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25 // 25 //
>> 26 //
>> 27 // $Id$
>> 28 //
26 // History: 29 // History:
27 // 2001-2002 R&D by V.Grichine 30 // 2001-2002 R&D by V.Grichine
28 // 19.06.03 V. Grichine, modifications in Buil << 31 // 19.06.03 V. Grichine, modifications in BuildTable for the integration
29 // in respect of angle: 32 // in respect of angle: range is increased, accuracy is
30 // improved 33 // improved
31 // 28.07.05, P.Gumplinger add G4ProcessType to 34 // 28.07.05, P.Gumplinger add G4ProcessType to constructor
32 // 28.09.07, V.Ivanchenko general cleanup with 35 // 28.09.07, V.Ivanchenko general cleanup without change of algorithms
33 // 36 //
34 37
35 #include "G4VXTRenergyLoss.hh" 38 #include "G4VXTRenergyLoss.hh"
36 39
37 #include "G4AffineTransform.hh" << 40 #include "G4Timer.hh"
38 #include "G4DynamicParticle.hh" <<
39 #include "G4EmProcessSubType.hh" <<
40 #include "G4Integrator.hh" <<
41 #include "G4MaterialTable.hh" <<
42 #include "G4ParticleMomentum.hh" <<
43 #include "G4PhysicalConstants.hh" 41 #include "G4PhysicalConstants.hh"
44 #include "G4PhysicsFreeVector.hh" <<
45 #include "G4PhysicsLinearVector.hh" <<
46 #include "G4PhysicsLogVector.hh" <<
47 #include "G4RotationMatrix.hh" <<
48 #include "G4SandiaTable.hh" <<
49 #include "G4SystemOfUnits.hh" 42 #include "G4SystemOfUnits.hh"
50 #include "G4ThreeVector.hh" << 43
51 #include "G4Timer.hh" << 44 #include "G4Poisson.hh"
>> 45 #include "G4MaterialTable.hh"
52 #include "G4VDiscreteProcess.hh" 46 #include "G4VDiscreteProcess.hh"
53 #include "G4VParticleChange.hh" 47 #include "G4VParticleChange.hh"
54 #include "G4VSolid.hh" 48 #include "G4VSolid.hh"
55 #include "G4PhysicsModelCatalog.hh" << 49
>> 50 #include "G4RotationMatrix.hh"
>> 51 #include "G4ThreeVector.hh"
>> 52 #include "G4AffineTransform.hh"
>> 53 #include "G4SandiaTable.hh"
>> 54
>> 55 #include "G4PhysicsVector.hh"
>> 56 #include "G4PhysicsFreeVector.hh"
>> 57 #include "G4PhysicsLinearVector.hh"
56 58
57 ////////////////////////////////////////////// 59 ////////////////////////////////////////////////////////////////////////////
>> 60 //
58 // Constructor, destructor 61 // Constructor, destructor
59 G4VXTRenergyLoss::G4VXTRenergyLoss(G4LogicalVo << 62
60 G4Material* << 63 G4VXTRenergyLoss::G4VXTRenergyLoss(G4LogicalVolume *anEnvelope,
61 G4double a, << 64 G4Material* foilMat,G4Material* gasMat,
62 const G4Str << 65 G4double a, G4double b,
63 G4ProcessTy << 66 G4int n,const G4String& processName,
64 : G4VDiscreteProcess(processName, type) << 67 G4ProcessType type) :
65 , fGammaCutInKineticEnergy(nullptr) << 68 G4VDiscreteProcess(processName, type),
66 , fAngleDistrTable(nullptr) << 69 fGammaCutInKineticEnergy(0),
67 , fEnergyDistrTable(nullptr) << 70 fGammaTkinCut(0),
68 , fAngleForEnergyTable(nullptr) << 71 fAngleDistrTable(0),
69 , fPlatePhotoAbsCof(nullptr) << 72 fEnergyDistrTable(0),
70 , fGasPhotoAbsCof(nullptr) << 73 fPlatePhotoAbsCof(0),
71 , fGammaTkinCut(0.0) << 74 fGasPhotoAbsCof(0),
>> 75 fAngleForEnergyTable(0)
72 { 76 {
73 verboseLevel = 1; 77 verboseLevel = 1;
74 secID = G4PhysicsModelCatalog::GetModelID("m <<
75 SetProcessSubType(fTransitionRadiation); <<
76 <<
77 fPtrGamma = nullptr; <<
78 fMinEnergyTR = fMaxEnergyTR = fMaxThetaTR = <<
79 fVarAngle = fLambda = fTotalDist = fPlateThi <<
80 fAlphaPlate = 100.; <<
81 fAlphaGas = 40.; <<
82 <<
83 fTheMinEnergyTR = CLHEP::keV * 1.; // 1.; / <<
84 fTheMaxEnergyTR = CLHEP::keV * 100.; // 40.; <<
85 <<
86 fTheMinAngle = 1.e-8; // <<
87 fTheMaxAngle = 4.e-4; <<
88 <<
89 fTotBin = 50; // number of bins in log sca <<
90 fBinTR = 100; // number of bins in TR vec <<
91 fKrange = 229; <<
92 // min/max angle2 in log-vectors <<
93 78
94 fMinThetaTR = 3.0e-9; << 79 fPtrGamma = 0;
95 fMaxThetaTR = 1.0e-4; << 80 fMinEnergyTR = fMaxEnergyTR = fMaxThetaTR = fGamma = fEnergy = fVarAngle
>> 81 = fLambda = fTotalDist = fPlateThick = fGasThick = fAlphaPlate = fAlphaGas = 0.0;
>> 82
>> 83 // Initialization of local constants
>> 84 fTheMinEnergyTR = 1.0*keV;
>> 85 fTheMaxEnergyTR = 100.0*keV;
>> 86 fTheMaxAngle = 1.0e-2;
>> 87 fTheMinAngle = 5.0e-6;
>> 88 fBinTR = 50;
>> 89
>> 90 fMinProtonTkin = 100.0*GeV;
>> 91 fMaxProtonTkin = 100.0*TeV;
>> 92 fTotBin = 50;
96 93
97 <<
98 // Proton energy vector initialization 94 // Proton energy vector initialization
99 fProtonEnergyVector = <<
100 new G4PhysicsLogVector(fMinProtonTkin, fMa <<
101 95
102 fXTREnergyVector = << 96 fProtonEnergyVector = new G4PhysicsLogVector(fMinProtonTkin,
103 new G4PhysicsLogVector(fTheMinEnergyTR, fT << 97 fMaxProtonTkin,
>> 98 fTotBin );
>> 99
>> 100 fXTREnergyVector = new G4PhysicsLogVector(fTheMinEnergyTR,
>> 101 fTheMaxEnergyTR,
>> 102 fBinTR );
>> 103
>> 104 fPlasmaCof = 4.0*pi*fine_structure_const*hbarc*hbarc*hbarc/electron_mass_c2;
>> 105
>> 106 fCofTR = fine_structure_const/pi;
104 107
105 fEnvelope = anEnvelope; << 108 fEnvelope = anEnvelope;
106 109
107 fPlateNumber = n; 110 fPlateNumber = n;
108 if(verboseLevel > 0) 111 if(verboseLevel > 0)
109 G4cout << "### G4VXTRenergyLoss: the numbe << 112 G4cout<<"### G4VXTRenergyLoss: the number of TR radiator plates = "
110 << fPlateNumber << G4endl; << 113 <<fPlateNumber<<G4endl;
111 if(fPlateNumber == 0) 114 if(fPlateNumber == 0)
112 { 115 {
113 G4Exception("G4VXTRenergyLoss::G4VXTRenerg << 116 G4Exception("G4VXTRenergyLoss::G4VXTRenergyLoss()","VXTRELoss01",
114 FatalException, "No plates in << 117 FatalException,"No plates in X-ray TR radiator");
115 } 118 }
116 // default is XTR dEdx, not flux after radia 119 // default is XTR dEdx, not flux after radiator
>> 120
117 fExitFlux = false; 121 fExitFlux = false;
118 // default angle distribution according nume << 122 fAngleRadDistr = false;
119 fFastAngle = false; // no angle accordin <<
120 fAngleRadDistr = true; <<
121 fCompton = false; 123 fCompton = false;
122 124
123 fLambda = DBL_MAX; 125 fLambda = DBL_MAX;
124 <<
125 // Mean thicknesses of plates and gas gaps 126 // Mean thicknesses of plates and gas gaps
>> 127
126 fPlateThick = a; 128 fPlateThick = a;
127 fGasThick = b; 129 fGasThick = b;
128 fTotalDist = fPlateNumber * (fPlateThick + << 130 fTotalDist = fPlateNumber*(fPlateThick+fGasThick);
129 if(verboseLevel > 0) 131 if(verboseLevel > 0)
130 G4cout << "total radiator thickness = " << << 132 G4cout<<"total radiator thickness = "<<fTotalDist/cm<<" cm"<<G4endl;
131 << G4endl; <<
132 133
133 // index of plate material 134 // index of plate material
134 fMatIndex1 = (G4int)foilMat->GetIndex(); << 135 fMatIndex1 = foilMat->GetIndex();
135 if(verboseLevel > 0) 136 if(verboseLevel > 0)
136 G4cout << "plate material = " << foilMat-> << 137 G4cout<<"plate material = "<<foilMat->GetName()<<G4endl;
137 138
138 // index of gas material 139 // index of gas material
139 fMatIndex2 = (G4int)gasMat->GetIndex(); << 140 fMatIndex2 = gasMat->GetIndex();
140 if(verboseLevel > 0) 141 if(verboseLevel > 0)
141 G4cout << "gas material = " << gasMat->Get << 142 G4cout<<"gas material = "<<gasMat->GetName()<<G4endl;
142 143
143 // plasma energy squared for plate material 144 // plasma energy squared for plate material
144 fSigma1 = fPlasmaCof * foilMat->GetElectronD << 145
>> 146 fSigma1 = fPlasmaCof*foilMat->GetElectronDensity();
>> 147 // fSigma1 = (20.9*eV)*(20.9*eV);
145 if(verboseLevel > 0) 148 if(verboseLevel > 0)
146 G4cout << "plate plasma energy = " << std: << 149 G4cout<<"plate plasma energy = "<<std::sqrt(fSigma1)/eV<<" eV"<<G4endl;
147 << G4endl; <<
148 150
149 // plasma energy squared for gas material 151 // plasma energy squared for gas material
150 fSigma2 = fPlasmaCof * gasMat->GetElectronDe << 152
>> 153 fSigma2 = fPlasmaCof*gasMat->GetElectronDensity();
151 if(verboseLevel > 0) 154 if(verboseLevel > 0)
152 G4cout << "gas plasma energy = " << std::s << 155 G4cout<<"gas plasma energy = "<<std::sqrt(fSigma2)/eV<<" eV"<<G4endl;
153 << G4endl; <<
154 156
155 // Compute cofs for preparation of linear ph 157 // Compute cofs for preparation of linear photo absorption
>> 158
156 ComputePlatePhotoAbsCof(); 159 ComputePlatePhotoAbsCof();
157 ComputeGasPhotoAbsCof(); 160 ComputeGasPhotoAbsCof();
158 161
159 pParticleChange = &fParticleChange; 162 pParticleChange = &fParticleChange;
160 } 163 }
161 164
162 ////////////////////////////////////////////// 165 ///////////////////////////////////////////////////////////////////////////
>> 166
163 G4VXTRenergyLoss::~G4VXTRenergyLoss() 167 G4VXTRenergyLoss::~G4VXTRenergyLoss()
164 { 168 {
>> 169 if(fEnvelope) delete fEnvelope;
165 delete fProtonEnergyVector; 170 delete fProtonEnergyVector;
166 delete fXTREnergyVector; 171 delete fXTREnergyVector;
167 if(fEnergyDistrTable) << 172 delete fEnergyDistrTable;
168 { << 173 if(fAngleRadDistr) delete fAngleDistrTable;
169 fEnergyDistrTable->clearAndDestroy(); << 174 delete fAngleForEnergyTable;
170 delete fEnergyDistrTable; <<
171 } <<
172 if(fAngleRadDistr) <<
173 { <<
174 fAngleDistrTable->clearAndDestroy(); <<
175 delete fAngleDistrTable; <<
176 } <<
177 if(fAngleForEnergyTable) <<
178 { <<
179 fAngleForEnergyTable->clearAndDestroy(); <<
180 delete fAngleForEnergyTable; <<
181 } <<
182 } <<
183 <<
184 void G4VXTRenergyLoss::ProcessDescription(std: <<
185 { <<
186 out << "Base class for 'fast' parameterisati <<
187 "transition\n" <<
188 "radiation. Angular distribution is v <<
189 } 175 }
190 176
191 ////////////////////////////////////////////// 177 ///////////////////////////////////////////////////////////////////////////////
>> 178 //
192 // Returns condition for application of the mo 179 // Returns condition for application of the model depending on particle type
>> 180
>> 181
193 G4bool G4VXTRenergyLoss::IsApplicable(const G4 182 G4bool G4VXTRenergyLoss::IsApplicable(const G4ParticleDefinition& particle)
194 { 183 {
195 return (particle.GetPDGCharge() != 0.0); << 184 return ( particle.GetPDGCharge() != 0.0 );
196 } 185 }
197 186
198 ////////////////////////////////////////////// 187 /////////////////////////////////////////////////////////////////////////////////
>> 188 //
199 // Calculate step size for XTR process inside 189 // Calculate step size for XTR process inside raaditor
200 G4double G4VXTRenergyLoss::GetMeanFreePath(con << 190
201 G4F << 191 G4double G4VXTRenergyLoss::GetMeanFreePath(const G4Track& aTrack,
>> 192 G4double, // previousStepSize,
>> 193 G4ForceCondition* condition)
202 { 194 {
203 G4int iTkin, iPlace; 195 G4int iTkin, iPlace;
204 G4double lambda, sigma, kinEnergy, mass, gam 196 G4double lambda, sigma, kinEnergy, mass, gamma;
205 G4double charge, chargeSq, massRatio, TkinSc 197 G4double charge, chargeSq, massRatio, TkinScaled;
206 G4double E1, E2, W, W1, W2; << 198 G4double E1,E2,W,W1,W2;
207 199
208 *condition = NotForced; 200 *condition = NotForced;
209 << 201
210 if(aTrack.GetVolume()->GetLogicalVolume() != << 202 if( aTrack.GetVolume()->GetLogicalVolume() != fEnvelope ) lambda = DBL_MAX;
211 lambda = DBL_MAX; <<
212 else 203 else
213 { 204 {
214 const G4DynamicParticle* aParticle = aTrac 205 const G4DynamicParticle* aParticle = aTrack.GetDynamicParticle();
215 kinEnergy = aPart << 206 kinEnergy = aParticle->GetKineticEnergy();
216 mass = aParticle->GetDefinition()->GetPDG << 207 mass = aParticle->GetDefinition()->GetPDGMass();
217 gamma = 1.0 + kinEnergy / mass; << 208 gamma = 1.0 + kinEnergy/mass;
218 if(verboseLevel > 1) 209 if(verboseLevel > 1)
219 { 210 {
220 G4cout << " gamma = " << gamma << "; f << 211 G4cout<<" gamma = "<<gamma<<"; fGamma = "<<fGamma<<G4endl;
221 } 212 }
222 213
223 if(std::fabs(gamma - fGamma) < 0.05 * gamm << 214 if ( std::fabs( gamma - fGamma ) < 0.05*gamma ) lambda = fLambda;
224 lambda = fLambda; <<
225 else 215 else
226 { 216 {
227 charge = aParticle->GetDefinition()- << 217 charge = aParticle->GetDefinition()->GetPDGCharge();
228 chargeSq = charge * charge; << 218 chargeSq = charge*charge;
229 massRatio = proton_mass_c2 / mass; << 219 massRatio = proton_mass_c2/mass;
230 TkinScaled = kinEnergy * massRatio; << 220 TkinScaled = kinEnergy*massRatio;
231 221
232 for(iTkin = 0; iTkin < fTotBin; ++iTkin) << 222 for(iTkin = 0; iTkin < fTotBin; iTkin++)
233 { 223 {
234 if(TkinScaled < fProtonEnergyVector->G << 224 if( TkinScaled < fProtonEnergyVector->GetLowEdgeEnergy(iTkin)) break;
235 break; <<
236 } 225 }
237 iPlace = iTkin - 1; 226 iPlace = iTkin - 1;
238 227
239 if(iTkin == 0) << 228 if(iTkin == 0) lambda = DBL_MAX; // Tkin is too small, neglect of TR photon generation
240 lambda = DBL_MAX; // Tkin is too smal << 229 else // general case: Tkin between two vectors of the material
241 else // general case: Tkin between two <<
242 { 230 {
243 if(iTkin == fTotBin) << 231 if(iTkin == fTotBin)
244 { 232 {
245 sigma = (*(*fEnergyDistrTable)(iPlac << 233 sigma = (*(*fEnergyDistrTable)(iPlace))(0)*chargeSq;
246 } 234 }
247 else 235 else
248 { 236 {
249 E1 = fProtonEnergyVector->GetLowE << 237 E1 = fProtonEnergyVector->GetLowEdgeEnergy(iTkin - 1);
250 E2 = fProtonEnergyVector->GetLowE << 238 E2 = fProtonEnergyVector->GetLowEdgeEnergy(iTkin);
251 W = 1.0 / (E2 - E1); << 239 W = 1.0/(E2 - E1);
252 W1 = (E2 - TkinScaled) * W; << 240 W1 = (E2 - TkinScaled)*W;
253 W2 = (TkinScaled - E1) * W; << 241 W2 = (TkinScaled - E1)*W;
254 sigma = ((*(*fEnergyDistrTable)(iPla << 242 sigma = ( (*(*fEnergyDistrTable)(iPlace ))(0)*W1 +
255 (*(*fEnergyDistrTable)(iPla << 243 (*(*fEnergyDistrTable)(iPlace+1))(0)*W2 )*chargeSq;
256 chargeSq; << 244
257 } 245 }
258 if(sigma < DBL_MIN) << 246 if (sigma < DBL_MIN) lambda = DBL_MAX;
259 lambda = DBL_MAX; << 247 else lambda = 1./sigma;
260 else <<
261 lambda = 1. / sigma; <<
262 fLambda = lambda; 248 fLambda = lambda;
263 fGamma = gamma; << 249 fGamma = gamma;
264 if(verboseLevel > 1) 250 if(verboseLevel > 1)
265 { 251 {
266 G4cout << " lambda = " << lambda / m << 252 G4cout<<" lambda = "<<lambda/mm<<" mm"<<G4endl;
267 } 253 }
268 } 254 }
269 } 255 }
270 } << 256 }
271 return lambda; 257 return lambda;
272 } 258 }
273 259
274 ////////////////////////////////////////////// 260 //////////////////////////////////////////////////////////////////////////
>> 261 //
275 // Interface for build table from physics list 262 // Interface for build table from physics list
>> 263
276 void G4VXTRenergyLoss::BuildPhysicsTable(const 264 void G4VXTRenergyLoss::BuildPhysicsTable(const G4ParticleDefinition& pd)
277 { 265 {
278 if(pd.GetPDGCharge() == 0.) << 266 if(pd.GetPDGCharge() == 0.)
279 { 267 {
280 G4Exception("G4VXTRenergyLoss::BuildPhysic << 268 G4Exception("G4VXTRenergyLoss::BuildPhysicsTable", "Notification", JustWarning,
281 JustWarning, "XTR initialisati << 269 "XTR initialisation for neutral particle ?!" );
282 } 270 }
283 BuildEnergyTable(); 271 BuildEnergyTable();
284 272
285 if(fAngleRadDistr) << 273 if (fAngleRadDistr)
286 { 274 {
287 if(verboseLevel > 0) 275 if(verboseLevel > 0)
288 { 276 {
289 G4cout << 277 G4cout<<"Build angle for energy distribution according the current radiator"
290 << "Build angle for energy distributio << 278 <<G4endl;
291 << G4endl; <<
292 } 279 }
293 BuildAngleForEnergyBank(); 280 BuildAngleForEnergyBank();
294 } 281 }
295 } 282 }
296 283
>> 284
297 ////////////////////////////////////////////// 285 //////////////////////////////////////////////////////////////////////////
>> 286 //
298 // Build integral energy distribution of XTR p 287 // Build integral energy distribution of XTR photons
>> 288
299 void G4VXTRenergyLoss::BuildEnergyTable() 289 void G4VXTRenergyLoss::BuildEnergyTable()
300 { 290 {
301 G4int iTkin, iTR, iPlace; 291 G4int iTkin, iTR, iPlace;
302 G4double radiatorCof = 1.0; // for tuning o << 292 G4double radiatorCof = 1.0; // for tuning of XTR yield
303 G4double energySum = 0.0; << 293 G4double energySum = 0.0;
304 294
305 fEnergyDistrTable = new G4PhysicsTable(fTotB 295 fEnergyDistrTable = new G4PhysicsTable(fTotBin);
306 if(fAngleRadDistr) << 296 if(fAngleRadDistr) fAngleDistrTable = new G4PhysicsTable(fTotBin);
307 fAngleDistrTable = new G4PhysicsTable(fTot <<
308 297
309 fGammaTkinCut = 0.0; 298 fGammaTkinCut = 0.0;
310 << 299
311 // setting of min/max TR energies << 300 // setting of min/max TR energies
312 if(fGammaTkinCut > fTheMinEnergyTR) << 301
313 fMinEnergyTR = fGammaTkinCut; << 302 if(fGammaTkinCut > fTheMinEnergyTR) fMinEnergyTR = fGammaTkinCut;
314 else << 303 else fMinEnergyTR = fTheMinEnergyTR;
315 fMinEnergyTR = fTheMinEnergyTR; << 304
316 << 305 if(fGammaTkinCut > fTheMaxEnergyTR) fMaxEnergyTR = 2.0*fGammaTkinCut;
317 if(fGammaTkinCut > fTheMaxEnergyTR) << 306 else fMaxEnergyTR = fTheMaxEnergyTR;
318 fMaxEnergyTR = 2.0 * fGammaTkinCut; << 307
319 else << 308 G4Integrator<G4VXTRenergyLoss,G4double(G4VXTRenergyLoss::*)(G4double)> integral;
320 fMaxEnergyTR = fTheMaxEnergyTR; <<
321 <<
322 G4Integrator<G4VXTRenergyLoss, G4double (G4V <<
323 integral; <<
324 309
325 G4cout.precision(4); 310 G4cout.precision(4);
326 G4Timer timer; 311 G4Timer timer;
327 timer.Start(); 312 timer.Start();
328 313
329 if(verboseLevel > 0) << 314 if(verboseLevel > 0)
330 { 315 {
331 G4cout << G4endl; << 316 G4cout<<G4endl;
332 G4cout << "Lorentz Factor" << 317 G4cout<<"Lorentz Factor"<<"\t"<<"XTR photon number"<<G4endl;
333 << "\t" << 318 G4cout<<G4endl;
334 << "XTR photon number" << G4endl; << 319 }
335 G4cout << G4endl; << 320 for( iTkin = 0; iTkin < fTotBin; iTkin++ ) // Lorentz factor loop
336 } <<
337 for(iTkin = 0; iTkin < fTotBin; ++iTkin) // <<
338 { 321 {
339 auto energyVector = << 322 G4PhysicsLogVector* energyVector = new G4PhysicsLogVector( fMinEnergyTR,
340 new G4PhysicsLogVector(fMinEnergyTR, fMa << 323 fMaxEnergyTR,
>> 324 fBinTR );
341 325
342 fGamma = << 326 fGamma = 1.0 + (fProtonEnergyVector->
343 1.0 + (fProtonEnergyVector->GetLowEdgeEn << 327 GetLowEdgeEnergy(iTkin)/proton_mass_c2);
344 328
345 // if(fMaxThetaTR > fTheMaxAngle) fMax << 329 fMaxThetaTR = 2500.0/(fGamma*fGamma) ; // theta^2
346 // else if(fMaxThetaTR < fTheMinAngle) <<
347 330
>> 331 fTheMinAngle = 1.0e-3; // was 5.e-6, e-6 !!!, e-5, e-4
>> 332
>> 333 if( fMaxThetaTR > fTheMaxAngle ) fMaxThetaTR = fTheMaxAngle;
>> 334 else if( fMaxThetaTR < fTheMinAngle ) fMaxThetaTR = fTheMinAngle;
>> 335
348 energySum = 0.0; 336 energySum = 0.0;
349 337
350 energyVector->PutValue(fBinTR - 1, energyS << 338 energyVector->PutValue(fBinTR-1,energySum);
351 339
352 for(iTR = fBinTR - 2; iTR >= 0; --iTR) << 340 for( iTR = fBinTR - 2; iTR >= 0; iTR-- )
353 { 341 {
354 // Legendre96 or Legendre10 << 342 // Legendre96 or Legendre10
355 <<
356 energySum += radiatorCof * fCofTR * <<
357 <<
358 // integral.Legendre10(this, &G4VXTRenergyLo <<
359 <<
360 integral.Legendre96(this, & <<
361 <<
362 energyV <<
363 energyV <<
364 343
365 energyVector->PutValue(iTR, energySum / << 344 energySum += radiatorCof*fCofTR*integral.Legendre10(
>> 345 this,&G4VXTRenergyLoss::SpectralXTRdEdx,
>> 346 energyVector->GetLowEdgeEnergy(iTR),
>> 347 energyVector->GetLowEdgeEnergy(iTR+1) );
>> 348
>> 349 energyVector->PutValue(iTR,energySum/fTotalDist);
366 } 350 }
367 iPlace = iTkin; 351 iPlace = iTkin;
368 fEnergyDistrTable->insertAt(iPlace, energy << 352 fEnergyDistrTable->insertAt(iPlace,energyVector);
369 353
370 if(verboseLevel > 0) 354 if(verboseLevel > 0)
371 { 355 {
372 G4cout << fGamma << "\t" << energySum << << 356 G4cout
>> 357 // <<iTkin<<"\t"
>> 358 // <<"fGamma = "
>> 359 <<fGamma<<"\t" // <<" fMaxThetaTR = "<<fMaxThetaTR
>> 360 // <<"sumN = "
>> 361 <<energySum // <<"; sumA = "<<angleSum
>> 362 <<G4endl;
373 } 363 }
374 } << 364 }
375 timer.Stop(); 365 timer.Stop();
376 G4cout.precision(6); 366 G4cout.precision(6);
377 if(verboseLevel > 0) << 367 if(verboseLevel > 0)
378 { 368 {
379 G4cout << G4endl; << 369 G4cout<<G4endl;
380 G4cout << "total time for build X-ray TR e << 370 G4cout<<"total time for build X-ray TR energy loss tables = "
381 << timer.GetUserElapsed() << " s" < << 371 <<timer.GetUserElapsed()<<" s"<<G4endl;
382 } 372 }
383 fGamma = 0.; 373 fGamma = 0.;
384 return; 374 return;
385 } 375 }
386 376
387 ////////////////////////////////////////////// 377 //////////////////////////////////////////////////////////////////////////
>> 378 //
388 // Bank of angle distributions for given energ 379 // Bank of angle distributions for given energies (slow!)
389 380
390 void G4VXTRenergyLoss::BuildAngleForEnergyBank 381 void G4VXTRenergyLoss::BuildAngleForEnergyBank()
391 { 382 {
392 << 383 if( this->GetProcessName() == "TranspRegXTRadiator" ||
393 if( ( this->GetProcessName() == "TranspRegXT << 384 this->GetProcessName() == "TranspRegXTRmodel" ||
394 this->GetProcessName() == "TranspRegXT << 385 this->GetProcessName() == "RegularXTRadiator" ||
395 this->GetProcessName() == "RegularXTRa << 386 this->GetProcessName() == "RegularXTRmodel" )
396 this->GetProcessName() == "RegularXTRmodel" <<
397 { 387 {
398 BuildAngleTable(); // by sum of delta-func << 388 BuildAngleTable();
399 return; 389 return;
400 } 390 }
401 G4int i, iTkin, iTR; 391 G4int i, iTkin, iTR;
402 G4double angleSum = 0.0; << 392 G4double angleSum = 0.0;
403 393
404 fGammaTkinCut = 0.0; <<
405 <<
406 // setting of min/max TR energies <<
407 if(fGammaTkinCut > fTheMinEnergyTR) <<
408 fMinEnergyTR = fGammaTkinCut; <<
409 else <<
410 fMinEnergyTR = fTheMinEnergyTR; <<
411 394
412 if(fGammaTkinCut > fTheMaxEnergyTR) << 395 fGammaTkinCut = 0.0;
413 fMaxEnergyTR = 2.0 * fGammaTkinCut; << 396
414 else << 397 // setting of min/max TR energies
415 fMaxEnergyTR = fTheMaxEnergyTR; << 398
>> 399 if(fGammaTkinCut > fTheMinEnergyTR) fMinEnergyTR = fGammaTkinCut;
>> 400 else fMinEnergyTR = fTheMinEnergyTR;
>> 401
>> 402 if(fGammaTkinCut > fTheMaxEnergyTR) fMaxEnergyTR = 2.0*fGammaTkinCut;
>> 403 else fMaxEnergyTR = fTheMaxEnergyTR;
416 404
417 auto energyVector = << 405 G4PhysicsLogVector* energyVector = new G4PhysicsLogVector( fMinEnergyTR,
418 new G4PhysicsLogVector(fMinEnergyTR, fMaxE << 406 fMaxEnergyTR,
>> 407 fBinTR );
419 408
420 G4Integrator<G4VXTRenergyLoss, G4double (G4V << 409 G4Integrator<G4VXTRenergyLoss,G4double(G4VXTRenergyLoss::*)(G4double)> integral;
421 integral; <<
422 410
423 G4cout.precision(4); 411 G4cout.precision(4);
424 G4Timer timer; 412 G4Timer timer;
425 timer.Start(); 413 timer.Start();
426 414
427 for(iTkin = 0; iTkin < fTotBin; ++iTkin) // << 415 for( iTkin = 0; iTkin < fTotBin; iTkin++ ) // Lorentz factor loop
428 { 416 {
429 fGamma = <<
430 1.0 + (fProtonEnergyVector->GetLowEdgeEn <<
431 417
432 if(fMaxThetaTR > fTheMaxAngle) << 418 fGamma = 1.0 + (fProtonEnergyVector->
433 fMaxThetaTR = fTheMaxAngle; << 419 GetLowEdgeEnergy(iTkin)/proton_mass_c2);
434 else if(fMaxThetaTR < fTheMinAngle) <<
435 fMaxThetaTR = fTheMinAngle; <<
436 420
437 fAngleForEnergyTable = new G4PhysicsTable( << 421 fMaxThetaTR = 2500.0/(fGamma*fGamma) ; // theta^2
438 422
439 for(iTR = 0; iTR < fBinTR; ++iTR) << 423 fTheMinAngle = 1.0e-3; // was 5.e-6, e-6 !!!, e-5, e-4
440 { <<
441 angleSum = 0.0; <<
442 fEnergy = energyVector->GetLowEdgeEnerg <<
443 <<
444 // log-vector to increase number of thin <<
445 auto angleVector = new G4PhysicsLogVecto <<
446 424
>> 425 if( fMaxThetaTR > fTheMaxAngle ) fMaxThetaTR = fTheMaxAngle;
>> 426 else if( fMaxThetaTR < fTheMinAngle ) fMaxThetaTR = fTheMinAngle;
447 427
>> 428 fAngleForEnergyTable = new G4PhysicsTable(fBinTR);
448 429
449 angleVector->PutValue(fBinTR - 1, angleS << 430 for( iTR = 0; iTR < fBinTR; iTR++ )
>> 431 {
>> 432 angleSum = 0.0;
>> 433 fEnergy = energyVector->GetLowEdgeEnergy(iTR);
>> 434 G4PhysicsLinearVector* angleVector = new G4PhysicsLinearVector(0.0,
>> 435 fMaxThetaTR,
>> 436 fBinTR );
>> 437
>> 438 angleVector ->PutValue(fBinTR - 1, angleSum);
450 439
451 for(i = fBinTR - 2; i >= 0; --i) << 440 for( i = fBinTR - 2; i >= 0; i-- )
452 { 441 {
453 // Legendre96 or Legendre10 << 442 // Legendre96 or Legendre10
454 443
455 angleSum += << 444 angleSum += integral.Legendre10(
456 integral.Legendre10(this, &G4VXTRene << 445 this,&G4VXTRenergyLoss::SpectralAngleXTRdEdx,
457 angleVector->Get << 446 angleVector->GetLowEdgeEnergy(i),
458 angleVector->Get << 447 angleVector->GetLowEdgeEnergy(i+1) );
459 448
460 angleVector->PutValue(i, angleSum); << 449 angleVector ->PutValue(i, angleSum);
461 } 450 }
462 fAngleForEnergyTable->insertAt(iTR, angl 451 fAngleForEnergyTable->insertAt(iTR, angleVector);
463 } 452 }
464 fAngleBank.push_back(fAngleForEnergyTable) << 453 fAngleBank.push_back(fAngleForEnergyTable);
465 } << 454 }
466 timer.Stop(); 455 timer.Stop();
467 G4cout.precision(6); 456 G4cout.precision(6);
468 if(verboseLevel > 0) << 457 if(verboseLevel > 0)
469 { 458 {
470 G4cout << G4endl; << 459 G4cout<<G4endl;
471 G4cout << "total time for build X-ray TR a << 460 G4cout<<"total time for build X-ray TR angle for energy loss tables = "
472 << timer.GetUserElapsed() << " s" < << 461 <<timer.GetUserElapsed()<<" s"<<G4endl;
473 } 462 }
474 fGamma = 0.; 463 fGamma = 0.;
475 delete energyVector; << 464 return;
476 } 465 }
477 466
478 ////////////////////////////////////////////// 467 ////////////////////////////////////////////////////////////////////////
479 // Build XTR angular distribution at given ene << 468 //
>> 469 // Build XTR angular distribution at given energy based on the model
480 // of transparent regular radiator 470 // of transparent regular radiator
>> 471
481 void G4VXTRenergyLoss::BuildAngleTable() 472 void G4VXTRenergyLoss::BuildAngleTable()
482 { 473 {
483 G4int iTkin, iTR; 474 G4int iTkin, iTR;
484 G4double energy; << 475 G4double energy;
485 476
486 fGammaTkinCut = 0.0; 477 fGammaTkinCut = 0.0;
487 << 478
488 // setting of min/max TR energies << 479 // setting of min/max TR energies
489 if(fGammaTkinCut > fTheMinEnergyTR) << 480
490 fMinEnergyTR = fGammaTkinCut; << 481 if(fGammaTkinCut > fTheMinEnergyTR) fMinEnergyTR = fGammaTkinCut;
491 else << 482 else fMinEnergyTR = fTheMinEnergyTR;
492 fMinEnergyTR = fTheMinEnergyTR; << 483
493 << 484 if(fGammaTkinCut > fTheMaxEnergyTR) fMaxEnergyTR = 2.0*fGammaTkinCut;
494 if(fGammaTkinCut > fTheMaxEnergyTR) << 485 else fMaxEnergyTR = fTheMaxEnergyTR;
495 fMaxEnergyTR = 2.0 * fGammaTkinCut; <<
496 else <<
497 fMaxEnergyTR = fTheMaxEnergyTR; <<
498 486
499 G4cout.precision(4); 487 G4cout.precision(4);
500 G4Timer timer; 488 G4Timer timer;
501 timer.Start(); 489 timer.Start();
502 if(verboseLevel > 0) << 490 if(verboseLevel > 0)
503 { 491 {
504 G4cout << G4endl << "Lorentz Factor" << "\ << 492 G4cout<<G4endl;
505 << "XTR photon number" << G4endl << << 493 G4cout<<"Lorentz Factor"<<"\t"<<"XTR photon number"<<G4endl;
>> 494 G4cout<<G4endl;
506 } 495 }
507 for(iTkin = 0; iTkin < fTotBin; ++iTkin) // << 496 for( iTkin = 0; iTkin < fTotBin; iTkin++ ) // Lorentz factor loop
508 { 497 {
509 fGamma = << 498
510 1.0 + (fProtonEnergyVector->GetLowEdgeEn << 499 fGamma = 1.0 + (fProtonEnergyVector->
>> 500 GetLowEdgeEnergy(iTkin)/proton_mass_c2);
511 501
512 // fMaxThetaTR = 25. * 2500.0 / (fGamma * << 502 fMaxThetaTR = 25.0/(fGamma*fGamma); // theta^2
513 503
514 if(fMaxThetaTR > fTheMaxAngle) << 504 fTheMinAngle = 1.0e-3; // was 5.e-6, e-6 !!!, e-5, e-4
515 fMaxThetaTR = fTheMaxAngle; << 505
>> 506 if( fMaxThetaTR > fTheMaxAngle ) fMaxThetaTR = fTheMaxAngle;
516 else 507 else
517 { 508 {
518 if(fMaxThetaTR < fTheMinAngle) << 509 if( fMaxThetaTR < fTheMinAngle ) fMaxThetaTR = fTheMinAngle;
519 fMaxThetaTR = fTheMinAngle; <<
520 } 510 }
521 511
522 fAngleForEnergyTable = new G4PhysicsTable( 512 fAngleForEnergyTable = new G4PhysicsTable(fBinTR);
523 513
524 for(iTR = 0; iTR < fBinTR; ++iTR) << 514 for( iTR = 0; iTR < fBinTR; iTR++ )
525 { 515 {
>> 516 // energy = fMinEnergyTR*(iTR+1);
>> 517
526 energy = fXTREnergyVector->GetLowEdgeEne 518 energy = fXTREnergyVector->GetLowEdgeEnergy(iTR);
527 519
528 G4PhysicsFreeVector* angleVector = GetAn << 520 G4PhysicsFreeVector* angleVector = GetAngleVector(energy,fBinTR);
>> 521 // G4cout<<G4endl;
529 522
530 fAngleForEnergyTable->insertAt(iTR, angl << 523 fAngleForEnergyTable->insertAt(iTR,angleVector);
531 } 524 }
532 fAngleBank.push_back(fAngleForEnergyTable) << 525
533 } << 526 fAngleBank.push_back(fAngleForEnergyTable);
>> 527 }
534 timer.Stop(); 528 timer.Stop();
535 G4cout.precision(6); 529 G4cout.precision(6);
536 if(verboseLevel > 0) << 530 if(verboseLevel > 0)
537 { 531 {
538 G4cout << G4endl; << 532 G4cout<<G4endl;
539 G4cout << "total time for build XTR angle << 533 G4cout<<"total time for build XTR angle for given energy tables = "
540 << timer.GetUserElapsed() << " s" < << 534 <<timer.GetUserElapsed()<<" s"<<G4endl;
541 } 535 }
542 fGamma = 0.; 536 fGamma = 0.;
543 << 537
544 return; 538 return;
545 } << 539 }
546 540
547 ////////////////////////////////////////////// 541 /////////////////////////////////////////////////////////////////////////
>> 542 //
548 // Vector of angles and angle integral distrib 543 // Vector of angles and angle integral distributions
>> 544
549 G4PhysicsFreeVector* G4VXTRenergyLoss::GetAngl 545 G4PhysicsFreeVector* G4VXTRenergyLoss::GetAngleVector(G4double energy, G4int n)
550 { 546 {
551 G4double theta = 0., result, tmp = 0., cof1, << 547 G4double theta=0., result, tmp=0., cof1, cof2, cofMin, cofPHC, angleSum = 0.;
552 angleSum = 0.; << 548 G4int iTheta, k, /*kMax,*/ kMin;
553 G4int iTheta, k, kMin; <<
554 <<
555 auto angleVector = new G4PhysicsFreeVector(n <<
556 <<
557 cofPHC = 4. * pi * hbarc; <<
558 tmp = (fSigma1 - fSigma2) / cofPHC / ener <<
559 cof1 = fPlateThick * tmp; <<
560 cof2 = fGasThick * tmp; <<
561 549
562 cofMin = energy * (fPlateThick + fGasThick) << 550 G4PhysicsFreeVector* angleVector = new G4PhysicsFreeVector(n);
563 cofMin += (fPlateThick * fSigma1 + fGasThick << 551
>> 552 cofPHC = 4*pi*hbarc;
>> 553 tmp = (fSigma1 - fSigma2)/cofPHC/energy;
>> 554 cof1 = fPlateThick*tmp;
>> 555 cof2 = fGasThick*tmp;
>> 556
>> 557 cofMin = energy*(fPlateThick + fGasThick)/fGamma/fGamma;
>> 558 cofMin += (fPlateThick*fSigma1 + fGasThick*fSigma2)/energy;
564 cofMin /= cofPHC; 559 cofMin /= cofPHC;
565 560
566 kMin = G4int(cofMin); 561 kMin = G4int(cofMin);
567 if(cofMin > kMin) << 562 if (cofMin > kMin) kMin++;
568 kMin++; << 563
>> 564 //kMax = kMin + fBinTR -1;
569 565
570 if(verboseLevel > 2) 566 if(verboseLevel > 2)
571 { 567 {
572 G4cout << "n-1 = " << n - 1 << 568 G4cout<<"n-1 = "<<n-1<<"; theta = "
573 << "; theta = " << std::sqrt(fMaxTh << 569 <<std::sqrt(fMaxThetaTR)*fGamma<<"; tmp = "
574 << "; tmp = " << 0. << "; angleS << 570 <<0.
>> 571 <<"; angleSum = "<<angleSum<<G4endl;
575 } 572 }
>> 573 // angleVector->PutValue(n-1,fMaxThetaTR, angleSum);
576 574
577 for(iTheta = n - 1; iTheta >= 1; --iTheta) << 575 for( iTheta = n - 1; iTheta >= 1; iTheta-- )
578 { 576 {
579 k = iTheta - 1 + kMin; <<
580 tmp = pi * fPlateThick * (k + cof2) / ( <<
581 result = (k - cof1) * (k - cof1) * (k + co <<
582 tmp = std::sin(tmp) * std::sin(tmp) * s <<
583 577
584 if(k == kMin && kMin == G4int(cofMin)) << 578 k = iTheta- 1 + kMin;
>> 579
>> 580 tmp = pi*fPlateThick*(k + cof2)/(fPlateThick + fGasThick);
>> 581
>> 582 result = (k - cof1)*(k - cof1)*(k + cof2)*(k + cof2);
>> 583
>> 584 tmp = std::sin(tmp)*std::sin(tmp)*std::abs(k-cofMin)/result;
>> 585
>> 586 if( k == kMin && kMin == G4int(cofMin) )
585 { 587 {
586 // angleSum += 0.5 * tmp; << 588 angleSum += 0.5*tmp; // 0.5*std::sin(tmp)*std::sin(tmp)*std::abs(k-cofMin)/result;
587 angleSum += tmp; // ATLAS TB <<
588 } 589 }
589 else if(iTheta == n - 1) << 590 else if(iTheta == n-1);
590 ; <<
591 else 591 else
592 { 592 {
593 angleSum += tmp; << 593 angleSum += tmp; // std::sin(tmp)*std::sin(tmp)*std::abs(k-cofMin)/result;
594 } 594 }
595 theta = std::abs(k - cofMin) * cofPHC / en << 595 theta = std::abs(k-cofMin)*cofPHC/energy/(fPlateThick + fGasThick);
596 596
597 if(verboseLevel > 2) 597 if(verboseLevel > 2)
598 { 598 {
599 G4cout << "iTheta = " << iTheta << "; k << 599 G4cout<<"iTheta = "<<iTheta<<"; k = "<<k<<"; theta = "
600 << "; theta = " << std::sqrt(thet << 600 <<std::sqrt(theta)*fGamma<<"; tmp = "
601 << "; angleSum = " << angleSum << 601 <<tmp // std::sin(tmp)*std::sin(tmp)*std::abs(k-cofMin)/result
>> 602 <<"; angleSum = "<<angleSum<<G4endl;
602 } 603 }
603 angleVector->PutValue(iTheta, theta, angle << 604 angleVector->PutValue( iTheta, theta, angleSum );
604 } 605 }
605 if(theta > 0.) << 606 if (theta > 0.)
606 { 607 {
607 // angleSum += 0.5 * tmp; << 608 angleSum += 0.5*tmp;
608 angleSum += 0.; // ATLAS TB << 609 theta = 0.;
609 theta = 0.; <<
610 } 610 }
611 if(verboseLevel > 2) 611 if(verboseLevel > 2)
612 { 612 {
613 G4cout << "iTheta = " << iTheta << "; thet << 613 G4cout<<"iTheta = "<<iTheta<<"; theta = "
614 << "; tmp = " << tmp << "; angle << 614 <<std::sqrt(theta)*fGamma<<"; tmp = "
>> 615 <<tmp
>> 616 <<"; angleSum = "<<angleSum<<G4endl;
615 } 617 }
616 angleVector->PutValue(iTheta, theta, angleSu << 618 angleVector->PutValue( iTheta, theta, angleSum );
617 619
618 return angleVector; 620 return angleVector;
619 } 621 }
620 622
621 ////////////////////////////////////////////// 623 ////////////////////////////////////////////////////////////////////////
622 // Build XTR angular distribution based on the << 624 //
623 // radiator << 625 // Build XTR angular distribution based on the model of transparent regular radiator
>> 626
624 void G4VXTRenergyLoss::BuildGlobalAngleTable() 627 void G4VXTRenergyLoss::BuildGlobalAngleTable()
625 { 628 {
626 G4int iTkin, iTR, iPlace; 629 G4int iTkin, iTR, iPlace;
627 G4double radiatorCof = 1.0; // for tuning o << 630 G4double radiatorCof = 1.0; // for tuning of XTR yield
628 G4double angleSum; 631 G4double angleSum;
629 fAngleDistrTable = new G4PhysicsTable(fTotBi 632 fAngleDistrTable = new G4PhysicsTable(fTotBin);
630 633
631 fGammaTkinCut = 0.0; 634 fGammaTkinCut = 0.0;
632 << 635
633 // setting of min/max TR energies << 636 // setting of min/max TR energies
634 if(fGammaTkinCut > fTheMinEnergyTR) << 637
635 fMinEnergyTR = fGammaTkinCut; << 638 if(fGammaTkinCut > fTheMinEnergyTR) fMinEnergyTR = fGammaTkinCut;
636 else << 639 else fMinEnergyTR = fTheMinEnergyTR;
637 fMinEnergyTR = fTheMinEnergyTR; << 640
638 << 641 if(fGammaTkinCut > fTheMaxEnergyTR) fMaxEnergyTR = 2.0*fGammaTkinCut;
639 if(fGammaTkinCut > fTheMaxEnergyTR) << 642 else fMaxEnergyTR = fTheMaxEnergyTR;
640 fMaxEnergyTR = 2.0 * fGammaTkinCut; <<
641 else <<
642 fMaxEnergyTR = fTheMaxEnergyTR; <<
643 643
644 G4cout.precision(4); 644 G4cout.precision(4);
645 G4Timer timer; 645 G4Timer timer;
646 timer.Start(); 646 timer.Start();
647 if(verboseLevel > 0) << 647 if(verboseLevel > 0) {
648 { << 648 G4cout<<G4endl;
649 G4cout << G4endl; << 649 G4cout<<"Lorentz Factor"<<"\t"<<"XTR photon number"<<G4endl;
650 G4cout << "Lorentz Factor" << 650 G4cout<<G4endl;
651 << "\t" << 651 }
652 << "XTR photon number" << G4endl; << 652 for( iTkin = 0; iTkin < fTotBin; iTkin++ ) // Lorentz factor loop
653 G4cout << G4endl; <<
654 } <<
655 for(iTkin = 0; iTkin < fTotBin; ++iTkin) // <<
656 { 653 {
657 fGamma = << 654
658 1.0 + (fProtonEnergyVector->GetLowEdgeEn << 655 fGamma = 1.0 + (fProtonEnergyVector->
>> 656 GetLowEdgeEnergy(iTkin)/proton_mass_c2);
659 657
660 // fMaxThetaTR = 25.0 / (fGamma * fGamma); << 658 fMaxThetaTR = 25.0/(fGamma*fGamma); // theta^2
661 // fMaxThetaTR = 1.e-4; // theta^2 <<
662 659
663 if(fMaxThetaTR > fTheMaxAngle) << 660 fTheMinAngle = 1.0e-3; // was 5.e-6, e-6 !!!, e-5, e-4
664 fMaxThetaTR = fTheMaxAngle; << 661
>> 662 if( fMaxThetaTR > fTheMaxAngle ) fMaxThetaTR = fTheMaxAngle;
665 else 663 else
666 { 664 {
667 if(fMaxThetaTR < fTheMinAngle) << 665 if( fMaxThetaTR < fTheMinAngle ) fMaxThetaTR = fTheMinAngle;
668 fMaxThetaTR = fTheMinAngle; <<
669 } 666 }
670 auto angleVector = << 667 G4PhysicsLinearVector* angleVector = new G4PhysicsLinearVector(0.0,
671 // G4PhysicsLogVector* angleVector = << 668 fMaxThetaTR,
672 new G4PhysicsLinearVector(0.0, fMaxTheta << 669 fBinTR );
673 // new G4PhysicsLogVector(1.e-8, fMaxThet <<
674 670
675 angleSum = 0.0; << 671 angleSum = 0.0;
676 672
677 G4Integrator<G4VXTRenergyLoss, G4double (G << 673 G4Integrator<G4VXTRenergyLoss,G4double(G4VXTRenergyLoss::*)(G4double)> integral;
678 integral; <<
679 674
680 angleVector->PutValue(fBinTR - 1, angleSum << 675
>> 676 angleVector->PutValue(fBinTR-1,angleSum);
681 677
682 for(iTR = fBinTR - 2; iTR >= 0; --iTR) << 678 for( iTR = fBinTR - 2; iTR >= 0; iTR-- )
683 { 679 {
684 angleSum += radiatorCof * fCofTR * <<
685 integral.Legendre96(this, &G <<
686 angleVec <<
687 angleVec <<
688 680
689 angleVector->PutValue(iTR, angleSum); << 681 angleSum += radiatorCof*fCofTR*integral.Legendre96(
>> 682 this,&G4VXTRenergyLoss::AngleXTRdEdx,
>> 683 angleVector->GetLowEdgeEnergy(iTR),
>> 684 angleVector->GetLowEdgeEnergy(iTR+1) );
>> 685
>> 686 angleVector ->PutValue(iTR,angleSum);
690 } 687 }
691 if(verboseLevel > 1) << 688 if(verboseLevel > 1) {
692 { << 689 G4cout
693 G4cout << fGamma << "\t" << angleSum << << 690 // <<iTkin<<"\t"
>> 691 // <<"fGamma = "
>> 692 <<fGamma<<"\t" // <<" fMaxThetaTR = "<<fMaxThetaTR
>> 693 // <<"sumN = "<<energySum // <<"; sumA = "
>> 694 <<angleSum
>> 695 <<G4endl;
694 } 696 }
695 iPlace = iTkin; 697 iPlace = iTkin;
696 fAngleDistrTable->insertAt(iPlace, angleVe << 698 fAngleDistrTable->insertAt(iPlace,angleVector);
697 } << 699 }
698 timer.Stop(); 700 timer.Stop();
699 G4cout.precision(6); 701 G4cout.precision(6);
700 if(verboseLevel > 0) << 702 if(verboseLevel > 0) {
701 { << 703 G4cout<<G4endl;
702 G4cout << G4endl; << 704 G4cout<<"total time for build X-ray TR angle tables = "
703 G4cout << "total time for build X-ray TR a << 705 <<timer.GetUserElapsed()<<" s"<<G4endl;
704 << timer.GetUserElapsed() << " s" < <<
705 } 706 }
706 fGamma = 0.; 707 fGamma = 0.;
707 << 708
708 return; 709 return;
709 } << 710 }
>> 711
710 712
711 ////////////////////////////////////////////// 713 //////////////////////////////////////////////////////////////////////////////
712 // The main function which is responsible for << 714 //
713 // passage through G4Envelope with discrete ge << 715 // The main function which is responsible for the treatment of a particle passage
714 G4VParticleChange* G4VXTRenergyLoss::PostStepD << 716 // trough G4Envelope with discrete generation of G4Gamma
715 << 717
>> 718 G4VParticleChange* G4VXTRenergyLoss::PostStepDoIt( const G4Track& aTrack,
>> 719 const G4Step& aStep )
716 { 720 {
717 G4int iTkin; << 721 G4int iTkin /*, iPlace*/;
718 G4double energyTR, theta, theta2, phi, dirX, << 722 G4double energyTR, theta,theta2, phi, dirX, dirY, dirZ;
>> 723
719 724
720 fParticleChange.Initialize(aTrack); 725 fParticleChange.Initialize(aTrack);
721 726
722 if(verboseLevel > 1) 727 if(verboseLevel > 1)
723 { 728 {
724 G4cout << "Start of G4VXTRenergyLoss::Post << 729 G4cout<<"Start of G4VXTRenergyLoss::PostStepDoIt "<<G4endl;
725 G4cout << "name of current material = " << 730 G4cout<<"name of current material = "
726 << aTrack.GetVolume()->GetLogicalVo << 731 <<aTrack.GetVolume()->GetLogicalVolume()->GetMaterial()->GetName()<<G4endl;
727 << 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 "<<G4endl;
734 << G4endl; <<
735 } 738 }
736 return G4VDiscreteProcess::PostStepDoIt(aT 739 return G4VDiscreteProcess::PostStepDoIt(aTrack, aStep);
737 } 740 }
738 else 741 else
739 { 742 {
740 G4StepPoint* pPostStepPoint = aStep 743 G4StepPoint* pPostStepPoint = aStep.GetPostStepPoint();
741 const G4DynamicParticle* aParticle = aTrac 744 const G4DynamicParticle* aParticle = aTrack.GetDynamicParticle();
742 << 745
743 // Now we are ready to Generate one TR pho 746 // Now we are ready to Generate one TR photon
>> 747
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)) break;
761 break; <<
762 } 765 }
>> 766 //iPlace = iTkin - 1;
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<<G4endl;
769 << G4endl; <<
770 } 773 }
771 return G4VDiscreteProcess::PostStepDoIt( 774 return G4VDiscreteProcess::PostStepDoIt(aTrack, aStep);
772 } << 775 }
773 else // general case: Tkin between two ve << 776 else // general case: Tkin between two vectors of the material
774 { 777 {
775 fParticleChange.SetNumberOfSecondaries(1 778 fParticleChange.SetNumberOfSecondaries(1);
776 779
777 energyTR = GetXTRrandomEnergy(TkinScaled << 780 energyTR = GetXTRrandomEnergy(TkinScaled,iTkin);
778 781
779 if(verboseLevel > 1) << 782 if( verboseLevel > 1)
780 { 783 {
781 G4cout << "energyTR = " << energyTR / << 784 G4cout<<"energyTR = "<<energyTR/keV<<" keV"<<G4endl;
782 } 785 }
783 if(fAngleRadDistr) << 786 if (fAngleRadDistr)
784 { 787 {
785 theta2 = GetRandomAngle(energyTR, iTki << 788 // theta = std::fabs(G4RandGauss::shoot(0.0,pi/gamma));
786 if(theta2 > 0.) << 789 theta2 = GetRandomAngle(energyTR,iTkin);
787 theta = std::sqrt(theta2); << 790 if(theta2 > 0.) theta = std::sqrt(theta2);
788 else << 791 else theta = 0.; // theta2;
789 theta = 0.; <<
790 } 792 }
791 else << 793 else theta = std::fabs(G4RandGauss::shoot(0.0,pi/gamma));
792 theta = std::fabs(G4RandGauss::shoot(0 << 794
>> 795 // theta = 0.; // check no spread
793 796
794 if(theta >= 0.1) << 797 if( theta >= 0.1 ) theta = 0.1;
795 theta = 0.1; <<
796 798
797 phi = twopi * G4UniformRand(); << 799 // G4cout<<" : theta = "<<theta<<endl;
798 800
799 dirX = std::sin(theta) * std::cos(phi); << 801 phi = twopi*G4UniformRand();
800 dirY = std::sin(theta) * std::sin(phi); << 802
>> 803 dirX = std::sin(theta)*std::cos(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 = new G4DynamicParticle(G4Gamma::Gamma(),
808 new G4DynamicParticle(G4Gamma::Gamma() << 812 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 = pPostStepPoint->GetTouchable()->GetRotation();
817 pPostStepPoint->GetTouchable()->GetR <<
818 G4ThreeVector transl = pPostStepPoint- 821 G4ThreeVector transl = pPostStepPoint->GetTouchable()->GetTranslation();
819 G4AffineTransform transform = G4Affine << 822 G4AffineTransform transform = G4AffineTransform(rotM,transl);
820 transform.Invert(); 823 transform.Invert();
821 G4ThreeVector localP = transform.Trans 824 G4ThreeVector localP = transform.TransformPoint(position);
822 G4ThreeVector localV = transform.Trans 825 G4ThreeVector localV = transform.TransformAxis(directionTR);
823 826
824 G4double distance = << 827 G4double distance = fEnvelope->GetSolid()->DistanceToOut(localP, localV);
825 fEnvelope->GetSolid()->DistanceToOut <<
826 if(verboseLevel > 1) 828 if(verboseLevel > 1)
827 { 829 {
828 G4cout << "distance to exit = " << d << 830 G4cout<<"distance to exit = "<<distance/mm<<" mm"<<G4endl;
829 } 831 }
830 position += distance * directionTR; << 832 position += distance*directionTR;
831 startTime += distance / c_light; << 833 startTime += distance/c_light;
832 } 834 }
833 G4Track* aSecondaryTrack = new G4Track(a << 835 G4Track* aSecondaryTrack = new G4Track( aPhotonTR,
>> 836 startTime, position );
834 aSecondaryTrack->SetTouchableHandle( 837 aSecondaryTrack->SetTouchableHandle(
835 aStep.GetPostStepPoint()->GetTouchable << 838 aStep.GetPostStepPoint()->GetTouchableHandle());
836 aSecondaryTrack->SetParentID(aTrack.GetT << 839 aSecondaryTrack->SetParentID( aTrack.GetTrackID() );
837 840
838 fParticleChange.AddSecondary(aSecondaryT 841 fParticleChange.AddSecondary(aSecondaryTrack);
839 fParticleChange.ProposeEnergy(kinEnergy) << 842 fParticleChange.ProposeEnergy(kinEnergy);
840 } 843 }
841 } 844 }
842 return G4VDiscreteProcess::PostStepDoIt(aTra 845 return G4VDiscreteProcess::PostStepDoIt(aTrack, aStep);
843 } 846 }
844 847
845 ////////////////////////////////////////////// 848 ///////////////////////////////////////////////////////////////////////
>> 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 //
853 << 857
854 { << 858 G4complex G4VXTRenergyLoss::OneInterfaceXTRdEdx( G4double energy,
855 G4complex Z1 = GetPlateComplexFZ(energy, gam << 859 G4double gamma,
856 G4complex Z2 = GetGasComplexFZ(energy, gamma << 860 G4double varAngle )
>> 861 {
>> 862 G4complex Z1 = GetPlateComplexFZ(energy,gamma,varAngle);
>> 863 G4complex Z2 = GetGasComplexFZ(energy,gamma,varAngle);
>> 864
>> 865 G4complex zOut = (Z1 - Z2)*(Z1 - Z2)
>> 866 * (varAngle*energy/hbarc/hbarc);
>> 867 return zOut;
857 868
858 G4complex zOut = (Z1 - Z2) * (Z1 - Z2) * (va <<
859 return zOut; <<
860 } 869 }
861 870
>> 871
862 ////////////////////////////////////////////// 872 //////////////////////////////////////////////////////////////////////////////
>> 873 //
863 // For photon energy distribution tables. Inte 874 // For photon energy distribution tables. Integrate first over angle
>> 875 //
>> 876
864 G4double G4VXTRenergyLoss::SpectralAngleXTRdEd 877 G4double G4VXTRenergyLoss::SpectralAngleXTRdEdx(G4double varAngle)
865 { 878 {
866 G4double result = GetStackFactor(fEnergy, fG << 879 G4double result = GetStackFactor(fEnergy,fGamma,varAngle);
867 if(result < 0.0) << 880 if(result < 0.0) result = 0.0;
868 result = 0.0; <<
869 return result; 881 return result;
870 } 882 }
871 883
872 ////////////////////////////////////////////// 884 /////////////////////////////////////////////////////////////////////////
>> 885 //
873 // For second integration over energy 886 // For second integration over energy
>> 887
874 G4double G4VXTRenergyLoss::SpectralXTRdEdx(G4d 888 G4double G4VXTRenergyLoss::SpectralXTRdEdx(G4double energy)
875 { 889 {
876 G4int i; << 890 G4int i, iMax = 8;
877 static constexpr G4int iMax = 8; << 891 G4double angleSum = 0.0;
878 G4double angleSum = 0.0; <<
879 892
880 G4double lim[iMax] = { 0.0, 0.01, 0.02, 0.05 << 893 G4double lim[8] = { 0.0, 0.01, 0.02, 0.05, 0.1, 0.2, 0.5, 1.0 };
881 894
882 for(i = 0; i < iMax; ++i) << 895 for( i = 0; i < iMax; i++ ) lim[i] *= fMaxThetaTR;
883 lim[i] *= fMaxThetaTR; <<
884 896
885 G4Integrator<G4VXTRenergyLoss, G4double (G4V << 897 G4Integrator<G4VXTRenergyLoss,G4double(G4VXTRenergyLoss::*)(G4double)> integral;
886 integral; <<
887 898
888 fEnergy = energy; 899 fEnergy = energy;
>> 900 /*
>> 901 if( fAngleRadDistr && ( fEnergy == fEnergyForAngle ) )
>> 902 {
>> 903 fAngleVector ->PutValue(fBinTR - 1, angleSum);
>> 904
>> 905 for( i = fBinTR - 2; i >= 0; i-- )
>> 906 {
>> 907
>> 908 angleSum += integral.Legendre10(
>> 909 this,&G4VXTRenergyLoss::SpectralAngleXTRdEdx,
>> 910 fAngleVector->GetLowEdgeEnergy(i),
>> 911 fAngleVector->GetLowEdgeEnergy(i+1) );
>> 912
>> 913 fAngleVector ->PutValue(i, angleSum);
>> 914 }
>> 915 }
>> 916 else
>> 917 */
889 { 918 {
890 for(i = 0; i < iMax - 1; ++i) << 919 for( i = 0; i < iMax-1; i++ )
891 { 920 {
892 angleSum += integral.Legendre96( << 921 angleSum += integral.Legendre96(this,&G4VXTRenergyLoss::SpectralAngleXTRdEdx,
893 this, &G4VXTRenergyLoss::SpectralAngle << 922 lim[i],lim[i+1]);
>> 923 // result += integral.Legendre10(this,&G4VXTRenergyLoss::SpectralAngleXTRdEdx,
>> 924 // lim[i],lim[i+1]);
894 } 925 }
895 } 926 }
896 return angleSum; 927 return angleSum;
897 } << 928 }
898 << 929
899 ////////////////////////////////////////////// 930 //////////////////////////////////////////////////////////////////////////
>> 931 //
900 // for photon angle distribution tables 932 // for photon angle distribution tables
>> 933 //
>> 934
901 G4double G4VXTRenergyLoss::AngleSpectralXTRdEd 935 G4double G4VXTRenergyLoss::AngleSpectralXTRdEdx(G4double energy)
902 { 936 {
903 G4double result = GetStackFactor(energy, fGa << 937 G4double result = GetStackFactor(energy,fGamma,fVarAngle);
904 if(result < 0) << 938 if(result < 0) result = 0.0;
905 result = 0.0; <<
906 return result; 939 return result;
907 } << 940 }
908 941
909 ////////////////////////////////////////////// 942 ///////////////////////////////////////////////////////////////////////////
>> 943 //
910 // The XTR angular distribution based on trans 944 // The XTR angular distribution based on transparent regular radiator
911 G4double G4VXTRenergyLoss::AngleXTRdEdx(G4doub << 945
>> 946 G4double G4VXTRenergyLoss::AngleXTRdEdx(G4double varAngle)
912 { 947 {
>> 948 // G4cout<<"angle2 = "<<varAngle<<"; fGamma = "<<fGamma<<G4endl;
>> 949
913 G4double result; 950 G4double result;
914 G4double sum = 0., tmp1, tmp2, tmp = 0., cof << 951 G4double sum = 0., tmp1, tmp2, tmp=0., cof1, cof2, cofMin, cofPHC, energy1, energy2;
915 energy2; <<
916 G4int k, kMax, kMin, i; 952 G4int k, kMax, kMin, i;
917 953
918 cofPHC = twopi * hbarc; << 954 cofPHC = twopi*hbarc;
919 955
920 cof1 = (fPlateThick + fGasThick) * (1. / fGa << 956 cof1 = (fPlateThick + fGasThick)*(1./fGamma/fGamma + varAngle);
921 cof2 = fPlateThick * fSigma1 + fGasThick * f << 957 cof2 = fPlateThick*fSigma1 + fGasThick*fSigma2;
922 958
923 cofMin = std::sqrt(cof1 * cof2); << 959 // G4cout<<"cof1 = "<<cof1<<"; cof2 = "<<cof2<<"; cofPHC = "<<cofPHC<<G4endl;
>> 960
>> 961 cofMin = std::sqrt(cof1*cof2);
924 cofMin /= cofPHC; 962 cofMin /= cofPHC;
925 963
926 kMin = G4int(cofMin); 964 kMin = G4int(cofMin);
927 if(cofMin > kMin) << 965 if (cofMin > kMin) kMin++;
928 kMin++; << 966
>> 967 kMax = kMin + 9; // 9; // kMin + G4int(tmp);
929 968
930 kMax = kMin + 9; << 969 // G4cout<<"cofMin = "<<cofMin<<"; kMin = "<<kMin<<"; kMax = "<<kMax<<G4endl;
931 970
932 for(k = kMin; k <= kMax; ++k) << 971 for( k = kMin; k <= kMax; k++ )
933 { 972 {
934 tmp1 = cofPHC * k; << 973 tmp1 = cofPHC*k;
935 tmp2 = std::sqrt(tmp1 * tmp1 - cof1 * c << 974 tmp2 = std::sqrt(tmp1*tmp1-cof1*cof2);
936 energy1 = (tmp1 + tmp2) / cof1; << 975 energy1 = (tmp1+tmp2)/cof1;
937 energy2 = (tmp1 - tmp2) / cof1; << 976 energy2 = (tmp1-tmp2)/cof1;
938 977
939 for(i = 0; i < 2; ++i) << 978 for(i = 0; i < 2; i++)
940 { 979 {
941 if(i == 0) << 980 if( i == 0 )
942 { 981 {
943 if(energy1 > fTheMaxEnergyTR || energy << 982 if (energy1 > fTheMaxEnergyTR || energy1 < fTheMinEnergyTR) continue;
944 continue; << 983 tmp1 = ( energy1*energy1*(1./fGamma/fGamma + varAngle) + fSigma1 )
945 << 984 * fPlateThick/(4*hbarc*energy1);
946 tmp1 = <<
947 (energy1 * energy1 * (1. / fGamma / <<
948 fPlateThick / (4 * hbarc * energy1); <<
949 tmp2 = std::sin(tmp1); 985 tmp2 = std::sin(tmp1);
950 tmp = energy1 * tmp2 * tmp2; << 986 tmp = energy1*tmp2*tmp2;
951 tmp2 = fPlateThick / (4. * tmp1); << 987 tmp2 = fPlateThick/(4*tmp1);
952 tmp1 = << 988 tmp1 = hbarc*energy1/( energy1*energy1*(1./fGamma/fGamma + varAngle) + fSigma2 );
953 hbarc * energy1 / << 989 tmp *= (tmp1-tmp2)*(tmp1-tmp2);
954 (energy1 * energy1 * (1. / fGamma / << 990 tmp1 = cof1/(4*hbarc) - cof2/(4*hbarc*energy1*energy1);
955 tmp *= (tmp1 - tmp2) * (tmp1 - tmp2); << 991 tmp2 = std::abs(tmp1);
956 tmp1 = cof1 / (4. * hbarc) - cof2 / (4 << 992 if(tmp2 > 0.) tmp /= tmp2;
957 tmp2 = std::abs(tmp1); << 993 else continue;
958 <<
959 if(tmp2 > 0.) <<
960 tmp /= tmp2; <<
961 else <<
962 continue; <<
963 } 994 }
964 else 995 else
965 { 996 {
966 if(energy2 > fTheMaxEnergyTR || energy << 997 if (energy2 > fTheMaxEnergyTR || energy2 < fTheMinEnergyTR) continue;
967 continue; << 998 tmp1 = ( energy2*energy2*(1./fGamma/fGamma + varAngle) + fSigma1 )
968 << 999 * fPlateThick/(4*hbarc*energy2);
969 tmp1 = <<
970 (energy2 * energy2 * (1. / fGamma / <<
971 fPlateThick / (4. * hbarc * energy2) <<
972 tmp2 = std::sin(tmp1); 1000 tmp2 = std::sin(tmp1);
973 tmp = energy2 * tmp2 * tmp2; << 1001 tmp = energy2*tmp2*tmp2;
974 tmp2 = fPlateThick / (4. * tmp1); << 1002 tmp2 = fPlateThick/(4*tmp1);
975 tmp1 = << 1003 tmp1 = hbarc*energy2/( energy2*energy2*(1./fGamma/fGamma + varAngle) + fSigma2 );
976 hbarc * energy2 / << 1004 tmp *= (tmp1-tmp2)*(tmp1-tmp2);
977 (energy2 * energy2 * (1. / fGamma / << 1005 tmp1 = cof1/(4*hbarc) - cof2/(4*hbarc*energy2*energy2);
978 tmp *= (tmp1 - tmp2) * (tmp1 - tmp2); << 1006 tmp2 = std::abs(tmp1);
979 tmp1 = cof1 / (4. * hbarc) - cof2 / (4 << 1007 if(tmp2 > 0.) tmp /= tmp2;
980 tmp2 = std::abs(tmp1); << 1008 else continue;
981 <<
982 if(tmp2 > 0.) <<
983 tmp /= tmp2; <<
984 else <<
985 continue; <<
986 } 1009 }
987 sum += tmp; 1010 sum += tmp;
988 } 1011 }
>> 1012 // G4cout<<"k = "<<k<<"; energy1 = "<<energy1/keV<<" keV; energy2 = "<<energy2/keV
>> 1013 // <<" keV; tmp = "<<tmp<<"; sum = "<<sum<<G4endl;
989 } 1014 }
990 result = 4. * pi * fPlateNumber * sum * varA << 1015 result = 4.*pi*fPlateNumber*sum*varAngle;
991 result /= hbarc * hbarc; << 1016 result /= hbarc*hbarc;
992 1017
>> 1018 // old code based on general numeric integration
>> 1019 // fVarAngle = varAngle;
>> 1020 // G4Integrator<G4VXTRenergyLoss,G4double(G4VXTRenergyLoss::*)(G4double)> integral;
>> 1021 // result = integral.Legendre10(this,&G4VXTRenergyLoss::AngleSpectralXTRdEdx,
>> 1022 // fMinEnergyTR,fMaxEnergyTR);
993 return result; 1023 return result;
994 } 1024 }
995 1025
>> 1026
>> 1027 //////////////////////////////////////////////////////////////////////
996 ////////////////////////////////////////////// 1028 //////////////////////////////////////////////////////////////////////
>> 1029 //////////////////////////////////////////////////////////////////////
>> 1030 //
997 // Calculates formation zone for plates. Omega 1031 // Calculates formation zone for plates. Omega is energy !!!
998 G4double G4VXTRenergyLoss::GetPlateFormationZo << 1032
999 << 1033 G4double G4VXTRenergyLoss::GetPlateFormationZone( G4double omega ,
>> 1034 G4double gamma ,
>> 1035 G4double varAngle )
1000 { 1036 {
1001 G4double cof, lambda; 1037 G4double cof, lambda;
1002 lambda = 1.0 / gamma / gamma + varAngle + f << 1038 lambda = 1.0/gamma/gamma + varAngle + fSigma1/omega/omega;
1003 cof = 2.0 * hbarc / omega / lambda; << 1039 cof = 2.0*hbarc/omega/lambda;
1004 return cof; 1040 return cof;
1005 } 1041 }
1006 1042
1007 ///////////////////////////////////////////// 1043 //////////////////////////////////////////////////////////////////////
>> 1044 //
1008 // Calculates complex formation zone for plat 1045 // Calculates complex formation zone for plates. Omega is energy !!!
1009 G4complex G4VXTRenergyLoss::GetPlateComplexFZ << 1046
1010 << 1047 G4complex G4VXTRenergyLoss::GetPlateComplexFZ( G4double omega ,
>> 1048 G4double gamma ,
>> 1049 G4double varAngle )
1011 { 1050 {
1012 G4double cof, length, delta, real_v, image_ << 1051 G4double cof, length,delta, real_v, image_v;
1013 1052
1014 length = 0.5 * GetPlateFormationZone(omega, << 1053 length = 0.5*GetPlateFormationZone(omega,gamma,varAngle);
1015 delta = length * GetPlateLinearPhotoAbs(om << 1054 delta = length*GetPlateLinearPhotoAbs(omega);
1016 cof = 1.0 / (1.0 + delta * delta); << 1055 cof = 1.0/(1.0 + delta*delta);
1017 1056
1018 real_v = length * cof; << 1057 real_v = length*cof;
1019 image_v = real_v * delta; << 1058 image_v = real_v*delta;
1020 1059
1021 G4complex zone(real_v, image_v); << 1060 G4complex zone(real_v,image_v);
1022 return zone; 1061 return zone;
1023 } 1062 }
1024 1063
1025 ///////////////////////////////////////////// 1064 ////////////////////////////////////////////////////////////////////////
>> 1065 //
1026 // Computes matrix of Sandia photo absorption 1066 // Computes matrix of Sandia photo absorption cross section coefficients for
1027 // plate material 1067 // plate material
1028 void G4VXTRenergyLoss::ComputePlatePhotoAbsCo << 1068
>> 1069 void G4VXTRenergyLoss::ComputePlatePhotoAbsCof()
1029 { 1070 {
1030 const G4MaterialTable* theMaterialTable = G 1071 const G4MaterialTable* theMaterialTable = G4Material::GetMaterialTable();
1031 const G4Material* mat = ( << 1072 const G4Material* mat = (*theMaterialTable)[fMatIndex1];
1032 fPlatePhotoAbsCof = m << 1073 fPlatePhotoAbsCof = mat->GetSandiaTable();
1033 1074
1034 return; 1075 return;
1035 } 1076 }
1036 1077
>> 1078
>> 1079
1037 ///////////////////////////////////////////// 1080 //////////////////////////////////////////////////////////////////////
1038 // Returns the value of linear photo absorpti << 1081 //
>> 1082 // Returns the value of linear photo absorption coefficient (in reciprocal
1039 // length) for plate for given energy of X-ra 1083 // length) for plate for given energy of X-ray photon omega
1040 G4double G4VXTRenergyLoss::GetPlateLinearPhot <<
1041 { <<
1042 G4double omega2, omega3, omega4; <<
1043 1084
1044 omega2 = omega * omega; << 1085 G4double G4VXTRenergyLoss::GetPlateLinearPhotoAbs(G4double omega)
1045 omega3 = omega2 * omega; << 1086 {
1046 omega4 = omega2 * omega2; << 1087 // G4int i;
>> 1088 G4double omega2, omega3, omega4;
1047 1089
1048 const G4double* SandiaCof = fPlatePhotoAbsC << 1090 omega2 = omega*omega;
1049 G4double cross = SandiaCof[0] / << 1091 omega3 = omega2*omega;
1050 SandiaCof[2] / omega3 + Sa << 1092 omega4 = omega2*omega2;
>> 1093
>> 1094 G4double* SandiaCof = fPlatePhotoAbsCof->GetSandiaCofForMaterial(omega);
>> 1095 G4double cross = SandiaCof[0]/omega + SandiaCof[1]/omega2 +
>> 1096 SandiaCof[2]/omega3 + SandiaCof[3]/omega4;
1051 return cross; 1097 return cross;
1052 } 1098 }
1053 1099
>> 1100
1054 ///////////////////////////////////////////// 1101 //////////////////////////////////////////////////////////////////////
>> 1102 //
1055 // Calculates formation zone for gas. Omega i 1103 // Calculates formation zone for gas. Omega is energy !!!
1056 G4double G4VXTRenergyLoss::GetGasFormationZon << 1104
1057 << 1105 G4double G4VXTRenergyLoss::GetGasFormationZone( G4double omega ,
>> 1106 G4double gamma ,
>> 1107 G4double varAngle )
1058 { 1108 {
1059 G4double cof, lambda; 1109 G4double cof, lambda;
1060 lambda = 1.0 / gamma / gamma + varAngle + f << 1110 lambda = 1.0/gamma/gamma + varAngle + fSigma2/omega/omega;
1061 cof = 2.0 * hbarc / omega / lambda; << 1111 cof = 2.0*hbarc/omega/lambda;
1062 return cof; 1112 return cof;
1063 } 1113 }
1064 1114
>> 1115
1065 ///////////////////////////////////////////// 1116 //////////////////////////////////////////////////////////////////////
>> 1117 //
1066 // Calculates complex formation zone for gas 1118 // Calculates complex formation zone for gas gaps. Omega is energy !!!
1067 G4complex G4VXTRenergyLoss::GetGasComplexFZ(G << 1119
1068 G << 1120 G4complex G4VXTRenergyLoss::GetGasComplexFZ( G4double omega ,
>> 1121 G4double gamma ,
>> 1122 G4double varAngle )
1069 { 1123 {
1070 G4double cof, length, delta, real_v, image_ << 1124 G4double cof, length,delta, real_v, image_v;
1071 1125
1072 length = 0.5 * GetGasFormationZone(omega, g << 1126 length = 0.5*GetGasFormationZone(omega,gamma,varAngle);
1073 delta = length * GetGasLinearPhotoAbs(omeg << 1127 delta = length*GetGasLinearPhotoAbs(omega);
1074 cof = 1.0 / (1.0 + delta * delta); << 1128 cof = 1.0/(1.0 + delta*delta);
1075 1129
1076 real_v = length * cof; << 1130 real_v = length*cof;
1077 image_v = real_v * delta; << 1131 image_v = real_v*delta;
1078 1132
1079 G4complex zone(real_v, image_v); << 1133 G4complex zone(real_v,image_v);
1080 return zone; 1134 return zone;
1081 } 1135 }
1082 1136
>> 1137
>> 1138
1083 ///////////////////////////////////////////// 1139 ////////////////////////////////////////////////////////////////////////
>> 1140 //
1084 // Computes matrix of Sandia photo absorption 1141 // Computes matrix of Sandia photo absorption cross section coefficients for
1085 // gas material 1142 // gas material
1086 void G4VXTRenergyLoss::ComputeGasPhotoAbsCof( << 1143
>> 1144 void G4VXTRenergyLoss::ComputeGasPhotoAbsCof()
1087 { 1145 {
1088 const G4MaterialTable* theMaterialTable = G 1146 const G4MaterialTable* theMaterialTable = G4Material::GetMaterialTable();
1089 const G4Material* mat = ( << 1147 const G4Material* mat = (*theMaterialTable)[fMatIndex2];
1090 fGasPhotoAbsCof = m << 1148 fGasPhotoAbsCof = mat->GetSandiaTable();
1091 return; 1149 return;
1092 } 1150 }
1093 1151
1094 ///////////////////////////////////////////// 1152 //////////////////////////////////////////////////////////////////////
1095 // Returns the value of linear photo absorpti << 1153 //
>> 1154 // Returns the value of linear photo absorption coefficient (in reciprocal
1096 // length) for gas 1155 // length) for gas
1097 G4double G4VXTRenergyLoss::GetGasLinearPhotoA << 1156
>> 1157 G4double G4VXTRenergyLoss::GetGasLinearPhotoAbs(G4double omega)
1098 { 1158 {
1099 G4double omega2, omega3, omega4; << 1159 G4double omega2, omega3, omega4;
1100 1160
1101 omega2 = omega * omega; << 1161 omega2 = omega*omega;
1102 omega3 = omega2 * omega; << 1162 omega3 = omega2*omega;
1103 omega4 = omega2 * omega2; << 1163 omega4 = omega2*omega2;
1104 1164
1105 const G4double* SandiaCof = fGasPhotoAbsCof << 1165 G4double* SandiaCof = fGasPhotoAbsCof->GetSandiaCofForMaterial(omega);
1106 G4double cross = SandiaCof[0] / << 1166 G4double cross = SandiaCof[0]/omega + SandiaCof[1]/omega2 +
1107 SandiaCof[2] / omega3 + Sa << 1167 SandiaCof[2]/omega3 + SandiaCof[3]/omega4;
1108 return cross; 1168 return cross;
>> 1169
1109 } 1170 }
1110 1171
1111 ///////////////////////////////////////////// 1172 //////////////////////////////////////////////////////////////////////
1112 // Calculates the product of linear cof by fo << 1173 //
>> 1174 // Calculates the product of linear cof by formation zone for plate.
1113 // Omega is energy !!! 1175 // Omega is energy !!!
1114 G4double G4VXTRenergyLoss::GetPlateZmuProduct << 1176
1115 << 1177 G4double G4VXTRenergyLoss::GetPlateZmuProduct( G4double omega ,
>> 1178 G4double gamma ,
>> 1179 G4double varAngle )
1116 { 1180 {
1117 return GetPlateFormationZone(omega, gamma, << 1181 return GetPlateFormationZone(omega,gamma,varAngle)
1118 GetPlateLinearPhotoAbs(omega); << 1182 * GetPlateLinearPhotoAbs(omega);
1119 } 1183 }
1120 ///////////////////////////////////////////// 1184 //////////////////////////////////////////////////////////////////////
1121 // Calculates the product of linear cof by fo << 1185 //
>> 1186 // Calculates the product of linear cof by formation zone for plate.
1122 // G4cout and output in file in some energy r 1187 // G4cout and output in file in some energy range.
1123 void G4VXTRenergyLoss::GetPlateZmuProduct() << 1188
>> 1189 void G4VXTRenergyLoss::GetPlateZmuProduct()
1124 { 1190 {
1125 std::ofstream outPlate("plateZmu.dat", std: << 1191 std::ofstream outPlate("plateZmu.dat", std::ios::out );
1126 outPlate.setf(std::ios::scientific, std::io << 1192 outPlate.setf( std::ios::scientific, std::ios::floatfield );
1127 1193
1128 G4int i; 1194 G4int i;
1129 G4double omega, varAngle, gamma; 1195 G4double omega, varAngle, gamma;
1130 gamma = 10000.; << 1196 gamma = 10000.;
1131 varAngle = 1 / gamma / gamma; << 1197 varAngle = 1/gamma/gamma;
1132 if(verboseLevel > 0) 1198 if(verboseLevel > 0)
1133 G4cout << "energy, keV" << "\t" << "Zmu f << 1199 G4cout<<"energy, keV"<<"\t"<<"Zmu for plate"<<G4endl;
1134 for(i = 0; i < 100; ++i) << 1200 for(i=0;i<100;i++)
1135 { 1201 {
1136 omega = (1.0 + i) * keV; << 1202 omega = (1.0 + i)*keV;
1137 if(verboseLevel > 1) 1203 if(verboseLevel > 1)
1138 G4cout << omega / keV << "\t" << 1204 G4cout<<omega/keV<<"\t"<<GetPlateZmuProduct(omega,gamma,varAngle)<<"\t";
1139 << GetPlateZmuProduct(omega, gam <<
1140 if(verboseLevel > 0) 1205 if(verboseLevel > 0)
1141 outPlate << omega / keV << "\t\t" << 1206 outPlate<<omega/keV<<"\t\t"<<GetPlateZmuProduct(omega,gamma,varAngle)<<G4endl;
1142 << GetPlateZmuProduct(omega, g <<
1143 } 1207 }
1144 return; 1208 return;
1145 } 1209 }
1146 1210
1147 ///////////////////////////////////////////// 1211 //////////////////////////////////////////////////////////////////////
1148 // Calculates the product of linear cof by fo << 1212 //
>> 1213 // Calculates the product of linear cof by formation zone for gas.
1149 // Omega is energy !!! 1214 // Omega is energy !!!
1150 G4double G4VXTRenergyLoss::GetGasZmuProduct(G << 1215
1151 G << 1216 G4double G4VXTRenergyLoss::GetGasZmuProduct( G4double omega ,
>> 1217 G4double gamma ,
>> 1218 G4double varAngle )
1152 { 1219 {
1153 return GetGasFormationZone(omega, gamma, va << 1220 return GetGasFormationZone(omega,gamma,varAngle)*GetGasLinearPhotoAbs(omega);
1154 GetGasLinearPhotoAbs(omega); <<
1155 } 1221 }
1156 <<
1157 ///////////////////////////////////////////// 1222 //////////////////////////////////////////////////////////////////////
1158 // Calculates the product of linear cof by fo << 1223 //
>> 1224 // Calculates the product of linear cof byformation zone for gas.
1159 // G4cout and output in file in some energy r 1225 // G4cout and output in file in some energy range.
1160 void G4VXTRenergyLoss::GetGasZmuProduct() << 1226
>> 1227 void G4VXTRenergyLoss::GetGasZmuProduct()
1161 { 1228 {
1162 std::ofstream outGas("gasZmu.dat", std::ios << 1229 std::ofstream outGas("gasZmu.dat", std::ios::out );
1163 outGas.setf(std::ios::scientific, std::ios: << 1230 outGas.setf( std::ios::scientific, std::ios::floatfield );
1164 G4int i; 1231 G4int i;
1165 G4double omega, varAngle, gamma; 1232 G4double omega, varAngle, gamma;
1166 gamma = 10000.; << 1233 gamma = 10000.;
1167 varAngle = 1 / gamma / gamma; << 1234 varAngle = 1/gamma/gamma;
1168 if(verboseLevel > 0) 1235 if(verboseLevel > 0)
1169 G4cout << "energy, keV" << "\t" << "Zmu f << 1236 G4cout<<"energy, keV"<<"\t"<<"Zmu for gas"<<G4endl;
1170 for(i = 0; i < 100; ++i) << 1237 for(i=0;i<100;i++)
1171 { 1238 {
1172 omega = (1.0 + i) * keV; << 1239 omega = (1.0 + i)*keV;
1173 if(verboseLevel > 1) 1240 if(verboseLevel > 1)
1174 G4cout << omega / keV << "\t" << GetGas << 1241 G4cout<<omega/keV<<"\t"<<GetGasZmuProduct(omega,gamma,varAngle)<<"\t";
1175 << "\t"; <<
1176 if(verboseLevel > 0) 1242 if(verboseLevel > 0)
1177 outGas << omega / keV << "\t\t" << 1243 outGas<<omega/keV<<"\t\t"<<GetGasZmuProduct(omega,gamma,varAngle)<<G4endl;
1178 << GetGasZmuProduct(omega, gamma <<
1179 } 1244 }
1180 return; 1245 return;
1181 } 1246 }
1182 1247
1183 ///////////////////////////////////////////// 1248 ////////////////////////////////////////////////////////////////////////
>> 1249 //
1184 // Computes Compton cross section for plate m 1250 // Computes Compton cross section for plate material in 1/mm
1185 G4double G4VXTRenergyLoss::GetPlateCompton(G4 << 1251
>> 1252 G4double G4VXTRenergyLoss::GetPlateCompton(G4double omega)
1186 { 1253 {
1187 G4int i, numberOfElements; 1254 G4int i, numberOfElements;
1188 G4double xSection = 0., nowZ, sumZ = 0.; 1255 G4double xSection = 0., nowZ, sumZ = 0.;
1189 1256
1190 const G4MaterialTable* theMaterialTable = G 1257 const G4MaterialTable* theMaterialTable = G4Material::GetMaterialTable();
1191 numberOfElements = (G4int)(*theMaterialTabl << 1258 numberOfElements = (*theMaterialTable)[fMatIndex1]->GetNumberOfElements();
1192 1259
1193 for(i = 0; i < numberOfElements; ++i) << 1260 for( i = 0; i < numberOfElements; i++ )
1194 { 1261 {
1195 nowZ = (*theMaterialTable)[fMatIndex1]->G << 1262 nowZ = (*theMaterialTable)[fMatIndex1]->GetElement(i)->GetZ();
1196 sumZ += nowZ; << 1263 sumZ += nowZ;
1197 xSection += GetComptonPerAtom(omega, nowZ << 1264 xSection += GetComptonPerAtom(omega,nowZ); // *nowZ;
1198 } 1265 }
1199 xSection /= sumZ; 1266 xSection /= sumZ;
1200 xSection *= (*theMaterialTable)[fMatIndex1] 1267 xSection *= (*theMaterialTable)[fMatIndex1]->GetElectronDensity();
1201 return xSection; 1268 return xSection;
1202 } 1269 }
1203 1270
>> 1271
1204 ///////////////////////////////////////////// 1272 ////////////////////////////////////////////////////////////////////////
>> 1273 //
1205 // Computes Compton cross section for gas mat 1274 // Computes Compton cross section for gas material in 1/mm
1206 G4double G4VXTRenergyLoss::GetGasCompton(G4do << 1275
>> 1276 G4double G4VXTRenergyLoss::GetGasCompton(G4double omega)
1207 { 1277 {
1208 G4double xSection = 0., sumZ = 0.; << 1278 G4int i, numberOfElements;
>> 1279 G4double xSection = 0., nowZ, sumZ = 0.;
1209 1280
1210 const G4MaterialTable* theMaterialTable = G 1281 const G4MaterialTable* theMaterialTable = G4Material::GetMaterialTable();
1211 G4int numberOfElements = (G4int)(*theMateri << 1282 numberOfElements = (*theMaterialTable)[fMatIndex2]->GetNumberOfElements();
1212 1283
1213 for (G4int i = 0; i < numberOfElements; ++i << 1284 for( i = 0; i < numberOfElements; i++ )
1214 { 1285 {
1215 G4double nowZ = (*theMaterialTable)[fMatI << 1286 nowZ = (*theMaterialTable)[fMatIndex2]->GetElement(i)->GetZ();
1216 sumZ += nowZ; << 1287 sumZ += nowZ;
1217 xSection += GetComptonPerAtom(omega, nowZ << 1288 xSection += GetComptonPerAtom(omega,nowZ); // *nowZ;
1218 } 1289 }
1219 if (sumZ > 0.0) { xSection /= sumZ; } << 1290 xSection /= sumZ;
1220 xSection *= (*theMaterialTable)[fMatIndex2] 1291 xSection *= (*theMaterialTable)[fMatIndex2]->GetElectronDensity();
1221 return xSection; 1292 return xSection;
1222 } 1293 }
1223 1294
1224 ///////////////////////////////////////////// 1295 ////////////////////////////////////////////////////////////////////////
>> 1296 //
1225 // Computes Compton cross section per atom wi 1297 // Computes Compton cross section per atom with Z electrons for gamma with
1226 // the energy GammaEnergy 1298 // the energy GammaEnergy
1227 G4double G4VXTRenergyLoss::GetComptonPerAtom( << 1299
>> 1300 G4double G4VXTRenergyLoss::GetComptonPerAtom(G4double GammaEnergy, G4double Z)
1228 { 1301 {
1229 G4double CrossSection = 0.0; 1302 G4double CrossSection = 0.0;
1230 if(Z < 0.9999) << 1303 if ( Z < 0.9999 ) return CrossSection;
1231 return CrossSection; << 1304 if ( GammaEnergy < 0.1*keV ) return CrossSection;
1232 if(GammaEnergy < 0.1 * keV) << 1305 if ( GammaEnergy > (100.*GeV/Z) ) return CrossSection;
1233 return CrossSection; << 1306
1234 if(GammaEnergy > (100. * GeV / Z)) << 1307 static const G4double a = 20.0 , b = 230.0 , c = 440.0;
1235 return CrossSection; << 1308
1236 << 1309 static const G4double
1237 static constexpr G4double a = 20.0; << 1310 d1= 2.7965e-1*barn, d2=-1.8300e-1*barn, d3= 6.7527 *barn, d4=-1.9798e+1*barn,
1238 static constexpr G4double b = 230.0; << 1311 e1= 1.9756e-5*barn, e2=-1.0205e-2*barn, e3=-7.3913e-2*barn, e4= 2.7079e-2*barn,
1239 static constexpr G4double c = 440.0; << 1312 f1=-3.9178e-7*barn, f2= 6.8241e-5*barn, f3= 6.0480e-5*barn, f4= 3.0274e-4*barn;
1240 << 1313
1241 static constexpr G4double d1 = 2.7965e-1 * << 1314 G4double p1Z = Z*(d1 + e1*Z + f1*Z*Z), p2Z = Z*(d2 + e2*Z + f2*Z*Z),
1242 d3 = 6.7527 * bar << 1315 p3Z = Z*(d3 + e3*Z + f3*Z*Z), p4Z = Z*(d4 + e4*Z + f4*Z*Z);
1243 e1 = 1.9756e-5 * << 1316
1244 e3 = -7.3913e-2 * << 1317 G4double T0 = 15.0*keV;
1245 f1 = -3.9178e-7 * << 1318 if (Z < 1.5) T0 = 40.0*keV;
1246 f3 = 6.0480e-5 * << 1319
1247 << 1320 G4double X = std::max(GammaEnergy, T0) / electron_mass_c2;
1248 G4double p1Z = Z * (d1 + e1 * Z + f1 * Z * << 1321 CrossSection = p1Z*std::log(1.+2.*X)/X
1249 G4double p2Z = Z * (d2 + e2 * Z + f2 * Z * << 1322 + (p2Z + p3Z*X + p4Z*X*X)/(1. + a*X + b*X*X + c*X*X*X);
1250 G4double p3Z = Z * (d3 + e3 * Z + f3 * Z * <<
1251 G4double p4Z = Z * (d4 + e4 * Z + f4 * Z * <<
1252 <<
1253 G4double T0 = 15.0 * keV; <<
1254 if(Z < 1.5) <<
1255 T0 = 40.0 * keV; <<
1256 <<
1257 G4double X = std::max(GammaEnergy, T0) / el <<
1258 CrossSection = <<
1259 p1Z * std::log(1. + 2. * X) / X + <<
1260 (p2Z + p3Z * X + p4Z * X * X) / (1. + a * <<
1261 1323
1262 // modification for low energy. (special c 1324 // modification for low energy. (special case for Hydrogen)
1263 if(GammaEnergy < T0) << 1325
>> 1326 if (GammaEnergy < T0)
1264 { 1327 {
1265 G4double dT0 = 1. * keV; << 1328 G4double dT0 = 1.*keV;
1266 X = (T0 + dT0) / electron_mass << 1329 X = (T0+dT0) / electron_mass_c2;
1267 G4double sigma = << 1330 G4double sigma = p1Z*std::log(1.+2*X)/X
1268 p1Z * std::log(1. + 2. * X) / X + << 1331 + (p2Z + p3Z*X + p4Z*X*X)/(1. + a*X + b*X*X + c*X*X*X);
1269 (p2Z + p3Z * X + p4Z * X * X) / (1. + a << 1332 G4double c1 = -T0*(sigma-CrossSection)/(CrossSection*dT0);
1270 G4double c1 = -T0 * (sigma - CrossSection << 1333 G4double c2 = 0.150;
1271 G4double c2 = 0.150; << 1334 if (Z > 1.5) c2 = 0.375-0.0556*std::log(Z);
1272 if(Z > 1.5) << 1335 G4double y = std::log(GammaEnergy/T0);
1273 c2 = 0.375 - 0.0556 * std::log(Z); << 1336 CrossSection *= std::exp(-y*(c1+c2*y));
1274 G4double y = std::log(GammaEnergy / T0); <<
1275 CrossSection *= std::exp(-y * (c1 + c2 * <<
1276 } 1337 }
1277 return CrossSection; << 1338 // G4cout << "e= " << GammaEnergy << " Z= " << Z << " cross= " << CrossSection << G4endl;
>> 1339 return CrossSection;
1278 } 1340 }
1279 1341
>> 1342
1280 ///////////////////////////////////////////// 1343 ///////////////////////////////////////////////////////////////////////
>> 1344 //
1281 // This function returns the spectral and ang 1345 // This function returns the spectral and angle density of TR quanta
1282 // in X-ray energy region generated forward w 1346 // in X-ray energy region generated forward when a relativistic
1283 // charged particle crosses interface between 1347 // charged particle crosses interface between two materials.
1284 // The high energy small theta approximation 1348 // The high energy small theta approximation is applied.
1285 // (matter1 -> matter2, or 2->1) 1349 // (matter1 -> matter2, or 2->1)
1286 // varAngle =2* (1 - std::cos(theta)) or appr 1350 // varAngle =2* (1 - std::cos(theta)) or approximately = theta*theta
1287 G4double G4VXTRenergyLoss::OneBoundaryXTRNden << 1351 //
1288 << 1352
1289 << 1353 G4double
1290 { << 1354 G4VXTRenergyLoss::OneBoundaryXTRNdensity( G4double energy,G4double gamma,
1291 G4double formationLength1, formationLength2 << 1355 G4double varAngle ) const
1292 formationLength1 = << 1356 {
1293 1.0 / (1.0 / (gamma * gamma) + fSigma1 / << 1357 G4double formationLength1, formationLength2;
1294 formationLength2 = << 1358 formationLength1 = 1.0/
1295 1.0 / (1.0 / (gamma * gamma) + fSigma2 / << 1359 (1.0/(gamma*gamma)
1296 return (varAngle / energy) * (formationLeng << 1360 + fSigma1/(energy*energy)
1297 (formationLength1 - formationLength2 << 1361 + varAngle);
>> 1362 formationLength2 = 1.0/
>> 1363 (1.0/(gamma*gamma)
>> 1364 + fSigma2/(energy*energy)
>> 1365 + varAngle);
>> 1366 return (varAngle/energy)*(formationLength1 - formationLength2)
>> 1367 *(formationLength1 - formationLength2);
>> 1368
1298 } 1369 }
1299 1370
1300 G4double G4VXTRenergyLoss::GetStackFactor(G4d << 1371 G4double G4VXTRenergyLoss::GetStackFactor( G4double energy, G4double gamma,
1301 G4d << 1372 G4double varAngle )
1302 { 1373 {
1303 // return stack factor corresponding to one 1374 // return stack factor corresponding to one interface
1304 return std::real(OneInterfaceXTRdEdx(energy << 1375
>> 1376 return std::real( OneInterfaceXTRdEdx(energy,gamma,varAngle) );
1305 } 1377 }
1306 1378
1307 ///////////////////////////////////////////// 1379 //////////////////////////////////////////////////////////////////////////////
>> 1380 //
1308 // For photon energy distribution tables. Int 1381 // For photon energy distribution tables. Integrate first over angle
>> 1382 //
>> 1383
1309 G4double G4VXTRenergyLoss::XTRNSpectralAngleD 1384 G4double G4VXTRenergyLoss::XTRNSpectralAngleDensity(G4double varAngle)
1310 { 1385 {
1311 return OneBoundaryXTRNdensity(fEnergy, fGam << 1386 return OneBoundaryXTRNdensity(fEnergy,fGamma,varAngle)*
1312 GetStackFactor(fEnergy, fGamma, varA << 1387 GetStackFactor(fEnergy,fGamma,varAngle);
1313 } 1388 }
1314 1389
1315 ///////////////////////////////////////////// 1390 /////////////////////////////////////////////////////////////////////////
>> 1391 //
1316 // For second integration over energy 1392 // For second integration over energy
>> 1393
1317 G4double G4VXTRenergyLoss::XTRNSpectralDensit 1394 G4double G4VXTRenergyLoss::XTRNSpectralDensity(G4double energy)
1318 { 1395 {
1319 fEnergy = energy; 1396 fEnergy = energy;
1320 G4Integrator<G4VXTRenergyLoss, G4double (G4 << 1397 G4Integrator<G4VXTRenergyLoss,G4double(G4VXTRenergyLoss::*)(G4double)> integral;
1321 integral; << 1398 return integral.Legendre96(this,&G4VXTRenergyLoss::XTRNSpectralAngleDensity,
1322 return integral.Legendre96(this, &G4VXTRene << 1399 0.0,0.2*fMaxThetaTR) +
1323 0.0, 0.2 * fMaxT << 1400 integral.Legendre10(this,&G4VXTRenergyLoss::XTRNSpectralAngleDensity,
1324 integral.Legendre10(this, &G4VXTRene << 1401 0.2*fMaxThetaTR,fMaxThetaTR);
1325 0.2 * fMaxThetaT << 1402 }
1326 } << 1403
1327 <<
1328 ///////////////////////////////////////////// 1404 //////////////////////////////////////////////////////////////////////////
>> 1405 //
1329 // for photon angle distribution tables 1406 // for photon angle distribution tables
>> 1407 //
>> 1408
1330 G4double G4VXTRenergyLoss::XTRNAngleSpectralD 1409 G4double G4VXTRenergyLoss::XTRNAngleSpectralDensity(G4double energy)
1331 { 1410 {
1332 return OneBoundaryXTRNdensity(energy, fGamm << 1411 return OneBoundaryXTRNdensity(energy,fGamma,fVarAngle)*
1333 GetStackFactor(energy, fGamma, fVarA << 1412 GetStackFactor(energy,fGamma,fVarAngle);
1334 } << 1413 }
1335 1414
1336 ///////////////////////////////////////////// 1415 ///////////////////////////////////////////////////////////////////////////
1337 G4double G4VXTRenergyLoss::XTRNAngleDensity(G << 1416 //
>> 1417 //
>> 1418
>> 1419 G4double G4VXTRenergyLoss::XTRNAngleDensity(G4double varAngle)
1338 { 1420 {
1339 fVarAngle = varAngle; 1421 fVarAngle = varAngle;
1340 G4Integrator<G4VXTRenergyLoss, G4double (G4 << 1422 G4Integrator<G4VXTRenergyLoss,G4double(G4VXTRenergyLoss::*)(G4double)> integral;
1341 integral; << 1423 return integral.Legendre96(this,&G4VXTRenergyLoss::XTRNAngleSpectralDensity,
1342 return integral.Legendre96(this, &G4VXTRene << 1424 fMinEnergyTR,fMaxEnergyTR);
1343 fMinEnergyTR, fM <<
1344 } 1425 }
1345 1426
1346 ///////////////////////////////////////////// 1427 //////////////////////////////////////////////////////////////////////////////
1347 // Check number of photons for a range of Lor << 1428 //
>> 1429 // Check number of photons for a range of Lorentz factors from both energy
1348 // and angular tables 1430 // and angular tables
>> 1431
1349 void G4VXTRenergyLoss::GetNumberOfPhotons() 1432 void G4VXTRenergyLoss::GetNumberOfPhotons()
1350 { 1433 {
1351 G4int iTkin; 1434 G4int iTkin;
1352 G4double gamma, numberE; 1435 G4double gamma, numberE;
1353 1436
1354 std::ofstream outEn("numberE.dat", std::ios << 1437 std::ofstream outEn("numberE.dat", std::ios::out );
1355 outEn.setf(std::ios::scientific, std::ios:: << 1438 outEn.setf( std::ios::scientific, std::ios::floatfield );
1356 1439
1357 std::ofstream outAng("numberAng.dat", std:: << 1440 std::ofstream outAng("numberAng.dat", std::ios::out );
1358 outAng.setf(std::ios::scientific, std::ios: << 1441 outAng.setf( std::ios::scientific, std::ios::floatfield );
1359 1442
1360 for(iTkin = 0; iTkin < fTotBin; ++iTkin) / << 1443 for(iTkin=0;iTkin<fTotBin;iTkin++) // Lorentz factor loop
1361 { 1444 {
1362 gamma = << 1445 gamma = 1.0 + (fProtonEnergyVector->
1363 1.0 + (fProtonEnergyVector->GetLowEdgeE << 1446 GetLowEdgeEnergy(iTkin)/proton_mass_c2);
1364 numberE = (*(*fEnergyDistrTable)(iTkin))( << 1447 numberE = (*(*fEnergyDistrTable)(iTkin))(0);
1365 if(verboseLevel > 1) << 1448 // numberA = (*(*fAngleDistrTable)(iTkin))(0);
1366 G4cout << gamma << "\t\t" << numberE << << 1449 if(verboseLevel > 1)
1367 if(verboseLevel > 0) << 1450 G4cout<<gamma<<"\t\t"<<numberE<<"\t" // <<numberA
1368 outEn << gamma << "\t\t" << numberE << << 1451 <<G4endl;
>> 1452 if(verboseLevel > 0)
>> 1453 outEn<<gamma<<"\t\t"<<numberE<<G4endl;
1369 } 1454 }
1370 return; 1455 return;
1371 } << 1456 }
1372 1457
1373 ///////////////////////////////////////////// 1458 /////////////////////////////////////////////////////////////////////////
1374 // Returns random energy of a X-ray TR photon << 1459 //
>> 1460 // Returns randon energy of a X-ray TR photon for given scaled kinetic energy
1375 // of a charged particle 1461 // of a charged particle
1376 G4double G4VXTRenergyLoss::GetXTRrandomEnergy << 1462
>> 1463 G4double G4VXTRenergyLoss::GetXTRrandomEnergy( G4double scaledTkin, G4int iTkin )
1377 { 1464 {
1378 G4int iTransfer, iPlace; 1465 G4int iTransfer, iPlace;
1379 G4double transfer = 0.0, position, E1, E2, 1466 G4double transfer = 0.0, position, E1, E2, W1, W2, W;
1380 1467
1381 iPlace = iTkin - 1; 1468 iPlace = iTkin - 1;
1382 1469
1383 if(iTkin == fTotBin) // relativistic plato << 1470 // G4cout<<"iPlace = "<<iPlace<<endl;
>> 1471
>> 1472 if(iTkin == fTotBin) // relativistic plato, try from left
1384 { 1473 {
1385 position = (*(*fEnergyDistrTable)(iPlace) << 1474 position = (*(*fEnergyDistrTable)(iPlace))(0)*G4UniformRand();
1386 1475
1387 for(iTransfer = 0;; ++iTransfer) << 1476 for(iTransfer=0;;iTransfer++)
1388 { << 1477 {
1389 if(position >= (*(*fEnergyDistrTable)(i << 1478 if(position >= (*(*fEnergyDistrTable)(iPlace))(iTransfer)) break;
1390 break; << 1479 }
1391 } << 1480 transfer = GetXTRenergy(iPlace,position,iTransfer);
1392 transfer = GetXTRenergy(iPlace, position, <<
1393 } 1481 }
1394 else 1482 else
1395 { 1483 {
1396 E1 = fProtonEnergyVector->GetLowEdgeEnerg << 1484 E1 = fProtonEnergyVector->GetLowEdgeEnergy(iTkin - 1);
1397 E2 = fProtonEnergyVector->GetLowEdgeEnerg 1485 E2 = fProtonEnergyVector->GetLowEdgeEnergy(iTkin);
1398 W = 1.0 / (E2 - E1); << 1486 W = 1.0/(E2 - E1);
1399 W1 = (E2 - scaledTkin) * W; << 1487 W1 = (E2 - scaledTkin)*W;
1400 W2 = (scaledTkin - E1) * W; << 1488 W2 = (scaledTkin - E1)*W;
1401 << 1489
1402 position = ((*(*fEnergyDistrTable)(iPlace << 1490 position =( (*(*fEnergyDistrTable)(iPlace))(0)*W1 +
1403 (*(*fEnergyDistrTable)(iPlace << 1491 (*(*fEnergyDistrTable)(iPlace+1))(0)*W2 )*G4UniformRand();
1404 G4UniformRand(); << 1492
1405 << 1493 // G4cout<<position<<"\t";
1406 for(iTransfer = 0;; ++iTransfer) << 1494
1407 { << 1495 for(iTransfer=0;;iTransfer++)
1408 if(position >= ((*(*fEnergyDistrTable)( << 1496 {
1409 (*(*fEnergyDistrTable)( << 1497 if( position >=
1410 break; << 1498 ( (*(*fEnergyDistrTable)(iPlace))(iTransfer)*W1 +
1411 } << 1499 (*(*fEnergyDistrTable)(iPlace+1))(iTransfer)*W2) ) break;
1412 transfer = GetXTRenergy(iPlace, position, << 1500 }
1413 } << 1501 transfer = GetXTRenergy(iPlace,position,iTransfer);
1414 if(transfer < 0.0) << 1502
1415 transfer = 0.0; << 1503 }
>> 1504 // G4cout<<"XTR transfer = "<<transfer/keV<<" keV"<<endl;
>> 1505 if(transfer < 0.0 ) transfer = 0.0;
1416 return transfer; 1506 return transfer;
1417 } 1507 }
1418 1508
1419 ///////////////////////////////////////////// 1509 ////////////////////////////////////////////////////////////////////////
>> 1510 //
1420 // Returns approximate position of X-ray phot 1511 // Returns approximate position of X-ray photon energy during random sampling
1421 // over integral energy distribution 1512 // over integral energy distribution
1422 G4double G4VXTRenergyLoss::GetXTRenergy(G4int << 1513
>> 1514 G4double G4VXTRenergyLoss::GetXTRenergy( G4int iPlace,
>> 1515 G4double /* position */,
>> 1516 G4int iTransfer )
1423 { 1517 {
1424 G4double x1, x2, y1, y2, result; 1518 G4double x1, x2, y1, y2, result;
1425 1519
1426 if(iTransfer == 0) 1520 if(iTransfer == 0)
1427 { 1521 {
1428 result = (*fEnergyDistrTable)(iPlace)->Ge 1522 result = (*fEnergyDistrTable)(iPlace)->GetLowEdgeEnergy(iTransfer);
1429 } << 1523 }
1430 else 1524 else
1431 { 1525 {
1432 y1 = (*(*fEnergyDistrTable)(iPlace))(iTra << 1526 y1 = (*(*fEnergyDistrTable)(iPlace))(iTransfer-1);
1433 y2 = (*(*fEnergyDistrTable)(iPlace))(iTra 1527 y2 = (*(*fEnergyDistrTable)(iPlace))(iTransfer);
1434 1528
1435 x1 = (*fEnergyDistrTable)(iPlace)->GetLow << 1529 x1 = (*fEnergyDistrTable)(iPlace)->GetLowEdgeEnergy(iTransfer-1);
1436 x2 = (*fEnergyDistrTable)(iPlace)->GetLow 1530 x2 = (*fEnergyDistrTable)(iPlace)->GetLowEdgeEnergy(iTransfer);
1437 1531
1438 if(x1 == x2) << 1532 if ( x1 == x2 ) result = x2;
1439 result = x2; <<
1440 else 1533 else
1441 { 1534 {
1442 if(y1 == y2) << 1535 if ( y1 == y2 ) result = x1 + (x2 - x1)*G4UniformRand();
1443 result = x1 + (x2 - x1) * G4UniformRa <<
1444 else 1536 else
1445 { 1537 {
1446 result = x1 + (x2 - x1) * G4UniformRa << 1538 // result = x1 + (position - y1)*(x2 - x1)/(y2 - y1);
>> 1539 result = x1 + (x2 - x1)*G4UniformRand();
1447 } 1540 }
1448 } 1541 }
1449 } 1542 }
1450 return result; 1543 return result;
1451 } 1544 }
1452 1545
1453 ///////////////////////////////////////////// 1546 /////////////////////////////////////////////////////////////////////////
>> 1547 //
1454 // Get XTR photon angle at given energy and 1548 // Get XTR photon angle at given energy and Tkin
1455 1549
1456 G4double G4VXTRenergyLoss::GetRandomAngle(G4d << 1550 G4double G4VXTRenergyLoss::GetRandomAngle( G4double energyXTR, G4int iTkin )
1457 { 1551 {
1458 G4int iTR, iAngle; 1552 G4int iTR, iAngle;
1459 G4double position, angle; 1553 G4double position, angle;
1460 1554
1461 if(iTkin == fTotBin) << 1555 if (iTkin == fTotBin) iTkin--;
1462 --iTkin; <<
1463 1556
1464 fAngleForEnergyTable = fAngleBank[iTkin]; 1557 fAngleForEnergyTable = fAngleBank[iTkin];
1465 1558
1466 for(iTR = 0; iTR < fBinTR; ++iTR) << 1559 for( iTR = 0; iTR < fBinTR; iTR++ )
1467 { 1560 {
1468 if(energyXTR < fXTREnergyVector->GetLowEd << 1561 if( energyXTR < fXTREnergyVector->GetLowEdgeEnergy(iTR) ) break;
1469 break; <<
1470 } 1562 }
1471 if(iTR == fBinTR) << 1563 if (iTR == fBinTR) iTR--;
1472 --iTR; << 1564
1473 << 1565 position = (*(*fAngleForEnergyTable)(iTR))(0)*G4UniformRand();
1474 position = (*(*fAngleForEnergyTable)(iTR))( <<
1475 // position = (*(*fAngleForEnergyTable)(iTR <<
1476 1566
1477 for(iAngle = 0;; ++iAngle) << 1567 for(iAngle = 0;;iAngle++)
1478 // for(iAngle = 1;; ++iAngle) // ATLAS TB <<
1479 { 1568 {
1480 if(position >= (*(*fAngleForEnergyTable)( << 1569 if(position >= (*(*fAngleForEnergyTable)(iTR))(iAngle)) break;
1481 break; <<
1482 } 1570 }
1483 angle = GetAngleXTR(iTR, position, iAngle); << 1571 angle = GetAngleXTR(iTR,position,iAngle);
1484 return angle; 1572 return angle;
1485 } 1573 }
1486 1574
1487 ///////////////////////////////////////////// 1575 ////////////////////////////////////////////////////////////////////////
1488 // Returns approximate position of X-ray phot << 1576 //
1489 // random sampling over integral energy distr << 1577 // Returns approximate position of X-ray photon angle at given energy during random sampling
>> 1578 // over integral energy distribution
1490 1579
1491 G4double G4VXTRenergyLoss::GetAngleXTR(G4int << 1580 G4double G4VXTRenergyLoss::GetAngleXTR( G4int iPlace,
1492 G4int << 1581 G4double position,
>> 1582 G4int iTransfer )
1493 { 1583 {
1494 G4double x1, x2, y1, y2, result; 1584 G4double x1, x2, y1, y2, result;
1495 1585
1496 if( iTransfer == 0 ) << 1586 if(iTransfer == 0)
1497 // if( iTransfer == 1 ) // ATLAS TB <<
1498 { 1587 {
1499 result = (*fAngleForEnergyTable)(iPlace)- 1588 result = (*fAngleForEnergyTable)(iPlace)->GetLowEdgeEnergy(iTransfer);
1500 } << 1589 }
1501 else 1590 else
1502 { 1591 {
1503 y1 = (*(*fAngleForEnergyTable)(iPlace))(i << 1592 y1 = (*(*fAngleForEnergyTable)(iPlace))(iTransfer-1);
1504 y2 = (*(*fAngleForEnergyTable)(iPlace))(i 1593 y2 = (*(*fAngleForEnergyTable)(iPlace))(iTransfer);
1505 1594
1506 x1 = (*fAngleForEnergyTable)(iPlace)->Get << 1595 x1 = (*fAngleForEnergyTable)(iPlace)->GetLowEdgeEnergy(iTransfer-1);
1507 x2 = (*fAngleForEnergyTable)(iPlace)->Get 1596 x2 = (*fAngleForEnergyTable)(iPlace)->GetLowEdgeEnergy(iTransfer);
1508 1597
1509 if(x1 == x2) result = x2; << 1598 if ( x1 == x2 ) result = x2;
1510 else 1599 else
1511 { 1600 {
1512 if( y1 == y2 ) result = x1 + (x2 - x1) << 1601 if ( y1 == y2 ) result = x1 + (x2 - x1)*G4UniformRand();
1513 else 1602 else
1514 { 1603 {
1515 result = x1 + (position - y1) * (x2 - << 1604 result = x1 + (position - y1)*(x2 - x1)/(y2 - y1);
1516 // result = x1 + 0.1*(position - y1) <<
1517 // result = x1 + 0.05*(position - y1) <<
1518 } 1605 }
1519 } 1606 }
1520 } 1607 }
1521 return result; 1608 return result;
1522 } 1609 }
>> 1610
>> 1611
>> 1612 //
>> 1613 //
>> 1614 ///////////////////////////////////////////////////////////////////////
>> 1615
1523 1616