| Geant4 Cross Reference |
1 // 1 //
2 // ******************************************* 2 // ********************************************************************
3 // * License and Disclaimer << 3 // * DISCLAIMER *
4 // * 4 // * *
5 // * The Geant4 software is copyright of th << 5 // * The following disclaimer summarizes all the specific disclaimers *
6 // * the Geant4 Collaboration. It is provided << 6 // * of contributors to this software. The specific disclaimers,which *
7 // * conditions of the Geant4 Software License << 7 // * govern, are listed with their locations in: *
8 // * LICENSE and available at http://cern.ch/ << 8 // * http://cern.ch/geant4/license *
9 // * include a list of copyright holders. <<
10 // * 9 // * *
11 // * Neither the authors of this software syst 10 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing fin 11 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warran 12 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assum 13 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file << 14 // * use. *
16 // * for the full disclaimer and the limitatio <<
17 // * 15 // * *
18 // * This code implementation is the result << 16 // * This code implementation is the intellectual property of the *
19 // * technical work of the GEANT4 collaboratio << 17 // * GEANT4 collaboration. *
20 // * By using, copying, modifying or distri << 18 // * By copying, distributing or modifying the Program (or any work *
21 // * any work based on the software) you ag << 19 // * based on the Program) you indicate your acceptance of this *
22 // * use in resulting scientific publicati << 20 // * statement, and all its terms. *
23 // * acceptance of all terms of the Geant4 Sof <<
24 // ******************************************* 21 // ********************************************************************
25 // 22 //
26 // History: << 23 //
27 // 2001-2002 R&D by V.Grichine << 24 // $Id: G4VXTRenergyLoss.cc,v 1.8 2003/03/21 08:01:09 gcosmo Exp $
28 // 19.06.03 V. Grichine, modifications in Buil << 25 // GEANT4 tag $Name: geant4-05-01-patch-01 $
29 // in respect of angle: <<
30 // improved <<
31 // 28.07.05, P.Gumplinger add G4ProcessType to <<
32 // 28.09.07, V.Ivanchenko general cleanup with <<
33 // 26 //
34 27
35 #include "G4VXTRenergyLoss.hh" << 28 #include "G4Timer.hh"
36 29
37 #include "G4AffineTransform.hh" << 30 #include "G4VXTRenergyLoss.hh"
38 #include "G4DynamicParticle.hh" << 31 #include "G4Poisson.hh"
39 #include "G4EmProcessSubType.hh" <<
40 #include "G4Integrator.hh" <<
41 #include "G4MaterialTable.hh" 32 #include "G4MaterialTable.hh"
42 #include "G4ParticleMomentum.hh" << 33
43 #include "G4PhysicalConstants.hh" << 34 #include "G4PhysicsVector.hh"
44 #include "G4PhysicsFreeVector.hh" <<
45 #include "G4PhysicsLinearVector.hh" 35 #include "G4PhysicsLinearVector.hh"
46 #include "G4PhysicsLogVector.hh" << 36
47 #include "G4RotationMatrix.hh" << 37 // Initialization of local constants
48 #include "G4SandiaTable.hh" << 38
49 #include "G4SystemOfUnits.hh" << 39 G4double G4VXTRenergyLoss::fTheMinEnergyTR = 1.0*keV ;
50 #include "G4ThreeVector.hh" << 40 G4double G4VXTRenergyLoss::fTheMaxEnergyTR = 100.0*keV ;
51 #include "G4Timer.hh" << 41 G4double G4VXTRenergyLoss::fTheMaxAngle = 1.0e-3 ;
52 #include "G4VDiscreteProcess.hh" << 42 G4double G4VXTRenergyLoss::fTheMinAngle = 5.0e-6 ;
53 #include "G4VParticleChange.hh" << 43 G4int G4VXTRenergyLoss::fBinTR = 50 ;
54 #include "G4VSolid.hh" << 44
55 #include "G4PhysicsModelCatalog.hh" << 45 G4double G4VXTRenergyLoss::fMinProtonTkin = 100.0*GeV ;
>> 46 G4double G4VXTRenergyLoss::fMaxProtonTkin = 100.0*TeV ;
>> 47 G4int G4VXTRenergyLoss::fTotBin = 50 ;
>> 48 // Proton energy vector initialization
>> 49
>> 50 G4PhysicsLogVector* G4VXTRenergyLoss::
>> 51 fProtonEnergyVector = new G4PhysicsLogVector(fMinProtonTkin,
>> 52 fMaxProtonTkin,
>> 53 fTotBin ) ;
>> 54
>> 55 G4double G4VXTRenergyLoss::fPlasmaCof = 4.0*pi*fine_structure_const*
>> 56 hbarc*hbarc*hbarc/electron_mass_c2 ;
>> 57
>> 58 G4double G4VXTRenergyLoss::fCofTR = fine_structure_const/pi ;
>> 59
>> 60
>> 61
>> 62
56 63
57 ////////////////////////////////////////////// 64 ////////////////////////////////////////////////////////////////////////////
>> 65 //
58 // Constructor, destructor 66 // Constructor, destructor
59 G4VXTRenergyLoss::G4VXTRenergyLoss(G4LogicalVo <<
60 G4Material* <<
61 G4double a, <<
62 const G4Str <<
63 G4ProcessTy <<
64 : G4VDiscreteProcess(processName, type) <<
65 , fGammaCutInKineticEnergy(nullptr) <<
66 , fAngleDistrTable(nullptr) <<
67 , fEnergyDistrTable(nullptr) <<
68 , fAngleForEnergyTable(nullptr) <<
69 , fPlatePhotoAbsCof(nullptr) <<
70 , fGasPhotoAbsCof(nullptr) <<
71 , fGammaTkinCut(0.0) <<
72 { <<
73 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 67
94 fMinThetaTR = 3.0e-9; << 68 G4VXTRenergyLoss::G4VXTRenergyLoss(G4LogicalVolume *anEnvelope,
95 fMaxThetaTR = 1.0e-4; << 69 G4Material* foilMat,G4Material* gasMat,
96 << 70 G4double a, G4double b,
97 << 71 G4int n,const G4String& processName) :
98 // Proton energy vector initialization << 72 G4VContinuousProcess(processName)
99 fProtonEnergyVector = << 73 {
100 new G4PhysicsLogVector(fMinProtonTkin, fMa << 74 fEnvelope = anEnvelope ;
101 << 75 // fPlateNumber = fEnvelope->GetNoDaughters() ;
102 fXTREnergyVector = << 76 fPlateNumber = n ;
103 new G4PhysicsLogVector(fTheMinEnergyTR, fT << 77 G4cout<<"the number of TR radiator plates = "<<fPlateNumber<<G4endl ;
104 <<
105 fEnvelope = anEnvelope; <<
106 <<
107 fPlateNumber = n; <<
108 if(verboseLevel > 0) <<
109 G4cout << "### G4VXTRenergyLoss: the numbe <<
110 << fPlateNumber << G4endl; <<
111 if(fPlateNumber == 0) 78 if(fPlateNumber == 0)
112 { 79 {
113 G4Exception("G4VXTRenergyLoss::G4VXTRenerg << 80 G4Exception("No plates in X-ray TR radiator") ;
114 FatalException, "No plates in <<
115 } 81 }
116 // default is XTR dEdx, not flux after radia << 82 // Mean thicknesses of plates and gas gaps
117 fExitFlux = false; <<
118 // default angle distribution according nume <<
119 fFastAngle = false; // no angle accordin <<
120 fAngleRadDistr = true; <<
121 fCompton = false; <<
122 83
123 fLambda = DBL_MAX; << 84 fPlateThick = a ;
>> 85 fGasThick = b ;
124 86
125 // Mean thicknesses of plates and gas gaps << 87 fTotalDist = fPlateNumber*(fPlateThick+fGasThick) ;
126 fPlateThick = a; << 88 G4cout<<"total radiator thickness = "<<fTotalDist/cm<<" cm"<<G4endl ;
127 fGasThick = b; <<
128 fTotalDist = fPlateNumber * (fPlateThick + <<
129 if(verboseLevel > 0) <<
130 G4cout << "total radiator thickness = " << <<
131 << G4endl; <<
132 89
133 // index of plate material 90 // index of plate material
134 fMatIndex1 = (G4int)foilMat->GetIndex(); << 91 fMatIndex1 = foilMat->GetIndex() ;
135 if(verboseLevel > 0) << 92 G4cout<<"plate material = "<<foilMat->GetName()<<G4endl ;
136 G4cout << "plate material = " << foilMat-> <<
137 93
138 // index of gas material 94 // index of gas material
139 fMatIndex2 = (G4int)gasMat->GetIndex(); << 95 fMatIndex2 = gasMat->GetIndex() ;
140 if(verboseLevel > 0) << 96 G4cout<<"gas material = "<<gasMat->GetName()<<G4endl ;
141 G4cout << "gas material = " << gasMat->Get <<
142 97
143 // plasma energy squared for plate material 98 // plasma energy squared for plate material
144 fSigma1 = fPlasmaCof * foilMat->GetElectronD << 99
145 if(verboseLevel > 0) << 100 fSigma1 = fPlasmaCof*foilMat->GetElectronDensity() ;
146 G4cout << "plate plasma energy = " << std: << 101 // fSigma1 = (20.9*eV)*(20.9*eV) ;
147 << G4endl; << 102 G4cout<<"plate plasma energy = "<<sqrt(fSigma1)/eV<<" eV"<<G4endl ;
148 103
149 // plasma energy squared for gas material 104 // plasma energy squared for gas material
150 fSigma2 = fPlasmaCof * gasMat->GetElectronDe << 105
151 if(verboseLevel > 0) << 106 fSigma2 = fPlasmaCof*gasMat->GetElectronDensity() ;
152 G4cout << "gas plasma energy = " << std::s << 107 G4cout<<"gas plasma energy = "<<sqrt(fSigma2)/eV<<" eV"<<G4endl ;
153 << G4endl; <<
154 108
155 // Compute cofs for preparation of linear ph 109 // Compute cofs for preparation of linear photo absorption
156 ComputePlatePhotoAbsCof(); <<
157 ComputeGasPhotoAbsCof(); <<
158 110
159 pParticleChange = &fParticleChange; << 111 ComputePlatePhotoAbsCof() ;
>> 112 ComputeGasPhotoAbsCof() ;
>> 113
160 } 114 }
161 115
162 ////////////////////////////////////////////// 116 ///////////////////////////////////////////////////////////////////////////
>> 117
163 G4VXTRenergyLoss::~G4VXTRenergyLoss() 118 G4VXTRenergyLoss::~G4VXTRenergyLoss()
164 { 119 {
165 delete fProtonEnergyVector; << 120 G4int i ;
166 delete fXTREnergyVector; <<
167 if(fEnergyDistrTable) <<
168 { <<
169 fEnergyDistrTable->clearAndDestroy(); <<
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 } <<
183 121
184 void G4VXTRenergyLoss::ProcessDescription(std: << 122 if(fEnvelope) delete fEnvelope;
185 { << 123
186 out << "Base class for 'fast' parameterisati << 124 for(i=0;i<fGasIntervalNumber;i++)
187 "transition\n" << 125 {
188 "radiation. Angular distribution is v << 126 delete[] fGasPhotoAbsCof[i] ;
>> 127 }
>> 128 delete[] fGasPhotoAbsCof ;
>> 129
>> 130 for(i=0;i<fPlateIntervalNumber;i++)
>> 131 {
>> 132 delete[] fPlatePhotoAbsCof[i] ;
>> 133 }
>> 134 delete[] fPlatePhotoAbsCof ;
189 } 135 }
190 136
191 ////////////////////////////////////////////// 137 ///////////////////////////////////////////////////////////////////////////////
>> 138 //
192 // Returns condition for application of the mo 139 // Returns condition for application of the model depending on particle type
>> 140
>> 141
193 G4bool G4VXTRenergyLoss::IsApplicable(const G4 142 G4bool G4VXTRenergyLoss::IsApplicable(const G4ParticleDefinition& particle)
194 { 143 {
195 return (particle.GetPDGCharge() != 0.0); << 144 return ( particle.GetPDGCharge() != 0.0 ) ;
196 } 145 }
197 146
198 ////////////////////////////////////////////// << 147 //////////////////////////////////////////////////////////////////////////////////
199 // Calculate step size for XTR process inside << 148 //
200 G4double G4VXTRenergyLoss::GetMeanFreePath(con << 149 // GetContinuousStepLimit
201 G4F << 150 //
202 { <<
203 G4int iTkin, iPlace; <<
204 G4double lambda, sigma, kinEnergy, mass, gam <<
205 G4double charge, chargeSq, massRatio, TkinSc <<
206 G4double E1, E2, W, W1, W2; <<
207 <<
208 *condition = NotForced; <<
209 <<
210 if(aTrack.GetVolume()->GetLogicalVolume() != <<
211 lambda = DBL_MAX; <<
212 else <<
213 { <<
214 const G4DynamicParticle* aParticle = aTrac <<
215 kinEnergy = aPart <<
216 mass = aParticle->GetDefinition()->GetPDG <<
217 gamma = 1.0 + kinEnergy / mass; <<
218 if(verboseLevel > 1) <<
219 { <<
220 G4cout << " gamma = " << gamma << "; f <<
221 } <<
222 <<
223 if(std::fabs(gamma - fGamma) < 0.05 * gamm <<
224 lambda = fLambda; <<
225 else <<
226 { <<
227 charge = aParticle->GetDefinition()- <<
228 chargeSq = charge * charge; <<
229 massRatio = proton_mass_c2 / mass; <<
230 TkinScaled = kinEnergy * massRatio; <<
231 <<
232 for(iTkin = 0; iTkin < fTotBin; ++iTkin) <<
233 { <<
234 if(TkinScaled < fProtonEnergyVector->G <<
235 break; <<
236 } <<
237 iPlace = iTkin - 1; <<
238 <<
239 if(iTkin == 0) <<
240 lambda = DBL_MAX; // Tkin is too smal <<
241 else // general case: Tkin between two <<
242 { <<
243 if(iTkin == fTotBin) <<
244 { <<
245 sigma = (*(*fEnergyDistrTable)(iPlac <<
246 } <<
247 else <<
248 { <<
249 E1 = fProtonEnergyVector->GetLowE <<
250 E2 = fProtonEnergyVector->GetLowE <<
251 W = 1.0 / (E2 - E1); <<
252 W1 = (E2 - TkinScaled) * W; <<
253 W2 = (TkinScaled - E1) * W; <<
254 sigma = ((*(*fEnergyDistrTable)(iPla <<
255 (*(*fEnergyDistrTable)(iPla <<
256 chargeSq; <<
257 } <<
258 if(sigma < DBL_MIN) <<
259 lambda = DBL_MAX; <<
260 else <<
261 lambda = 1. / sigma; <<
262 fLambda = lambda; <<
263 fGamma = gamma; <<
264 if(verboseLevel > 1) <<
265 { <<
266 G4cout << " lambda = " << lambda / m <<
267 } <<
268 } <<
269 } <<
270 } <<
271 return lambda; <<
272 } <<
273 151
274 ////////////////////////////////////////////// << 152 G4double
275 // Interface for build table from physics list << 153 G4VXTRenergyLoss::GetContinuousStepLimit(const G4Track& aTrack,
276 void G4VXTRenergyLoss::BuildPhysicsTable(const << 154 G4double ,
>> 155 G4double ,
>> 156 G4double& )
277 { 157 {
278 if(pd.GetPDGCharge() == 0.) << 158 G4double StepLimit = DBL_MAX;
279 { <<
280 G4Exception("G4VXTRenergyLoss::BuildPhysic <<
281 JustWarning, "XTR initialisati <<
282 } <<
283 BuildEnergyTable(); <<
284 159
285 if(fAngleRadDistr) << 160 return StepLimit;
286 { <<
287 if(verboseLevel > 0) <<
288 { <<
289 G4cout <<
290 << "Build angle for energy distributio <<
291 << G4endl; <<
292 } <<
293 BuildAngleForEnergyBank(); <<
294 } <<
295 } 161 }
296 162
297 ////////////////////////////////////////////// 163 //////////////////////////////////////////////////////////////////////////
>> 164 //
298 // Build integral energy distribution of XTR p 165 // Build integral energy distribution of XTR photons
299 void G4VXTRenergyLoss::BuildEnergyTable() <<
300 { <<
301 G4int iTkin, iTR, iPlace; <<
302 G4double radiatorCof = 1.0; // for tuning o <<
303 G4double energySum = 0.0; <<
304 <<
305 fEnergyDistrTable = new G4PhysicsTable(fTotB <<
306 if(fAngleRadDistr) <<
307 fAngleDistrTable = new G4PhysicsTable(fTot <<
308 <<
309 fGammaTkinCut = 0.0; <<
310 <<
311 // setting of min/max TR energies <<
312 if(fGammaTkinCut > fTheMinEnergyTR) <<
313 fMinEnergyTR = fGammaTkinCut; <<
314 else <<
315 fMinEnergyTR = fTheMinEnergyTR; <<
316 166
317 if(fGammaTkinCut > fTheMaxEnergyTR) << 167 void G4VXTRenergyLoss::BuildTable()
318 fMaxEnergyTR = 2.0 * fGammaTkinCut; << 168 {
319 else << 169 G4int iTkin, iTR, iPlace ;
320 fMaxEnergyTR = fTheMaxEnergyTR; << 170 G4double radiatorCof = 1.0 ; // for tuning of XTR yield
321 171
322 G4Integrator<G4VXTRenergyLoss, G4double (G4V << 172 fEnergyDistrTable = new G4PhysicsTable(fTotBin) ;
323 integral; <<
324 173
325 G4cout.precision(4); << 174 fGammaTkinCut = 0.0 ;
326 G4Timer timer; << 175
327 timer.Start(); << 176 // setting of min/max TR energies
>> 177
>> 178 if(fGammaTkinCut > fTheMinEnergyTR) fMinEnergyTR = fGammaTkinCut ;
>> 179 else fMinEnergyTR = fTheMinEnergyTR ;
>> 180
>> 181 if(fGammaTkinCut > fTheMaxEnergyTR) fMaxEnergyTR = 2.0*fGammaTkinCut ;
>> 182 else fMaxEnergyTR = fTheMaxEnergyTR ;
328 183
329 if(verboseLevel > 0) << 184 G4cout.precision(4) ;
330 { << 185 G4Timer timer ;
331 G4cout << G4endl; << 186 timer.Start() ;
332 G4cout << "Lorentz Factor" << 187
333 << "\t" << 188 for( iTkin = 0 ; iTkin < fTotBin ; iTkin++ ) // Lorentz factor loop
334 << "XTR photon number" << G4endl; <<
335 G4cout << G4endl; <<
336 } <<
337 for(iTkin = 0; iTkin < fTotBin; ++iTkin) // <<
338 { 189 {
339 auto energyVector = << 190 G4PhysicsLogVector* energyVector = new G4PhysicsLogVector( fMinEnergyTR,
340 new G4PhysicsLogVector(fMinEnergyTR, fMa << 191 fMaxEnergyTR,
341 << 192 fBinTR ) ;
342 fGamma = <<
343 1.0 + (fProtonEnergyVector->GetLowEdgeEn <<
344 193
345 // if(fMaxThetaTR > fTheMaxAngle) fMax << 194 fGamma = 1.0 + (fProtonEnergyVector->
346 // else if(fMaxThetaTR < fTheMinAngle) << 195 GetLowEdgeEnergy(iTkin)/proton_mass_c2) ;
347 196
348 energySum = 0.0; << 197 fMaxThetaTR = 25.0/(fGamma*fGamma) ; // theta^2
349 198
350 energyVector->PutValue(fBinTR - 1, energyS << 199 fTheMinAngle = 1.0e-6 ; // was 5.e-6, e-5, e-4
351 << 200
352 for(iTR = fBinTR - 2; iTR >= 0; --iTR) << 201 if( fMaxThetaTR > fTheMaxAngle ) fMaxThetaTR = fTheMaxAngle ;
353 { << 202 else
354 // Legendre96 or Legendre10 << 203 {
355 << 204 if( fMaxThetaTR < fTheMinAngle ) fMaxThetaTR = fTheMinAngle ;
356 energySum += radiatorCof * fCofTR * << 205 }
357 << 206
358 // integral.Legendre10(this, &G4VXTRenergyLo << 207 G4PhysicsLinearVector* angleVector = new G4PhysicsLinearVector( 0.0,
359 << 208 fMaxThetaTR,
360 integral.Legendre96(this, & << 209 fBinTR ) ;
361 << 210
362 energyV << 211 G4double energySum = 0.0 ;
363 energyV << 212 G4double angleSum = 0.0 ;
364 << 213 G4Integrator<G4VXTRenergyLoss,G4double(G4VXTRenergyLoss::*)(G4double)> integral ;
365 energyVector->PutValue(iTR, energySum / << 214 energyVector->PutValue(fBinTR-1,energySum) ;
366 } << 215 angleVector->PutValue(fBinTR-1,angleSum) ;
367 iPlace = iTkin; << 216
368 fEnergyDistrTable->insertAt(iPlace, energy << 217 for( iTR = fBinTR - 2 ; iTR >= 0 ; iTR-- )
369 << 218 {
370 if(verboseLevel > 0) << 219 energySum += radiatorCof*fCofTR*integral.Legendre10(
371 { << 220 this,&G4VXTRenergyLoss::SpectralXTRdEdx,
372 G4cout << fGamma << "\t" << energySum << << 221 energyVector->GetLowEdgeEnergy(iTR),
373 } << 222 energyVector->GetLowEdgeEnergy(iTR+1) ) ;
374 } << 223
375 timer.Stop(); << 224 // angleSum += fCofTR*integral.Legendre96(
376 G4cout.precision(6); << 225 // this,&G4VXTRenergyLoss::AngleXTRdEdx,
377 if(verboseLevel > 0) << 226 // angleVector->GetLowEdgeEnergy(iTR),
378 { << 227 // angleVector->GetLowEdgeEnergy(iTR+1) ) ;
379 G4cout << G4endl; << 228
380 G4cout << "total time for build X-ray TR e << 229 energyVector->PutValue(iTR,energySum/fTotalDist) ;
381 << timer.GetUserElapsed() << " s" < << 230 // angleVector ->PutValue(iTR,angleSum) ;
382 } << 231 }
383 fGamma = 0.; << 232 G4cout<<iTkin<<"\t"
384 return; << 233 <<"fGamma = "<<fGamma<<"\t" // <<" fMaxThetaTR = "<<fMaxThetaTR
>> 234 <<"sumE = "<<energySum // <<" ; sumA = "<<angleSum
>> 235 <<G4endl ;
>> 236 iPlace = iTkin ;
>> 237 fEnergyDistrTable->insertAt(iPlace,energyVector) ;
>> 238 // fAngleDistrTable->insertAt(iPlace,angleVector) ;
>> 239 }
>> 240 timer.Stop() ;
>> 241 G4cout.precision(6) ;
>> 242 G4cout<<G4endl ;
>> 243 G4cout<<"total time for build X-ray TR energy loss tables = "
>> 244 <<timer.GetUserElapsed()<<" s"<<G4endl ;
>> 245 return ;
385 } 246 }
386 247
387 ////////////////////////////////////////////// 248 //////////////////////////////////////////////////////////////////////////
388 // Bank of angle distributions for given energ << 249 //
>> 250 //
389 251
390 void G4VXTRenergyLoss::BuildAngleForEnergyBank << 252 void G4VXTRenergyLoss::BuildEnergyTable()
391 { 253 {
392 << 254 return ;
393 if( ( this->GetProcessName() == "TranspRegXT <<
394 this->GetProcessName() == "TranspRegXT <<
395 this->GetProcessName() == "RegularXTRa <<
396 this->GetProcessName() == "RegularXTRmodel" <<
397 { <<
398 BuildAngleTable(); // by sum of delta-func <<
399 return; <<
400 } <<
401 G4int i, iTkin, iTR; <<
402 G4double angleSum = 0.0; <<
403 <<
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 <<
412 if(fGammaTkinCut > fTheMaxEnergyTR) <<
413 fMaxEnergyTR = 2.0 * fGammaTkinCut; <<
414 else <<
415 fMaxEnergyTR = fTheMaxEnergyTR; <<
416 <<
417 auto energyVector = <<
418 new G4PhysicsLogVector(fMinEnergyTR, fMaxE <<
419 <<
420 G4Integrator<G4VXTRenergyLoss, G4double (G4V <<
421 integral; <<
422 <<
423 G4cout.precision(4); <<
424 G4Timer timer; <<
425 timer.Start(); <<
426 <<
427 for(iTkin = 0; iTkin < fTotBin; ++iTkin) // <<
428 { <<
429 fGamma = <<
430 1.0 + (fProtonEnergyVector->GetLowEdgeEn <<
431 <<
432 if(fMaxThetaTR > fTheMaxAngle) <<
433 fMaxThetaTR = fTheMaxAngle; <<
434 else if(fMaxThetaTR < fTheMinAngle) <<
435 fMaxThetaTR = fTheMinAngle; <<
436 <<
437 fAngleForEnergyTable = new G4PhysicsTable( <<
438 <<
439 for(iTR = 0; iTR < fBinTR; ++iTR) <<
440 { <<
441 angleSum = 0.0; <<
442 fEnergy = energyVector->GetLowEdgeEnerg <<
443 <<
444 // log-vector to increase number of thin <<
445 auto angleVector = new G4PhysicsLogVecto <<
446 <<
447 <<
448 <<
449 angleVector->PutValue(fBinTR - 1, angleS <<
450 <<
451 for(i = fBinTR - 2; i >= 0; --i) <<
452 { <<
453 // Legendre96 or Legendre10 <<
454 <<
455 angleSum += <<
456 integral.Legendre10(this, &G4VXTRene <<
457 angleVector->Get <<
458 angleVector->Get <<
459 <<
460 angleVector->PutValue(i, angleSum); <<
461 } <<
462 fAngleForEnergyTable->insertAt(iTR, angl <<
463 } <<
464 fAngleBank.push_back(fAngleForEnergyTable) <<
465 } <<
466 timer.Stop(); <<
467 G4cout.precision(6); <<
468 if(verboseLevel > 0) <<
469 { <<
470 G4cout << G4endl; <<
471 G4cout << "total time for build X-ray TR a <<
472 << timer.GetUserElapsed() << " s" < <<
473 } <<
474 fGamma = 0.; <<
475 delete energyVector; <<
476 } 255 }
477 256
478 ////////////////////////////////////////////// 257 ////////////////////////////////////////////////////////////////////////
479 // Build XTR angular distribution at given ene << 258 //
480 // of transparent regular radiator << 259 //
>> 260
481 void G4VXTRenergyLoss::BuildAngleTable() 261 void G4VXTRenergyLoss::BuildAngleTable()
482 { 262 {
483 G4int iTkin, iTR; << 263 return ;
484 G4double energy; << 264 }
485 265
486 fGammaTkinCut = 0.0; <<
487 266
488 // setting of min/max TR energies << 267 //////////////////////////////////////////////////////////////////////////////
489 if(fGammaTkinCut > fTheMinEnergyTR) << 268 //
490 fMinEnergyTR = fGammaTkinCut; << 269 // The main function which is responsible for the treatment of a particle passage
491 else << 270 // trough G4Envelope
492 fMinEnergyTR = fTheMinEnergyTR; <<
493 <<
494 if(fGammaTkinCut > fTheMaxEnergyTR) <<
495 fMaxEnergyTR = 2.0 * fGammaTkinCut; <<
496 else <<
497 fMaxEnergyTR = fTheMaxEnergyTR; <<
498 <<
499 G4cout.precision(4); <<
500 G4Timer timer; <<
501 timer.Start(); <<
502 if(verboseLevel > 0) <<
503 { <<
504 G4cout << G4endl << "Lorentz Factor" << "\ <<
505 << "XTR photon number" << G4endl << <<
506 } <<
507 for(iTkin = 0; iTkin < fTotBin; ++iTkin) // <<
508 { <<
509 fGamma = <<
510 1.0 + (fProtonEnergyVector->GetLowEdgeEn <<
511 <<
512 // fMaxThetaTR = 25. * 2500.0 / (fGamma * <<
513 <<
514 if(fMaxThetaTR > fTheMaxAngle) <<
515 fMaxThetaTR = fTheMaxAngle; <<
516 else <<
517 { <<
518 if(fMaxThetaTR < fTheMinAngle) <<
519 fMaxThetaTR = fTheMinAngle; <<
520 } <<
521 <<
522 fAngleForEnergyTable = new G4PhysicsTable( <<
523 <<
524 for(iTR = 0; iTR < fBinTR; ++iTR) <<
525 { <<
526 energy = fXTREnergyVector->GetLowEdgeEne <<
527 <<
528 G4PhysicsFreeVector* angleVector = GetAn <<
529 <<
530 fAngleForEnergyTable->insertAt(iTR, angl <<
531 } <<
532 fAngleBank.push_back(fAngleForEnergyTable) <<
533 } <<
534 timer.Stop(); <<
535 G4cout.precision(6); <<
536 if(verboseLevel > 0) <<
537 { <<
538 G4cout << G4endl; <<
539 G4cout << "total time for build XTR angle <<
540 << timer.GetUserElapsed() << " s" < <<
541 } <<
542 fGamma = 0.; <<
543 <<
544 return; <<
545 } <<
546 271
547 ////////////////////////////////////////////// << 272 G4VParticleChange* G4VXTRenergyLoss::AlongStepDoIt( const G4Track& aTrack,
548 // Vector of angles and angle integral distrib << 273 const G4Step& aStep )
549 G4PhysicsFreeVector* G4VXTRenergyLoss::GetAngl <<
550 { 274 {
551 G4double theta = 0., result, tmp = 0., cof1, << 275 G4int iTkin, iPlace, numOfTR, iTR ;
552 angleSum = 0.; << 276 G4double energyTR, meanNumOfTR, theta, phi, dirX, dirY, dirZ, rand ;
553 G4int iTheta, k, kMin; << 277 G4double W, W1, W2, E1, E2 ;
554 278
555 auto angleVector = new G4PhysicsFreeVector(n << 279 aParticleChange.Initialize(aTrack);
556 280
557 cofPHC = 4. * pi * hbarc; << 281 if(verboseLevel)
558 tmp = (fSigma1 - fSigma2) / cofPHC / ener <<
559 cof1 = fPlateThick * tmp; <<
560 cof2 = fGasThick * tmp; <<
561 <<
562 cofMin = energy * (fPlateThick + fGasThick) <<
563 cofMin += (fPlateThick * fSigma1 + fGasThick <<
564 cofMin /= cofPHC; <<
565 <<
566 kMin = G4int(cofMin); <<
567 if(cofMin > kMin) <<
568 kMin++; <<
569 <<
570 if(verboseLevel > 2) <<
571 { 282 {
572 G4cout << "n-1 = " << n - 1 << 283 G4cout<<"Start of G4VXTRenergyLoss::AlongStepDoIt "<<G4endl ;
573 << "; theta = " << std::sqrt(fMaxTh << 284 G4cout<<"name of current material = "
574 << "; tmp = " << 0. << "; angleS << 285 <<aTrack.GetVolume()->GetLogicalVolume()->GetMaterial()->GetName()<<G4endl ;
575 } 286 }
>> 287 // if(aStep.GetPreStepPoint()->GetPhysicalVolume()->GetLogicalVolume() != fEnvelope)
576 288
577 for(iTheta = n - 1; iTheta >= 1; --iTheta) << 289 if( aTrack.GetVolume()->GetLogicalVolume() != fEnvelope )
578 { 290 {
579 k = iTheta - 1 + kMin; << 291 if(verboseLevel)
580 tmp = pi * fPlateThick * (k + cof2) / ( <<
581 result = (k - cof1) * (k - cof1) * (k + co <<
582 tmp = std::sin(tmp) * std::sin(tmp) * s <<
583 <<
584 if(k == kMin && kMin == G4int(cofMin)) <<
585 { <<
586 // angleSum += 0.5 * tmp; <<
587 angleSum += tmp; // ATLAS TB <<
588 } <<
589 else if(iTheta == n - 1) <<
590 ; <<
591 else <<
592 { 292 {
593 angleSum += tmp; << 293 G4cout<<"Go out from G4VXTRenergyLoss::AlongStepDoIt: wrong volume "<<G4endl;
594 } 294 }
595 theta = std::abs(k - cofMin) * cofPHC / en << 295 return G4VContinuousProcess::AlongStepDoIt(aTrack, aStep);
596 <<
597 if(verboseLevel > 2) <<
598 { <<
599 G4cout << "iTheta = " << iTheta << "; k <<
600 << "; theta = " << std::sqrt(thet <<
601 << "; angleSum = " << angleSum <<
602 } <<
603 angleVector->PutValue(iTheta, theta, angle <<
604 } 296 }
605 if(theta > 0.) << 297 G4StepPoint* pPreStepPoint = aStep.GetPreStepPoint();
606 { << 298 G4StepPoint* pPostStepPoint = aStep.GetPostStepPoint();
607 // angleSum += 0.5 * tmp; << 299
608 angleSum += 0.; // ATLAS TB << 300 const G4DynamicParticle* aParticle = aTrack.GetDynamicParticle();
609 theta = 0.; << 301 G4double charge = aParticle->GetDefinition()->GetPDGCharge();
610 } << 302
611 if(verboseLevel > 2) << 303
612 { << 304 // Now we are ready to Generate TR photons
613 G4cout << "iTheta = " << iTheta << "; thet <<
614 << "; tmp = " << tmp << "; angle <<
615 } <<
616 angleVector->PutValue(iTheta, theta, angleSu <<
617 <<
618 return angleVector; <<
619 } <<
620 <<
621 ////////////////////////////////////////////// <<
622 // Build XTR angular distribution based on the <<
623 // radiator <<
624 void G4VXTRenergyLoss::BuildGlobalAngleTable() <<
625 { <<
626 G4int iTkin, iTR, iPlace; <<
627 G4double radiatorCof = 1.0; // for tuning o <<
628 G4double angleSum; <<
629 fAngleDistrTable = new G4PhysicsTable(fTotBi <<
630 <<
631 fGammaTkinCut = 0.0; <<
632 <<
633 // setting of min/max TR energies <<
634 if(fGammaTkinCut > fTheMinEnergyTR) <<
635 fMinEnergyTR = fGammaTkinCut; <<
636 else <<
637 fMinEnergyTR = fTheMinEnergyTR; <<
638 305
639 if(fGammaTkinCut > fTheMaxEnergyTR) << 306 G4double chargeSq = charge*charge ;
640 fMaxEnergyTR = 2.0 * fGammaTkinCut; << 307 G4double kinEnergy = aParticle->GetKineticEnergy() ;
641 else << 308 G4double mass = aParticle->GetDefinition()->GetPDGMass() ;
642 fMaxEnergyTR = fTheMaxEnergyTR; << 309 G4double gamma = 1.0 + kinEnergy/mass ;
643 310
644 G4cout.precision(4); << 311 if(verboseLevel > 0 )
645 G4Timer timer; <<
646 timer.Start(); <<
647 if(verboseLevel > 0) <<
648 { 312 {
649 G4cout << G4endl; << 313 G4cout<<"gamma = "<<gamma<<G4endl ;
650 G4cout << "Lorentz Factor" <<
651 << "\t" <<
652 << "XTR photon number" << G4endl; <<
653 G4cout << G4endl; <<
654 } 314 }
655 for(iTkin = 0; iTkin < fTotBin; ++iTkin) // << 315 G4double massRatio = proton_mass_c2/mass ;
656 { << 316 G4double TkinScaled = kinEnergy*massRatio ;
657 fGamma = <<
658 1.0 + (fProtonEnergyVector->GetLowEdgeEn <<
659 <<
660 // fMaxThetaTR = 25.0 / (fGamma * fGamma); <<
661 // fMaxThetaTR = 1.e-4; // theta^2 <<
662 317
663 if(fMaxThetaTR > fTheMaxAngle) << 318 G4ThreeVector startPos = pPreStepPoint->GetPosition();
664 fMaxThetaTR = fTheMaxAngle; << 319 G4double startTime = pPreStepPoint->GetGlobalTime();
665 else <<
666 { <<
667 if(fMaxThetaTR < fTheMinAngle) <<
668 fMaxThetaTR = fTheMinAngle; <<
669 } <<
670 auto angleVector = <<
671 // G4PhysicsLogVector* angleVector = <<
672 new G4PhysicsLinearVector(0.0, fMaxTheta <<
673 // new G4PhysicsLogVector(1.e-8, fMaxThet <<
674 320
675 angleSum = 0.0; << 321 G4ParticleMomentum direction = aParticle->GetMomentumDirection();
676 322
677 G4Integrator<G4VXTRenergyLoss, G4double (G << 323 G4double distance = aStep.GetStepLength() ;
678 integral; <<
679 324
680 angleVector->PutValue(fBinTR - 1, angleSum <<
681 325
682 for(iTR = fBinTR - 2; iTR >= 0; --iTR) << 326 for(iTkin=0;iTkin<fTotBin;iTkin++)
683 { <<
684 angleSum += radiatorCof * fCofTR * <<
685 integral.Legendre96(this, &G <<
686 angleVec <<
687 angleVec <<
688 <<
689 angleVector->PutValue(iTR, angleSum); <<
690 } <<
691 if(verboseLevel > 1) <<
692 { <<
693 G4cout << fGamma << "\t" << angleSum << <<
694 } <<
695 iPlace = iTkin; <<
696 fAngleDistrTable->insertAt(iPlace, angleVe <<
697 } <<
698 timer.Stop(); <<
699 G4cout.precision(6); <<
700 if(verboseLevel > 0) <<
701 { 327 {
702 G4cout << G4endl; << 328 if(TkinScaled < fProtonEnergyVector->GetLowEdgeEnergy(iTkin)) break ;
703 G4cout << "total time for build X-ray TR a <<
704 << timer.GetUserElapsed() << " s" < <<
705 } 329 }
706 fGamma = 0.; << 330 iPlace = iTkin - 1 ;
707 <<
708 return; <<
709 } <<
710 331
711 ////////////////////////////////////////////// << 332 if(iTkin == 0) // Tkin is too small, neglect of TR photon generation
712 // The main function which is responsible for <<
713 // passage through G4Envelope with discrete ge <<
714 G4VParticleChange* G4VXTRenergyLoss::PostStepD <<
715 <<
716 { <<
717 G4int iTkin; <<
718 G4double energyTR, theta, theta2, phi, dirX, <<
719 <<
720 fParticleChange.Initialize(aTrack); <<
721 <<
722 if(verboseLevel > 1) <<
723 { <<
724 G4cout << "Start of G4VXTRenergyLoss::Post <<
725 G4cout << "name of current material = " <<
726 << aTrack.GetVolume()->GetLogicalVo <<
727 << G4endl; <<
728 } <<
729 if(aTrack.GetVolume()->GetLogicalVolume() != <<
730 { 333 {
731 if(verboseLevel > 0) << 334 if(verboseLevel)
732 { 335 {
733 G4cout << "Go out from G4VXTRenergyLoss: << 336 G4cout<<"Go out from G4VXTRenergyLoss::AlongStepDoIt:iTkin = "<<iTkin<<G4endl;
734 << G4endl; <<
735 } 337 }
736 return G4VDiscreteProcess::PostStepDoIt(aT << 338 return G4VContinuousProcess::AlongStepDoIt(aTrack, aStep);
737 } << 339 }
738 else << 340 else // general case: Tkin between two vectors of the material
739 { 341 {
740 G4StepPoint* pPostStepPoint = aStep << 342 if(iTkin == fTotBin)
741 const G4DynamicParticle* aParticle = aTrac <<
742 <<
743 // Now we are ready to Generate one TR pho <<
744 G4double kinEnergy = aParticle->GetKinetic <<
745 G4double mass = aParticle->GetDefinit <<
746 G4double gamma = 1.0 + kinEnergy / mas <<
747 <<
748 if(verboseLevel > 1) <<
749 { 343 {
750 G4cout << "gamma = " << gamma << G4endl; << 344 meanNumOfTR = (*(*fEnergyDistrTable)(iPlace))(0)*chargeSq*distance ;
>> 345 numOfTR = G4Poisson(meanNumOfTR) ;
751 } 346 }
752 G4double massRatio = proton_mass << 347 else
753 G4double TkinScaled = kinEnergy * <<
754 G4ThreeVector position = pPostStepPo <<
755 G4ParticleMomentum direction = aParticle-> <<
756 G4double startTime = pPostStepPo <<
757 <<
758 for(iTkin = 0; iTkin < fTotBin; ++iTkin) <<
759 { 348 {
760 if(TkinScaled < fProtonEnergyVector->Get << 349 E1 = fProtonEnergyVector->GetLowEdgeEnergy(iTkin - 1) ;
761 break; << 350 E2 = fProtonEnergyVector->GetLowEdgeEnergy(iTkin) ;
>> 351 W = 1.0/(E2 - E1) ;
>> 352 W1 = (E2 - TkinScaled)*W ;
>> 353 W2 = (TkinScaled - E1)*W ;
>> 354 meanNumOfTR = ( (*(*fEnergyDistrTable)(iPlace ))(0)*W1+
>> 355 (*(*fEnergyDistrTable)(iPlace+1))(0)*W2 )*chargeSq*distance ;
>> 356
>> 357 if(verboseLevel > 0 )
>> 358 {
>> 359 G4cout<<iTkin<<" mean TR number = "<<meanNumOfTR
>> 360 <<" or mean over energy-angle tables "
>> 361 <<(((*(*fEnergyDistrTable)(iPlace))(0)+
>> 362 (*(*fAngleDistrTable)(iPlace))(0))*W1 +
>> 363 ((*(*fEnergyDistrTable)(iPlace + 1))(0)+
>> 364 (*(*fAngleDistrTable)(iPlace + 1))(0))*W2)*chargeSq*0.5
>> 365 <<G4endl ;
>> 366 }
>> 367 numOfTR = G4Poisson( meanNumOfTR ) ;
762 } 368 }
763 << 369 if( numOfTR == 0 ) // no change, return
764 if(iTkin == 0) // Tkin is too small, negl <<
765 { 370 {
766 if(verboseLevel > 0) << 371 aParticleChange.SetNumberOfSecondaries(0);
>> 372 if(verboseLevel)
767 { 373 {
768 G4cout << "Go out from G4VXTRenergyLos << 374 G4cout<<"Go out from G4VXTRenergyLoss::AlongStepDoIt: numOfTR = "
769 << G4endl; << 375 <<numOfTR<<G4endl ;
770 } 376 }
771 return G4VDiscreteProcess::PostStepDoIt( << 377 return G4VContinuousProcess::AlongStepDoIt(aTrack, aStep);
772 } 378 }
773 else // general case: Tkin between two ve << 379 else
774 { 380 {
775 fParticleChange.SetNumberOfSecondaries(1 << 381 if(verboseLevel)
>> 382 {
>> 383 G4cout<<"Number of X-ray TR photons = "<<numOfTR<<G4endl ;
>> 384 }
>> 385 aParticleChange.SetNumberOfSecondaries(numOfTR);
776 386
777 energyTR = GetXTRrandomEnergy(TkinScaled << 387 G4double sumEnergyTR = 0.0 ;
778 388
779 if(verboseLevel > 1) << 389 for(iTR=0;iTR<numOfTR;iTR++)
780 { 390 {
781 G4cout << "energyTR = " << energyTR / << 391
782 } << 392 // energyPos = ((*(*fEnergyDistrTable)(iPlace))(0)*W1+
783 if(fAngleRadDistr) << 393 // (*(*fEnergyDistrTable)(iPlace + 1))(0)*W2)*G4UniformRand() ;
>> 394 // for(iTransfer=0;iTransfer<fBinTR-1;iTransfer++)
>> 395 // {
>> 396 // if(energyPos >= ((*(*fEnergyDistrTable)(iPlace))(iTransfer)*W1+
>> 397 // (*(*fEnergyDistrTable)(iPlace + 1))(iTransfer)*W2)) break ;
>> 398 // }
>> 399 // energyTR = ((*fEnergyDistrTable)(iPlace)->GetLowEdgeEnergy(iTransfer))*W1+
>> 400 // ((*fEnergyDistrTable)(iPlace + 1)->GetLowEdgeEnergy(iTransfer))*W2 ;
>> 401
>> 402 energyTR = GetXTRrandomEnergy(TkinScaled,iTkin) ;
>> 403
>> 404 if(verboseLevel)
784 { 405 {
785 theta2 = GetRandomAngle(energyTR, iTki << 406 G4cout<<"energyTR = "<<energyTR/keV<<"keV"<<G4endl ;
786 if(theta2 > 0.) <<
787 theta = std::sqrt(theta2); <<
788 else <<
789 theta = 0.; <<
790 } 407 }
791 else << 408 sumEnergyTR += energyTR ;
792 theta = std::fabs(G4RandGauss::shoot(0 <<
793 409
794 if(theta >= 0.1) << 410 theta = abs(G4RandGauss::shoot(0.0,pi/gamma)) ;
795 theta = 0.1; <<
796 411
797 phi = twopi * G4UniformRand(); << 412 if( theta >= 0.1 ) theta = 0.1 ;
798 413
799 dirX = std::sin(theta) * std::cos(phi); << 414 // G4cout<<" : theta = "<<theta<<endl ;
800 dirY = std::sin(theta) * std::sin(phi); <<
801 dirZ = std::cos(theta); <<
802 415
803 G4ThreeVector directionTR(dirX, dirY, di << 416 phi = twopi*G4UniformRand() ;
804 directionTR.rotateUz(direction); <<
805 directionTR.unit(); <<
806 417
807 auto aPhotonTR = << 418 dirX = sin(theta)*cos(phi) ;
808 new G4DynamicParticle(G4Gamma::Gamma() << 419 dirY = sin(theta)*sin(phi) ;
>> 420 dirZ = cos(theta) ;
809 421
810 // A XTR photon is set on the particle t << 422 G4ThreeVector directionTR(dirX,dirY,dirZ) ;
811 // and is moved to the G4Envelope surfac << 423 directionTR.rotateUz(direction) ;
812 // only. The case of fExitFlux=true << 424 directionTR.unit() ;
813 425
814 if(fExitFlux) << 426 G4DynamicParticle* aPhotonTR = new G4DynamicParticle(G4Gamma::Gamma(),
815 { << 427 directionTR,energyTR) ;
816 const G4RotationMatrix* rotM = << 428
817 pPostStepPoint->GetTouchable()->GetR << 429 // A XTR photon is set along the particle track and is not moved to
818 G4ThreeVector transl = pPostStepPoint- << 430 // the G4Envelope surface as in standard X-ray TR models
819 G4AffineTransform transform = G4Affine <<
820 transform.Invert(); <<
821 G4ThreeVector localP = transform.Trans <<
822 G4ThreeVector localV = transform.Trans <<
823 <<
824 G4double distance = <<
825 fEnvelope->GetSolid()->DistanceToOut <<
826 if(verboseLevel > 1) <<
827 { <<
828 G4cout << "distance to exit = " << d <<
829 } <<
830 position += distance * directionTR; <<
831 startTime += distance / c_light; <<
832 } <<
833 G4Track* aSecondaryTrack = new G4Track(a <<
834 aSecondaryTrack->SetTouchableHandle( <<
835 aStep.GetPostStepPoint()->GetTouchable <<
836 aSecondaryTrack->SetParentID(aTrack.GetT <<
837 431
838 fParticleChange.AddSecondary(aSecondaryT << 432 rand = G4UniformRand();
839 fParticleChange.ProposeEnergy(kinEnergy) << 433 G4double delta = rand*distance ;
>> 434 G4double deltaTime = delta /
>> 435 ((pPreStepPoint->GetVelocity()+
>> 436 pPostStepPoint->GetVelocity())/2.);
>> 437
>> 438 G4double aSecondaryTime = startTime + deltaTime;
>> 439
>> 440 G4ThreeVector positionTR = startPos + delta*direction ;
>> 441
>> 442
>> 443 G4Track* aSecondaryTrack = new G4Track( aPhotonTR,
>> 444 aSecondaryTime,positionTR ) ;
>> 445 aSecondaryTrack->SetTouchableHandle(aStep.GetPostStepPoint()
>> 446 ->GetTouchableHandle());
>> 447 aSecondaryTrack->SetParentID(aTrack.GetTrackID());
>> 448
>> 449 aParticleChange.AddSecondary(aSecondaryTrack);
>> 450 }
>> 451 kinEnergy -= sumEnergyTR ;
>> 452 aParticleChange.SetEnergyChange(kinEnergy) ;
840 } 453 }
841 } 454 }
842 return G4VDiscreteProcess::PostStepDoIt(aTra << 455 // return G4VContinuousProcess::AlongStepDoIt(aTrack, aStep);
>> 456 return &aParticleChange;
843 } 457 }
844 458
845 ////////////////////////////////////////////// 459 ///////////////////////////////////////////////////////////////////////
>> 460 //
846 // This function returns the spectral and angl 461 // This function returns the spectral and angle density of TR quanta
847 // in X-ray energy region generated forward wh 462 // in X-ray energy region generated forward when a relativistic
848 // charged particle crosses interface between 463 // charged particle crosses interface between two materials.
849 // The high energy small theta approximation i 464 // The high energy small theta approximation is applied.
850 // (matter1 -> matter2, or 2->1) 465 // (matter1 -> matter2, or 2->1)
851 // varAngle =2* (1 - std::cos(theta)) or appro << 466 // varAngle =2* (1 - cos(theta)) or approximately = theta*theta
852 G4complex G4VXTRenergyLoss::OneInterfaceXTRdEd << 467 //
853 << 468
854 { << 469 G4complex G4VXTRenergyLoss::OneInterfaceXTRdEdx( G4double energy,
855 G4complex Z1 = GetPlateComplexFZ(energy, gam << 470 G4double gamma,
856 G4complex Z2 = GetGasComplexFZ(energy, gamma << 471 G4double varAngle )
>> 472 {
>> 473 G4complex Z1 = GetPlateComplexFZ(energy,gamma,varAngle) ;
>> 474 G4complex Z2 = GetGasComplexFZ(energy,gamma,varAngle) ;
>> 475
>> 476 G4complex zOut = (Z1 - Z2)*(Z1 - Z2)
>> 477 * (varAngle*energy/hbarc/hbarc) ;
>> 478 return zOut ;
857 479
858 G4complex zOut = (Z1 - Z2) * (Z1 - Z2) * (va <<
859 return zOut; <<
860 } 480 }
861 481
>> 482
862 ////////////////////////////////////////////// 483 //////////////////////////////////////////////////////////////////////////////
>> 484 //
863 // For photon energy distribution tables. Inte 485 // For photon energy distribution tables. Integrate first over angle
>> 486 //
>> 487
864 G4double G4VXTRenergyLoss::SpectralAngleXTRdEd 488 G4double G4VXTRenergyLoss::SpectralAngleXTRdEdx(G4double varAngle)
865 { 489 {
866 G4double result = GetStackFactor(fEnergy, fG << 490 G4double result = GetStackFactor(fEnergy,fGamma,varAngle) ;
867 if(result < 0.0) << 491 if(result < 0.0) result = 0.0 ;
868 result = 0.0; << 492 return result ;
869 return result; <<
870 } 493 }
871 494
872 ////////////////////////////////////////////// 495 /////////////////////////////////////////////////////////////////////////
>> 496 //
873 // For second integration over energy 497 // For second integration over energy
>> 498
874 G4double G4VXTRenergyLoss::SpectralXTRdEdx(G4d 499 G4double G4VXTRenergyLoss::SpectralXTRdEdx(G4double energy)
875 { 500 {
876 G4int i; << 501 fEnergy = energy ;
877 static constexpr G4int iMax = 8; << 502 G4Integrator<G4VXTRenergyLoss,G4double(G4VXTRenergyLoss::*)(G4double)> integral ;
878 G4double angleSum = 0.0; << 503 return integral.Legendre96(this,&G4VXTRenergyLoss::SpectralAngleXTRdEdx,
879 << 504 0.0,0.3*fMaxThetaTR) +
880 G4double lim[iMax] = { 0.0, 0.01, 0.02, 0.05 << 505 integral.Legendre96(this,&G4VXTRenergyLoss::SpectralAngleXTRdEdx,
881 << 506 0.3*fMaxThetaTR,fMaxThetaTR) ;
882 for(i = 0; i < iMax; ++i) << 507 }
883 lim[i] *= fMaxThetaTR; << 508
884 <<
885 G4Integrator<G4VXTRenergyLoss, G4double (G4V <<
886 integral; <<
887 <<
888 fEnergy = energy; <<
889 { <<
890 for(i = 0; i < iMax - 1; ++i) <<
891 { <<
892 angleSum += integral.Legendre96( <<
893 this, &G4VXTRenergyLoss::SpectralAngle <<
894 } <<
895 } <<
896 return angleSum; <<
897 } <<
898 <<
899 ////////////////////////////////////////////// 509 //////////////////////////////////////////////////////////////////////////
>> 510 //
900 // for photon angle distribution tables 511 // for photon angle distribution tables
>> 512 //
>> 513
901 G4double G4VXTRenergyLoss::AngleSpectralXTRdEd 514 G4double G4VXTRenergyLoss::AngleSpectralXTRdEdx(G4double energy)
902 { 515 {
903 G4double result = GetStackFactor(energy, fGa << 516 G4double result = GetStackFactor(energy,fGamma,fVarAngle) ;
904 if(result < 0) << 517 if(result < 0) result = 0.0 ;
905 result = 0.0; << 518 return result ;
906 return result; << 519 }
907 } <<
908 520
909 ////////////////////////////////////////////// 521 ///////////////////////////////////////////////////////////////////////////
910 // The XTR angular distribution based on trans << 522 //
911 G4double G4VXTRenergyLoss::AngleXTRdEdx(G4doub << 523 //
>> 524
>> 525 G4double G4VXTRenergyLoss::AngleXTRdEdx(G4double varAngle)
912 { 526 {
913 G4double result; << 527 fVarAngle = varAngle ;
914 G4double sum = 0., tmp1, tmp2, tmp = 0., cof << 528 G4Integrator<G4VXTRenergyLoss,G4double(G4VXTRenergyLoss::*)(G4double)> integral ;
915 energy2; << 529 return integral.Legendre10(this,&G4VXTRenergyLoss::AngleSpectralXTRdEdx,
916 G4int k, kMax, kMin, i; << 530 fMinEnergyTR,fMaxEnergyTR) ;
>> 531 }
>> 532
>> 533
>> 534
>> 535
917 536
918 cofPHC = twopi * hbarc; <<
919 537
920 cof1 = (fPlateThick + fGasThick) * (1. / fGa <<
921 cof2 = fPlateThick * fSigma1 + fGasThick * f <<
922 538
923 cofMin = std::sqrt(cof1 * cof2); <<
924 cofMin /= cofPHC; <<
925 539
926 kMin = G4int(cofMin); <<
927 if(cofMin > kMin) <<
928 kMin++; <<
929 540
930 kMax = kMin + 9; <<
931 541
932 for(k = kMin; k <= kMax; ++k) <<
933 { <<
934 tmp1 = cofPHC * k; <<
935 tmp2 = std::sqrt(tmp1 * tmp1 - cof1 * c <<
936 energy1 = (tmp1 + tmp2) / cof1; <<
937 energy2 = (tmp1 - tmp2) / cof1; <<
938 542
939 for(i = 0; i < 2; ++i) <<
940 { <<
941 if(i == 0) <<
942 { <<
943 if(energy1 > fTheMaxEnergyTR || energy <<
944 continue; <<
945 543
946 tmp1 = <<
947 (energy1 * energy1 * (1. / fGamma / <<
948 fPlateThick / (4 * hbarc * energy1); <<
949 tmp2 = std::sin(tmp1); <<
950 tmp = energy1 * tmp2 * tmp2; <<
951 tmp2 = fPlateThick / (4. * tmp1); <<
952 tmp1 = <<
953 hbarc * energy1 / <<
954 (energy1 * energy1 * (1. / fGamma / <<
955 tmp *= (tmp1 - tmp2) * (tmp1 - tmp2); <<
956 tmp1 = cof1 / (4. * hbarc) - cof2 / (4 <<
957 tmp2 = std::abs(tmp1); <<
958 <<
959 if(tmp2 > 0.) <<
960 tmp /= tmp2; <<
961 else <<
962 continue; <<
963 } <<
964 else <<
965 { <<
966 if(energy2 > fTheMaxEnergyTR || energy <<
967 continue; <<
968 544
969 tmp1 = <<
970 (energy2 * energy2 * (1. / fGamma / <<
971 fPlateThick / (4. * hbarc * energy2) <<
972 tmp2 = std::sin(tmp1); <<
973 tmp = energy2 * tmp2 * tmp2; <<
974 tmp2 = fPlateThick / (4. * tmp1); <<
975 tmp1 = <<
976 hbarc * energy2 / <<
977 (energy2 * energy2 * (1. / fGamma / <<
978 tmp *= (tmp1 - tmp2) * (tmp1 - tmp2); <<
979 tmp1 = cof1 / (4. * hbarc) - cof2 / (4 <<
980 tmp2 = std::abs(tmp1); <<
981 <<
982 if(tmp2 > 0.) <<
983 tmp /= tmp2; <<
984 else <<
985 continue; <<
986 } <<
987 sum += tmp; <<
988 } <<
989 } <<
990 result = 4. * pi * fPlateNumber * sum * varA <<
991 result /= hbarc * hbarc; <<
992 545
993 return result; <<
994 } <<
995 546
996 ////////////////////////////////////////////// 547 //////////////////////////////////////////////////////////////////////
>> 548 //////////////////////////////////////////////////////////////////////
>> 549 //////////////////////////////////////////////////////////////////////
>> 550 //
997 // Calculates formation zone for plates. Omega 551 // Calculates formation zone for plates. Omega is energy !!!
998 G4double G4VXTRenergyLoss::GetPlateFormationZo << 552
999 << 553 G4double G4VXTRenergyLoss::GetPlateFormationZone( G4double omega ,
1000 { << 554 G4double gamma ,
1001 G4double cof, lambda; << 555 G4double varAngle )
1002 lambda = 1.0 / gamma / gamma + varAngle + f << 556 {
1003 cof = 2.0 * hbarc / omega / lambda; << 557 G4double cof, lambda ;
1004 return cof; << 558 lambda = 1.0/gamma/gamma + varAngle + fSigma1/omega/omega ;
>> 559 cof = 2.0*hbarc/omega/lambda ;
>> 560 return cof ;
1005 } 561 }
1006 562
1007 ///////////////////////////////////////////// 563 //////////////////////////////////////////////////////////////////////
>> 564 //
1008 // Calculates complex formation zone for plat 565 // Calculates complex formation zone for plates. Omega is energy !!!
1009 G4complex G4VXTRenergyLoss::GetPlateComplexFZ << 566
1010 << 567 G4complex G4VXTRenergyLoss::GetPlateComplexFZ( G4double omega ,
>> 568 G4double gamma ,
>> 569 G4double varAngle )
1011 { 570 {
1012 G4double cof, length, delta, real_v, image_ << 571 G4double cof, length,delta, real, image ;
1013 572
1014 length = 0.5 * GetPlateFormationZone(omega, << 573 length = 0.5*GetPlateFormationZone(omega,gamma,varAngle) ;
1015 delta = length * GetPlateLinearPhotoAbs(om << 574 delta = length*GetPlateLinearPhotoAbs(omega) ;
1016 cof = 1.0 / (1.0 + delta * delta); << 575 cof = 1.0/(1.0 + delta*delta) ;
1017 576
1018 real_v = length * cof; << 577 real = length*cof ;
1019 image_v = real_v * delta; << 578 image = real*delta ;
1020 579
1021 G4complex zone(real_v, image_v); << 580 G4complex zone(real,image);
1022 return zone; << 581 return zone ;
1023 } 582 }
1024 583
1025 ///////////////////////////////////////////// 584 ////////////////////////////////////////////////////////////////////////
>> 585 //
1026 // Computes matrix of Sandia photo absorption 586 // Computes matrix of Sandia photo absorption cross section coefficients for
1027 // plate material 587 // plate material
1028 void G4VXTRenergyLoss::ComputePlatePhotoAbsCo <<
1029 { <<
1030 const G4MaterialTable* theMaterialTable = G <<
1031 const G4Material* mat = ( <<
1032 fPlatePhotoAbsCof = m <<
1033 588
1034 return; << 589 void G4VXTRenergyLoss::ComputePlatePhotoAbsCof()
>> 590 {
>> 591 G4int i, j, numberOfElements ;
>> 592 static const G4MaterialTable*
>> 593 theMaterialTable = G4Material::GetMaterialTable();
>> 594
>> 595 G4SandiaTable thisMaterialSandiaTable(fMatIndex1) ;
>> 596 numberOfElements = (*theMaterialTable)[fMatIndex1]->GetNumberOfElements() ;
>> 597 G4int* thisMaterialZ = new G4int[numberOfElements] ;
>> 598
>> 599 for(i=0;i<numberOfElements;i++)
>> 600 {
>> 601 thisMaterialZ[i] = (G4int)(*theMaterialTable)[fMatIndex1]->
>> 602 GetElement(i)->GetZ() ;
>> 603 }
>> 604 fPlateIntervalNumber = thisMaterialSandiaTable.SandiaIntervals
>> 605 (thisMaterialZ,numberOfElements) ;
>> 606
>> 607 fPlateIntervalNumber = thisMaterialSandiaTable.SandiaMixing
>> 608 ( thisMaterialZ ,
>> 609 (*theMaterialTable)[fMatIndex1]->GetFractionVector() ,
>> 610 numberOfElements,fPlateIntervalNumber) ;
>> 611
>> 612 fPlatePhotoAbsCof = new G4double*[fPlateIntervalNumber] ;
>> 613
>> 614 for(i=0;i<fPlateIntervalNumber;i++)
>> 615 {
>> 616 fPlatePhotoAbsCof[i] = new G4double[5] ;
>> 617 }
>> 618 for(i=0;i<fPlateIntervalNumber;i++)
>> 619 {
>> 620 fPlatePhotoAbsCof[i][0] = thisMaterialSandiaTable.
>> 621 GetPhotoAbsorpCof(i+1,0) ;
>> 622
>> 623 for(j=1;j<5;j++)
>> 624 {
>> 625 fPlatePhotoAbsCof[i][j] = thisMaterialSandiaTable.
>> 626 GetPhotoAbsorpCof(i+1,j)*
>> 627 (*theMaterialTable)[fMatIndex1]->GetDensity() ;
>> 628 }
>> 629 }
>> 630 delete[] thisMaterialZ ;
>> 631 return ;
1035 } 632 }
1036 633
1037 ///////////////////////////////////////////// 634 //////////////////////////////////////////////////////////////////////
1038 // Returns the value of linear photo absorpti << 635 //
>> 636 // Returns the value of linear photo absorption coefficient (in reciprocal
1039 // length) for plate for given energy of X-ra 637 // length) for plate for given energy of X-ray photon omega
1040 G4double G4VXTRenergyLoss::GetPlateLinearPhot << 638
>> 639 G4double G4VXTRenergyLoss::GetPlateLinearPhotoAbs(G4double omega)
1041 { 640 {
1042 G4double omega2, omega3, omega4; << 641 G4int i ;
>> 642 G4double omega2, omega3, omega4 ;
>> 643
>> 644 omega2 = omega*omega ;
>> 645 omega3 = omega2*omega ;
>> 646 omega4 = omega2*omega2 ;
1043 647
1044 omega2 = omega * omega; << 648 for(i=0;i<fPlateIntervalNumber;i++)
1045 omega3 = omega2 * omega; << 649 {
1046 omega4 = omega2 * omega2; << 650 if( omega < fPlatePhotoAbsCof[i][0] ) break ;
1047 << 651 }
1048 const G4double* SandiaCof = fPlatePhotoAbsC << 652 if( i == 0 )
1049 G4double cross = SandiaCof[0] / << 653 {
1050 SandiaCof[2] / omega3 + Sa << 654 G4Exception("Invalid (<I1) energy in G4VXTRenergyLoss::GetPlateLinearPhotoAbs");
1051 return cross; << 655 }
>> 656 else i-- ;
>> 657
>> 658 return fPlatePhotoAbsCof[i][1]/omega + fPlatePhotoAbsCof[i][2]/omega2 +
>> 659 fPlatePhotoAbsCof[i][3]/omega3 + fPlatePhotoAbsCof[i][4]/omega4 ;
1052 } 660 }
1053 661
1054 ///////////////////////////////////////////// 662 //////////////////////////////////////////////////////////////////////
>> 663 //
1055 // Calculates formation zone for gas. Omega i 664 // Calculates formation zone for gas. Omega is energy !!!
1056 G4double G4VXTRenergyLoss::GetGasFormationZon << 665
1057 << 666 G4double G4VXTRenergyLoss::GetGasFormationZone( G4double omega ,
1058 { << 667 G4double gamma ,
1059 G4double cof, lambda; << 668 G4double varAngle )
1060 lambda = 1.0 / gamma / gamma + varAngle + f << 669 {
1061 cof = 2.0 * hbarc / omega / lambda; << 670 G4double cof, lambda ;
1062 return cof; << 671 lambda = 1.0/gamma/gamma + varAngle + fSigma2/omega/omega ;
>> 672 cof = 2.0*hbarc/omega/lambda ;
>> 673 return cof ;
>> 674
1063 } 675 }
1064 676
>> 677
1065 ///////////////////////////////////////////// 678 //////////////////////////////////////////////////////////////////////
>> 679 //
1066 // Calculates complex formation zone for gas 680 // Calculates complex formation zone for gas gaps. Omega is energy !!!
1067 G4complex G4VXTRenergyLoss::GetGasComplexFZ(G << 681
1068 G << 682 G4complex G4VXTRenergyLoss::GetGasComplexFZ( G4double omega ,
>> 683 G4double gamma ,
>> 684 G4double varAngle )
1069 { 685 {
1070 G4double cof, length, delta, real_v, image_ << 686 G4double cof, length,delta, real, image ;
1071 687
1072 length = 0.5 * GetGasFormationZone(omega, g << 688 length = 0.5*GetGasFormationZone(omega,gamma,varAngle) ;
1073 delta = length * GetGasLinearPhotoAbs(omeg << 689 delta = length*GetGasLinearPhotoAbs(omega) ;
1074 cof = 1.0 / (1.0 + delta * delta); << 690 cof = 1.0/(1.0 + delta*delta) ;
1075 691
1076 real_v = length * cof; << 692 real = length*cof ;
1077 image_v = real_v * delta; << 693 image = real*delta ;
1078 694
1079 G4complex zone(real_v, image_v); << 695 G4complex zone(real,image);
1080 return zone; << 696 return zone ;
1081 } 697 }
1082 698
>> 699
>> 700
1083 ///////////////////////////////////////////// 701 ////////////////////////////////////////////////////////////////////////
>> 702 //
1084 // Computes matrix of Sandia photo absorption 703 // Computes matrix of Sandia photo absorption cross section coefficients for
1085 // gas material 704 // gas material
1086 void G4VXTRenergyLoss::ComputeGasPhotoAbsCof( << 705
>> 706 void G4VXTRenergyLoss::ComputeGasPhotoAbsCof()
1087 { 707 {
1088 const G4MaterialTable* theMaterialTable = G << 708 G4int i, j, numberOfElements ;
1089 const G4Material* mat = ( << 709 static const G4MaterialTable*
1090 fGasPhotoAbsCof = m << 710 theMaterialTable = G4Material::GetMaterialTable();
1091 return; << 711
>> 712 G4SandiaTable thisMaterialSandiaTable(fMatIndex2) ;
>> 713 numberOfElements = (*theMaterialTable)[fMatIndex2]->GetNumberOfElements() ;
>> 714 G4int* thisMaterialZ = new G4int[numberOfElements] ;
>> 715
>> 716 for(i=0;i<numberOfElements;i++)
>> 717 {
>> 718 thisMaterialZ[i] = (G4int)(*theMaterialTable)[fMatIndex2]->
>> 719 GetElement(i)->GetZ() ;
>> 720 }
>> 721 fGasIntervalNumber = thisMaterialSandiaTable.SandiaIntervals
>> 722 (thisMaterialZ,numberOfElements) ;
>> 723
>> 724 fGasIntervalNumber = thisMaterialSandiaTable.SandiaMixing
>> 725 ( thisMaterialZ ,
>> 726 (*theMaterialTable)[fMatIndex2]->GetFractionVector() ,
>> 727 numberOfElements,fGasIntervalNumber) ;
>> 728
>> 729 fGasPhotoAbsCof = new G4double*[fGasIntervalNumber] ;
>> 730
>> 731 for(i=0;i<fGasIntervalNumber;i++)
>> 732 {
>> 733 fGasPhotoAbsCof[i] = new G4double[5] ;
>> 734 }
>> 735 for(i=0;i<fGasIntervalNumber;i++)
>> 736 {
>> 737 fGasPhotoAbsCof[i][0] = thisMaterialSandiaTable.
>> 738 GetPhotoAbsorpCof(i+1,0) ;
>> 739
>> 740 for(j=1;j<5;j++)
>> 741 {
>> 742 fGasPhotoAbsCof[i][j] = thisMaterialSandiaTable.
>> 743 GetPhotoAbsorpCof(i+1,j)*
>> 744 (*theMaterialTable)[fMatIndex2]->GetDensity() ;
>> 745 }
>> 746 }
>> 747 delete[] thisMaterialZ ;
>> 748 return ;
1092 } 749 }
1093 750
1094 ///////////////////////////////////////////// 751 //////////////////////////////////////////////////////////////////////
1095 // Returns the value of linear photo absorpti << 752 //
>> 753 // Returns the value of linear photo absorption coefficient (in reciprocal
1096 // length) for gas 754 // length) for gas
1097 G4double G4VXTRenergyLoss::GetGasLinearPhotoA << 755
>> 756 G4double G4VXTRenergyLoss::GetGasLinearPhotoAbs(G4double omega)
1098 { 757 {
1099 G4double omega2, omega3, omega4; << 758 G4int i ;
>> 759 G4double omega2, omega3, omega4 ;
>> 760
>> 761 omega2 = omega*omega ;
>> 762 omega3 = omega2*omega ;
>> 763 omega4 = omega2*omega2 ;
>> 764
>> 765 for(i=0;i<fGasIntervalNumber;i++)
>> 766 {
>> 767 if( omega < fGasPhotoAbsCof[i][0] ) break ;
>> 768 }
>> 769 if( i == 0 )
>> 770 {
>> 771 G4Exception("Invalid (<I1) energy in G4VXTRenergyLoss::GetGasLinearPhotoAbs");
>> 772 }
>> 773 else i-- ;
>> 774
>> 775 return fGasPhotoAbsCof[i][1]/omega + fGasPhotoAbsCof[i][2]/omega2 +
>> 776 fGasPhotoAbsCof[i][3]/omega3 + fGasPhotoAbsCof[i][4]/omega4 ;
1100 777
1101 omega2 = omega * omega; <<
1102 omega3 = omega2 * omega; <<
1103 omega4 = omega2 * omega2; <<
1104 <<
1105 const G4double* SandiaCof = fGasPhotoAbsCof <<
1106 G4double cross = SandiaCof[0] / <<
1107 SandiaCof[2] / omega3 + Sa <<
1108 return cross; <<
1109 } 778 }
1110 779
1111 ///////////////////////////////////////////// 780 //////////////////////////////////////////////////////////////////////
1112 // Calculates the product of linear cof by fo << 781 //
>> 782 // Calculates the product of linear cof by formation zone for plate.
1113 // Omega is energy !!! 783 // Omega is energy !!!
1114 G4double G4VXTRenergyLoss::GetPlateZmuProduct << 784
1115 << 785 G4double G4VXTRenergyLoss::GetPlateZmuProduct( G4double omega ,
>> 786 G4double gamma ,
>> 787 G4double varAngle )
1116 { 788 {
1117 return GetPlateFormationZone(omega, gamma, << 789 return GetPlateFormationZone(omega,gamma,varAngle)*GetPlateLinearPhotoAbs(omega) ;
1118 GetPlateLinearPhotoAbs(omega); <<
1119 } 790 }
1120 ///////////////////////////////////////////// 791 //////////////////////////////////////////////////////////////////////
1121 // Calculates the product of linear cof by fo << 792 //
>> 793 // Calculates the product of linear cof by formation zone for plate.
1122 // G4cout and output in file in some energy r 794 // G4cout and output in file in some energy range.
1123 void G4VXTRenergyLoss::GetPlateZmuProduct() << 795
>> 796 void G4VXTRenergyLoss::GetPlateZmuProduct()
1124 { 797 {
1125 std::ofstream outPlate("plateZmu.dat", std: << 798 G4std::ofstream outPlate("plateZmu.dat", G4std::ios::out ) ;
1126 outPlate.setf(std::ios::scientific, std::io << 799 outPlate.setf( G4std::ios::scientific, G4std::ios::floatfield );
1127 800
1128 G4int i; << 801 G4int i ;
1129 G4double omega, varAngle, gamma; << 802 G4double omega, varAngle, gamma ;
1130 gamma = 10000.; << 803 gamma = 10000. ;
1131 varAngle = 1 / gamma / gamma; << 804 varAngle = 1/gamma/gamma ;
1132 if(verboseLevel > 0) << 805 G4cout<<"energy, keV"<<"\t"<<"Zmu for plate"<<G4endl ;
1133 G4cout << "energy, keV" << "\t" << "Zmu f << 806 for(i=0;i<100;i++)
1134 for(i = 0; i < 100; ++i) << 807 {
1135 { << 808 omega = (1.0 + i)*keV ;
1136 omega = (1.0 + i) * keV; << 809 G4cout<<omega/keV<<"\t"<<GetPlateZmuProduct(omega,gamma,varAngle)<<"\t" ;
1137 if(verboseLevel > 1) << 810 outPlate<<omega/keV<<"\t\t"<<GetPlateZmuProduct(omega,gamma,varAngle)<<G4endl ;
1138 G4cout << omega / keV << "\t" <<
1139 << GetPlateZmuProduct(omega, gam <<
1140 if(verboseLevel > 0) <<
1141 outPlate << omega / keV << "\t\t" <<
1142 << GetPlateZmuProduct(omega, g <<
1143 } 811 }
1144 return; << 812 return ;
1145 } 813 }
1146 814
1147 ///////////////////////////////////////////// 815 //////////////////////////////////////////////////////////////////////
1148 // Calculates the product of linear cof by fo << 816 //
>> 817 // Calculates the product of linear cof by formation zone for gas.
1149 // Omega is energy !!! 818 // Omega is energy !!!
1150 G4double G4VXTRenergyLoss::GetGasZmuProduct(G << 819
1151 G << 820 G4double G4VXTRenergyLoss::GetGasZmuProduct( G4double omega ,
>> 821 G4double gamma ,
>> 822 G4double varAngle )
1152 { 823 {
1153 return GetGasFormationZone(omega, gamma, va << 824 return GetGasFormationZone(omega,gamma,varAngle)*GetGasLinearPhotoAbs(omega) ;
1154 GetGasLinearPhotoAbs(omega); <<
1155 } 825 }
1156 <<
1157 ///////////////////////////////////////////// 826 //////////////////////////////////////////////////////////////////////
1158 // Calculates the product of linear cof by fo << 827 //
>> 828 // Calculates the product of linear cof byformation zone for gas.
1159 // G4cout and output in file in some energy r 829 // G4cout and output in file in some energy range.
1160 void G4VXTRenergyLoss::GetGasZmuProduct() <<
1161 { <<
1162 std::ofstream outGas("gasZmu.dat", std::ios <<
1163 outGas.setf(std::ios::scientific, std::ios: <<
1164 G4int i; <<
1165 G4double omega, varAngle, gamma; <<
1166 gamma = 10000.; <<
1167 varAngle = 1 / gamma / gamma; <<
1168 if(verboseLevel > 0) <<
1169 G4cout << "energy, keV" << "\t" << "Zmu f <<
1170 for(i = 0; i < 100; ++i) <<
1171 { <<
1172 omega = (1.0 + i) * keV; <<
1173 if(verboseLevel > 1) <<
1174 G4cout << omega / keV << "\t" << GetGas <<
1175 << "\t"; <<
1176 if(verboseLevel > 0) <<
1177 outGas << omega / keV << "\t\t" <<
1178 << GetGasZmuProduct(omega, gamma <<
1179 } <<
1180 return; <<
1181 } <<
1182 830
1183 ///////////////////////////////////////////// << 831 void G4VXTRenergyLoss::GetGasZmuProduct()
1184 // Computes Compton cross section for plate m <<
1185 G4double G4VXTRenergyLoss::GetPlateCompton(G4 <<
1186 { 832 {
1187 G4int i, numberOfElements; << 833 G4std::ofstream outGas("gasZmu.dat", G4std::ios::out ) ;
1188 G4double xSection = 0., nowZ, sumZ = 0.; << 834 outGas.setf( G4std::ios::scientific, G4std::ios::floatfield );
1189 << 835 G4int i ;
1190 const G4MaterialTable* theMaterialTable = G << 836 G4double omega, varAngle, gamma ;
1191 numberOfElements = (G4int)(*theMaterialTabl << 837 gamma = 10000. ;
1192 << 838 varAngle = 1/gamma/gamma ;
1193 for(i = 0; i < numberOfElements; ++i) << 839 G4cout<<"energy, keV"<<"\t"<<"Zmu for gas"<<G4endl ;
1194 { << 840 for(i=0;i<100;i++)
1195 nowZ = (*theMaterialTable)[fMatIndex1]->G << 841 {
1196 sumZ += nowZ; << 842 omega = (1.0 + i)*keV ;
1197 xSection += GetComptonPerAtom(omega, nowZ << 843 G4cout<<omega/keV<<"\t"<<GetGasZmuProduct(omega,gamma,varAngle)<<"\t" ;
>> 844 outGas<<omega/keV<<"\t\t"<<GetGasZmuProduct(omega,gamma,varAngle)<<G4endl ;
1198 } 845 }
1199 xSection /= sumZ; << 846 return ;
1200 xSection *= (*theMaterialTable)[fMatIndex1] <<
1201 return xSection; <<
1202 } <<
1203 <<
1204 ///////////////////////////////////////////// <<
1205 // Computes Compton cross section for gas mat <<
1206 G4double G4VXTRenergyLoss::GetGasCompton(G4do <<
1207 { <<
1208 G4double xSection = 0., sumZ = 0.; <<
1209 <<
1210 const G4MaterialTable* theMaterialTable = G <<
1211 G4int numberOfElements = (G4int)(*theMateri <<
1212 <<
1213 for (G4int i = 0; i < numberOfElements; ++i <<
1214 { <<
1215 G4double nowZ = (*theMaterialTable)[fMatI <<
1216 sumZ += nowZ; <<
1217 xSection += GetComptonPerAtom(omega, nowZ <<
1218 } <<
1219 if (sumZ > 0.0) { xSection /= sumZ; } <<
1220 xSection *= (*theMaterialTable)[fMatIndex2] <<
1221 return xSection; <<
1222 } <<
1223 <<
1224 ///////////////////////////////////////////// <<
1225 // Computes Compton cross section per atom wi <<
1226 // the energy GammaEnergy <<
1227 G4double G4VXTRenergyLoss::GetComptonPerAtom( <<
1228 { <<
1229 G4double CrossSection = 0.0; <<
1230 if(Z < 0.9999) <<
1231 return CrossSection; <<
1232 if(GammaEnergy < 0.1 * keV) <<
1233 return CrossSection; <<
1234 if(GammaEnergy > (100. * GeV / Z)) <<
1235 return CrossSection; <<
1236 <<
1237 static constexpr G4double a = 20.0; <<
1238 static constexpr G4double b = 230.0; <<
1239 static constexpr G4double c = 440.0; <<
1240 <<
1241 static constexpr G4double d1 = 2.7965e-1 * <<
1242 d3 = 6.7527 * bar <<
1243 e1 = 1.9756e-5 * <<
1244 e3 = -7.3913e-2 * <<
1245 f1 = -3.9178e-7 * <<
1246 f3 = 6.0480e-5 * <<
1247 <<
1248 G4double p1Z = Z * (d1 + e1 * Z + f1 * Z * <<
1249 G4double p2Z = Z * (d2 + e2 * Z + f2 * Z * <<
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 <<
1262 // modification for low energy. (special c <<
1263 if(GammaEnergy < T0) <<
1264 { <<
1265 G4double dT0 = 1. * keV; <<
1266 X = (T0 + dT0) / electron_mass <<
1267 G4double sigma = <<
1268 p1Z * std::log(1. + 2. * X) / X + <<
1269 (p2Z + p3Z * X + p4Z * X * X) / (1. + a <<
1270 G4double c1 = -T0 * (sigma - CrossSection <<
1271 G4double c2 = 0.150; <<
1272 if(Z > 1.5) <<
1273 c2 = 0.375 - 0.0556 * std::log(Z); <<
1274 G4double y = std::log(GammaEnergy / T0); <<
1275 CrossSection *= std::exp(-y * (c1 + c2 * <<
1276 } <<
1277 return CrossSection; <<
1278 } 847 }
1279 848
1280 ///////////////////////////////////////////// 849 ///////////////////////////////////////////////////////////////////////
>> 850 //
1281 // This function returns the spectral and ang 851 // This function returns the spectral and angle density of TR quanta
1282 // in X-ray energy region generated forward w 852 // in X-ray energy region generated forward when a relativistic
1283 // charged particle crosses interface between 853 // charged particle crosses interface between two materials.
1284 // The high energy small theta approximation 854 // The high energy small theta approximation is applied.
1285 // (matter1 -> matter2, or 2->1) 855 // (matter1 -> matter2, or 2->1)
1286 // varAngle =2* (1 - std::cos(theta)) or appr << 856 // varAngle =2* (1 - cos(theta)) or approximately = theta*theta
1287 G4double G4VXTRenergyLoss::OneBoundaryXTRNden << 857 //
1288 << 858
1289 << 859 G4double
1290 { << 860 G4VXTRenergyLoss::OneBoundaryXTRNdensity( G4double energy,G4double gamma,
1291 G4double formationLength1, formationLength2 << 861 G4double varAngle ) const
1292 formationLength1 = << 862 {
1293 1.0 / (1.0 / (gamma * gamma) + fSigma1 / << 863 G4double formationLength1, formationLength2 ;
1294 formationLength2 = << 864 formationLength1 = 1.0/
1295 1.0 / (1.0 / (gamma * gamma) + fSigma2 / << 865 (1.0/(gamma*gamma)
1296 return (varAngle / energy) * (formationLeng << 866 + fSigma1/(energy*energy)
1297 (formationLength1 - formationLength2 << 867 + varAngle) ;
1298 } << 868 formationLength2 = 1.0/
>> 869 (1.0/(gamma*gamma)
>> 870 + fSigma2/(energy*energy)
>> 871 + varAngle) ;
>> 872 return (varAngle/energy)*(formationLength1 - formationLength2)
>> 873 *(formationLength1 - formationLength2) ;
1299 874
1300 G4double G4VXTRenergyLoss::GetStackFactor(G4d <<
1301 G4d <<
1302 { <<
1303 // return stack factor corresponding to one <<
1304 return std::real(OneInterfaceXTRdEdx(energy <<
1305 } 875 }
1306 876
>> 877
1307 ///////////////////////////////////////////// 878 //////////////////////////////////////////////////////////////////////////////
>> 879 //
1308 // For photon energy distribution tables. Int 880 // For photon energy distribution tables. Integrate first over angle
>> 881 //
>> 882
1309 G4double G4VXTRenergyLoss::XTRNSpectralAngleD 883 G4double G4VXTRenergyLoss::XTRNSpectralAngleDensity(G4double varAngle)
1310 { 884 {
1311 return OneBoundaryXTRNdensity(fEnergy, fGam << 885 return OneBoundaryXTRNdensity(fEnergy,fGamma,varAngle)*
1312 GetStackFactor(fEnergy, fGamma, varA << 886 GetStackFactor(fEnergy,fGamma,varAngle) ;
1313 } 887 }
1314 888
1315 ///////////////////////////////////////////// 889 /////////////////////////////////////////////////////////////////////////
>> 890 //
1316 // For second integration over energy 891 // For second integration over energy
>> 892
1317 G4double G4VXTRenergyLoss::XTRNSpectralDensit 893 G4double G4VXTRenergyLoss::XTRNSpectralDensity(G4double energy)
1318 { 894 {
1319 fEnergy = energy; << 895 fEnergy = energy ;
1320 G4Integrator<G4VXTRenergyLoss, G4double (G4 << 896 G4Integrator<G4VXTRenergyLoss,G4double(G4VXTRenergyLoss::*)(G4double)> integral ;
1321 integral; << 897 return integral.Legendre96(this,&G4VXTRenergyLoss::XTRNSpectralAngleDensity,
1322 return integral.Legendre96(this, &G4VXTRene << 898 0.0,0.2*fMaxThetaTR) +
1323 0.0, 0.2 * fMaxT << 899 integral.Legendre10(this,&G4VXTRenergyLoss::XTRNSpectralAngleDensity,
1324 integral.Legendre10(this, &G4VXTRene << 900 0.2*fMaxThetaTR,fMaxThetaTR) ;
1325 0.2 * fMaxThetaT << 901 }
1326 } << 902
1327 <<
1328 ///////////////////////////////////////////// 903 //////////////////////////////////////////////////////////////////////////
>> 904 //
1329 // for photon angle distribution tables 905 // for photon angle distribution tables
>> 906 //
>> 907
1330 G4double G4VXTRenergyLoss::XTRNAngleSpectralD 908 G4double G4VXTRenergyLoss::XTRNAngleSpectralDensity(G4double energy)
1331 { 909 {
1332 return OneBoundaryXTRNdensity(energy, fGamm << 910 return OneBoundaryXTRNdensity(energy,fGamma,fVarAngle)*
1333 GetStackFactor(energy, fGamma, fVarA << 911 GetStackFactor(energy,fGamma,fVarAngle) ;
1334 } << 912 }
1335 913
1336 ///////////////////////////////////////////// 914 ///////////////////////////////////////////////////////////////////////////
1337 G4double G4VXTRenergyLoss::XTRNAngleDensity(G << 915 //
>> 916 //
>> 917
>> 918 G4double G4VXTRenergyLoss::XTRNAngleDensity(G4double varAngle)
1338 { 919 {
1339 fVarAngle = varAngle; << 920 fVarAngle = varAngle ;
1340 G4Integrator<G4VXTRenergyLoss, G4double (G4 << 921 G4Integrator<G4VXTRenergyLoss,G4double(G4VXTRenergyLoss::*)(G4double)> integral ;
1341 integral; << 922 return integral.Legendre96(this,&G4VXTRenergyLoss::XTRNAngleSpectralDensity,
1342 return integral.Legendre96(this, &G4VXTRene << 923 fMinEnergyTR,fMaxEnergyTR) ;
1343 fMinEnergyTR, fM <<
1344 } 924 }
1345 925
1346 ///////////////////////////////////////////// 926 //////////////////////////////////////////////////////////////////////////////
1347 // Check number of photons for a range of Lor << 927 //
>> 928 // Check number of photons for a range of Lorentz factors from both energy
1348 // and angular tables 929 // and angular tables
>> 930
1349 void G4VXTRenergyLoss::GetNumberOfPhotons() 931 void G4VXTRenergyLoss::GetNumberOfPhotons()
1350 { 932 {
1351 G4int iTkin; << 933 G4int iTkin ;
1352 G4double gamma, numberE; << 934 G4double gamma, numberE ;
1353 935
1354 std::ofstream outEn("numberE.dat", std::ios << 936 G4std::ofstream outEn("numberE.dat", G4std::ios::out ) ;
1355 outEn.setf(std::ios::scientific, std::ios:: << 937 outEn.setf( G4std::ios::scientific, G4std::ios::floatfield );
1356 938
1357 std::ofstream outAng("numberAng.dat", std:: << 939 G4std::ofstream outAng("numberAng.dat", G4std::ios::out ) ;
1358 outAng.setf(std::ios::scientific, std::ios: << 940 outAng.setf( G4std::ios::scientific, G4std::ios::floatfield );
1359 941
1360 for(iTkin = 0; iTkin < fTotBin; ++iTkin) / << 942 for(iTkin=0;iTkin<fTotBin;iTkin++) // Lorentz factor loop
1361 { << 943 {
1362 gamma = << 944 gamma = 1.0 + (fProtonEnergyVector->
1363 1.0 + (fProtonEnergyVector->GetLowEdgeE << 945 GetLowEdgeEnergy(iTkin)/proton_mass_c2) ;
1364 numberE = (*(*fEnergyDistrTable)(iTkin))( << 946 numberE = (*(*fEnergyDistrTable)(iTkin))(0) ;
1365 if(verboseLevel > 1) << 947 // numberA = (*(*fAngleDistrTable)(iTkin))(0) ;
1366 G4cout << gamma << "\t\t" << numberE << << 948 G4cout<<gamma<<"\t\t"<<numberE<<"\t" // <<numberA
1367 if(verboseLevel > 0) << 949 <<G4endl ;
1368 outEn << gamma << "\t\t" << numberE << << 950 outEn<<gamma<<"\t\t"<<numberE<<G4endl ;
>> 951 // outAng<<gamma<<"\t\t"<<numberA<<G4endl ;
1369 } 952 }
1370 return; << 953 return ;
1371 } << 954 }
1372 955
1373 ///////////////////////////////////////////// 956 /////////////////////////////////////////////////////////////////////////
1374 // Returns random energy of a X-ray TR photon << 957 //
>> 958 // Returns randon energy of a X-ray TR photon for given scaled kinetic energy
1375 // of a charged particle 959 // of a charged particle
1376 G4double G4VXTRenergyLoss::GetXTRrandomEnergy << 960
>> 961 G4double G4VXTRenergyLoss::GetXTRrandomEnergy( G4double scaledTkin, G4int iTkin )
1377 { 962 {
1378 G4int iTransfer, iPlace; << 963 G4int iTransfer, iPlace ;
1379 G4double transfer = 0.0, position, E1, E2, << 964 G4double transfer = 0.0, position, E1, E2, W1, W2, W ;
>> 965
>> 966 iPlace = iTkin - 1 ;
1380 967
1381 iPlace = iTkin - 1; << 968 // G4cout<<"iPlace = "<<iPlace<<endl ;
1382 969
1383 if(iTkin == fTotBin) // relativistic plato << 970 if(iTkin == fTotBin) // relativistic plato, try from left
1384 { 971 {
1385 position = (*(*fEnergyDistrTable)(iPlace) << 972 position = (*(*fEnergyDistrTable)(iPlace))(0)*G4UniformRand() ;
1386 973
1387 for(iTransfer = 0;; ++iTransfer) << 974 for(iTransfer=0;;iTransfer++)
1388 { << 975 {
1389 if(position >= (*(*fEnergyDistrTable)(i << 976 if(position >= (*(*fEnergyDistrTable)(iPlace))(iTransfer)) break ;
1390 break; << 977 }
1391 } << 978 transfer = GetXTRenergy(iPlace,position,iTransfer);
1392 transfer = GetXTRenergy(iPlace, position, <<
1393 } 979 }
1394 else 980 else
1395 { 981 {
1396 E1 = fProtonEnergyVector->GetLowEdgeEnerg << 982 E1 = fProtonEnergyVector->GetLowEdgeEnergy(iTkin - 1) ;
1397 E2 = fProtonEnergyVector->GetLowEdgeEnerg << 983 E2 = fProtonEnergyVector->GetLowEdgeEnergy(iTkin) ;
1398 W = 1.0 / (E2 - E1); << 984 W = 1.0/(E2 - E1) ;
1399 W1 = (E2 - scaledTkin) * W; << 985 W1 = (E2 - scaledTkin)*W ;
1400 W2 = (scaledTkin - E1) * W; << 986 W2 = (scaledTkin - E1)*W ;
1401 << 987
1402 position = ((*(*fEnergyDistrTable)(iPlace << 988 position =( (*(*fEnergyDistrTable)(iPlace))(0)*W1 +
1403 (*(*fEnergyDistrTable)(iPlace << 989 (*(*fEnergyDistrTable)(iPlace+1))(0)*W2 )*G4UniformRand() ;
1404 G4UniformRand(); << 990
1405 << 991 // G4cout<<position<<"\t" ;
1406 for(iTransfer = 0;; ++iTransfer) << 992
1407 { << 993 for(iTransfer=0;;iTransfer++)
1408 if(position >= ((*(*fEnergyDistrTable)( << 994 {
1409 (*(*fEnergyDistrTable)( << 995 if( position >=
1410 break; << 996 ( (*(*fEnergyDistrTable)(iPlace))(iTransfer)*W1 +
1411 } << 997 (*(*fEnergyDistrTable)(iPlace+1))(iTransfer)*W2) ) break ;
1412 transfer = GetXTRenergy(iPlace, position, << 998 }
1413 } << 999 transfer = GetXTRenergy(iPlace,position,iTransfer);
1414 if(transfer < 0.0) << 1000
1415 transfer = 0.0; << 1001 }
1416 return transfer; << 1002 // G4cout<<"XTR transfer = "<<transfer/keV<<" keV"<<endl ;
>> 1003 if(transfer < 0.0 ) transfer = 0.0 ;
>> 1004 return transfer ;
1417 } 1005 }
1418 1006
1419 ///////////////////////////////////////////// 1007 ////////////////////////////////////////////////////////////////////////
>> 1008 //
1420 // Returns approximate position of X-ray phot 1009 // Returns approximate position of X-ray photon energy during random sampling
1421 // over integral energy distribution 1010 // over integral energy distribution
1422 G4double G4VXTRenergyLoss::GetXTRenergy(G4int << 1011
>> 1012 G4double G4VXTRenergyLoss::GetXTRenergy( G4int iPlace,
>> 1013 G4double position,
>> 1014 G4int iTransfer )
1423 { 1015 {
1424 G4double x1, x2, y1, y2, result; << 1016 G4double x1, x2, y1, y2, result ;
1425 1017
1426 if(iTransfer == 0) 1018 if(iTransfer == 0)
1427 { 1019 {
1428 result = (*fEnergyDistrTable)(iPlace)->Ge << 1020 result = (*fEnergyDistrTable)(iPlace)->GetLowEdgeEnergy(iTransfer) ;
1429 } << 1021 }
1430 else 1022 else
1431 { 1023 {
1432 y1 = (*(*fEnergyDistrTable)(iPlace))(iTra << 1024 y1 = (*(*fEnergyDistrTable)(iPlace))(iTransfer-1) ;
1433 y2 = (*(*fEnergyDistrTable)(iPlace))(iTra << 1025 y2 = (*(*fEnergyDistrTable)(iPlace))(iTransfer) ;
1434 1026
1435 x1 = (*fEnergyDistrTable)(iPlace)->GetLow << 1027 x1 = (*fEnergyDistrTable)(iPlace)->GetLowEdgeEnergy(iTransfer-1) ;
1436 x2 = (*fEnergyDistrTable)(iPlace)->GetLow << 1028 x2 = (*fEnergyDistrTable)(iPlace)->GetLowEdgeEnergy(iTransfer) ;
1437 1029
1438 if(x1 == x2) << 1030 if ( x1 == x2 ) result = x2 ;
1439 result = x2; <<
1440 else 1031 else
1441 { 1032 {
1442 if(y1 == y2) << 1033 if ( y1 == y2 ) result = x1 + (x2 - x1)*G4UniformRand() ;
1443 result = x1 + (x2 - x1) * G4UniformRa <<
1444 else 1034 else
1445 { 1035 {
1446 result = x1 + (x2 - x1) * G4UniformRa << 1036 result = x1 + (position - y1)*(x2 - x1)/(y2 - y1) ;
1447 } 1037 }
1448 } 1038 }
1449 } 1039 }
1450 return result; << 1040 return result ;
1451 } <<
1452 <<
1453 ///////////////////////////////////////////// <<
1454 // Get XTR photon angle at given energy and <<
1455 <<
1456 G4double G4VXTRenergyLoss::GetRandomAngle(G4d <<
1457 { <<
1458 G4int iTR, iAngle; <<
1459 G4double position, angle; <<
1460 <<
1461 if(iTkin == fTotBin) <<
1462 --iTkin; <<
1463 <<
1464 fAngleForEnergyTable = fAngleBank[iTkin]; <<
1465 <<
1466 for(iTR = 0; iTR < fBinTR; ++iTR) <<
1467 { <<
1468 if(energyXTR < fXTREnergyVector->GetLowEd <<
1469 break; <<
1470 } <<
1471 if(iTR == fBinTR) <<
1472 --iTR; <<
1473 <<
1474 position = (*(*fAngleForEnergyTable)(iTR))( <<
1475 // position = (*(*fAngleForEnergyTable)(iTR <<
1476 <<
1477 for(iAngle = 0;; ++iAngle) <<
1478 // for(iAngle = 1;; ++iAngle) // ATLAS TB <<
1479 { <<
1480 if(position >= (*(*fAngleForEnergyTable)( <<
1481 break; <<
1482 } <<
1483 angle = GetAngleXTR(iTR, position, iAngle); <<
1484 return angle; <<
1485 } 1041 }
1486 1042
1487 ///////////////////////////////////////////// <<
1488 // Returns approximate position of X-ray phot <<
1489 // random sampling over integral energy distr <<
1490 1043
1491 G4double G4VXTRenergyLoss::GetAngleXTR(G4int <<
1492 G4int <<
1493 { <<
1494 G4double x1, x2, y1, y2, result; <<
1495 1044
1496 if( iTransfer == 0 ) << 1045 //
1497 // if( iTransfer == 1 ) // ATLAS TB << 1046 //
1498 { << 1047 ///////////////////////////////////////////////////////////////////////
1499 result = (*fAngleForEnergyTable)(iPlace)- <<
1500 } <<
1501 else <<
1502 { <<
1503 y1 = (*(*fAngleForEnergyTable)(iPlace))(i <<
1504 y2 = (*(*fAngleForEnergyTable)(iPlace))(i <<
1505 <<
1506 x1 = (*fAngleForEnergyTable)(iPlace)->Get <<
1507 x2 = (*fAngleForEnergyTable)(iPlace)->Get <<
1508 1048
1509 if(x1 == x2) result = x2; <<
1510 else <<
1511 { <<
1512 if( y1 == y2 ) result = x1 + (x2 - x1) <<
1513 else <<
1514 { <<
1515 result = x1 + (position - y1) * (x2 - <<
1516 // result = x1 + 0.1*(position - y1) <<
1517 // result = x1 + 0.05*(position - y1) <<
1518 } <<
1519 } <<
1520 } <<
1521 return result; <<
1522 } <<
1523 1049