle during its motion
221 //-------------------------------- 224 //----------------------------------------
222 225
223 stepTot += step; 226 stepTot += step;
224 227
225 nud_temp = GetMatData(aTrack)->Get 228 nud_temp = GetMatData(aTrack)->GetNuD()->GetEC(pos);
226 eld_temp = GetMatData(aTrack)->Get 229 eld_temp = GetMatData(aTrack)->GetElD()->GetEC(pos);
227 230
228 if(nud_temp < 0.) {nud_temp = 0.;} 231 if(nud_temp < 0.) {nud_temp = 0.;}
229 if(eld_temp < 0.) {eld_temp = 0.;} 232 if(eld_temp < 0.) {eld_temp = 0.;}
230 233
231 nud += (step * nud_temp); 234 nud += (step * nud_temp);
232 eld += (step * eld_temp); 235 eld += (step * eld_temp);
233 236
234 efx += (step * GetMatData(aTrack)- 237 efx += (step * GetMatData(aTrack)->GetEFX()->GetEC(pos));
235 efy += (step * GetMatData(aTrack)- 238 efy += (step * GetMatData(aTrack)->GetEFY()->GetEC(pos));
236 239
237 } while(stepTot<integrationLimit); 240 } while(stepTot<integrationLimit);
238 241
239 nud /= stepTot; 242 nud /= stepTot;
240 eld /= stepTot; 243 eld /= stepTot;
241 244
242 if(nud < 1.E-10) {nud = 1.E-10;} 245 if(nud < 1.E-10) {nud = 1.E-10;}
243 if(eld < 1.E-10) {eld = 1.E-10;} 246 if(eld < 1.E-10) {eld = 1.E-10;}
244 247
245 GetTrackData(aTrack)->SetNuD(nud); 248 GetTrackData(aTrack)->SetNuD(nud);
246 GetTrackData(aTrack)->SetElD(eld); 249 GetTrackData(aTrack)->SetElD(eld);
247 250
248 GetTrackData(aTrack)->SetEFX(efx); 251 GetTrackData(aTrack)->SetEFX(efx);
249 GetTrackData(aTrack)->SetEFY(efy); 252 GetTrackData(aTrack)->SetEFY(efy);
250 253
251 GetTrackData(aTrack)->SetMomCh(mom); 254 GetTrackData(aTrack)->SetMomCh(mom);
252 GetTrackData(aTrack)->SetPosCh(pos); 255 GetTrackData(aTrack)->SetPosCh(pos);
253 return true; 256 return true;
254 } 257 }
255 else{ 258 else{
256 return false; 259 return false;
257 } 260 }
258 261
259 return false; 262 return false;
260 } 263 }
261 264
262 //....oooOO0OOooo........oooOO0OOooo........oo 265 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
263 266
264 G4bool G4Channeling:: 267 G4bool G4Channeling::
265 UpdateIntegrationStep(const G4Track& aTrack, 268 UpdateIntegrationStep(const G4Track& aTrack,
266 G4ThreeVector& mom, 269 G4ThreeVector& mom,
267 G4double& step){ 270 G4double& step){
268 271
269 if(mom.x() != 0.0 || mom.y() != 0.0){ 272 if(mom.x() != 0.0 || mom.y() != 0.0){
270 double xy2 = mom.x() * mom.x() + mom.y 273 double xy2 = mom.x() * mom.x() + mom.y()*mom.y();
271 274
272 if(xy2!=0.){ 275 if(xy2!=0.){
273 step = std::fabs(fTransverseVariat 276 step = std::fabs(fTransverseVariationMax * GetPre(aTrack)->GetKineticEnergy() / std::pow(xy2,0.5));
274 if(step < fTimeStepMin) step = fTi 277 if(step < fTimeStepMin) step = fTimeStepMin;
275 else{ 278 else{
276 fTimeStepMax = std::sqrt( fTra 279 fTimeStepMax = std::sqrt( fTransverseVariationMax * GetPre(aTrack)->GetKineticEnergy()
277 / std::fab 280 / std::fabs(GetMatData(aTrack)->GetEFX()->GetMax()));
278 281
279 if(step > fTimeStepMax) step = 282 if(step > fTimeStepMax) step = fTimeStepMax;
280 } 283 }
281 } 284 }
282 else{ 285 else{
283 step = fTimeStepMin; 286 step = fTimeStepMin;
284 } 287 }
285 288
286 return true; 289 return true;
287 } 290 }
288 else{ 291 else{
289 step = fTimeStepMin; 292 step = fTimeStepMin;
290 } 293 }
291 return false; 294 return false;
292 } 295 }
293 296
294 //....oooOO0OOooo........oooOO0OOooo........oo 297 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
295 298
296 G4double G4Channeling:: 299 G4double G4Channeling::
297 GetMeanFreePath(const G4Track& aTrack, 300 GetMeanFreePath(const G4Track& aTrack,
298 G4double, // previousStepSize 301 G4double, // previousStepSize
299 G4ForceCondition* condition){ 302 G4ForceCondition* condition){
300 303
301 //---------------------------------------- 304 //----------------------------------------
302 // the condition is forced to check if 305 // the condition is forced to check if
303 // the volume has a lattice at each step. 306 // the volume has a lattice at each step.
304 // if it hasn't, return DBL_MAX 307 // if it hasn't, return DBL_MAX
305 //---------------------------------------- 308 //----------------------------------------
306 309
307 *condition = Forced; 310 *condition = Forced;
308 311
309 G4LogicalVolume* aLV = aTrack.GetVolume()- 312 G4LogicalVolume* aLV = aTrack.GetVolume()->GetLogicalVolume();
310 G4LogicalVolume* aNLV = aTrack.GetNextVolu 313 G4LogicalVolume* aNLV = aTrack.GetNextVolume()->GetLogicalVolume();
311 314
312 if(G4LogicalCrystalVolume::IsLattice(aLV) 315 if(G4LogicalCrystalVolume::IsLattice(aLV) == true &&
313 G4LogicalCrystalVolume::IsLattice(aNLV) 316 G4LogicalCrystalVolume::IsLattice(aNLV) == true){
314 G4double osc_per = GetOscillationPerio 317 G4double osc_per = GetOscillationPeriod(aTrack);
315 fTimeStepMin = osc_per * 2.E-4; 318 fTimeStepMin = osc_per * 2.E-4;
316 return osc_per * 0.01; 319 return osc_per * 0.01;
317 } 320 }
318 else{ 321 else{
319 GetTrackData(aTrack)->Reset(); 322 GetTrackData(aTrack)->Reset();
320 return DBL_MAX; 323 return DBL_MAX;
321 } 324 }
322 } 325 }
323 326
324 //....oooOO0OOooo........oooOO0OOooo........oo 327 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
325 328
326 G4VParticleChange* G4Channeling:: 329 G4VParticleChange* G4Channeling::
327 PostStepDoIt(const G4Track& aTrack, 330 PostStepDoIt(const G4Track& aTrack,
328 const G4Step&){ 331 const G4Step&){
329 332
330 //---------------------------------------- 333 //----------------------------------------
331 // check if the volume has a lattice 334 // check if the volume has a lattice
332 // and if the particle is in channeling. 335 // and if the particle is in channeling.
333 // If it is so, the particle is forced 336 // If it is so, the particle is forced
334 // to follow the channeling plane 337 // to follow the channeling plane
335 // direction. If the particle has 338 // direction. If the particle has
336 // dechanneled or exited the crystal, 339 // dechanneled or exited the crystal,
337 // the outgoing angle is evaluated 340 // the outgoing angle is evaluated
338 //---------------------------------------- 341 //----------------------------------------
339 342
340 aParticleChange.Initialize(aTrack); 343 aParticleChange.Initialize(aTrack);
341 G4LogicalVolume* aLV = aTrack.GetVolume()- 344 G4LogicalVolume* aLV = aTrack.GetVolume()->GetLogicalVolume();
342 G4LogicalVolume* aNLV = aTrack.GetNextVolu 345 G4LogicalVolume* aNLV = aTrack.GetNextVolume()->GetLogicalVolume();
343 346
344 347
345 if(G4LogicalCrystalVolume::IsLattice(aLV) 348 if(G4LogicalCrystalVolume::IsLattice(aLV) == true &&
346 G4LogicalCrystalVolume::IsLattice(aNLV) 349 G4LogicalCrystalVolume::IsLattice(aNLV) == true){
347 350
348 G4bool bModifiedTraj = UpdateParameter 351 G4bool bModifiedTraj = UpdateParameters(aTrack);
349 352
350 if(bModifiedTraj==true){ 353 if(bModifiedTraj==true){
351 //-------------------------------- 354 //----------------------------------------
352 // Get the momentum in the referen 355 // Get the momentum in the reference frame
353 // solidal to the bent planes and 356 // solidal to the bent planes and rotate
354 // to the reference frame 357 // to the reference frame
355 //-------------------------------- 358 //----------------------------------------
356 G4LogicalCrystalVolume* aLCV = (G4 359 G4LogicalCrystalVolume* aLCV = (G4LogicalCrystalVolume*)(aTrack.GetVolume()->GetLogicalVolume());
357 G4ThreeVector momCh = GetTrackData 360 G4ThreeVector momCh = GetTrackData(aTrack)->GetMomCh();
358 361
359 G4StepPoint* postStepPoint = aTrac 362 G4StepPoint* postStepPoint = aTrack.GetStep()->GetPostStepPoint();
360 G4TouchableHistory* theTouchable = 363 G4TouchableHistory* theTouchable = (G4TouchableHistory*)(postStepPoint->GetTouchable());
361 364
362 if(GetMatData(aTrack)->IsBent()){ 365 if(GetMatData(aTrack)->IsBent()){
363 G4ThreeVector posPost = postSt 366 G4ThreeVector posPost = postStepPoint->GetPosition();
364 PosToLattice(postStepPoint,pos 367 PosToLattice(postStepPoint,posPost);
365 G4ThreeVector axis010 = (*theT 368 G4ThreeVector axis010 = (*theTouchable->GetRotation())(k010);
366 momCh.rotate(axis010,posPost.z 369 momCh.rotate(axis010,posPost.z()/GetMatData(aTrack)->GetBR(posPost).x());
367 } 370 }
368 371
369 //-------------------------------- 372 //----------------------------------------
370 // Get the momentum in the crystal 373 // Get the momentum in the crystal reference
371 // frame and rotate to the solid r 374 // frame and rotate to the solid reference frame
372 //-------------------------------- 375 //----------------------------------------
373 376
374 aLCV->RotateToSolid(momCh); 377 aLCV->RotateToSolid(momCh);
375 378
376 //-------------------------------- 379 //----------------------------------------
377 // Get the momentum in the solid r 380 // Get the momentum in the solid reference
378 // frame and rotate to the world r 381 // frame and rotate to the world reference frame
379 //-------------------------------- 382 //----------------------------------------
380 G4ThreeVector mom = ((*theTouchabl 383 G4ThreeVector mom = ((*theTouchable->GetRotation()).inverse())(momCh);
381 384
382 aParticleChange.ProposeMomentumDir 385 aParticleChange.ProposeMomentumDirection(mom.unit());
383 aParticleChange.ProposePolarizatio 386 aParticleChange.ProposePolarization(fSpin);
384 } 387 }
385 } 388 }
386 else{ 389 else{
387 // if the volume has no lattice it res 390 // if the volume has no lattice it resets the density factors
388 GetTrackData(aTrack)->Reset(); 391 GetTrackData(aTrack)->Reset();
389 } 392 }
390 393
391 return &aParticleChange; 394 return &aParticleChange;
392 } 395 }
393 396
394 //....oooOO0OOooo........oooOO0OOooo........oo 397 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
395 398