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25 // 25 //
26 // History: 26 // History:
27 // 2001-2002 R&D by V.Grichine 27 // 2001-2002 R&D by V.Grichine
28 // 19.06.03 V. Grichine, modifications in Buil 28 // 19.06.03 V. Grichine, modifications in BuildTable for the integration
29 // in respect of angle: 29 // in respect of angle: range is increased, accuracy is
30 // improved 30 // improved
31 // 28.07.05, P.Gumplinger add G4ProcessType to 31 // 28.07.05, P.Gumplinger add G4ProcessType to constructor
32 // 28.09.07, V.Ivanchenko general cleanup with 32 // 28.09.07, V.Ivanchenko general cleanup without change of algorithms
33 // 33 //
34 34
35 #include "G4VXTRenergyLoss.hh" 35 #include "G4VXTRenergyLoss.hh"
36 36
37 #include "G4AffineTransform.hh" 37 #include "G4AffineTransform.hh"
38 #include "G4DynamicParticle.hh" 38 #include "G4DynamicParticle.hh"
39 #include "G4EmProcessSubType.hh" 39 #include "G4EmProcessSubType.hh"
40 #include "G4Integrator.hh" 40 #include "G4Integrator.hh"
41 #include "G4MaterialTable.hh" 41 #include "G4MaterialTable.hh"
42 #include "G4ParticleMomentum.hh" 42 #include "G4ParticleMomentum.hh"
43 #include "G4PhysicalConstants.hh" 43 #include "G4PhysicalConstants.hh"
44 #include "G4PhysicsFreeVector.hh" 44 #include "G4PhysicsFreeVector.hh"
45 #include "G4PhysicsLinearVector.hh" 45 #include "G4PhysicsLinearVector.hh"
46 #include "G4PhysicsLogVector.hh" 46 #include "G4PhysicsLogVector.hh"
47 #include "G4RotationMatrix.hh" 47 #include "G4RotationMatrix.hh"
48 #include "G4SandiaTable.hh" 48 #include "G4SandiaTable.hh"
49 #include "G4SystemOfUnits.hh" 49 #include "G4SystemOfUnits.hh"
50 #include "G4ThreeVector.hh" 50 #include "G4ThreeVector.hh"
51 #include "G4Timer.hh" 51 #include "G4Timer.hh"
52 #include "G4VDiscreteProcess.hh" 52 #include "G4VDiscreteProcess.hh"
53 #include "G4VParticleChange.hh" 53 #include "G4VParticleChange.hh"
54 #include "G4VSolid.hh" 54 #include "G4VSolid.hh"
55 #include "G4PhysicsModelCatalog.hh" 55 #include "G4PhysicsModelCatalog.hh"
56 56
57 ////////////////////////////////////////////// 57 ////////////////////////////////////////////////////////////////////////////
58 // Constructor, destructor 58 // Constructor, destructor
59 G4VXTRenergyLoss::G4VXTRenergyLoss(G4LogicalVo 59 G4VXTRenergyLoss::G4VXTRenergyLoss(G4LogicalVolume* anEnvelope,
60 G4Material* 60 G4Material* foilMat, G4Material* gasMat,
61 G4double a, 61 G4double a, G4double b, G4int n,
62 const G4Str 62 const G4String& processName,
63 G4ProcessTy 63 G4ProcessType type)
64 : G4VDiscreteProcess(processName, type) 64 : G4VDiscreteProcess(processName, type)
65 , fGammaCutInKineticEnergy(nullptr) 65 , fGammaCutInKineticEnergy(nullptr)
66 , fAngleDistrTable(nullptr) 66 , fAngleDistrTable(nullptr)
67 , fEnergyDistrTable(nullptr) 67 , fEnergyDistrTable(nullptr)
68 , fAngleForEnergyTable(nullptr) 68 , fAngleForEnergyTable(nullptr)
69 , fPlatePhotoAbsCof(nullptr) 69 , fPlatePhotoAbsCof(nullptr)
70 , fGasPhotoAbsCof(nullptr) 70 , fGasPhotoAbsCof(nullptr)
71 , fGammaTkinCut(0.0) 71 , fGammaTkinCut(0.0)
72 { 72 {
73 verboseLevel = 1; 73 verboseLevel = 1;
74 secID = G4PhysicsModelCatalog::GetModelID("m 74 secID = G4PhysicsModelCatalog::GetModelID("model_XTRenergyLoss");
75 SetProcessSubType(fTransitionRadiation); 75 SetProcessSubType(fTransitionRadiation);
76 76
77 fPtrGamma = nullptr; 77 fPtrGamma = nullptr;
78 fMinEnergyTR = fMaxEnergyTR = fMaxThetaTR = 78 fMinEnergyTR = fMaxEnergyTR = fMaxThetaTR = fGamma = fEnergy = 0.0;
79 fVarAngle = fLambda = fTotalDist = fPlateThi 79 fVarAngle = fLambda = fTotalDist = fPlateThick = fGasThick = 0.0;
80 fAlphaPlate = 100.; 80 fAlphaPlate = 100.;
81 fAlphaGas = 40.; 81 fAlphaGas = 40.;
82 82
83 fTheMinEnergyTR = CLHEP::keV * 1.; // 1.; / 83 fTheMinEnergyTR = CLHEP::keV * 1.; // 1.; //
84 fTheMaxEnergyTR = CLHEP::keV * 100.; // 40.; 84 fTheMaxEnergyTR = CLHEP::keV * 100.; // 40.; //
85 85
86 fTheMinAngle = 1.e-8; // 86 fTheMinAngle = 1.e-8; //
87 fTheMaxAngle = 4.e-4; 87 fTheMaxAngle = 4.e-4;
88 88
89 fTotBin = 50; // number of bins in log sca 89 fTotBin = 50; // number of bins in log scale
90 fBinTR = 100; // number of bins in TR vec << 90 fBinTR = 100; // number of bins in TR vectors
91 fKrange = 229; << 91
92 // min/max angle2 in log-vectors 92 // min/max angle2 in log-vectors
93 93
94 fMinThetaTR = 3.0e-9; 94 fMinThetaTR = 3.0e-9;
95 fMaxThetaTR = 1.0e-4; 95 fMaxThetaTR = 1.0e-4;
96 96
97 97
98 // Proton energy vector initialization 98 // Proton energy vector initialization
99 fProtonEnergyVector = 99 fProtonEnergyVector =
100 new G4PhysicsLogVector(fMinProtonTkin, fMa 100 new G4PhysicsLogVector(fMinProtonTkin, fMaxProtonTkin, fTotBin);
101 101
102 fXTREnergyVector = 102 fXTREnergyVector =
103 new G4PhysicsLogVector(fTheMinEnergyTR, fT 103 new G4PhysicsLogVector(fTheMinEnergyTR, fTheMaxEnergyTR, fBinTR);
104 104
105 fEnvelope = anEnvelope; 105 fEnvelope = anEnvelope;
106 106
107 fPlateNumber = n; 107 fPlateNumber = n;
108 if(verboseLevel > 0) 108 if(verboseLevel > 0)
109 G4cout << "### G4VXTRenergyLoss: the numbe 109 G4cout << "### G4VXTRenergyLoss: the number of TR radiator plates = "
110 << fPlateNumber << G4endl; 110 << fPlateNumber << G4endl;
111 if(fPlateNumber == 0) 111 if(fPlateNumber == 0)
112 { 112 {
113 G4Exception("G4VXTRenergyLoss::G4VXTRenerg 113 G4Exception("G4VXTRenergyLoss::G4VXTRenergyLoss()", "VXTRELoss01",
114 FatalException, "No plates in 114 FatalException, "No plates in X-ray TR radiator");
115 } 115 }
116 // default is XTR dEdx, not flux after radia 116 // default is XTR dEdx, not flux after radiator
117 fExitFlux = false; 117 fExitFlux = false;
118 // default angle distribution according nume 118 // default angle distribution according numerical integration
119 fFastAngle = false; // no angle accordin 119 fFastAngle = false; // no angle according sum of delta-functions by default
120 fAngleRadDistr = true; 120 fAngleRadDistr = true;
121 fCompton = false; 121 fCompton = false;
122 122
123 fLambda = DBL_MAX; 123 fLambda = DBL_MAX;
124 124
125 // Mean thicknesses of plates and gas gaps 125 // Mean thicknesses of plates and gas gaps
126 fPlateThick = a; 126 fPlateThick = a;
127 fGasThick = b; 127 fGasThick = b;
128 fTotalDist = fPlateNumber * (fPlateThick + 128 fTotalDist = fPlateNumber * (fPlateThick + fGasThick);
129 if(verboseLevel > 0) 129 if(verboseLevel > 0)
130 G4cout << "total radiator thickness = " << 130 G4cout << "total radiator thickness = " << fTotalDist / cm << " cm"
131 << G4endl; 131 << G4endl;
132 132
133 // index of plate material 133 // index of plate material
134 fMatIndex1 = (G4int)foilMat->GetIndex(); << 134 fMatIndex1 = foilMat->GetIndex();
135 if(verboseLevel > 0) 135 if(verboseLevel > 0)
136 G4cout << "plate material = " << foilMat-> 136 G4cout << "plate material = " << foilMat->GetName() << G4endl;
137 137
138 // index of gas material 138 // index of gas material
139 fMatIndex2 = (G4int)gasMat->GetIndex(); << 139 fMatIndex2 = gasMat->GetIndex();
140 if(verboseLevel > 0) 140 if(verboseLevel > 0)
141 G4cout << "gas material = " << gasMat->Get 141 G4cout << "gas material = " << gasMat->GetName() << G4endl;
142 142
143 // plasma energy squared for plate material 143 // plasma energy squared for plate material
144 fSigma1 = fPlasmaCof * foilMat->GetElectronD 144 fSigma1 = fPlasmaCof * foilMat->GetElectronDensity();
145 if(verboseLevel > 0) 145 if(verboseLevel > 0)
146 G4cout << "plate plasma energy = " << std: 146 G4cout << "plate plasma energy = " << std::sqrt(fSigma1) / eV << " eV"
147 << G4endl; 147 << G4endl;
148 148
149 // plasma energy squared for gas material 149 // plasma energy squared for gas material
150 fSigma2 = fPlasmaCof * gasMat->GetElectronDe 150 fSigma2 = fPlasmaCof * gasMat->GetElectronDensity();
151 if(verboseLevel > 0) 151 if(verboseLevel > 0)
152 G4cout << "gas plasma energy = " << std::s 152 G4cout << "gas plasma energy = " << std::sqrt(fSigma2) / eV << " eV"
153 << G4endl; 153 << G4endl;
154 154
155 // Compute cofs for preparation of linear ph 155 // Compute cofs for preparation of linear photo absorption
156 ComputePlatePhotoAbsCof(); 156 ComputePlatePhotoAbsCof();
157 ComputeGasPhotoAbsCof(); 157 ComputeGasPhotoAbsCof();
158 158
159 pParticleChange = &fParticleChange; 159 pParticleChange = &fParticleChange;
160 } 160 }
161 161
162 ////////////////////////////////////////////// 162 ///////////////////////////////////////////////////////////////////////////
163 G4VXTRenergyLoss::~G4VXTRenergyLoss() 163 G4VXTRenergyLoss::~G4VXTRenergyLoss()
164 { 164 {
165 delete fProtonEnergyVector; 165 delete fProtonEnergyVector;
166 delete fXTREnergyVector; 166 delete fXTREnergyVector;
167 if(fEnergyDistrTable) 167 if(fEnergyDistrTable)
168 { 168 {
169 fEnergyDistrTable->clearAndDestroy(); 169 fEnergyDistrTable->clearAndDestroy();
170 delete fEnergyDistrTable; 170 delete fEnergyDistrTable;
171 } 171 }
172 if(fAngleRadDistr) 172 if(fAngleRadDistr)
173 { 173 {
174 fAngleDistrTable->clearAndDestroy(); 174 fAngleDistrTable->clearAndDestroy();
175 delete fAngleDistrTable; 175 delete fAngleDistrTable;
176 } 176 }
177 if(fAngleForEnergyTable) 177 if(fAngleForEnergyTable)
178 { 178 {
179 fAngleForEnergyTable->clearAndDestroy(); 179 fAngleForEnergyTable->clearAndDestroy();
180 delete fAngleForEnergyTable; 180 delete fAngleForEnergyTable;
181 } 181 }
182 } 182 }
183 183
184 void G4VXTRenergyLoss::ProcessDescription(std: 184 void G4VXTRenergyLoss::ProcessDescription(std::ostream& out) const
185 { 185 {
186 out << "Base class for 'fast' parameterisati 186 out << "Base class for 'fast' parameterisation model describing X-ray "
187 "transition\n" 187 "transition\n"
188 "radiation. Angular distribution is v 188 "radiation. Angular distribution is very rough.\n";
189 } 189 }
190 190
191 ////////////////////////////////////////////// 191 ///////////////////////////////////////////////////////////////////////////////
192 // Returns condition for application of the mo 192 // Returns condition for application of the model depending on particle type
193 G4bool G4VXTRenergyLoss::IsApplicable(const G4 193 G4bool G4VXTRenergyLoss::IsApplicable(const G4ParticleDefinition& particle)
194 { 194 {
195 return (particle.GetPDGCharge() != 0.0); 195 return (particle.GetPDGCharge() != 0.0);
196 } 196 }
197 197
198 ////////////////////////////////////////////// 198 /////////////////////////////////////////////////////////////////////////////////
199 // Calculate step size for XTR process inside 199 // Calculate step size for XTR process inside raaditor
200 G4double G4VXTRenergyLoss::GetMeanFreePath(con 200 G4double G4VXTRenergyLoss::GetMeanFreePath(const G4Track& aTrack, G4double,
201 G4F 201 G4ForceCondition* condition)
202 { 202 {
203 G4int iTkin, iPlace; 203 G4int iTkin, iPlace;
204 G4double lambda, sigma, kinEnergy, mass, gam 204 G4double lambda, sigma, kinEnergy, mass, gamma;
205 G4double charge, chargeSq, massRatio, TkinSc 205 G4double charge, chargeSq, massRatio, TkinScaled;
206 G4double E1, E2, W, W1, W2; 206 G4double E1, E2, W, W1, W2;
207 207
208 *condition = NotForced; 208 *condition = NotForced;
209 209
210 if(aTrack.GetVolume()->GetLogicalVolume() != 210 if(aTrack.GetVolume()->GetLogicalVolume() != fEnvelope)
211 lambda = DBL_MAX; 211 lambda = DBL_MAX;
212 else 212 else
213 { 213 {
214 const G4DynamicParticle* aParticle = aTrac 214 const G4DynamicParticle* aParticle = aTrack.GetDynamicParticle();
215 kinEnergy = aPart 215 kinEnergy = aParticle->GetKineticEnergy();
216 mass = aParticle->GetDefinition()->GetPDG 216 mass = aParticle->GetDefinition()->GetPDGMass();
217 gamma = 1.0 + kinEnergy / mass; 217 gamma = 1.0 + kinEnergy / mass;
218 if(verboseLevel > 1) 218 if(verboseLevel > 1)
219 { 219 {
220 G4cout << " gamma = " << gamma << "; f 220 G4cout << " gamma = " << gamma << "; fGamma = " << fGamma << G4endl;
221 } 221 }
222 222
223 if(std::fabs(gamma - fGamma) < 0.05 * gamm 223 if(std::fabs(gamma - fGamma) < 0.05 * gamma)
224 lambda = fLambda; 224 lambda = fLambda;
225 else 225 else
226 { 226 {
227 charge = aParticle->GetDefinition()- 227 charge = aParticle->GetDefinition()->GetPDGCharge();
228 chargeSq = charge * charge; 228 chargeSq = charge * charge;
229 massRatio = proton_mass_c2 / mass; 229 massRatio = proton_mass_c2 / mass;
230 TkinScaled = kinEnergy * massRatio; 230 TkinScaled = kinEnergy * massRatio;
231 231
232 for(iTkin = 0; iTkin < fTotBin; ++iTkin) 232 for(iTkin = 0; iTkin < fTotBin; ++iTkin)
233 { 233 {
234 if(TkinScaled < fProtonEnergyVector->G 234 if(TkinScaled < fProtonEnergyVector->GetLowEdgeEnergy(iTkin))
235 break; 235 break;
236 } 236 }
237 iPlace = iTkin - 1; 237 iPlace = iTkin - 1;
238 238
239 if(iTkin == 0) 239 if(iTkin == 0)
240 lambda = DBL_MAX; // Tkin is too smal 240 lambda = DBL_MAX; // Tkin is too small, neglect of TR photon generation
241 else // general case: Tkin between two 241 else // general case: Tkin between two vectors of the material
242 { 242 {
243 if(iTkin == fTotBin) 243 if(iTkin == fTotBin)
244 { 244 {
245 sigma = (*(*fEnergyDistrTable)(iPlac 245 sigma = (*(*fEnergyDistrTable)(iPlace))(0) * chargeSq;
246 } 246 }
247 else 247 else
248 { 248 {
249 E1 = fProtonEnergyVector->GetLowE 249 E1 = fProtonEnergyVector->GetLowEdgeEnergy(iTkin - 1);
250 E2 = fProtonEnergyVector->GetLowE 250 E2 = fProtonEnergyVector->GetLowEdgeEnergy(iTkin);
251 W = 1.0 / (E2 - E1); 251 W = 1.0 / (E2 - E1);
252 W1 = (E2 - TkinScaled) * W; 252 W1 = (E2 - TkinScaled) * W;
253 W2 = (TkinScaled - E1) * W; 253 W2 = (TkinScaled - E1) * W;
254 sigma = ((*(*fEnergyDistrTable)(iPla 254 sigma = ((*(*fEnergyDistrTable)(iPlace))(0) * W1 +
255 (*(*fEnergyDistrTable)(iPla 255 (*(*fEnergyDistrTable)(iPlace + 1))(0) * W2) *
256 chargeSq; 256 chargeSq;
257 } 257 }
258 if(sigma < DBL_MIN) 258 if(sigma < DBL_MIN)
259 lambda = DBL_MAX; 259 lambda = DBL_MAX;
260 else 260 else
261 lambda = 1. / sigma; 261 lambda = 1. / sigma;
262 fLambda = lambda; 262 fLambda = lambda;
263 fGamma = gamma; 263 fGamma = gamma;
264 if(verboseLevel > 1) 264 if(verboseLevel > 1)
265 { 265 {
266 G4cout << " lambda = " << lambda / m 266 G4cout << " lambda = " << lambda / mm << " mm" << G4endl;
267 } 267 }
268 } 268 }
269 } 269 }
270 } 270 }
271 return lambda; 271 return lambda;
272 } 272 }
273 273
274 ////////////////////////////////////////////// 274 //////////////////////////////////////////////////////////////////////////
275 // Interface for build table from physics list 275 // Interface for build table from physics list
276 void G4VXTRenergyLoss::BuildPhysicsTable(const 276 void G4VXTRenergyLoss::BuildPhysicsTable(const G4ParticleDefinition& pd)
277 { 277 {
278 if(pd.GetPDGCharge() == 0.) 278 if(pd.GetPDGCharge() == 0.)
279 { 279 {
280 G4Exception("G4VXTRenergyLoss::BuildPhysic 280 G4Exception("G4VXTRenergyLoss::BuildPhysicsTable", "Notification",
281 JustWarning, "XTR initialisati 281 JustWarning, "XTR initialisation for neutral particle ?!");
282 } 282 }
283 BuildEnergyTable(); 283 BuildEnergyTable();
284 284
285 if(fAngleRadDistr) 285 if(fAngleRadDistr)
286 { 286 {
287 if(verboseLevel > 0) 287 if(verboseLevel > 0)
288 { 288 {
289 G4cout 289 G4cout
290 << "Build angle for energy distributio 290 << "Build angle for energy distribution according the current radiator"
291 << G4endl; 291 << G4endl;
292 } 292 }
293 BuildAngleForEnergyBank(); 293 BuildAngleForEnergyBank();
294 } 294 }
295 } 295 }
296 296
297 ////////////////////////////////////////////// 297 //////////////////////////////////////////////////////////////////////////
298 // Build integral energy distribution of XTR p 298 // Build integral energy distribution of XTR photons
299 void G4VXTRenergyLoss::BuildEnergyTable() 299 void G4VXTRenergyLoss::BuildEnergyTable()
300 { 300 {
301 G4int iTkin, iTR, iPlace; 301 G4int iTkin, iTR, iPlace;
302 G4double radiatorCof = 1.0; // for tuning o 302 G4double radiatorCof = 1.0; // for tuning of XTR yield
303 G4double energySum = 0.0; 303 G4double energySum = 0.0;
304 304
305 fEnergyDistrTable = new G4PhysicsTable(fTotB 305 fEnergyDistrTable = new G4PhysicsTable(fTotBin);
306 if(fAngleRadDistr) 306 if(fAngleRadDistr)
307 fAngleDistrTable = new G4PhysicsTable(fTot 307 fAngleDistrTable = new G4PhysicsTable(fTotBin);
308 308
309 fGammaTkinCut = 0.0; 309 fGammaTkinCut = 0.0;
310 310
311 // setting of min/max TR energies 311 // setting of min/max TR energies
312 if(fGammaTkinCut > fTheMinEnergyTR) 312 if(fGammaTkinCut > fTheMinEnergyTR)
313 fMinEnergyTR = fGammaTkinCut; 313 fMinEnergyTR = fGammaTkinCut;
314 else 314 else
315 fMinEnergyTR = fTheMinEnergyTR; 315 fMinEnergyTR = fTheMinEnergyTR;
316 316
317 if(fGammaTkinCut > fTheMaxEnergyTR) 317 if(fGammaTkinCut > fTheMaxEnergyTR)
318 fMaxEnergyTR = 2.0 * fGammaTkinCut; 318 fMaxEnergyTR = 2.0 * fGammaTkinCut;
319 else 319 else
320 fMaxEnergyTR = fTheMaxEnergyTR; 320 fMaxEnergyTR = fTheMaxEnergyTR;
321 321
322 G4Integrator<G4VXTRenergyLoss, G4double (G4V 322 G4Integrator<G4VXTRenergyLoss, G4double (G4VXTRenergyLoss::*)(G4double)>
323 integral; 323 integral;
324 324
325 G4cout.precision(4); 325 G4cout.precision(4);
326 G4Timer timer; 326 G4Timer timer;
327 timer.Start(); 327 timer.Start();
328 328
329 if(verboseLevel > 0) 329 if(verboseLevel > 0)
330 { 330 {
331 G4cout << G4endl; 331 G4cout << G4endl;
332 G4cout << "Lorentz Factor" 332 G4cout << "Lorentz Factor"
333 << "\t" 333 << "\t"
334 << "XTR photon number" << G4endl; 334 << "XTR photon number" << G4endl;
335 G4cout << G4endl; 335 G4cout << G4endl;
336 } 336 }
337 for(iTkin = 0; iTkin < fTotBin; ++iTkin) // 337 for(iTkin = 0; iTkin < fTotBin; ++iTkin) // Lorentz factor loop
338 { 338 {
339 auto energyVector = << 339 G4PhysicsLogVector* energyVector =
340 new G4PhysicsLogVector(fMinEnergyTR, fMa 340 new G4PhysicsLogVector(fMinEnergyTR, fMaxEnergyTR, fBinTR);
341 341
342 fGamma = 342 fGamma =
343 1.0 + (fProtonEnergyVector->GetLowEdgeEn 343 1.0 + (fProtonEnergyVector->GetLowEdgeEnergy(iTkin) / proton_mass_c2);
344 344
345 // if(fMaxThetaTR > fTheMaxAngle) fMax << 345 fMaxThetaTR = 25. * 2500.0 / (fGamma * fGamma); // theta^2
346 // else if(fMaxThetaTR < fTheMinAngle) << 346
>> 347 if(fMaxThetaTR > fTheMaxAngle)
>> 348 fMaxThetaTR = fTheMaxAngle;
>> 349 else if(fMaxThetaTR < fTheMinAngle)
>> 350 fMaxThetaTR = fTheMinAngle;
347 351
348 energySum = 0.0; 352 energySum = 0.0;
349 353
350 energyVector->PutValue(fBinTR - 1, energyS 354 energyVector->PutValue(fBinTR - 1, energySum);
351 355
352 for(iTR = fBinTR - 2; iTR >= 0; --iTR) 356 for(iTR = fBinTR - 2; iTR >= 0; --iTR)
353 { 357 {
354 // Legendre96 or Legendre10 358 // Legendre96 or Legendre10
355 359
356 energySum += radiatorCof * fCofTR * 360 energySum += radiatorCof * fCofTR *
357 361
358 // integral.Legendre10(this, &G4VXTRenergyLo 362 // integral.Legendre10(this, &G4VXTRenergyLoss::SpectralXTRdEdx,
359 363
360 integral.Legendre96(this, & 364 integral.Legendre96(this, &G4VXTRenergyLoss::SpectralXTRdEdx,
361 365
362 energyV 366 energyVector->GetLowEdgeEnergy(iTR),
363 energyV 367 energyVector->GetLowEdgeEnergy(iTR + 1));
364 368
365 energyVector->PutValue(iTR, energySum / 369 energyVector->PutValue(iTR, energySum / fTotalDist);
366 } 370 }
367 iPlace = iTkin; 371 iPlace = iTkin;
368 fEnergyDistrTable->insertAt(iPlace, energy 372 fEnergyDistrTable->insertAt(iPlace, energyVector);
369 373
370 if(verboseLevel > 0) 374 if(verboseLevel > 0)
371 { 375 {
372 G4cout << fGamma << "\t" << energySum << 376 G4cout << fGamma << "\t" << energySum << G4endl;
373 } 377 }
374 } 378 }
375 timer.Stop(); 379 timer.Stop();
376 G4cout.precision(6); 380 G4cout.precision(6);
377 if(verboseLevel > 0) 381 if(verboseLevel > 0)
378 { 382 {
379 G4cout << G4endl; 383 G4cout << G4endl;
380 G4cout << "total time for build X-ray TR e 384 G4cout << "total time for build X-ray TR energy loss tables = "
381 << timer.GetUserElapsed() << " s" < 385 << timer.GetUserElapsed() << " s" << G4endl;
382 } 386 }
383 fGamma = 0.; 387 fGamma = 0.;
384 return; 388 return;
385 } 389 }
386 390
387 ////////////////////////////////////////////// 391 //////////////////////////////////////////////////////////////////////////
388 // Bank of angle distributions for given energ 392 // Bank of angle distributions for given energies (slow!)
389 393
390 void G4VXTRenergyLoss::BuildAngleForEnergyBank 394 void G4VXTRenergyLoss::BuildAngleForEnergyBank()
391 { 395 {
392 396
393 if( ( this->GetProcessName() == "TranspRegXT 397 if( ( this->GetProcessName() == "TranspRegXTRadiator" ||
394 this->GetProcessName() == "TranspRegXT 398 this->GetProcessName() == "TranspRegXTRmodel" ||
395 this->GetProcessName() == "RegularXTRa 399 this->GetProcessName() == "RegularXTRadiator" ||
396 this->GetProcessName() == "RegularXTRmodel" 400 this->GetProcessName() == "RegularXTRmodel" ) && fFastAngle ) // ffastAngle=true!
397 { 401 {
398 BuildAngleTable(); // by sum of delta-func 402 BuildAngleTable(); // by sum of delta-functions
399 return; 403 return;
400 } 404 }
401 G4int i, iTkin, iTR; 405 G4int i, iTkin, iTR;
402 G4double angleSum = 0.0; 406 G4double angleSum = 0.0;
403 407
404 fGammaTkinCut = 0.0; 408 fGammaTkinCut = 0.0;
405 409
406 // setting of min/max TR energies 410 // setting of min/max TR energies
407 if(fGammaTkinCut > fTheMinEnergyTR) 411 if(fGammaTkinCut > fTheMinEnergyTR)
408 fMinEnergyTR = fGammaTkinCut; 412 fMinEnergyTR = fGammaTkinCut;
409 else 413 else
410 fMinEnergyTR = fTheMinEnergyTR; 414 fMinEnergyTR = fTheMinEnergyTR;
411 415
412 if(fGammaTkinCut > fTheMaxEnergyTR) 416 if(fGammaTkinCut > fTheMaxEnergyTR)
413 fMaxEnergyTR = 2.0 * fGammaTkinCut; 417 fMaxEnergyTR = 2.0 * fGammaTkinCut;
414 else 418 else
415 fMaxEnergyTR = fTheMaxEnergyTR; 419 fMaxEnergyTR = fTheMaxEnergyTR;
416 420
417 auto energyVector = << 421 G4PhysicsLogVector* energyVector =
418 new G4PhysicsLogVector(fMinEnergyTR, fMaxE 422 new G4PhysicsLogVector(fMinEnergyTR, fMaxEnergyTR, fBinTR);
419 423
420 G4Integrator<G4VXTRenergyLoss, G4double (G4V 424 G4Integrator<G4VXTRenergyLoss, G4double (G4VXTRenergyLoss::*)(G4double)>
421 integral; 425 integral;
422 426
423 G4cout.precision(4); 427 G4cout.precision(4);
424 G4Timer timer; 428 G4Timer timer;
425 timer.Start(); 429 timer.Start();
426 430
427 for(iTkin = 0; iTkin < fTotBin; ++iTkin) // 431 for(iTkin = 0; iTkin < fTotBin; ++iTkin) // Lorentz factor loop
428 { 432 {
429 fGamma = 433 fGamma =
430 1.0 + (fProtonEnergyVector->GetLowEdgeEn 434 1.0 + (fProtonEnergyVector->GetLowEdgeEnergy(iTkin) / proton_mass_c2);
431 435
432 if(fMaxThetaTR > fTheMaxAngle) 436 if(fMaxThetaTR > fTheMaxAngle)
433 fMaxThetaTR = fTheMaxAngle; 437 fMaxThetaTR = fTheMaxAngle;
434 else if(fMaxThetaTR < fTheMinAngle) 438 else if(fMaxThetaTR < fTheMinAngle)
435 fMaxThetaTR = fTheMinAngle; 439 fMaxThetaTR = fTheMinAngle;
436 440
437 fAngleForEnergyTable = new G4PhysicsTable( 441 fAngleForEnergyTable = new G4PhysicsTable(fBinTR);
438 442
439 for(iTR = 0; iTR < fBinTR; ++iTR) 443 for(iTR = 0; iTR < fBinTR; ++iTR)
440 { 444 {
441 angleSum = 0.0; 445 angleSum = 0.0;
442 fEnergy = energyVector->GetLowEdgeEnerg 446 fEnergy = energyVector->GetLowEdgeEnergy(iTR);
443 447
444 // log-vector to increase number of thin 448 // log-vector to increase number of thin bins for small angles
445 auto angleVector = new G4PhysicsLogVecto << 449 G4PhysicsLogVector* angleVector = new G4PhysicsLogVector(fMinThetaTR, fMaxThetaTR, fBinTR);
446 450
447 451
448 452
449 angleVector->PutValue(fBinTR - 1, angleS 453 angleVector->PutValue(fBinTR - 1, angleSum);
450 454
451 for(i = fBinTR - 2; i >= 0; --i) 455 for(i = fBinTR - 2; i >= 0; --i)
452 { 456 {
453 // Legendre96 or Legendre10 457 // Legendre96 or Legendre10
454 458
455 angleSum += 459 angleSum +=
456 integral.Legendre10(this, &G4VXTRene 460 integral.Legendre10(this, &G4VXTRenergyLoss::SpectralAngleXTRdEdx,
457 angleVector->Get 461 angleVector->GetLowEdgeEnergy(i),
458 angleVector->Get 462 angleVector->GetLowEdgeEnergy(i + 1));
459 463
460 angleVector->PutValue(i, angleSum); 464 angleVector->PutValue(i, angleSum);
461 } 465 }
462 fAngleForEnergyTable->insertAt(iTR, angl 466 fAngleForEnergyTable->insertAt(iTR, angleVector);
463 } 467 }
464 fAngleBank.push_back(fAngleForEnergyTable) 468 fAngleBank.push_back(fAngleForEnergyTable);
465 } 469 }
466 timer.Stop(); 470 timer.Stop();
467 G4cout.precision(6); 471 G4cout.precision(6);
468 if(verboseLevel > 0) 472 if(verboseLevel > 0)
469 { 473 {
470 G4cout << G4endl; 474 G4cout << G4endl;
471 G4cout << "total time for build X-ray TR a 475 G4cout << "total time for build X-ray TR angle for energy loss tables = "
472 << timer.GetUserElapsed() << " s" < 476 << timer.GetUserElapsed() << " s" << G4endl;
473 } 477 }
474 fGamma = 0.; 478 fGamma = 0.;
475 delete energyVector; 479 delete energyVector;
476 } 480 }
477 481
478 ////////////////////////////////////////////// 482 ////////////////////////////////////////////////////////////////////////
479 // Build XTR angular distribution at given ene 483 // Build XTR angular distribution at given energy based on the model
480 // of transparent regular radiator 484 // of transparent regular radiator
481 void G4VXTRenergyLoss::BuildAngleTable() 485 void G4VXTRenergyLoss::BuildAngleTable()
482 { 486 {
483 G4int iTkin, iTR; 487 G4int iTkin, iTR;
484 G4double energy; 488 G4double energy;
485 489
486 fGammaTkinCut = 0.0; 490 fGammaTkinCut = 0.0;
487 491
488 // setting of min/max TR energies 492 // setting of min/max TR energies
489 if(fGammaTkinCut > fTheMinEnergyTR) 493 if(fGammaTkinCut > fTheMinEnergyTR)
490 fMinEnergyTR = fGammaTkinCut; 494 fMinEnergyTR = fGammaTkinCut;
491 else 495 else
492 fMinEnergyTR = fTheMinEnergyTR; 496 fMinEnergyTR = fTheMinEnergyTR;
493 497
494 if(fGammaTkinCut > fTheMaxEnergyTR) 498 if(fGammaTkinCut > fTheMaxEnergyTR)
495 fMaxEnergyTR = 2.0 * fGammaTkinCut; 499 fMaxEnergyTR = 2.0 * fGammaTkinCut;
496 else 500 else
497 fMaxEnergyTR = fTheMaxEnergyTR; 501 fMaxEnergyTR = fTheMaxEnergyTR;
498 502
499 G4cout.precision(4); 503 G4cout.precision(4);
500 G4Timer timer; 504 G4Timer timer;
501 timer.Start(); 505 timer.Start();
502 if(verboseLevel > 0) 506 if(verboseLevel > 0)
503 { 507 {
504 G4cout << G4endl << "Lorentz Factor" << "\ 508 G4cout << G4endl << "Lorentz Factor" << "\t"
505 << "XTR photon number" << G4endl << 509 << "XTR photon number" << G4endl << G4endl;
506 } 510 }
507 for(iTkin = 0; iTkin < fTotBin; ++iTkin) // 511 for(iTkin = 0; iTkin < fTotBin; ++iTkin) // Lorentz factor loop
508 { 512 {
509 fGamma = 513 fGamma =
510 1.0 + (fProtonEnergyVector->GetLowEdgeEn 514 1.0 + (fProtonEnergyVector->GetLowEdgeEnergy(iTkin) / proton_mass_c2);
511 515
512 // fMaxThetaTR = 25. * 2500.0 / (fGamma * 516 // fMaxThetaTR = 25. * 2500.0 / (fGamma * fGamma); // theta^2
513 517
514 if(fMaxThetaTR > fTheMaxAngle) 518 if(fMaxThetaTR > fTheMaxAngle)
515 fMaxThetaTR = fTheMaxAngle; 519 fMaxThetaTR = fTheMaxAngle;
516 else 520 else
517 { 521 {
518 if(fMaxThetaTR < fTheMinAngle) 522 if(fMaxThetaTR < fTheMinAngle)
519 fMaxThetaTR = fTheMinAngle; 523 fMaxThetaTR = fTheMinAngle;
520 } 524 }
521 525
522 fAngleForEnergyTable = new G4PhysicsTable( 526 fAngleForEnergyTable = new G4PhysicsTable(fBinTR);
523 527
524 for(iTR = 0; iTR < fBinTR; ++iTR) 528 for(iTR = 0; iTR < fBinTR; ++iTR)
525 { 529 {
526 energy = fXTREnergyVector->GetLowEdgeEne 530 energy = fXTREnergyVector->GetLowEdgeEnergy(iTR);
527 531
528 G4PhysicsFreeVector* angleVector = GetAn 532 G4PhysicsFreeVector* angleVector = GetAngleVector(energy, fBinTR);
529 533
530 fAngleForEnergyTable->insertAt(iTR, angl 534 fAngleForEnergyTable->insertAt(iTR, angleVector);
531 } 535 }
532 fAngleBank.push_back(fAngleForEnergyTable) 536 fAngleBank.push_back(fAngleForEnergyTable);
533 } 537 }
534 timer.Stop(); 538 timer.Stop();
535 G4cout.precision(6); 539 G4cout.precision(6);
536 if(verboseLevel > 0) 540 if(verboseLevel > 0)
537 { 541 {
538 G4cout << G4endl; 542 G4cout << G4endl;
539 G4cout << "total time for build XTR angle 543 G4cout << "total time for build XTR angle for given energy tables = "
540 << timer.GetUserElapsed() << " s" < 544 << timer.GetUserElapsed() << " s" << G4endl;
541 } 545 }
542 fGamma = 0.; 546 fGamma = 0.;
543 547
544 return; 548 return;
545 } 549 }
546 550
547 ////////////////////////////////////////////// 551 /////////////////////////////////////////////////////////////////////////
548 // Vector of angles and angle integral distrib 552 // Vector of angles and angle integral distributions
549 G4PhysicsFreeVector* G4VXTRenergyLoss::GetAngl 553 G4PhysicsFreeVector* G4VXTRenergyLoss::GetAngleVector(G4double energy, G4int n)
550 { 554 {
551 G4double theta = 0., result, tmp = 0., cof1, 555 G4double theta = 0., result, tmp = 0., cof1, cof2, cofMin, cofPHC,
552 angleSum = 0.; 556 angleSum = 0.;
553 G4int iTheta, k, kMin; 557 G4int iTheta, k, kMin;
554 558
555 auto angleVector = new G4PhysicsFreeVector(n << 559 G4PhysicsFreeVector* angleVector = new G4PhysicsFreeVector(n);
556 560
557 cofPHC = 4. * pi * hbarc; 561 cofPHC = 4. * pi * hbarc;
558 tmp = (fSigma1 - fSigma2) / cofPHC / ener 562 tmp = (fSigma1 - fSigma2) / cofPHC / energy;
559 cof1 = fPlateThick * tmp; 563 cof1 = fPlateThick * tmp;
560 cof2 = fGasThick * tmp; 564 cof2 = fGasThick * tmp;
561 565
562 cofMin = energy * (fPlateThick + fGasThick) 566 cofMin = energy * (fPlateThick + fGasThick) / fGamma / fGamma;
563 cofMin += (fPlateThick * fSigma1 + fGasThick 567 cofMin += (fPlateThick * fSigma1 + fGasThick * fSigma2) / energy;
564 cofMin /= cofPHC; 568 cofMin /= cofPHC;
565 569
566 kMin = G4int(cofMin); 570 kMin = G4int(cofMin);
567 if(cofMin > kMin) 571 if(cofMin > kMin)
568 kMin++; 572 kMin++;
569 573
570 if(verboseLevel > 2) 574 if(verboseLevel > 2)
571 { 575 {
572 G4cout << "n-1 = " << n - 1 576 G4cout << "n-1 = " << n - 1
573 << "; theta = " << std::sqrt(fMaxTh 577 << "; theta = " << std::sqrt(fMaxThetaTR) * fGamma
574 << "; tmp = " << 0. << "; angleS 578 << "; tmp = " << 0. << "; angleSum = " << angleSum << G4endl;
575 } 579 }
576 580
577 for(iTheta = n - 1; iTheta >= 1; --iTheta) 581 for(iTheta = n - 1; iTheta >= 1; --iTheta)
578 { 582 {
579 k = iTheta - 1 + kMin; 583 k = iTheta - 1 + kMin;
580 tmp = pi * fPlateThick * (k + cof2) / ( 584 tmp = pi * fPlateThick * (k + cof2) / (fPlateThick + fGasThick);
581 result = (k - cof1) * (k - cof1) * (k + co 585 result = (k - cof1) * (k - cof1) * (k + cof2) * (k + cof2);
582 tmp = std::sin(tmp) * std::sin(tmp) * s 586 tmp = std::sin(tmp) * std::sin(tmp) * std::abs(k - cofMin) / result;
583 587
584 if(k == kMin && kMin == G4int(cofMin)) 588 if(k == kMin && kMin == G4int(cofMin))
585 { 589 {
586 // angleSum += 0.5 * tmp; 590 // angleSum += 0.5 * tmp;
587 angleSum += tmp; // ATLAS TB 591 angleSum += tmp; // ATLAS TB
588 } 592 }
589 else if(iTheta == n - 1) 593 else if(iTheta == n - 1)
590 ; 594 ;
591 else 595 else
592 { 596 {
593 angleSum += tmp; 597 angleSum += tmp;
594 } 598 }
595 theta = std::abs(k - cofMin) * cofPHC / en 599 theta = std::abs(k - cofMin) * cofPHC / energy / (fPlateThick + fGasThick);
596 600
597 if(verboseLevel > 2) 601 if(verboseLevel > 2)
598 { 602 {
599 G4cout << "iTheta = " << iTheta << "; k 603 G4cout << "iTheta = " << iTheta << "; k = " << k
600 << "; theta = " << std::sqrt(thet 604 << "; theta = " << std::sqrt(theta) * fGamma << "; tmp = " << tmp
601 << "; angleSum = " << angleSum 605 << "; angleSum = " << angleSum << G4endl;
602 } 606 }
603 angleVector->PutValue(iTheta, theta, angle 607 angleVector->PutValue(iTheta, theta, angleSum);
604 } 608 }
605 if(theta > 0.) 609 if(theta > 0.)
606 { 610 {
607 // angleSum += 0.5 * tmp; 611 // angleSum += 0.5 * tmp;
608 angleSum += 0.; // ATLAS TB 612 angleSum += 0.; // ATLAS TB
609 theta = 0.; 613 theta = 0.;
610 } 614 }
611 if(verboseLevel > 2) 615 if(verboseLevel > 2)
612 { 616 {
613 G4cout << "iTheta = " << iTheta << "; thet 617 G4cout << "iTheta = " << iTheta << "; theta = " << std::sqrt(theta) * fGamma
614 << "; tmp = " << tmp << "; angle 618 << "; tmp = " << tmp << "; angleSum = " << angleSum << G4endl;
615 } 619 }
616 angleVector->PutValue(iTheta, theta, angleSu 620 angleVector->PutValue(iTheta, theta, angleSum);
617 621
618 return angleVector; 622 return angleVector;
619 } 623 }
620 624
621 ////////////////////////////////////////////// 625 ////////////////////////////////////////////////////////////////////////
622 // Build XTR angular distribution based on the 626 // Build XTR angular distribution based on the model of transparent regular
623 // radiator 627 // radiator
624 void G4VXTRenergyLoss::BuildGlobalAngleTable() 628 void G4VXTRenergyLoss::BuildGlobalAngleTable()
625 { 629 {
626 G4int iTkin, iTR, iPlace; 630 G4int iTkin, iTR, iPlace;
627 G4double radiatorCof = 1.0; // for tuning o 631 G4double radiatorCof = 1.0; // for tuning of XTR yield
628 G4double angleSum; 632 G4double angleSum;
629 fAngleDistrTable = new G4PhysicsTable(fTotBi 633 fAngleDistrTable = new G4PhysicsTable(fTotBin);
630 634
631 fGammaTkinCut = 0.0; 635 fGammaTkinCut = 0.0;
632 636
633 // setting of min/max TR energies 637 // setting of min/max TR energies
634 if(fGammaTkinCut > fTheMinEnergyTR) 638 if(fGammaTkinCut > fTheMinEnergyTR)
635 fMinEnergyTR = fGammaTkinCut; 639 fMinEnergyTR = fGammaTkinCut;
636 else 640 else
637 fMinEnergyTR = fTheMinEnergyTR; 641 fMinEnergyTR = fTheMinEnergyTR;
638 642
639 if(fGammaTkinCut > fTheMaxEnergyTR) 643 if(fGammaTkinCut > fTheMaxEnergyTR)
640 fMaxEnergyTR = 2.0 * fGammaTkinCut; 644 fMaxEnergyTR = 2.0 * fGammaTkinCut;
641 else 645 else
642 fMaxEnergyTR = fTheMaxEnergyTR; 646 fMaxEnergyTR = fTheMaxEnergyTR;
643 647
644 G4cout.precision(4); 648 G4cout.precision(4);
645 G4Timer timer; 649 G4Timer timer;
646 timer.Start(); 650 timer.Start();
647 if(verboseLevel > 0) 651 if(verboseLevel > 0)
648 { 652 {
649 G4cout << G4endl; 653 G4cout << G4endl;
650 G4cout << "Lorentz Factor" 654 G4cout << "Lorentz Factor"
651 << "\t" 655 << "\t"
652 << "XTR photon number" << G4endl; 656 << "XTR photon number" << G4endl;
653 G4cout << G4endl; 657 G4cout << G4endl;
654 } 658 }
655 for(iTkin = 0; iTkin < fTotBin; ++iTkin) // 659 for(iTkin = 0; iTkin < fTotBin; ++iTkin) // Lorentz factor loop
656 { 660 {
657 fGamma = 661 fGamma =
658 1.0 + (fProtonEnergyVector->GetLowEdgeEn 662 1.0 + (fProtonEnergyVector->GetLowEdgeEnergy(iTkin) / proton_mass_c2);
659 663
660 // fMaxThetaTR = 25.0 / (fGamma * fGamma); 664 // fMaxThetaTR = 25.0 / (fGamma * fGamma); // theta^2
661 // fMaxThetaTR = 1.e-4; // theta^2 665 // fMaxThetaTR = 1.e-4; // theta^2
662 666
663 if(fMaxThetaTR > fTheMaxAngle) 667 if(fMaxThetaTR > fTheMaxAngle)
664 fMaxThetaTR = fTheMaxAngle; 668 fMaxThetaTR = fTheMaxAngle;
665 else 669 else
666 { 670 {
667 if(fMaxThetaTR < fTheMinAngle) 671 if(fMaxThetaTR < fTheMinAngle)
668 fMaxThetaTR = fTheMinAngle; 672 fMaxThetaTR = fTheMinAngle;
669 } 673 }
670 auto angleVector = << 674 G4PhysicsLinearVector* angleVector =
671 // G4PhysicsLogVector* angleVector = 675 // G4PhysicsLogVector* angleVector =
672 new G4PhysicsLinearVector(0.0, fMaxTheta 676 new G4PhysicsLinearVector(0.0, fMaxThetaTR, fBinTR);
673 // new G4PhysicsLogVector(1.e-8, fMaxThet 677 // new G4PhysicsLogVector(1.e-8, fMaxThetaTR, fBinTR);
674 678
675 angleSum = 0.0; 679 angleSum = 0.0;
676 680
677 G4Integrator<G4VXTRenergyLoss, G4double (G 681 G4Integrator<G4VXTRenergyLoss, G4double (G4VXTRenergyLoss::*)(G4double)>
678 integral; 682 integral;
679 683
680 angleVector->PutValue(fBinTR - 1, angleSum 684 angleVector->PutValue(fBinTR - 1, angleSum);
681 685
682 for(iTR = fBinTR - 2; iTR >= 0; --iTR) 686 for(iTR = fBinTR - 2; iTR >= 0; --iTR)
683 { 687 {
684 angleSum += radiatorCof * fCofTR * 688 angleSum += radiatorCof * fCofTR *
685 integral.Legendre96(this, &G 689 integral.Legendre96(this, &G4VXTRenergyLoss::AngleXTRdEdx,
686 angleVec 690 angleVector->GetLowEdgeEnergy(iTR),
687 angleVec 691 angleVector->GetLowEdgeEnergy(iTR + 1));
688 692
689 angleVector->PutValue(iTR, angleSum); 693 angleVector->PutValue(iTR, angleSum);
690 } 694 }
691 if(verboseLevel > 1) 695 if(verboseLevel > 1)
692 { 696 {
693 G4cout << fGamma << "\t" << angleSum << 697 G4cout << fGamma << "\t" << angleSum << G4endl;
694 } 698 }
695 iPlace = iTkin; 699 iPlace = iTkin;
696 fAngleDistrTable->insertAt(iPlace, angleVe 700 fAngleDistrTable->insertAt(iPlace, angleVector);
697 } 701 }
698 timer.Stop(); 702 timer.Stop();
699 G4cout.precision(6); 703 G4cout.precision(6);
700 if(verboseLevel > 0) 704 if(verboseLevel > 0)
701 { 705 {
702 G4cout << G4endl; 706 G4cout << G4endl;
703 G4cout << "total time for build X-ray TR a 707 G4cout << "total time for build X-ray TR angle tables = "
704 << timer.GetUserElapsed() << " s" < 708 << timer.GetUserElapsed() << " s" << G4endl;
705 } 709 }
706 fGamma = 0.; 710 fGamma = 0.;
707 711
708 return; 712 return;
709 } 713 }
710 714
711 ////////////////////////////////////////////// 715 //////////////////////////////////////////////////////////////////////////////
712 // The main function which is responsible for 716 // The main function which is responsible for the treatment of a particle
713 // passage through G4Envelope with discrete ge 717 // passage through G4Envelope with discrete generation of G4Gamma
714 G4VParticleChange* G4VXTRenergyLoss::PostStepD 718 G4VParticleChange* G4VXTRenergyLoss::PostStepDoIt(const G4Track& aTrack,
715 719 const G4Step& aStep)
716 { 720 {
717 G4int iTkin; 721 G4int iTkin;
718 G4double energyTR, theta, theta2, phi, dirX, 722 G4double energyTR, theta, theta2, phi, dirX, dirY, dirZ;
719 723
720 fParticleChange.Initialize(aTrack); 724 fParticleChange.Initialize(aTrack);
721 725
722 if(verboseLevel > 1) 726 if(verboseLevel > 1)
723 { 727 {
724 G4cout << "Start of G4VXTRenergyLoss::Post 728 G4cout << "Start of G4VXTRenergyLoss::PostStepDoIt " << G4endl;
725 G4cout << "name of current material = " 729 G4cout << "name of current material = "
726 << aTrack.GetVolume()->GetLogicalVo 730 << aTrack.GetVolume()->GetLogicalVolume()->GetMaterial()->GetName()
727 << G4endl; 731 << G4endl;
728 } 732 }
729 if(aTrack.GetVolume()->GetLogicalVolume() != 733 if(aTrack.GetVolume()->GetLogicalVolume() != fEnvelope)
730 { 734 {
731 if(verboseLevel > 0) 735 if(verboseLevel > 0)
732 { 736 {
733 G4cout << "Go out from G4VXTRenergyLoss: 737 G4cout << "Go out from G4VXTRenergyLoss::PostStepDoIt: wrong volume "
734 << G4endl; 738 << G4endl;
735 } 739 }
736 return G4VDiscreteProcess::PostStepDoIt(aT 740 return G4VDiscreteProcess::PostStepDoIt(aTrack, aStep);
737 } 741 }
738 else 742 else
739 { 743 {
740 G4StepPoint* pPostStepPoint = aStep 744 G4StepPoint* pPostStepPoint = aStep.GetPostStepPoint();
741 const G4DynamicParticle* aParticle = aTrac 745 const G4DynamicParticle* aParticle = aTrack.GetDynamicParticle();
742 746
743 // Now we are ready to Generate one TR pho 747 // Now we are ready to Generate one TR photon
744 G4double kinEnergy = aParticle->GetKinetic 748 G4double kinEnergy = aParticle->GetKineticEnergy();
745 G4double mass = aParticle->GetDefinit 749 G4double mass = aParticle->GetDefinition()->GetPDGMass();
746 G4double gamma = 1.0 + kinEnergy / mas 750 G4double gamma = 1.0 + kinEnergy / mass;
747 751
748 if(verboseLevel > 1) 752 if(verboseLevel > 1)
749 { 753 {
750 G4cout << "gamma = " << gamma << G4endl; 754 G4cout << "gamma = " << gamma << G4endl;
751 } 755 }
752 G4double massRatio = proton_mass 756 G4double massRatio = proton_mass_c2 / mass;
753 G4double TkinScaled = kinEnergy * 757 G4double TkinScaled = kinEnergy * massRatio;
754 G4ThreeVector position = pPostStepPo 758 G4ThreeVector position = pPostStepPoint->GetPosition();
755 G4ParticleMomentum direction = aParticle-> 759 G4ParticleMomentum direction = aParticle->GetMomentumDirection();
756 G4double startTime = pPostStepPo 760 G4double startTime = pPostStepPoint->GetGlobalTime();
757 761
758 for(iTkin = 0; iTkin < fTotBin; ++iTkin) 762 for(iTkin = 0; iTkin < fTotBin; ++iTkin)
759 { 763 {
760 if(TkinScaled < fProtonEnergyVector->Get 764 if(TkinScaled < fProtonEnergyVector->GetLowEdgeEnergy(iTkin))
761 break; 765 break;
762 } 766 }
763 767
764 if(iTkin == 0) // Tkin is too small, negl 768 if(iTkin == 0) // Tkin is too small, neglect of TR photon generation
765 { 769 {
766 if(verboseLevel > 0) 770 if(verboseLevel > 0)
767 { 771 {
768 G4cout << "Go out from G4VXTRenergyLos 772 G4cout << "Go out from G4VXTRenergyLoss::PostStepDoIt:iTkin = " << iTkin
769 << G4endl; 773 << G4endl;
770 } 774 }
771 return G4VDiscreteProcess::PostStepDoIt( 775 return G4VDiscreteProcess::PostStepDoIt(aTrack, aStep);
772 } 776 }
773 else // general case: Tkin between two ve 777 else // general case: Tkin between two vectors of the material
774 { 778 {
775 fParticleChange.SetNumberOfSecondaries(1 779 fParticleChange.SetNumberOfSecondaries(1);
776 780
777 energyTR = GetXTRrandomEnergy(TkinScaled 781 energyTR = GetXTRrandomEnergy(TkinScaled, iTkin);
778 782
779 if(verboseLevel > 1) 783 if(verboseLevel > 1)
780 { 784 {
781 G4cout << "energyTR = " << energyTR / 785 G4cout << "energyTR = " << energyTR / keV << " keV" << G4endl;
782 } 786 }
783 if(fAngleRadDistr) 787 if(fAngleRadDistr)
784 { 788 {
785 theta2 = GetRandomAngle(energyTR, iTki 789 theta2 = GetRandomAngle(energyTR, iTkin);
786 if(theta2 > 0.) 790 if(theta2 > 0.)
787 theta = std::sqrt(theta2); 791 theta = std::sqrt(theta2);
788 else 792 else
789 theta = 0.; 793 theta = 0.;
790 } 794 }
791 else 795 else
792 theta = std::fabs(G4RandGauss::shoot(0 796 theta = std::fabs(G4RandGauss::shoot(0.0, pi / gamma));
793 797
794 if(theta >= 0.1) 798 if(theta >= 0.1)
795 theta = 0.1; 799 theta = 0.1;
796 800
797 phi = twopi * G4UniformRand(); 801 phi = twopi * G4UniformRand();
798 802
799 dirX = std::sin(theta) * std::cos(phi); 803 dirX = std::sin(theta) * std::cos(phi);
800 dirY = std::sin(theta) * std::sin(phi); 804 dirY = std::sin(theta) * std::sin(phi);
801 dirZ = std::cos(theta); 805 dirZ = std::cos(theta);
802 806
803 G4ThreeVector directionTR(dirX, dirY, di 807 G4ThreeVector directionTR(dirX, dirY, dirZ);
804 directionTR.rotateUz(direction); 808 directionTR.rotateUz(direction);
805 directionTR.unit(); 809 directionTR.unit();
806 810
807 auto aPhotonTR = << 811 G4DynamicParticle* aPhotonTR =
808 new G4DynamicParticle(G4Gamma::Gamma() 812 new G4DynamicParticle(G4Gamma::Gamma(), directionTR, energyTR);
809 813
810 // A XTR photon is set on the particle t 814 // A XTR photon is set on the particle track inside the radiator
811 // and is moved to the G4Envelope surfac 815 // and is moved to the G4Envelope surface for standard X-ray TR models
812 // only. The case of fExitFlux=true 816 // only. The case of fExitFlux=true
813 817
814 if(fExitFlux) 818 if(fExitFlux)
815 { 819 {
816 const G4RotationMatrix* rotM = 820 const G4RotationMatrix* rotM =
817 pPostStepPoint->GetTouchable()->GetR 821 pPostStepPoint->GetTouchable()->GetRotation();
818 G4ThreeVector transl = pPostStepPoint- 822 G4ThreeVector transl = pPostStepPoint->GetTouchable()->GetTranslation();
819 G4AffineTransform transform = G4Affine 823 G4AffineTransform transform = G4AffineTransform(rotM, transl);
820 transform.Invert(); 824 transform.Invert();
821 G4ThreeVector localP = transform.Trans 825 G4ThreeVector localP = transform.TransformPoint(position);
822 G4ThreeVector localV = transform.Trans 826 G4ThreeVector localV = transform.TransformAxis(directionTR);
823 827
824 G4double distance = 828 G4double distance =
825 fEnvelope->GetSolid()->DistanceToOut 829 fEnvelope->GetSolid()->DistanceToOut(localP, localV);
826 if(verboseLevel > 1) 830 if(verboseLevel > 1)
827 { 831 {
828 G4cout << "distance to exit = " << d 832 G4cout << "distance to exit = " << distance / mm << " mm" << G4endl;
829 } 833 }
830 position += distance * directionTR; 834 position += distance * directionTR;
831 startTime += distance / c_light; 835 startTime += distance / c_light;
832 } 836 }
833 G4Track* aSecondaryTrack = new G4Track(a 837 G4Track* aSecondaryTrack = new G4Track(aPhotonTR, startTime, position);
834 aSecondaryTrack->SetTouchableHandle( 838 aSecondaryTrack->SetTouchableHandle(
835 aStep.GetPostStepPoint()->GetTouchable 839 aStep.GetPostStepPoint()->GetTouchableHandle());
836 aSecondaryTrack->SetParentID(aTrack.GetT 840 aSecondaryTrack->SetParentID(aTrack.GetTrackID());
837 841
838 fParticleChange.AddSecondary(aSecondaryT 842 fParticleChange.AddSecondary(aSecondaryTrack);
839 fParticleChange.ProposeEnergy(kinEnergy) 843 fParticleChange.ProposeEnergy(kinEnergy);
840 } 844 }
841 } 845 }
842 return G4VDiscreteProcess::PostStepDoIt(aTra 846 return G4VDiscreteProcess::PostStepDoIt(aTrack, aStep);
843 } 847 }
844 848
845 ////////////////////////////////////////////// 849 ///////////////////////////////////////////////////////////////////////
846 // This function returns the spectral and angl 850 // This function returns the spectral and angle density of TR quanta
847 // in X-ray energy region generated forward wh 851 // in X-ray energy region generated forward when a relativistic
848 // charged particle crosses interface between 852 // charged particle crosses interface between two materials.
849 // The high energy small theta approximation i 853 // The high energy small theta approximation is applied.
850 // (matter1 -> matter2, or 2->1) 854 // (matter1 -> matter2, or 2->1)
851 // varAngle =2* (1 - std::cos(theta)) or appro 855 // varAngle =2* (1 - std::cos(theta)) or approximately = theta*theta
852 G4complex G4VXTRenergyLoss::OneInterfaceXTRdEd 856 G4complex G4VXTRenergyLoss::OneInterfaceXTRdEdx(G4double energy, G4double gamma,
853 857 G4double varAngle)
854 { 858 {
855 G4complex Z1 = GetPlateComplexFZ(energy, gam 859 G4complex Z1 = GetPlateComplexFZ(energy, gamma, varAngle);
856 G4complex Z2 = GetGasComplexFZ(energy, gamma 860 G4complex Z2 = GetGasComplexFZ(energy, gamma, varAngle);
857 861
858 G4complex zOut = (Z1 - Z2) * (Z1 - Z2) * (va 862 G4complex zOut = (Z1 - Z2) * (Z1 - Z2) * (varAngle * energy / hbarc / hbarc);
859 return zOut; 863 return zOut;
860 } 864 }
861 865
862 ////////////////////////////////////////////// 866 //////////////////////////////////////////////////////////////////////////////
863 // For photon energy distribution tables. Inte 867 // For photon energy distribution tables. Integrate first over angle
864 G4double G4VXTRenergyLoss::SpectralAngleXTRdEd 868 G4double G4VXTRenergyLoss::SpectralAngleXTRdEdx(G4double varAngle)
865 { 869 {
866 G4double result = GetStackFactor(fEnergy, fG 870 G4double result = GetStackFactor(fEnergy, fGamma, varAngle);
867 if(result < 0.0) 871 if(result < 0.0)
868 result = 0.0; 872 result = 0.0;
869 return result; 873 return result;
870 } 874 }
871 875
872 ////////////////////////////////////////////// 876 /////////////////////////////////////////////////////////////////////////
873 // For second integration over energy 877 // For second integration over energy
874 G4double G4VXTRenergyLoss::SpectralXTRdEdx(G4d 878 G4double G4VXTRenergyLoss::SpectralXTRdEdx(G4double energy)
875 { 879 {
876 G4int i; 880 G4int i;
877 static constexpr G4int iMax = 8; 881 static constexpr G4int iMax = 8;
878 G4double angleSum = 0.0; 882 G4double angleSum = 0.0;
879 883
880 G4double lim[iMax] = { 0.0, 0.01, 0.02, 0.05 884 G4double lim[iMax] = { 0.0, 0.01, 0.02, 0.05, 0.1, 0.2, 0.5, 1.0 };
881 885
882 for(i = 0; i < iMax; ++i) 886 for(i = 0; i < iMax; ++i)
883 lim[i] *= fMaxThetaTR; 887 lim[i] *= fMaxThetaTR;
884 888
885 G4Integrator<G4VXTRenergyLoss, G4double (G4V 889 G4Integrator<G4VXTRenergyLoss, G4double (G4VXTRenergyLoss::*)(G4double)>
886 integral; 890 integral;
887 891
888 fEnergy = energy; 892 fEnergy = energy;
889 { 893 {
890 for(i = 0; i < iMax - 1; ++i) 894 for(i = 0; i < iMax - 1; ++i)
891 { 895 {
892 angleSum += integral.Legendre96( 896 angleSum += integral.Legendre96(
893 this, &G4VXTRenergyLoss::SpectralAngle 897 this, &G4VXTRenergyLoss::SpectralAngleXTRdEdx, lim[i], lim[i + 1]);
894 } 898 }
895 } 899 }
896 return angleSum; 900 return angleSum;
897 } 901 }
898 902
899 ////////////////////////////////////////////// 903 //////////////////////////////////////////////////////////////////////////
900 // for photon angle distribution tables 904 // for photon angle distribution tables
901 G4double G4VXTRenergyLoss::AngleSpectralXTRdEd 905 G4double G4VXTRenergyLoss::AngleSpectralXTRdEdx(G4double energy)
902 { 906 {
903 G4double result = GetStackFactor(energy, fGa 907 G4double result = GetStackFactor(energy, fGamma, fVarAngle);
904 if(result < 0) 908 if(result < 0)
905 result = 0.0; 909 result = 0.0;
906 return result; 910 return result;
907 } 911 }
908 912
909 ////////////////////////////////////////////// 913 ///////////////////////////////////////////////////////////////////////////
910 // The XTR angular distribution based on trans 914 // The XTR angular distribution based on transparent regular radiator
911 G4double G4VXTRenergyLoss::AngleXTRdEdx(G4doub 915 G4double G4VXTRenergyLoss::AngleXTRdEdx(G4double varAngle)
912 { 916 {
913 G4double result; 917 G4double result;
914 G4double sum = 0., tmp1, tmp2, tmp = 0., cof 918 G4double sum = 0., tmp1, tmp2, tmp = 0., cof1, cof2, cofMin, cofPHC, energy1,
915 energy2; 919 energy2;
916 G4int k, kMax, kMin, i; 920 G4int k, kMax, kMin, i;
917 921
918 cofPHC = twopi * hbarc; 922 cofPHC = twopi * hbarc;
919 923
920 cof1 = (fPlateThick + fGasThick) * (1. / fGa 924 cof1 = (fPlateThick + fGasThick) * (1. / fGamma / fGamma + varAngle);
921 cof2 = fPlateThick * fSigma1 + fGasThick * f 925 cof2 = fPlateThick * fSigma1 + fGasThick * fSigma2;
922 926
923 cofMin = std::sqrt(cof1 * cof2); 927 cofMin = std::sqrt(cof1 * cof2);
924 cofMin /= cofPHC; 928 cofMin /= cofPHC;
925 929
926 kMin = G4int(cofMin); 930 kMin = G4int(cofMin);
927 if(cofMin > kMin) 931 if(cofMin > kMin)
928 kMin++; 932 kMin++;
929 933
930 kMax = kMin + 9; 934 kMax = kMin + 9;
931 935
932 for(k = kMin; k <= kMax; ++k) 936 for(k = kMin; k <= kMax; ++k)
933 { 937 {
934 tmp1 = cofPHC * k; 938 tmp1 = cofPHC * k;
935 tmp2 = std::sqrt(tmp1 * tmp1 - cof1 * c 939 tmp2 = std::sqrt(tmp1 * tmp1 - cof1 * cof2);
936 energy1 = (tmp1 + tmp2) / cof1; 940 energy1 = (tmp1 + tmp2) / cof1;
937 energy2 = (tmp1 - tmp2) / cof1; 941 energy2 = (tmp1 - tmp2) / cof1;
938 942
939 for(i = 0; i < 2; ++i) 943 for(i = 0; i < 2; ++i)
940 { 944 {
941 if(i == 0) 945 if(i == 0)
942 { 946 {
943 if(energy1 > fTheMaxEnergyTR || energy 947 if(energy1 > fTheMaxEnergyTR || energy1 < fTheMinEnergyTR)
944 continue; 948 continue;
945 949
946 tmp1 = 950 tmp1 =
947 (energy1 * energy1 * (1. / fGamma / 951 (energy1 * energy1 * (1. / fGamma / fGamma + varAngle) + fSigma1) *
948 fPlateThick / (4 * hbarc * energy1); 952 fPlateThick / (4 * hbarc * energy1);
949 tmp2 = std::sin(tmp1); 953 tmp2 = std::sin(tmp1);
950 tmp = energy1 * tmp2 * tmp2; 954 tmp = energy1 * tmp2 * tmp2;
951 tmp2 = fPlateThick / (4. * tmp1); 955 tmp2 = fPlateThick / (4. * tmp1);
952 tmp1 = 956 tmp1 =
953 hbarc * energy1 / 957 hbarc * energy1 /
954 (energy1 * energy1 * (1. / fGamma / 958 (energy1 * energy1 * (1. / fGamma / fGamma + varAngle) + fSigma2);
955 tmp *= (tmp1 - tmp2) * (tmp1 - tmp2); 959 tmp *= (tmp1 - tmp2) * (tmp1 - tmp2);
956 tmp1 = cof1 / (4. * hbarc) - cof2 / (4 960 tmp1 = cof1 / (4. * hbarc) - cof2 / (4. * hbarc * energy1 * energy1);
957 tmp2 = std::abs(tmp1); 961 tmp2 = std::abs(tmp1);
958 962
959 if(tmp2 > 0.) 963 if(tmp2 > 0.)
960 tmp /= tmp2; 964 tmp /= tmp2;
961 else 965 else
962 continue; 966 continue;
963 } 967 }
964 else 968 else
965 { 969 {
966 if(energy2 > fTheMaxEnergyTR || energy 970 if(energy2 > fTheMaxEnergyTR || energy2 < fTheMinEnergyTR)
967 continue; 971 continue;
968 972
969 tmp1 = 973 tmp1 =
970 (energy2 * energy2 * (1. / fGamma / 974 (energy2 * energy2 * (1. / fGamma / fGamma + varAngle) + fSigma1) *
971 fPlateThick / (4. * hbarc * energy2) 975 fPlateThick / (4. * hbarc * energy2);
972 tmp2 = std::sin(tmp1); 976 tmp2 = std::sin(tmp1);
973 tmp = energy2 * tmp2 * tmp2; 977 tmp = energy2 * tmp2 * tmp2;
974 tmp2 = fPlateThick / (4. * tmp1); 978 tmp2 = fPlateThick / (4. * tmp1);
975 tmp1 = 979 tmp1 =
976 hbarc * energy2 / 980 hbarc * energy2 /
977 (energy2 * energy2 * (1. / fGamma / 981 (energy2 * energy2 * (1. / fGamma / fGamma + varAngle) + fSigma2);
978 tmp *= (tmp1 - tmp2) * (tmp1 - tmp2); 982 tmp *= (tmp1 - tmp2) * (tmp1 - tmp2);
979 tmp1 = cof1 / (4. * hbarc) - cof2 / (4 983 tmp1 = cof1 / (4. * hbarc) - cof2 / (4. * hbarc * energy2 * energy2);
980 tmp2 = std::abs(tmp1); 984 tmp2 = std::abs(tmp1);
981 985
982 if(tmp2 > 0.) 986 if(tmp2 > 0.)
983 tmp /= tmp2; 987 tmp /= tmp2;
984 else 988 else
985 continue; 989 continue;
986 } 990 }
987 sum += tmp; 991 sum += tmp;
988 } 992 }
989 } 993 }
990 result = 4. * pi * fPlateNumber * sum * varA 994 result = 4. * pi * fPlateNumber * sum * varAngle;
991 result /= hbarc * hbarc; 995 result /= hbarc * hbarc;
992 996
993 return result; 997 return result;
994 } 998 }
995 999
996 ////////////////////////////////////////////// 1000 //////////////////////////////////////////////////////////////////////
997 // Calculates formation zone for plates. Omega 1001 // Calculates formation zone for plates. Omega is energy !!!
998 G4double G4VXTRenergyLoss::GetPlateFormationZo 1002 G4double G4VXTRenergyLoss::GetPlateFormationZone(G4double omega, G4double gamma,
999 1003 G4double varAngle)
1000 { 1004 {
1001 G4double cof, lambda; 1005 G4double cof, lambda;
1002 lambda = 1.0 / gamma / gamma + varAngle + f 1006 lambda = 1.0 / gamma / gamma + varAngle + fSigma1 / omega / omega;
1003 cof = 2.0 * hbarc / omega / lambda; 1007 cof = 2.0 * hbarc / omega / lambda;
1004 return cof; 1008 return cof;
1005 } 1009 }
1006 1010
1007 ///////////////////////////////////////////// 1011 //////////////////////////////////////////////////////////////////////
1008 // Calculates complex formation zone for plat 1012 // Calculates complex formation zone for plates. Omega is energy !!!
1009 G4complex G4VXTRenergyLoss::GetPlateComplexFZ 1013 G4complex G4VXTRenergyLoss::GetPlateComplexFZ(G4double omega, G4double gamma,
1010 1014 G4double varAngle)
1011 { 1015 {
1012 G4double cof, length, delta, real_v, image_ 1016 G4double cof, length, delta, real_v, image_v;
1013 1017
1014 length = 0.5 * GetPlateFormationZone(omega, 1018 length = 0.5 * GetPlateFormationZone(omega, gamma, varAngle);
1015 delta = length * GetPlateLinearPhotoAbs(om 1019 delta = length * GetPlateLinearPhotoAbs(omega);
1016 cof = 1.0 / (1.0 + delta * delta); 1020 cof = 1.0 / (1.0 + delta * delta);
1017 1021
1018 real_v = length * cof; 1022 real_v = length * cof;
1019 image_v = real_v * delta; 1023 image_v = real_v * delta;
1020 1024
1021 G4complex zone(real_v, image_v); 1025 G4complex zone(real_v, image_v);
1022 return zone; 1026 return zone;
1023 } 1027 }
1024 1028
1025 ///////////////////////////////////////////// 1029 ////////////////////////////////////////////////////////////////////////
1026 // Computes matrix of Sandia photo absorption 1030 // Computes matrix of Sandia photo absorption cross section coefficients for
1027 // plate material 1031 // plate material
1028 void G4VXTRenergyLoss::ComputePlatePhotoAbsCo 1032 void G4VXTRenergyLoss::ComputePlatePhotoAbsCof()
1029 { 1033 {
1030 const G4MaterialTable* theMaterialTable = G 1034 const G4MaterialTable* theMaterialTable = G4Material::GetMaterialTable();
1031 const G4Material* mat = ( 1035 const G4Material* mat = (*theMaterialTable)[fMatIndex1];
1032 fPlatePhotoAbsCof = m 1036 fPlatePhotoAbsCof = mat->GetSandiaTable();
1033 1037
1034 return; 1038 return;
1035 } 1039 }
1036 1040
1037 ///////////////////////////////////////////// 1041 //////////////////////////////////////////////////////////////////////
1038 // Returns the value of linear photo absorpti 1042 // Returns the value of linear photo absorption coefficient (in reciprocal
1039 // length) for plate for given energy of X-ra 1043 // length) for plate for given energy of X-ray photon omega
1040 G4double G4VXTRenergyLoss::GetPlateLinearPhot 1044 G4double G4VXTRenergyLoss::GetPlateLinearPhotoAbs(G4double omega)
1041 { 1045 {
1042 G4double omega2, omega3, omega4; 1046 G4double omega2, omega3, omega4;
1043 1047
1044 omega2 = omega * omega; 1048 omega2 = omega * omega;
1045 omega3 = omega2 * omega; 1049 omega3 = omega2 * omega;
1046 omega4 = omega2 * omega2; 1050 omega4 = omega2 * omega2;
1047 1051
1048 const G4double* SandiaCof = fPlatePhotoAbsC 1052 const G4double* SandiaCof = fPlatePhotoAbsCof->GetSandiaCofForMaterial(omega);
1049 G4double cross = SandiaCof[0] / 1053 G4double cross = SandiaCof[0] / omega + SandiaCof[1] / omega2 +
1050 SandiaCof[2] / omega3 + Sa 1054 SandiaCof[2] / omega3 + SandiaCof[3] / omega4;
1051 return cross; 1055 return cross;
1052 } 1056 }
1053 1057
1054 ///////////////////////////////////////////// 1058 //////////////////////////////////////////////////////////////////////
1055 // Calculates formation zone for gas. Omega i 1059 // Calculates formation zone for gas. Omega is energy !!!
1056 G4double G4VXTRenergyLoss::GetGasFormationZon 1060 G4double G4VXTRenergyLoss::GetGasFormationZone(G4double omega, G4double gamma,
1057 1061 G4double varAngle)
1058 { 1062 {
1059 G4double cof, lambda; 1063 G4double cof, lambda;
1060 lambda = 1.0 / gamma / gamma + varAngle + f 1064 lambda = 1.0 / gamma / gamma + varAngle + fSigma2 / omega / omega;
1061 cof = 2.0 * hbarc / omega / lambda; 1065 cof = 2.0 * hbarc / omega / lambda;
1062 return cof; 1066 return cof;
1063 } 1067 }
1064 1068
1065 ///////////////////////////////////////////// 1069 //////////////////////////////////////////////////////////////////////
1066 // Calculates complex formation zone for gas 1070 // Calculates complex formation zone for gas gaps. Omega is energy !!!
1067 G4complex G4VXTRenergyLoss::GetGasComplexFZ(G 1071 G4complex G4VXTRenergyLoss::GetGasComplexFZ(G4double omega, G4double gamma,
1068 G 1072 G4double varAngle)
1069 { 1073 {
1070 G4double cof, length, delta, real_v, image_ 1074 G4double cof, length, delta, real_v, image_v;
1071 1075
1072 length = 0.5 * GetGasFormationZone(omega, g 1076 length = 0.5 * GetGasFormationZone(omega, gamma, varAngle);
1073 delta = length * GetGasLinearPhotoAbs(omeg 1077 delta = length * GetGasLinearPhotoAbs(omega);
1074 cof = 1.0 / (1.0 + delta * delta); 1078 cof = 1.0 / (1.0 + delta * delta);
1075 1079
1076 real_v = length * cof; 1080 real_v = length * cof;
1077 image_v = real_v * delta; 1081 image_v = real_v * delta;
1078 1082
1079 G4complex zone(real_v, image_v); 1083 G4complex zone(real_v, image_v);
1080 return zone; 1084 return zone;
1081 } 1085 }
1082 1086
1083 ///////////////////////////////////////////// 1087 ////////////////////////////////////////////////////////////////////////
1084 // Computes matrix of Sandia photo absorption 1088 // Computes matrix of Sandia photo absorption cross section coefficients for
1085 // gas material 1089 // gas material
1086 void G4VXTRenergyLoss::ComputeGasPhotoAbsCof( 1090 void G4VXTRenergyLoss::ComputeGasPhotoAbsCof()
1087 { 1091 {
1088 const G4MaterialTable* theMaterialTable = G 1092 const G4MaterialTable* theMaterialTable = G4Material::GetMaterialTable();
1089 const G4Material* mat = ( 1093 const G4Material* mat = (*theMaterialTable)[fMatIndex2];
1090 fGasPhotoAbsCof = m 1094 fGasPhotoAbsCof = mat->GetSandiaTable();
1091 return; 1095 return;
1092 } 1096 }
1093 1097
1094 ///////////////////////////////////////////// 1098 //////////////////////////////////////////////////////////////////////
1095 // Returns the value of linear photo absorpti 1099 // Returns the value of linear photo absorption coefficient (in reciprocal
1096 // length) for gas 1100 // length) for gas
1097 G4double G4VXTRenergyLoss::GetGasLinearPhotoA 1101 G4double G4VXTRenergyLoss::GetGasLinearPhotoAbs(G4double omega)
1098 { 1102 {
1099 G4double omega2, omega3, omega4; 1103 G4double omega2, omega3, omega4;
1100 1104
1101 omega2 = omega * omega; 1105 omega2 = omega * omega;
1102 omega3 = omega2 * omega; 1106 omega3 = omega2 * omega;
1103 omega4 = omega2 * omega2; 1107 omega4 = omega2 * omega2;
1104 1108
1105 const G4double* SandiaCof = fGasPhotoAbsCof 1109 const G4double* SandiaCof = fGasPhotoAbsCof->GetSandiaCofForMaterial(omega);
1106 G4double cross = SandiaCof[0] / 1110 G4double cross = SandiaCof[0] / omega + SandiaCof[1] / omega2 +
1107 SandiaCof[2] / omega3 + Sa 1111 SandiaCof[2] / omega3 + SandiaCof[3] / omega4;
1108 return cross; 1112 return cross;
1109 } 1113 }
1110 1114
1111 ///////////////////////////////////////////// 1115 //////////////////////////////////////////////////////////////////////
1112 // Calculates the product of linear cof by fo 1116 // Calculates the product of linear cof by formation zone for plate.
1113 // Omega is energy !!! 1117 // Omega is energy !!!
1114 G4double G4VXTRenergyLoss::GetPlateZmuProduct 1118 G4double G4VXTRenergyLoss::GetPlateZmuProduct(G4double omega, G4double gamma,
1115 1119 G4double varAngle)
1116 { 1120 {
1117 return GetPlateFormationZone(omega, gamma, 1121 return GetPlateFormationZone(omega, gamma, varAngle) *
1118 GetPlateLinearPhotoAbs(omega); 1122 GetPlateLinearPhotoAbs(omega);
1119 } 1123 }
1120 ///////////////////////////////////////////// 1124 //////////////////////////////////////////////////////////////////////
1121 // Calculates the product of linear cof by fo 1125 // Calculates the product of linear cof by formation zone for plate.
1122 // G4cout and output in file in some energy r 1126 // G4cout and output in file in some energy range.
1123 void G4VXTRenergyLoss::GetPlateZmuProduct() 1127 void G4VXTRenergyLoss::GetPlateZmuProduct()
1124 { 1128 {
1125 std::ofstream outPlate("plateZmu.dat", std: 1129 std::ofstream outPlate("plateZmu.dat", std::ios::out);
1126 outPlate.setf(std::ios::scientific, std::io 1130 outPlate.setf(std::ios::scientific, std::ios::floatfield);
1127 1131
1128 G4int i; 1132 G4int i;
1129 G4double omega, varAngle, gamma; 1133 G4double omega, varAngle, gamma;
1130 gamma = 10000.; 1134 gamma = 10000.;
1131 varAngle = 1 / gamma / gamma; 1135 varAngle = 1 / gamma / gamma;
1132 if(verboseLevel > 0) 1136 if(verboseLevel > 0)
1133 G4cout << "energy, keV" << "\t" << "Zmu f 1137 G4cout << "energy, keV" << "\t" << "Zmu for plate" << G4endl;
1134 for(i = 0; i < 100; ++i) 1138 for(i = 0; i < 100; ++i)
1135 { 1139 {
1136 omega = (1.0 + i) * keV; 1140 omega = (1.0 + i) * keV;
1137 if(verboseLevel > 1) 1141 if(verboseLevel > 1)
1138 G4cout << omega / keV << "\t" 1142 G4cout << omega / keV << "\t"
1139 << GetPlateZmuProduct(omega, gam 1143 << GetPlateZmuProduct(omega, gamma, varAngle) << "\t";
1140 if(verboseLevel > 0) 1144 if(verboseLevel > 0)
1141 outPlate << omega / keV << "\t\t" 1145 outPlate << omega / keV << "\t\t"
1142 << GetPlateZmuProduct(omega, g 1146 << GetPlateZmuProduct(omega, gamma, varAngle) << G4endl;
1143 } 1147 }
1144 return; 1148 return;
1145 } 1149 }
1146 1150
1147 ///////////////////////////////////////////// 1151 //////////////////////////////////////////////////////////////////////
1148 // Calculates the product of linear cof by fo 1152 // Calculates the product of linear cof by formation zone for gas.
1149 // Omega is energy !!! 1153 // Omega is energy !!!
1150 G4double G4VXTRenergyLoss::GetGasZmuProduct(G 1154 G4double G4VXTRenergyLoss::GetGasZmuProduct(G4double omega, G4double gamma,
1151 G 1155 G4double varAngle)
1152 { 1156 {
1153 return GetGasFormationZone(omega, gamma, va 1157 return GetGasFormationZone(omega, gamma, varAngle) *
1154 GetGasLinearPhotoAbs(omega); 1158 GetGasLinearPhotoAbs(omega);
1155 } 1159 }
1156 1160
1157 ///////////////////////////////////////////// 1161 //////////////////////////////////////////////////////////////////////
1158 // Calculates the product of linear cof by fo 1162 // Calculates the product of linear cof by formation zone for gas.
1159 // G4cout and output in file in some energy r 1163 // G4cout and output in file in some energy range.
1160 void G4VXTRenergyLoss::GetGasZmuProduct() 1164 void G4VXTRenergyLoss::GetGasZmuProduct()
1161 { 1165 {
1162 std::ofstream outGas("gasZmu.dat", std::ios 1166 std::ofstream outGas("gasZmu.dat", std::ios::out);
1163 outGas.setf(std::ios::scientific, std::ios: 1167 outGas.setf(std::ios::scientific, std::ios::floatfield);
1164 G4int i; 1168 G4int i;
1165 G4double omega, varAngle, gamma; 1169 G4double omega, varAngle, gamma;
1166 gamma = 10000.; 1170 gamma = 10000.;
1167 varAngle = 1 / gamma / gamma; 1171 varAngle = 1 / gamma / gamma;
1168 if(verboseLevel > 0) 1172 if(verboseLevel > 0)
1169 G4cout << "energy, keV" << "\t" << "Zmu f 1173 G4cout << "energy, keV" << "\t" << "Zmu for gas" << G4endl;
1170 for(i = 0; i < 100; ++i) 1174 for(i = 0; i < 100; ++i)
1171 { 1175 {
1172 omega = (1.0 + i) * keV; 1176 omega = (1.0 + i) * keV;
1173 if(verboseLevel > 1) 1177 if(verboseLevel > 1)
1174 G4cout << omega / keV << "\t" << GetGas 1178 G4cout << omega / keV << "\t" << GetGasZmuProduct(omega, gamma, varAngle)
1175 << "\t"; 1179 << "\t";
1176 if(verboseLevel > 0) 1180 if(verboseLevel > 0)
1177 outGas << omega / keV << "\t\t" 1181 outGas << omega / keV << "\t\t"
1178 << GetGasZmuProduct(omega, gamma 1182 << GetGasZmuProduct(omega, gamma, varAngle) << G4endl;
1179 } 1183 }
1180 return; 1184 return;
1181 } 1185 }
1182 1186
1183 ///////////////////////////////////////////// 1187 ////////////////////////////////////////////////////////////////////////
1184 // Computes Compton cross section for plate m 1188 // Computes Compton cross section for plate material in 1/mm
1185 G4double G4VXTRenergyLoss::GetPlateCompton(G4 1189 G4double G4VXTRenergyLoss::GetPlateCompton(G4double omega)
1186 { 1190 {
1187 G4int i, numberOfElements; 1191 G4int i, numberOfElements;
1188 G4double xSection = 0., nowZ, sumZ = 0.; 1192 G4double xSection = 0., nowZ, sumZ = 0.;
1189 1193
1190 const G4MaterialTable* theMaterialTable = G 1194 const G4MaterialTable* theMaterialTable = G4Material::GetMaterialTable();
1191 numberOfElements = (G4int)(*theMaterialTabl << 1195 numberOfElements = (*theMaterialTable)[fMatIndex1]->GetNumberOfElements();
1192 1196
1193 for(i = 0; i < numberOfElements; ++i) 1197 for(i = 0; i < numberOfElements; ++i)
1194 { 1198 {
1195 nowZ = (*theMaterialTable)[fMatIndex1]->G 1199 nowZ = (*theMaterialTable)[fMatIndex1]->GetElement(i)->GetZ();
1196 sumZ += nowZ; 1200 sumZ += nowZ;
1197 xSection += GetComptonPerAtom(omega, nowZ 1201 xSection += GetComptonPerAtom(omega, nowZ);
1198 } 1202 }
1199 xSection /= sumZ; 1203 xSection /= sumZ;
1200 xSection *= (*theMaterialTable)[fMatIndex1] 1204 xSection *= (*theMaterialTable)[fMatIndex1]->GetElectronDensity();
1201 return xSection; 1205 return xSection;
1202 } 1206 }
1203 1207
1204 ///////////////////////////////////////////// 1208 ////////////////////////////////////////////////////////////////////////
1205 // Computes Compton cross section for gas mat 1209 // Computes Compton cross section for gas material in 1/mm
1206 G4double G4VXTRenergyLoss::GetGasCompton(G4do 1210 G4double G4VXTRenergyLoss::GetGasCompton(G4double omega)
1207 { 1211 {
1208 G4double xSection = 0., sumZ = 0.; << 1212 G4int i, numberOfElements;
>> 1213 G4double xSection = 0., nowZ, sumZ = 0.;
1209 1214
1210 const G4MaterialTable* theMaterialTable = G 1215 const G4MaterialTable* theMaterialTable = G4Material::GetMaterialTable();
1211 G4int numberOfElements = (G4int)(*theMateri << 1216 numberOfElements = (*theMaterialTable)[fMatIndex2]->GetNumberOfElements();
1212 1217
1213 for (G4int i = 0; i < numberOfElements; ++i << 1218 for(i = 0; i < numberOfElements; ++i)
1214 { 1219 {
1215 G4double nowZ = (*theMaterialTable)[fMatI << 1220 nowZ = (*theMaterialTable)[fMatIndex2]->GetElement(i)->GetZ();
1216 sumZ += nowZ; 1221 sumZ += nowZ;
1217 xSection += GetComptonPerAtom(omega, nowZ 1222 xSection += GetComptonPerAtom(omega, nowZ);
1218 } 1223 }
1219 if (sumZ > 0.0) { xSection /= sumZ; } << 1224 xSection /= sumZ;
1220 xSection *= (*theMaterialTable)[fMatIndex2] 1225 xSection *= (*theMaterialTable)[fMatIndex2]->GetElectronDensity();
1221 return xSection; 1226 return xSection;
1222 } 1227 }
1223 1228
1224 ///////////////////////////////////////////// 1229 ////////////////////////////////////////////////////////////////////////
1225 // Computes Compton cross section per atom wi 1230 // Computes Compton cross section per atom with Z electrons for gamma with
1226 // the energy GammaEnergy 1231 // the energy GammaEnergy
1227 G4double G4VXTRenergyLoss::GetComptonPerAtom( 1232 G4double G4VXTRenergyLoss::GetComptonPerAtom(G4double GammaEnergy, G4double Z)
1228 { 1233 {
1229 G4double CrossSection = 0.0; 1234 G4double CrossSection = 0.0;
1230 if(Z < 0.9999) 1235 if(Z < 0.9999)
1231 return CrossSection; 1236 return CrossSection;
1232 if(GammaEnergy < 0.1 * keV) 1237 if(GammaEnergy < 0.1 * keV)
1233 return CrossSection; 1238 return CrossSection;
1234 if(GammaEnergy > (100. * GeV / Z)) 1239 if(GammaEnergy > (100. * GeV / Z))
1235 return CrossSection; 1240 return CrossSection;
1236 1241
1237 static constexpr G4double a = 20.0; 1242 static constexpr G4double a = 20.0;
1238 static constexpr G4double b = 230.0; 1243 static constexpr G4double b = 230.0;
1239 static constexpr G4double c = 440.0; 1244 static constexpr G4double c = 440.0;
1240 1245
1241 static constexpr G4double d1 = 2.7965e-1 * 1246 static constexpr G4double d1 = 2.7965e-1 * barn, d2 = -1.8300e-1 * barn,
1242 d3 = 6.7527 * bar 1247 d3 = 6.7527 * barn, d4 = -1.9798e+1 * barn,
1243 e1 = 1.9756e-5 * 1248 e1 = 1.9756e-5 * barn, e2 = -1.0205e-2 * barn,
1244 e3 = -7.3913e-2 * 1249 e3 = -7.3913e-2 * barn, e4 = 2.7079e-2 * barn,
1245 f1 = -3.9178e-7 * 1250 f1 = -3.9178e-7 * barn, f2 = 6.8241e-5 * barn,
1246 f3 = 6.0480e-5 * 1251 f3 = 6.0480e-5 * barn, f4 = 3.0274e-4 * barn;
1247 1252
1248 G4double p1Z = Z * (d1 + e1 * Z + f1 * Z * 1253 G4double p1Z = Z * (d1 + e1 * Z + f1 * Z * Z);
1249 G4double p2Z = Z * (d2 + e2 * Z + f2 * Z * 1254 G4double p2Z = Z * (d2 + e2 * Z + f2 * Z * Z);
1250 G4double p3Z = Z * (d3 + e3 * Z + f3 * Z * 1255 G4double p3Z = Z * (d3 + e3 * Z + f3 * Z * Z);
1251 G4double p4Z = Z * (d4 + e4 * Z + f4 * Z * 1256 G4double p4Z = Z * (d4 + e4 * Z + f4 * Z * Z);
1252 1257
1253 G4double T0 = 15.0 * keV; 1258 G4double T0 = 15.0 * keV;
1254 if(Z < 1.5) 1259 if(Z < 1.5)
1255 T0 = 40.0 * keV; 1260 T0 = 40.0 * keV;
1256 1261
1257 G4double X = std::max(GammaEnergy, T0) / el 1262 G4double X = std::max(GammaEnergy, T0) / electron_mass_c2;
1258 CrossSection = 1263 CrossSection =
1259 p1Z * std::log(1. + 2. * X) / X + 1264 p1Z * std::log(1. + 2. * X) / X +
1260 (p2Z + p3Z * X + p4Z * X * X) / (1. + a * 1265 (p2Z + p3Z * X + p4Z * X * X) / (1. + a * X + b * X * X + c * X * X * X);
1261 1266
1262 // modification for low energy. (special c 1267 // modification for low energy. (special case for Hydrogen)
1263 if(GammaEnergy < T0) 1268 if(GammaEnergy < T0)
1264 { 1269 {
1265 G4double dT0 = 1. * keV; 1270 G4double dT0 = 1. * keV;
1266 X = (T0 + dT0) / electron_mass 1271 X = (T0 + dT0) / electron_mass_c2;
1267 G4double sigma = 1272 G4double sigma =
1268 p1Z * std::log(1. + 2. * X) / X + 1273 p1Z * std::log(1. + 2. * X) / X +
1269 (p2Z + p3Z * X + p4Z * X * X) / (1. + a 1274 (p2Z + p3Z * X + p4Z * X * X) / (1. + a * X + b * X * X + c * X * X * X);
1270 G4double c1 = -T0 * (sigma - CrossSection 1275 G4double c1 = -T0 * (sigma - CrossSection) / (CrossSection * dT0);
1271 G4double c2 = 0.150; 1276 G4double c2 = 0.150;
1272 if(Z > 1.5) 1277 if(Z > 1.5)
1273 c2 = 0.375 - 0.0556 * std::log(Z); 1278 c2 = 0.375 - 0.0556 * std::log(Z);
1274 G4double y = std::log(GammaEnergy / T0); 1279 G4double y = std::log(GammaEnergy / T0);
1275 CrossSection *= std::exp(-y * (c1 + c2 * 1280 CrossSection *= std::exp(-y * (c1 + c2 * y));
1276 } 1281 }
1277 return CrossSection; 1282 return CrossSection;
1278 } 1283 }
1279 1284
1280 ///////////////////////////////////////////// 1285 ///////////////////////////////////////////////////////////////////////
1281 // This function returns the spectral and ang 1286 // This function returns the spectral and angle density of TR quanta
1282 // in X-ray energy region generated forward w 1287 // in X-ray energy region generated forward when a relativistic
1283 // charged particle crosses interface between 1288 // charged particle crosses interface between two materials.
1284 // The high energy small theta approximation 1289 // The high energy small theta approximation is applied.
1285 // (matter1 -> matter2, or 2->1) 1290 // (matter1 -> matter2, or 2->1)
1286 // varAngle =2* (1 - std::cos(theta)) or appr 1291 // varAngle =2* (1 - std::cos(theta)) or approximately = theta*theta
1287 G4double G4VXTRenergyLoss::OneBoundaryXTRNden 1292 G4double G4VXTRenergyLoss::OneBoundaryXTRNdensity(G4double energy,
1288 1293 G4double gamma,
1289 1294 G4double varAngle) const
1290 { 1295 {
1291 G4double formationLength1, formationLength2 1296 G4double formationLength1, formationLength2;
1292 formationLength1 = 1297 formationLength1 =
1293 1.0 / (1.0 / (gamma * gamma) + fSigma1 / 1298 1.0 / (1.0 / (gamma * gamma) + fSigma1 / (energy * energy) + varAngle);
1294 formationLength2 = 1299 formationLength2 =
1295 1.0 / (1.0 / (gamma * gamma) + fSigma2 / 1300 1.0 / (1.0 / (gamma * gamma) + fSigma2 / (energy * energy) + varAngle);
1296 return (varAngle / energy) * (formationLeng 1301 return (varAngle / energy) * (formationLength1 - formationLength2) *
1297 (formationLength1 - formationLength2 1302 (formationLength1 - formationLength2);
1298 } 1303 }
1299 1304
1300 G4double G4VXTRenergyLoss::GetStackFactor(G4d 1305 G4double G4VXTRenergyLoss::GetStackFactor(G4double energy, G4double gamma,
1301 G4d 1306 G4double varAngle)
1302 { 1307 {
1303 // return stack factor corresponding to one 1308 // return stack factor corresponding to one interface
1304 return std::real(OneInterfaceXTRdEdx(energy 1309 return std::real(OneInterfaceXTRdEdx(energy, gamma, varAngle));
1305 } 1310 }
1306 1311
1307 ///////////////////////////////////////////// 1312 //////////////////////////////////////////////////////////////////////////////
1308 // For photon energy distribution tables. Int 1313 // For photon energy distribution tables. Integrate first over angle
1309 G4double G4VXTRenergyLoss::XTRNSpectralAngleD 1314 G4double G4VXTRenergyLoss::XTRNSpectralAngleDensity(G4double varAngle)
1310 { 1315 {
1311 return OneBoundaryXTRNdensity(fEnergy, fGam 1316 return OneBoundaryXTRNdensity(fEnergy, fGamma, varAngle) *
1312 GetStackFactor(fEnergy, fGamma, varA 1317 GetStackFactor(fEnergy, fGamma, varAngle);
1313 } 1318 }
1314 1319
1315 ///////////////////////////////////////////// 1320 /////////////////////////////////////////////////////////////////////////
1316 // For second integration over energy 1321 // For second integration over energy
1317 G4double G4VXTRenergyLoss::XTRNSpectralDensit 1322 G4double G4VXTRenergyLoss::XTRNSpectralDensity(G4double energy)
1318 { 1323 {
1319 fEnergy = energy; 1324 fEnergy = energy;
1320 G4Integrator<G4VXTRenergyLoss, G4double (G4 1325 G4Integrator<G4VXTRenergyLoss, G4double (G4VXTRenergyLoss::*)(G4double)>
1321 integral; 1326 integral;
1322 return integral.Legendre96(this, &G4VXTRene 1327 return integral.Legendre96(this, &G4VXTRenergyLoss::XTRNSpectralAngleDensity,
1323 0.0, 0.2 * fMaxT 1328 0.0, 0.2 * fMaxThetaTR) +
1324 integral.Legendre10(this, &G4VXTRene 1329 integral.Legendre10(this, &G4VXTRenergyLoss::XTRNSpectralAngleDensity,
1325 0.2 * fMaxThetaT 1330 0.2 * fMaxThetaTR, fMaxThetaTR);
1326 } 1331 }
1327 1332
1328 ///////////////////////////////////////////// 1333 //////////////////////////////////////////////////////////////////////////
1329 // for photon angle distribution tables 1334 // for photon angle distribution tables
1330 G4double G4VXTRenergyLoss::XTRNAngleSpectralD 1335 G4double G4VXTRenergyLoss::XTRNAngleSpectralDensity(G4double energy)
1331 { 1336 {
1332 return OneBoundaryXTRNdensity(energy, fGamm 1337 return OneBoundaryXTRNdensity(energy, fGamma, fVarAngle) *
1333 GetStackFactor(energy, fGamma, fVarA 1338 GetStackFactor(energy, fGamma, fVarAngle);
1334 } 1339 }
1335 1340
1336 ///////////////////////////////////////////// 1341 ///////////////////////////////////////////////////////////////////////////
1337 G4double G4VXTRenergyLoss::XTRNAngleDensity(G 1342 G4double G4VXTRenergyLoss::XTRNAngleDensity(G4double varAngle)
1338 { 1343 {
1339 fVarAngle = varAngle; 1344 fVarAngle = varAngle;
1340 G4Integrator<G4VXTRenergyLoss, G4double (G4 1345 G4Integrator<G4VXTRenergyLoss, G4double (G4VXTRenergyLoss::*)(G4double)>
1341 integral; 1346 integral;
1342 return integral.Legendre96(this, &G4VXTRene 1347 return integral.Legendre96(this, &G4VXTRenergyLoss::XTRNAngleSpectralDensity,
1343 fMinEnergyTR, fM 1348 fMinEnergyTR, fMaxEnergyTR);
1344 } 1349 }
1345 1350
1346 ///////////////////////////////////////////// 1351 //////////////////////////////////////////////////////////////////////////////
1347 // Check number of photons for a range of Lor 1352 // Check number of photons for a range of Lorentz factors from both energy
1348 // and angular tables 1353 // and angular tables
1349 void G4VXTRenergyLoss::GetNumberOfPhotons() 1354 void G4VXTRenergyLoss::GetNumberOfPhotons()
1350 { 1355 {
1351 G4int iTkin; 1356 G4int iTkin;
1352 G4double gamma, numberE; 1357 G4double gamma, numberE;
1353 1358
1354 std::ofstream outEn("numberE.dat", std::ios 1359 std::ofstream outEn("numberE.dat", std::ios::out);
1355 outEn.setf(std::ios::scientific, std::ios:: 1360 outEn.setf(std::ios::scientific, std::ios::floatfield);
1356 1361
1357 std::ofstream outAng("numberAng.dat", std:: 1362 std::ofstream outAng("numberAng.dat", std::ios::out);
1358 outAng.setf(std::ios::scientific, std::ios: 1363 outAng.setf(std::ios::scientific, std::ios::floatfield);
1359 1364
1360 for(iTkin = 0; iTkin < fTotBin; ++iTkin) / 1365 for(iTkin = 0; iTkin < fTotBin; ++iTkin) // Lorentz factor loop
1361 { 1366 {
1362 gamma = 1367 gamma =
1363 1.0 + (fProtonEnergyVector->GetLowEdgeE 1368 1.0 + (fProtonEnergyVector->GetLowEdgeEnergy(iTkin) / proton_mass_c2);
1364 numberE = (*(*fEnergyDistrTable)(iTkin))( 1369 numberE = (*(*fEnergyDistrTable)(iTkin))(0);
1365 if(verboseLevel > 1) 1370 if(verboseLevel > 1)
1366 G4cout << gamma << "\t\t" << numberE << 1371 G4cout << gamma << "\t\t" << numberE << "\t" << G4endl;
1367 if(verboseLevel > 0) 1372 if(verboseLevel > 0)
1368 outEn << gamma << "\t\t" << numberE << 1373 outEn << gamma << "\t\t" << numberE << G4endl;
1369 } 1374 }
1370 return; 1375 return;
1371 } 1376 }
1372 1377
1373 ///////////////////////////////////////////// 1378 /////////////////////////////////////////////////////////////////////////
1374 // Returns random energy of a X-ray TR photon 1379 // Returns random energy of a X-ray TR photon for given scaled kinetic energy
1375 // of a charged particle 1380 // of a charged particle
1376 G4double G4VXTRenergyLoss::GetXTRrandomEnergy 1381 G4double G4VXTRenergyLoss::GetXTRrandomEnergy(G4double scaledTkin, G4int iTkin)
1377 { 1382 {
1378 G4int iTransfer, iPlace; 1383 G4int iTransfer, iPlace;
1379 G4double transfer = 0.0, position, E1, E2, 1384 G4double transfer = 0.0, position, E1, E2, W1, W2, W;
1380 1385
1381 iPlace = iTkin - 1; 1386 iPlace = iTkin - 1;
1382 1387
1383 if(iTkin == fTotBin) // relativistic plato 1388 if(iTkin == fTotBin) // relativistic plato, try from left
1384 { 1389 {
1385 position = (*(*fEnergyDistrTable)(iPlace) 1390 position = (*(*fEnergyDistrTable)(iPlace))(0) * G4UniformRand();
1386 1391
1387 for(iTransfer = 0;; ++iTransfer) 1392 for(iTransfer = 0;; ++iTransfer)
1388 { 1393 {
1389 if(position >= (*(*fEnergyDistrTable)(i 1394 if(position >= (*(*fEnergyDistrTable)(iPlace))(iTransfer))
1390 break; 1395 break;
1391 } 1396 }
1392 transfer = GetXTRenergy(iPlace, position, 1397 transfer = GetXTRenergy(iPlace, position, iTransfer);
1393 } 1398 }
1394 else 1399 else
1395 { 1400 {
1396 E1 = fProtonEnergyVector->GetLowEdgeEnerg 1401 E1 = fProtonEnergyVector->GetLowEdgeEnergy(iTkin - 1);
1397 E2 = fProtonEnergyVector->GetLowEdgeEnerg 1402 E2 = fProtonEnergyVector->GetLowEdgeEnergy(iTkin);
1398 W = 1.0 / (E2 - E1); 1403 W = 1.0 / (E2 - E1);
1399 W1 = (E2 - scaledTkin) * W; 1404 W1 = (E2 - scaledTkin) * W;
1400 W2 = (scaledTkin - E1) * W; 1405 W2 = (scaledTkin - E1) * W;
1401 1406
1402 position = ((*(*fEnergyDistrTable)(iPlace 1407 position = ((*(*fEnergyDistrTable)(iPlace))(0) * W1 +
1403 (*(*fEnergyDistrTable)(iPlace 1408 (*(*fEnergyDistrTable)(iPlace + 1))(0) * W2) *
1404 G4UniformRand(); 1409 G4UniformRand();
1405 1410
1406 for(iTransfer = 0;; ++iTransfer) 1411 for(iTransfer = 0;; ++iTransfer)
1407 { 1412 {
1408 if(position >= ((*(*fEnergyDistrTable)( 1413 if(position >= ((*(*fEnergyDistrTable)(iPlace))(iTransfer) *W1 +
1409 (*(*fEnergyDistrTable)( 1414 (*(*fEnergyDistrTable)(iPlace + 1))(iTransfer) *W2))
1410 break; 1415 break;
1411 } 1416 }
1412 transfer = GetXTRenergy(iPlace, position, 1417 transfer = GetXTRenergy(iPlace, position, iTransfer);
1413 } 1418 }
1414 if(transfer < 0.0) 1419 if(transfer < 0.0)
1415 transfer = 0.0; 1420 transfer = 0.0;
1416 return transfer; 1421 return transfer;
1417 } 1422 }
1418 1423
1419 ///////////////////////////////////////////// 1424 ////////////////////////////////////////////////////////////////////////
1420 // Returns approximate position of X-ray phot 1425 // Returns approximate position of X-ray photon energy during random sampling
1421 // over integral energy distribution 1426 // over integral energy distribution
1422 G4double G4VXTRenergyLoss::GetXTRenergy(G4int 1427 G4double G4VXTRenergyLoss::GetXTRenergy(G4int iPlace, G4double, G4int iTransfer)
1423 { 1428 {
1424 G4double x1, x2, y1, y2, result; 1429 G4double x1, x2, y1, y2, result;
1425 1430
1426 if(iTransfer == 0) 1431 if(iTransfer == 0)
1427 { 1432 {
1428 result = (*fEnergyDistrTable)(iPlace)->Ge 1433 result = (*fEnergyDistrTable)(iPlace)->GetLowEdgeEnergy(iTransfer);
1429 } 1434 }
1430 else 1435 else
1431 { 1436 {
1432 y1 = (*(*fEnergyDistrTable)(iPlace))(iTra 1437 y1 = (*(*fEnergyDistrTable)(iPlace))(iTransfer - 1);
1433 y2 = (*(*fEnergyDistrTable)(iPlace))(iTra 1438 y2 = (*(*fEnergyDistrTable)(iPlace))(iTransfer);
1434 1439
1435 x1 = (*fEnergyDistrTable)(iPlace)->GetLow 1440 x1 = (*fEnergyDistrTable)(iPlace)->GetLowEdgeEnergy(iTransfer - 1);
1436 x2 = (*fEnergyDistrTable)(iPlace)->GetLow 1441 x2 = (*fEnergyDistrTable)(iPlace)->GetLowEdgeEnergy(iTransfer);
1437 1442
1438 if(x1 == x2) 1443 if(x1 == x2)
1439 result = x2; 1444 result = x2;
1440 else 1445 else
1441 { 1446 {
1442 if(y1 == y2) 1447 if(y1 == y2)
1443 result = x1 + (x2 - x1) * G4UniformRa 1448 result = x1 + (x2 - x1) * G4UniformRand();
1444 else 1449 else
1445 { 1450 {
1446 result = x1 + (x2 - x1) * G4UniformRa 1451 result = x1 + (x2 - x1) * G4UniformRand();
1447 } 1452 }
1448 } 1453 }
1449 } 1454 }
1450 return result; 1455 return result;
1451 } 1456 }
1452 1457
1453 ///////////////////////////////////////////// 1458 /////////////////////////////////////////////////////////////////////////
1454 // Get XTR photon angle at given energy and 1459 // Get XTR photon angle at given energy and Tkin
1455 1460
1456 G4double G4VXTRenergyLoss::GetRandomAngle(G4d 1461 G4double G4VXTRenergyLoss::GetRandomAngle(G4double energyXTR, G4int iTkin)
1457 { 1462 {
1458 G4int iTR, iAngle; 1463 G4int iTR, iAngle;
1459 G4double position, angle; 1464 G4double position, angle;
1460 1465
1461 if(iTkin == fTotBin) 1466 if(iTkin == fTotBin)
1462 --iTkin; 1467 --iTkin;
1463 1468
1464 fAngleForEnergyTable = fAngleBank[iTkin]; 1469 fAngleForEnergyTable = fAngleBank[iTkin];
1465 1470
1466 for(iTR = 0; iTR < fBinTR; ++iTR) 1471 for(iTR = 0; iTR < fBinTR; ++iTR)
1467 { 1472 {
1468 if(energyXTR < fXTREnergyVector->GetLowEd 1473 if(energyXTR < fXTREnergyVector->GetLowEdgeEnergy(iTR))
1469 break; 1474 break;
1470 } 1475 }
1471 if(iTR == fBinTR) 1476 if(iTR == fBinTR)
1472 --iTR; 1477 --iTR;
1473 1478
1474 position = (*(*fAngleForEnergyTable)(iTR))( 1479 position = (*(*fAngleForEnergyTable)(iTR))(0) * G4UniformRand();
1475 // position = (*(*fAngleForEnergyTable)(iTR 1480 // position = (*(*fAngleForEnergyTable)(iTR))(1) * G4UniformRand(); // ATLAS TB
1476 1481
1477 for(iAngle = 0;; ++iAngle) 1482 for(iAngle = 0;; ++iAngle)
1478 // for(iAngle = 1;; ++iAngle) // ATLAS TB 1483 // for(iAngle = 1;; ++iAngle) // ATLAS TB
1479 { 1484 {
1480 if(position >= (*(*fAngleForEnergyTable)( 1485 if(position >= (*(*fAngleForEnergyTable)(iTR))(iAngle))
1481 break; 1486 break;
1482 } 1487 }
1483 angle = GetAngleXTR(iTR, position, iAngle); 1488 angle = GetAngleXTR(iTR, position, iAngle);
1484 return angle; 1489 return angle;
1485 } 1490 }
1486 1491
1487 ///////////////////////////////////////////// 1492 ////////////////////////////////////////////////////////////////////////
1488 // Returns approximate position of X-ray phot 1493 // Returns approximate position of X-ray photon angle at given energy during
1489 // random sampling over integral energy distr 1494 // random sampling over integral energy distribution
1490 1495
1491 G4double G4VXTRenergyLoss::GetAngleXTR(G4int 1496 G4double G4VXTRenergyLoss::GetAngleXTR(G4int iPlace, G4double position,
1492 G4int 1497 G4int iTransfer)
1493 { 1498 {
1494 G4double x1, x2, y1, y2, result; 1499 G4double x1, x2, y1, y2, result;
1495 1500
1496 if( iTransfer == 0 ) 1501 if( iTransfer == 0 )
1497 // if( iTransfer == 1 ) // ATLAS TB 1502 // if( iTransfer == 1 ) // ATLAS TB
1498 { 1503 {
1499 result = (*fAngleForEnergyTable)(iPlace)- 1504 result = (*fAngleForEnergyTable)(iPlace)->GetLowEdgeEnergy(iTransfer);
1500 } 1505 }
1501 else 1506 else
1502 { 1507 {
1503 y1 = (*(*fAngleForEnergyTable)(iPlace))(i 1508 y1 = (*(*fAngleForEnergyTable)(iPlace))(iTransfer - 1);
1504 y2 = (*(*fAngleForEnergyTable)(iPlace))(i 1509 y2 = (*(*fAngleForEnergyTable)(iPlace))(iTransfer);
1505 1510
1506 x1 = (*fAngleForEnergyTable)(iPlace)->Get 1511 x1 = (*fAngleForEnergyTable)(iPlace)->GetLowEdgeEnergy(iTransfer - 1);
1507 x2 = (*fAngleForEnergyTable)(iPlace)->Get 1512 x2 = (*fAngleForEnergyTable)(iPlace)->GetLowEdgeEnergy(iTransfer);
1508 1513
1509 if(x1 == x2) result = x2; 1514 if(x1 == x2) result = x2;
1510 else 1515 else
1511 { 1516 {
1512 if( y1 == y2 ) result = x1 + (x2 - x1) 1517 if( y1 == y2 ) result = x1 + (x2 - x1) * G4UniformRand();
1513 else 1518 else
1514 { 1519 {
1515 result = x1 + (position - y1) * (x2 - 1520 result = x1 + (position - y1) * (x2 - x1) / (y2 - y1);
1516 // result = x1 + 0.1*(position - y1) 1521 // result = x1 + 0.1*(position - y1) * (x2 - x1) / (y2 - y1); // ATLAS TB
1517 // result = x1 + 0.05*(position - y1) 1522 // result = x1 + 0.05*(position - y1) * (x2 - x1) / (y2 - y1); // ATLAS TB
1518 } 1523 }
1519 } 1524 }
1520 } 1525 }
1521 return result; 1526 return result;
1522 } 1527 }
1523 1528