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25 // 25 //
>> 26 //
>> 27 // $Id: G4VXTRenergyLoss.cc,v 1.44 2007/09/29 17:49:34 vnivanch Exp $
>> 28 // GEANT4 tag $Name: geant4-09-02-patch-04 $
>> 29 //
26 // History: 30 // History:
27 // 2001-2002 R&D by V.Grichine 31 // 2001-2002 R&D by V.Grichine
28 // 19.06.03 V. Grichine, modifications in Buil << 32 // 19.06.03 V. Grichine, modifications in BuildTable for the integration
29 // in respect of angle: 33 // in respect of angle: range is increased, accuracy is
30 // improved 34 // improved
31 // 28.07.05, P.Gumplinger add G4ProcessType to 35 // 28.07.05, P.Gumplinger add G4ProcessType to constructor
32 // 28.09.07, V.Ivanchenko general cleanup with 36 // 28.09.07, V.Ivanchenko general cleanup without change of algorithms
33 // 37 //
34 38
35 #include "G4VXTRenergyLoss.hh" << 39 #include "G4Timer.hh"
36 40
37 #include "G4AffineTransform.hh" << 41 #include "G4VXTRenergyLoss.hh"
38 #include "G4DynamicParticle.hh" << 42 #include "G4Poisson.hh"
39 #include "G4EmProcessSubType.hh" <<
40 #include "G4Integrator.hh" <<
41 #include "G4MaterialTable.hh" 43 #include "G4MaterialTable.hh"
42 #include "G4ParticleMomentum.hh" <<
43 #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" <<
50 #include "G4ThreeVector.hh" <<
51 #include "G4Timer.hh" <<
52 #include "G4VDiscreteProcess.hh" 44 #include "G4VDiscreteProcess.hh"
53 #include "G4VParticleChange.hh" 45 #include "G4VParticleChange.hh"
54 #include "G4VSolid.hh" 46 #include "G4VSolid.hh"
55 #include "G4PhysicsModelCatalog.hh" << 47
>> 48 #include "G4RotationMatrix.hh"
>> 49 #include "G4ThreeVector.hh"
>> 50 #include "G4AffineTransform.hh"
>> 51 #include "G4SandiaTable.hh"
>> 52
>> 53 #include "G4PhysicsVector.hh"
>> 54 #include "G4PhysicsFreeVector.hh"
>> 55 #include "G4PhysicsLinearVector.hh"
>> 56
>> 57 using namespace std;
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 // Initialization of local constants
95 fMaxThetaTR = 1.0e-4; << 80 fTheMinEnergyTR = 1.0*keV;
>> 81 fTheMaxEnergyTR = 100.0*keV;
>> 82 fTheMaxAngle = 1.0e-3;
>> 83 fTheMinAngle = 5.0e-6;
>> 84 fBinTR = 50;
>> 85
>> 86 fMinProtonTkin = 100.0*GeV;
>> 87 fMaxProtonTkin = 100.0*TeV;
>> 88 fTotBin = 50;
96 89
97 <<
98 // Proton energy vector initialization 90 // Proton energy vector initialization
99 fProtonEnergyVector = <<
100 new G4PhysicsLogVector(fMinProtonTkin, fMa <<
101 91
102 fXTREnergyVector = << 92 fProtonEnergyVector = new G4PhysicsLogVector(fMinProtonTkin,
103 new G4PhysicsLogVector(fTheMinEnergyTR, fT << 93 fMaxProtonTkin,
>> 94 fTotBin );
>> 95
>> 96 fXTREnergyVector = new G4PhysicsLogVector(fTheMinEnergyTR,
>> 97 fTheMaxEnergyTR,
>> 98 fBinTR );
>> 99
>> 100 fPlasmaCof = 4.0*pi*fine_structure_const*hbarc*hbarc*hbarc/electron_mass_c2;
>> 101
>> 102 fCofTR = fine_structure_const/pi;
104 103
105 fEnvelope = anEnvelope; << 104 fEnvelope = anEnvelope ;
106 105
107 fPlateNumber = n; << 106 fPlateNumber = n ;
108 if(verboseLevel > 0) 107 if(verboseLevel > 0)
109 G4cout << "### G4VXTRenergyLoss: the numbe << 108 G4cout<<"### G4VXTRenergyLoss: the number of TR radiator plates = "
110 << fPlateNumber << G4endl; << 109 <<fPlateNumber<<G4endl ;
111 if(fPlateNumber == 0) 110 if(fPlateNumber == 0)
112 { 111 {
113 G4Exception("G4VXTRenergyLoss::G4VXTRenerg << 112 G4Exception("G4VXTRenergyLoss: No plates in X-ray TR radiator") ;
114 FatalException, "No plates in <<
115 } 113 }
116 // default is XTR dEdx, not flux after radia 114 // default is XTR dEdx, not flux after radiator
>> 115
117 fExitFlux = false; 116 fExitFlux = false;
118 // default angle distribution according nume << 117 fAngleRadDistr = false;
119 fFastAngle = false; // no angle accordin <<
120 fAngleRadDistr = true; <<
121 fCompton = false; 118 fCompton = false;
122 119
123 fLambda = DBL_MAX; 120 fLambda = DBL_MAX;
124 <<
125 // Mean thicknesses of plates and gas gaps 121 // Mean thicknesses of plates and gas gaps
126 fPlateThick = a; << 122
127 fGasThick = b; << 123 fPlateThick = a ;
128 fTotalDist = fPlateNumber * (fPlateThick + << 124 fGasThick = b ;
>> 125 fTotalDist = fPlateNumber*(fPlateThick+fGasThick) ;
129 if(verboseLevel > 0) 126 if(verboseLevel > 0)
130 G4cout << "total radiator thickness = " << << 127 G4cout<<"total radiator thickness = "<<fTotalDist/cm<<" cm"<<G4endl ;
131 << G4endl; <<
132 128
133 // index of plate material 129 // index of plate material
134 fMatIndex1 = (G4int)foilMat->GetIndex(); << 130 fMatIndex1 = foilMat->GetIndex() ;
135 if(verboseLevel > 0) 131 if(verboseLevel > 0)
136 G4cout << "plate material = " << foilMat-> << 132 G4cout<<"plate material = "<<foilMat->GetName()<<G4endl ;
137 133
138 // index of gas material 134 // index of gas material
139 fMatIndex2 = (G4int)gasMat->GetIndex(); << 135 fMatIndex2 = gasMat->GetIndex() ;
140 if(verboseLevel > 0) 136 if(verboseLevel > 0)
141 G4cout << "gas material = " << gasMat->Get << 137 G4cout<<"gas material = "<<gasMat->GetName()<<G4endl ;
142 138
143 // plasma energy squared for plate material 139 // plasma energy squared for plate material
144 fSigma1 = fPlasmaCof * foilMat->GetElectronD << 140
>> 141 fSigma1 = fPlasmaCof*foilMat->GetElectronDensity() ;
>> 142 // fSigma1 = (20.9*eV)*(20.9*eV) ;
145 if(verboseLevel > 0) 143 if(verboseLevel > 0)
146 G4cout << "plate plasma energy = " << std: << 144 G4cout<<"plate plasma energy = "<<sqrt(fSigma1)/eV<<" eV"<<G4endl ;
147 << G4endl; <<
148 145
149 // plasma energy squared for gas material 146 // plasma energy squared for gas material
150 fSigma2 = fPlasmaCof * gasMat->GetElectronDe << 147
>> 148 fSigma2 = fPlasmaCof*gasMat->GetElectronDensity() ;
151 if(verboseLevel > 0) 149 if(verboseLevel > 0)
152 G4cout << "gas plasma energy = " << std::s << 150 G4cout<<"gas plasma energy = "<<sqrt(fSigma2)/eV<<" eV"<<G4endl ;
153 << G4endl; <<
154 151
155 // Compute cofs for preparation of linear ph 152 // Compute cofs for preparation of linear photo absorption
156 ComputePlatePhotoAbsCof(); << 153
157 ComputeGasPhotoAbsCof(); << 154 ComputePlatePhotoAbsCof() ;
>> 155 ComputeGasPhotoAbsCof() ;
158 156
159 pParticleChange = &fParticleChange; 157 pParticleChange = &fParticleChange;
>> 158
160 } 159 }
161 160
162 ////////////////////////////////////////////// 161 ///////////////////////////////////////////////////////////////////////////
163 G4VXTRenergyLoss::~G4VXTRenergyLoss() <<
164 { <<
165 delete fProtonEnergyVector; <<
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 } <<
183 162
184 void G4VXTRenergyLoss::ProcessDescription(std: << 163 G4VXTRenergyLoss::~G4VXTRenergyLoss()
185 { 164 {
186 out << "Base class for 'fast' parameterisati << 165 if(fEnvelope) delete fEnvelope;
187 "transition\n" <<
188 "radiation. Angular distribution is v <<
189 } 166 }
190 167
191 ////////////////////////////////////////////// 168 ///////////////////////////////////////////////////////////////////////////////
>> 169 //
192 // Returns condition for application of the mo 170 // Returns condition for application of the model depending on particle type
>> 171
>> 172
193 G4bool G4VXTRenergyLoss::IsApplicable(const G4 173 G4bool G4VXTRenergyLoss::IsApplicable(const G4ParticleDefinition& particle)
194 { 174 {
195 return (particle.GetPDGCharge() != 0.0); << 175 return ( particle.GetPDGCharge() != 0.0 ) ;
196 } 176 }
197 177
198 ////////////////////////////////////////////// 178 /////////////////////////////////////////////////////////////////////////////////
>> 179 //
199 // Calculate step size for XTR process inside 180 // Calculate step size for XTR process inside raaditor
200 G4double G4VXTRenergyLoss::GetMeanFreePath(con << 181
201 G4F << 182 G4double G4VXTRenergyLoss::GetMeanFreePath(const G4Track& aTrack,
>> 183 G4double, // previousStepSize,
>> 184 G4ForceCondition* condition)
202 { 185 {
203 G4int iTkin, iPlace; 186 G4int iTkin, iPlace;
204 G4double lambda, sigma, kinEnergy, mass, gam 187 G4double lambda, sigma, kinEnergy, mass, gamma;
205 G4double charge, chargeSq, massRatio, TkinSc 188 G4double charge, chargeSq, massRatio, TkinScaled;
206 G4double E1, E2, W, W1, W2; << 189 G4double E1,E2,W,W1,W2;
207 190
208 *condition = NotForced; 191 *condition = NotForced;
209 << 192
210 if(aTrack.GetVolume()->GetLogicalVolume() != << 193 if( aTrack.GetVolume()->GetLogicalVolume() != fEnvelope ) lambda = DBL_MAX;
211 lambda = DBL_MAX; <<
212 else 194 else
213 { 195 {
214 const G4DynamicParticle* aParticle = aTrac 196 const G4DynamicParticle* aParticle = aTrack.GetDynamicParticle();
215 kinEnergy = aPart << 197 kinEnergy = aParticle->GetKineticEnergy();
216 mass = aParticle->GetDefinition()->GetPDG << 198 mass = aParticle->GetDefinition()->GetPDGMass();
217 gamma = 1.0 + kinEnergy / mass; << 199 gamma = 1.0 + kinEnergy/mass;
218 if(verboseLevel > 1) 200 if(verboseLevel > 1)
219 { 201 {
220 G4cout << " gamma = " << gamma << "; f << 202 G4cout<<" gamma = "<<gamma<<"; fGamma = "<<fGamma<<G4endl;
221 } 203 }
222 204
223 if(std::fabs(gamma - fGamma) < 0.05 * gamm << 205 if ( fabs( gamma - fGamma ) < 0.05*gamma ) lambda = fLambda;
224 lambda = fLambda; <<
225 else 206 else
226 { 207 {
227 charge = aParticle->GetDefinition()- << 208 charge = aParticle->GetDefinition()->GetPDGCharge();
228 chargeSq = charge * charge; << 209 chargeSq = charge*charge;
229 massRatio = proton_mass_c2 / mass; << 210 massRatio = proton_mass_c2/mass;
230 TkinScaled = kinEnergy * massRatio; << 211 TkinScaled = kinEnergy*massRatio;
231 212
232 for(iTkin = 0; iTkin < fTotBin; ++iTkin) << 213 for(iTkin = 0; iTkin < fTotBin; iTkin++)
233 { 214 {
234 if(TkinScaled < fProtonEnergyVector->G << 215 if( TkinScaled < fProtonEnergyVector->GetLowEdgeEnergy(iTkin)) break ;
235 break; <<
236 } 216 }
237 iPlace = iTkin - 1; << 217 iPlace = iTkin - 1 ;
238 218
239 if(iTkin == 0) << 219 if(iTkin == 0) lambda = DBL_MAX; // Tkin is too small, neglect of TR photon generation
240 lambda = DBL_MAX; // Tkin is too smal << 220 else // general case: Tkin between two vectors of the material
241 else // general case: Tkin between two <<
242 { 221 {
243 if(iTkin == fTotBin) << 222 if(iTkin == fTotBin)
244 { 223 {
245 sigma = (*(*fEnergyDistrTable)(iPlac << 224 sigma = (*(*fEnergyDistrTable)(iPlace))(0)*chargeSq;
246 } 225 }
247 else 226 else
248 { 227 {
249 E1 = fProtonEnergyVector->GetLowE << 228 E1 = fProtonEnergyVector->GetLowEdgeEnergy(iTkin - 1) ;
250 E2 = fProtonEnergyVector->GetLowE << 229 E2 = fProtonEnergyVector->GetLowEdgeEnergy(iTkin) ;
251 W = 1.0 / (E2 - E1); << 230 W = 1.0/(E2 - E1) ;
252 W1 = (E2 - TkinScaled) * W; << 231 W1 = (E2 - TkinScaled)*W ;
253 W2 = (TkinScaled - E1) * W; << 232 W2 = (TkinScaled - E1)*W ;
254 sigma = ((*(*fEnergyDistrTable)(iPla << 233 sigma = ( (*(*fEnergyDistrTable)(iPlace ))(0)*W1 +
255 (*(*fEnergyDistrTable)(iPla << 234 (*(*fEnergyDistrTable)(iPlace+1))(0)*W2 )*chargeSq;
256 chargeSq; << 235
257 } 236 }
258 if(sigma < DBL_MIN) << 237 if (sigma < DBL_MIN) lambda = DBL_MAX;
259 lambda = DBL_MAX; << 238 else lambda = 1./sigma;
260 else <<
261 lambda = 1. / sigma; <<
262 fLambda = lambda; 239 fLambda = lambda;
263 fGamma = gamma; << 240 fGamma = gamma;
264 if(verboseLevel > 1) 241 if(verboseLevel > 1)
265 { 242 {
266 G4cout << " lambda = " << lambda / m << 243 G4cout<<" lambda = "<<lambda/mm<<" mm"<<G4endl;
267 } 244 }
268 } 245 }
269 } 246 }
270 } << 247 }
271 return lambda; 248 return lambda;
272 } 249 }
273 250
274 ////////////////////////////////////////////// 251 //////////////////////////////////////////////////////////////////////////
>> 252 //
275 // Interface for build table from physics list 253 // Interface for build table from physics list
>> 254
276 void G4VXTRenergyLoss::BuildPhysicsTable(const 255 void G4VXTRenergyLoss::BuildPhysicsTable(const G4ParticleDefinition& pd)
277 { 256 {
278 if(pd.GetPDGCharge() == 0.) << 257 if(pd.GetPDGCharge() == 0.)
279 { 258 {
280 G4Exception("G4VXTRenergyLoss::BuildPhysic << 259 G4Exception("G4VXTRenergyLoss::BuildPhysicsTable", "Notification", JustWarning,
281 JustWarning, "XTR initialisati << 260 "XTR initialisation for neutral particle ?!" );
282 } 261 }
283 BuildEnergyTable(); << 262 BuildTable();
284 << 263 if (fAngleRadDistr)
285 if(fAngleRadDistr) <<
286 { 264 {
287 if(verboseLevel > 0) 265 if(verboseLevel > 0)
288 { << 266 G4cout<<"Build angle distribution according the transparent regular radiator"
289 G4cout << 267 <<G4endl;
290 << "Build angle for energy distributio << 268 BuildAngleTable();
291 << G4endl; <<
292 } <<
293 BuildAngleForEnergyBank(); <<
294 } 269 }
295 } 270 }
296 271
>> 272
297 ////////////////////////////////////////////// 273 //////////////////////////////////////////////////////////////////////////
>> 274 //
298 // Build integral energy distribution of XTR p 275 // Build integral energy distribution of XTR photons
299 void G4VXTRenergyLoss::BuildEnergyTable() << 276
>> 277 void G4VXTRenergyLoss::BuildTable()
300 { 278 {
301 G4int iTkin, iTR, iPlace; 279 G4int iTkin, iTR, iPlace;
302 G4double radiatorCof = 1.0; // for tuning o << 280 G4double radiatorCof = 1.0; // for tuning of XTR yield
303 G4double energySum = 0.0; <<
304 281
305 fEnergyDistrTable = new G4PhysicsTable(fTotB 282 fEnergyDistrTable = new G4PhysicsTable(fTotBin);
306 if(fAngleRadDistr) <<
307 fAngleDistrTable = new G4PhysicsTable(fTot <<
308 283
309 fGammaTkinCut = 0.0; 284 fGammaTkinCut = 0.0;
>> 285
>> 286 // setting of min/max TR energies
>> 287
>> 288 if(fGammaTkinCut > fTheMinEnergyTR) fMinEnergyTR = fGammaTkinCut ;
>> 289 else fMinEnergyTR = fTheMinEnergyTR ;
>> 290
>> 291 if(fGammaTkinCut > fTheMaxEnergyTR) fMaxEnergyTR = 2.0*fGammaTkinCut ;
>> 292 else fMaxEnergyTR = fTheMaxEnergyTR ;
310 293
311 // setting of min/max TR energies << 294 G4cout.precision(4) ;
312 if(fGammaTkinCut > fTheMinEnergyTR) << 295 G4Timer timer ;
313 fMinEnergyTR = fGammaTkinCut; << 296 timer.Start() ;
314 else <<
315 fMinEnergyTR = fTheMinEnergyTR; <<
316 <<
317 if(fGammaTkinCut > fTheMaxEnergyTR) <<
318 fMaxEnergyTR = 2.0 * fGammaTkinCut; <<
319 else <<
320 fMaxEnergyTR = fTheMaxEnergyTR; <<
321 <<
322 G4Integrator<G4VXTRenergyLoss, G4double (G4V <<
323 integral; <<
324 <<
325 G4cout.precision(4); <<
326 G4Timer timer; <<
327 timer.Start(); <<
328 297
329 if(verboseLevel > 0) << 298 if(verboseLevel > 0) {
330 { << 299 G4cout<<G4endl;
331 G4cout << G4endl; << 300 G4cout<<"Lorentz Factor"<<"\t"<<"XTR photon number"<<G4endl;
332 G4cout << "Lorentz Factor" << 301 G4cout<<G4endl;
333 << "\t" <<
334 << "XTR photon number" << G4endl; <<
335 G4cout << G4endl; <<
336 } 302 }
337 for(iTkin = 0; iTkin < fTotBin; ++iTkin) // << 303 for( iTkin = 0 ; iTkin < fTotBin ; iTkin++ ) // Lorentz factor loop
338 { 304 {
339 auto energyVector = << 305 G4PhysicsLogVector* energyVector = new G4PhysicsLogVector( fMinEnergyTR,
340 new G4PhysicsLogVector(fMinEnergyTR, fMa << 306 fMaxEnergyTR,
>> 307 fBinTR ) ;
341 308
342 fGamma = << 309 fGamma = 1.0 + (fProtonEnergyVector->
343 1.0 + (fProtonEnergyVector->GetLowEdgeEn << 310 GetLowEdgeEnergy(iTkin)/proton_mass_c2) ;
344 311
345 // if(fMaxThetaTR > fTheMaxAngle) fMax << 312 fMaxThetaTR = 25.0/(fGamma*fGamma) ; // theta^2
346 // else if(fMaxThetaTR < fTheMinAngle) <<
347 313
348 energySum = 0.0; << 314 fTheMinAngle = 1.0e-3 ; // was 5.e-6, e-6 !!!, e-5, e-4
>> 315
>> 316 if( fMaxThetaTR > fTheMaxAngle ) fMaxThetaTR = fTheMaxAngle;
>> 317 else
>> 318 {
>> 319 if( fMaxThetaTR < fTheMinAngle ) fMaxThetaTR = fTheMinAngle;
>> 320 }
>> 321 G4PhysicsLinearVector* angleVector = new G4PhysicsLinearVector(0.0,
>> 322 fMaxThetaTR,
>> 323 fBinTR );
349 324
350 energyVector->PutValue(fBinTR - 1, energyS << 325 G4double energySum = 0.0;
>> 326 G4double angleSum = 0.0;
351 327
352 for(iTR = fBinTR - 2; iTR >= 0; --iTR) << 328 G4Integrator<G4VXTRenergyLoss,G4double(G4VXTRenergyLoss::*)(G4double)> integral;
353 { <<
354 // Legendre96 or Legendre10 <<
355 329
356 energySum += radiatorCof * fCofTR * << 330 energyVector->PutValue(fBinTR-1,energySum);
357 << 331 angleVector->PutValue(fBinTR-1,angleSum);
358 // integral.Legendre10(this, &G4VXTRenergyLo <<
359 <<
360 integral.Legendre96(this, & <<
361 <<
362 energyV <<
363 energyV <<
364 332
365 energyVector->PutValue(iTR, energySum / << 333 for( iTR = fBinTR - 2 ; iTR >= 0 ; iTR-- )
366 } << 334 {
367 iPlace = iTkin; << 335 energySum += radiatorCof*fCofTR*integral.Legendre10(
368 fEnergyDistrTable->insertAt(iPlace, energy << 336 this,&G4VXTRenergyLoss::SpectralXTRdEdx,
>> 337 energyVector->GetLowEdgeEnergy(iTR),
>> 338 energyVector->GetLowEdgeEnergy(iTR+1) );
>> 339
>> 340 // angleSum += fCofTR*integral.Legendre96(
>> 341 // this,&G4VXTRenergyLoss::AngleXTRdEdx,
>> 342 // angleVector->GetLowEdgeEnergy(iTR),
>> 343 // angleVector->GetLowEdgeEnergy(iTR+1) );
369 344
>> 345 energyVector->PutValue(iTR,energySum/fTotalDist);
>> 346 // angleVector ->PutValue(iTR,angleSum);
>> 347 }
370 if(verboseLevel > 0) 348 if(verboseLevel > 0)
371 { << 349 {
372 G4cout << fGamma << "\t" << energySum << << 350 G4cout
373 } << 351 // <<iTkin<<"\t"
374 } << 352 // <<"fGamma = "
>> 353 <<fGamma<<"\t" // <<" fMaxThetaTR = "<<fMaxThetaTR
>> 354 // <<"sumN = "
>> 355 <<energySum // <<" ; sumA = "<<angleSum
>> 356 <<G4endl;
>> 357 }
>> 358 iPlace = iTkin;
>> 359 fEnergyDistrTable->insertAt(iPlace,energyVector);
>> 360 // fAngleDistrTable->insertAt(iPlace,angleVector);
>> 361 }
375 timer.Stop(); 362 timer.Stop();
376 G4cout.precision(6); 363 G4cout.precision(6);
377 if(verboseLevel > 0) << 364 if(verboseLevel > 0) {
378 { << 365 G4cout<<G4endl;
379 G4cout << G4endl; << 366 G4cout<<"total time for build X-ray TR energy loss tables = "
380 G4cout << "total time for build X-ray TR e << 367 <<timer.GetUserElapsed()<<" s"<<G4endl;
381 << timer.GetUserElapsed() << " s" < <<
382 } 368 }
383 fGamma = 0.; 369 fGamma = 0.;
384 return; << 370 return ;
385 } 371 }
386 372
387 ////////////////////////////////////////////// 373 //////////////////////////////////////////////////////////////////////////
388 // Bank of angle distributions for given energ << 374 //
>> 375 //
389 376
390 void G4VXTRenergyLoss::BuildAngleForEnergyBank << 377 void G4VXTRenergyLoss::BuildEnergyTable()
391 { 378 {
392 <<
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 } 379 }
477 380
478 ////////////////////////////////////////////// 381 ////////////////////////////////////////////////////////////////////////
479 // Build XTR angular distribution at given ene << 382 //
>> 383 // Build XTR angular distribution at given energy based on the model
480 // of transparent regular radiator 384 // of transparent regular radiator
>> 385
481 void G4VXTRenergyLoss::BuildAngleTable() 386 void G4VXTRenergyLoss::BuildAngleTable()
482 { 387 {
483 G4int iTkin, iTR; 388 G4int iTkin, iTR;
484 G4double energy; << 389 G4double energy;
485 390
486 fGammaTkinCut = 0.0; 391 fGammaTkinCut = 0.0;
487 << 392
488 // setting of min/max TR energies << 393 // setting of min/max TR energies
489 if(fGammaTkinCut > fTheMinEnergyTR) << 394
490 fMinEnergyTR = fGammaTkinCut; << 395 if(fGammaTkinCut > fTheMinEnergyTR) fMinEnergyTR = fGammaTkinCut;
491 else << 396 else fMinEnergyTR = fTheMinEnergyTR;
492 fMinEnergyTR = fTheMinEnergyTR; << 397
493 << 398 if(fGammaTkinCut > fTheMaxEnergyTR) fMaxEnergyTR = 2.0*fGammaTkinCut;
494 if(fGammaTkinCut > fTheMaxEnergyTR) << 399 else fMaxEnergyTR = fTheMaxEnergyTR;
495 fMaxEnergyTR = 2.0 * fGammaTkinCut; <<
496 else <<
497 fMaxEnergyTR = fTheMaxEnergyTR; <<
498 400
499 G4cout.precision(4); 401 G4cout.precision(4);
500 G4Timer timer; 402 G4Timer timer;
501 timer.Start(); 403 timer.Start();
502 if(verboseLevel > 0) << 404 if(verboseLevel > 0) {
503 { << 405 G4cout<<G4endl;
504 G4cout << G4endl << "Lorentz Factor" << "\ << 406 G4cout<<"Lorentz Factor"<<"\t"<<"XTR photon number"<<G4endl;
505 << "XTR photon number" << G4endl << << 407 G4cout<<G4endl;
506 } 408 }
507 for(iTkin = 0; iTkin < fTotBin; ++iTkin) // << 409 for( iTkin = 0 ; iTkin < fTotBin ; iTkin++ ) // Lorentz factor loop
508 { 410 {
509 fGamma = << 411
510 1.0 + (fProtonEnergyVector->GetLowEdgeEn << 412 fGamma = 1.0 + (fProtonEnergyVector->
>> 413 GetLowEdgeEnergy(iTkin)/proton_mass_c2) ;
511 414
512 // fMaxThetaTR = 25. * 2500.0 / (fGamma * << 415 fMaxThetaTR = 25.0/(fGamma*fGamma) ; // theta^2
513 416
514 if(fMaxThetaTR > fTheMaxAngle) << 417 fTheMinAngle = 1.0e-3 ; // was 5.e-6, e-6 !!!, e-5, e-4
515 fMaxThetaTR = fTheMaxAngle; << 418
>> 419 if( fMaxThetaTR > fTheMaxAngle ) fMaxThetaTR = fTheMaxAngle;
516 else 420 else
517 { 421 {
518 if(fMaxThetaTR < fTheMinAngle) << 422 if( fMaxThetaTR < fTheMinAngle ) fMaxThetaTR = fTheMinAngle;
519 fMaxThetaTR = fTheMinAngle; <<
520 } 423 }
521 424
522 fAngleForEnergyTable = new G4PhysicsTable( 425 fAngleForEnergyTable = new G4PhysicsTable(fBinTR);
523 426
524 for(iTR = 0; iTR < fBinTR; ++iTR) << 427 for( iTR = 0; iTR < fBinTR; iTR++ )
525 { 428 {
>> 429 // energy = fMinEnergyTR*(iTR+1);
>> 430
526 energy = fXTREnergyVector->GetLowEdgeEne 431 energy = fXTREnergyVector->GetLowEdgeEnergy(iTR);
527 432
528 G4PhysicsFreeVector* angleVector = GetAn << 433 G4PhysicsFreeVector* angleVector = new G4PhysicsFreeVector(fBinTR);
529 434
530 fAngleForEnergyTable->insertAt(iTR, angl << 435 angleVector = GetAngleVector(energy,fBinTR);
>> 436 // G4cout<<G4endl;
>> 437
>> 438 fAngleForEnergyTable->insertAt(iTR,angleVector) ;
531 } 439 }
532 fAngleBank.push_back(fAngleForEnergyTable) << 440
533 } << 441 fAngleBank.push_back(fAngleForEnergyTable);
>> 442 }
534 timer.Stop(); 443 timer.Stop();
535 G4cout.precision(6); 444 G4cout.precision(6);
536 if(verboseLevel > 0) << 445 if(verboseLevel > 0) {
537 { << 446 G4cout<<G4endl;
538 G4cout << G4endl; << 447 G4cout<<"total time for build XTR angle for given energy tables = "
539 G4cout << "total time for build XTR angle << 448 <<timer.GetUserElapsed()<<" s"<<G4endl;
540 << timer.GetUserElapsed() << " s" < <<
541 } 449 }
542 fGamma = 0.; 450 fGamma = 0.;
543 << 451
544 return; 452 return;
545 } << 453 }
546 454
547 ////////////////////////////////////////////// 455 /////////////////////////////////////////////////////////////////////////
>> 456 //
548 // Vector of angles and angle integral distrib 457 // Vector of angles and angle integral distributions
>> 458
549 G4PhysicsFreeVector* G4VXTRenergyLoss::GetAngl 459 G4PhysicsFreeVector* G4VXTRenergyLoss::GetAngleVector(G4double energy, G4int n)
550 { 460 {
551 G4double theta = 0., result, tmp = 0., cof1, << 461 G4double theta=0., result, tmp=0., cof1, cof2, cofMin, cofPHC, angleSum = 0.;
552 angleSum = 0.; << 462 G4int iTheta, k, kMax, kMin;
553 G4int iTheta, k, kMin; << 463
554 << 464 G4PhysicsFreeVector* angleVector = new G4PhysicsFreeVector(n);
555 auto angleVector = new G4PhysicsFreeVector(n << 465
556 << 466 cofPHC = 4*pi*hbarc;
557 cofPHC = 4. * pi * hbarc; << 467 tmp = (fSigma1 - fSigma2)/cofPHC/energy;
558 tmp = (fSigma1 - fSigma2) / cofPHC / ener << 468 cof1 = fPlateThick*tmp;
559 cof1 = fPlateThick * tmp; << 469 cof2 = fGasThick*tmp;
560 cof2 = fGasThick * tmp; <<
561 470
562 cofMin = energy * (fPlateThick + fGasThick) << 471 cofMin = energy*(fPlateThick + fGasThick)/fGamma/fGamma;
563 cofMin += (fPlateThick * fSigma1 + fGasThick << 472 cofMin += (fPlateThick*fSigma1 + fGasThick*fSigma2)/energy;
564 cofMin /= cofPHC; 473 cofMin /= cofPHC;
565 474
566 kMin = G4int(cofMin); 475 kMin = G4int(cofMin);
567 if(cofMin > kMin) << 476 if (cofMin > kMin) kMin++;
568 kMin++; <<
569 477
>> 478 kMax = kMin + fBinTR -1;
570 if(verboseLevel > 2) 479 if(verboseLevel > 2)
571 { 480 {
572 G4cout << "n-1 = " << n - 1 << 481 G4cout<<"n-1 = "<<n-1<<"; theta = "
573 << "; theta = " << std::sqrt(fMaxTh << 482 <<std::sqrt(fMaxThetaTR)*fGamma<<"; tmp = "
574 << "; tmp = " << 0. << "; angleS << 483 <<0.
>> 484 <<"; angleSum = "<<angleSum<<G4endl;
575 } 485 }
>> 486 angleVector->PutValue(n-1,fMaxThetaTR, angleSum);
576 487
577 for(iTheta = n - 1; iTheta >= 1; --iTheta) << 488 for( iTheta = n - 2 ; iTheta >= 1 ; iTheta-- )
578 { 489 {
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 <<
583 490
584 if(k == kMin && kMin == G4int(cofMin)) << 491 k = iTheta- 1 + kMin;
>> 492
>> 493 tmp = pi*fPlateThick*(k + cof2)/(fPlateThick + fGasThick);
>> 494
>> 495 result = (k - cof1)*(k - cof1)*(k + cof2)*(k + cof2);
>> 496
>> 497 tmp = sin(tmp)*sin(tmp)*abs(k-cofMin)/result;
>> 498
>> 499 if( k == kMin && kMin == G4int(cofMin) )
585 { 500 {
586 // angleSum += 0.5 * tmp; << 501 angleSum += 0.5*tmp; // 0.5*sin(tmp)*sin(tmp)*abs(k-cofMin)/result;
587 angleSum += tmp; // ATLAS TB <<
588 } 502 }
589 else if(iTheta == n - 1) <<
590 ; <<
591 else 503 else
592 { 504 {
593 angleSum += tmp; << 505 angleSum += tmp; // sin(tmp)*sin(tmp)*abs(k-cofMin)/result;
594 } 506 }
595 theta = std::abs(k - cofMin) * cofPHC / en << 507 theta = abs(k-cofMin)*cofPHC/energy/(fPlateThick + fGasThick);
596 <<
597 if(verboseLevel > 2) 508 if(verboseLevel > 2)
598 { 509 {
599 G4cout << "iTheta = " << iTheta << "; k << 510 G4cout<<"iTheta = "<<iTheta<<"; k = "<<k<<"; theta = "
600 << "; theta = " << std::sqrt(thet << 511 <<std::sqrt(theta)*fGamma<<"; tmp = "
601 << "; angleSum = " << angleSum << 512 <<tmp // sin(tmp)*sin(tmp)*abs(k-cofMin)/result
>> 513 <<"; angleSum = "<<angleSum<<G4endl;
602 } 514 }
603 angleVector->PutValue(iTheta, theta, angle << 515 angleVector->PutValue( iTheta, theta, angleSum );
604 } 516 }
605 if(theta > 0.) << 517 if (theta > 0.)
606 { 518 {
607 // angleSum += 0.5 * tmp; << 519 angleSum += 0.5*tmp;
608 angleSum += 0.; // ATLAS TB << 520 theta = 0.;
609 theta = 0.; <<
610 } 521 }
611 if(verboseLevel > 2) 522 if(verboseLevel > 2)
612 { 523 {
613 G4cout << "iTheta = " << iTheta << "; thet << 524 G4cout<<"iTheta = "<<iTheta<<"; theta = "
614 << "; tmp = " << tmp << "; angle << 525 <<std::sqrt(theta)*fGamma<<"; tmp = "
>> 526 <<tmp
>> 527 <<"; angleSum = "<<angleSum<<G4endl;
615 } 528 }
616 angleVector->PutValue(iTheta, theta, angleSu << 529 angleVector->PutValue( iTheta, theta, angleSum );
617 530
618 return angleVector; 531 return angleVector;
619 } 532 }
620 533
621 ////////////////////////////////////////////// 534 ////////////////////////////////////////////////////////////////////////
622 // Build XTR angular distribution based on the << 535 //
623 // radiator << 536 // Build XTR angular distribution based on the model of transparent regular radiator
>> 537
624 void G4VXTRenergyLoss::BuildGlobalAngleTable() 538 void G4VXTRenergyLoss::BuildGlobalAngleTable()
625 { 539 {
626 G4int iTkin, iTR, iPlace; 540 G4int iTkin, iTR, iPlace;
627 G4double radiatorCof = 1.0; // for tuning o << 541 G4double radiatorCof = 1.0; // for tuning of XTR yield
628 G4double angleSum; 542 G4double angleSum;
629 fAngleDistrTable = new G4PhysicsTable(fTotBi 543 fAngleDistrTable = new G4PhysicsTable(fTotBin);
630 544
631 fGammaTkinCut = 0.0; 545 fGammaTkinCut = 0.0;
>> 546
>> 547 // setting of min/max TR energies
>> 548
>> 549 if(fGammaTkinCut > fTheMinEnergyTR) fMinEnergyTR = fGammaTkinCut ;
>> 550 else fMinEnergyTR = fTheMinEnergyTR ;
>> 551
>> 552 if(fGammaTkinCut > fTheMaxEnergyTR) fMaxEnergyTR = 2.0*fGammaTkinCut ;
>> 553 else fMaxEnergyTR = fTheMaxEnergyTR ;
632 554
633 // setting of min/max TR energies << 555 G4cout.precision(4) ;
634 if(fGammaTkinCut > fTheMinEnergyTR) << 556 G4Timer timer ;
635 fMinEnergyTR = fGammaTkinCut; << 557 timer.Start() ;
636 else << 558 if(verboseLevel > 0) {
637 fMinEnergyTR = fTheMinEnergyTR; << 559 G4cout<<G4endl;
638 << 560 G4cout<<"Lorentz Factor"<<"\t"<<"XTR photon number"<<G4endl;
639 if(fGammaTkinCut > fTheMaxEnergyTR) << 561 G4cout<<G4endl;
640 fMaxEnergyTR = 2.0 * fGammaTkinCut; << 562 }
641 else << 563 for( iTkin = 0 ; iTkin < fTotBin ; iTkin++ ) // Lorentz factor loop
642 fMaxEnergyTR = fTheMaxEnergyTR; << 564 {
643 << 565
644 G4cout.precision(4); << 566 fGamma = 1.0 + (fProtonEnergyVector->
645 G4Timer timer; << 567 GetLowEdgeEnergy(iTkin)/proton_mass_c2) ;
646 timer.Start(); <<
647 if(verboseLevel > 0) <<
648 { <<
649 G4cout << G4endl; <<
650 G4cout << "Lorentz Factor" <<
651 << "\t" <<
652 << "XTR photon number" << G4endl; <<
653 G4cout << G4endl; <<
654 } <<
655 for(iTkin = 0; iTkin < fTotBin; ++iTkin) // <<
656 { <<
657 fGamma = <<
658 1.0 + (fProtonEnergyVector->GetLowEdgeEn <<
659 568
660 // fMaxThetaTR = 25.0 / (fGamma * fGamma); << 569 fMaxThetaTR = 25.0/(fGamma*fGamma) ; // theta^2
661 // fMaxThetaTR = 1.e-4; // theta^2 <<
662 570
663 if(fMaxThetaTR > fTheMaxAngle) << 571 fTheMinAngle = 1.0e-3 ; // was 5.e-6, e-6 !!!, e-5, e-4
664 fMaxThetaTR = fTheMaxAngle; << 572
>> 573 if( fMaxThetaTR > fTheMaxAngle ) fMaxThetaTR = fTheMaxAngle;
665 else 574 else
666 { 575 {
667 if(fMaxThetaTR < fTheMinAngle) << 576 if( fMaxThetaTR < fTheMinAngle ) fMaxThetaTR = fTheMinAngle;
668 fMaxThetaTR = fTheMinAngle; <<
669 } 577 }
670 auto angleVector = << 578 G4PhysicsLinearVector* angleVector = new G4PhysicsLinearVector(0.0,
671 // G4PhysicsLogVector* angleVector = << 579 fMaxThetaTR,
672 new G4PhysicsLinearVector(0.0, fMaxTheta << 580 fBinTR );
673 // new G4PhysicsLogVector(1.e-8, fMaxThet <<
674 581
675 angleSum = 0.0; << 582 angleSum = 0.0;
676 583
677 G4Integrator<G4VXTRenergyLoss, G4double (G << 584 G4Integrator<G4VXTRenergyLoss,G4double(G4VXTRenergyLoss::*)(G4double)> integral;
678 integral; <<
679 585
680 angleVector->PutValue(fBinTR - 1, angleSum << 586
>> 587 angleVector->PutValue(fBinTR-1,angleSum);
681 588
682 for(iTR = fBinTR - 2; iTR >= 0; --iTR) << 589 for( iTR = fBinTR - 2 ; iTR >= 0 ; iTR-- )
683 { 590 {
684 angleSum += radiatorCof * fCofTR * <<
685 integral.Legendre96(this, &G <<
686 angleVec <<
687 angleVec <<
688 591
689 angleVector->PutValue(iTR, angleSum); << 592 angleSum += radiatorCof*fCofTR*integral.Legendre96(
>> 593 this,&G4VXTRenergyLoss::AngleXTRdEdx,
>> 594 angleVector->GetLowEdgeEnergy(iTR),
>> 595 angleVector->GetLowEdgeEnergy(iTR+1) );
>> 596
>> 597 angleVector ->PutValue(iTR,angleSum);
690 } 598 }
691 if(verboseLevel > 1) << 599 if(verboseLevel > 1) {
692 { << 600 G4cout
693 G4cout << fGamma << "\t" << angleSum << << 601 // <<iTkin<<"\t"
>> 602 // <<"fGamma = "
>> 603 <<fGamma<<"\t" // <<" fMaxThetaTR = "<<fMaxThetaTR
>> 604 // <<"sumN = "<<energySum // <<" ; sumA = "
>> 605 <<angleSum
>> 606 <<G4endl;
694 } 607 }
695 iPlace = iTkin; 608 iPlace = iTkin;
696 fAngleDistrTable->insertAt(iPlace, angleVe << 609 fAngleDistrTable->insertAt(iPlace,angleVector);
697 } << 610 }
698 timer.Stop(); 611 timer.Stop();
699 G4cout.precision(6); 612 G4cout.precision(6);
700 if(verboseLevel > 0) << 613 if(verboseLevel > 0) {
701 { << 614 G4cout<<G4endl;
702 G4cout << G4endl; << 615 G4cout<<"total time for build X-ray TR angle tables = "
703 G4cout << "total time for build X-ray TR a << 616 <<timer.GetUserElapsed()<<" s"<<G4endl;
704 << timer.GetUserElapsed() << " s" < <<
705 } 617 }
706 fGamma = 0.; 618 fGamma = 0.;
707 << 619
708 return; 620 return;
709 } << 621 }
>> 622
710 623
711 ////////////////////////////////////////////// 624 //////////////////////////////////////////////////////////////////////////////
712 // The main function which is responsible for << 625 //
713 // passage through G4Envelope with discrete ge << 626 // The main function which is responsible for the treatment of a particle passage
714 G4VParticleChange* G4VXTRenergyLoss::PostStepD << 627 // trough G4Envelope with discrete generation of G4Gamma
715 << 628
>> 629 G4VParticleChange* G4VXTRenergyLoss::PostStepDoIt( const G4Track& aTrack,
>> 630 const G4Step& aStep )
716 { 631 {
717 G4int iTkin; << 632 G4int iTkin, iPlace;
718 G4double energyTR, theta, theta2, phi, dirX, << 633 G4double energyTR, theta,theta2, phi, dirX, dirY, dirZ;
>> 634
719 635
720 fParticleChange.Initialize(aTrack); 636 fParticleChange.Initialize(aTrack);
721 637
722 if(verboseLevel > 1) 638 if(verboseLevel > 1)
723 { 639 {
724 G4cout << "Start of G4VXTRenergyLoss::Post << 640 G4cout<<"Start of G4VXTRenergyLoss::PostStepDoIt "<<G4endl ;
725 G4cout << "name of current material = " << 641 G4cout<<"name of current material = "
726 << aTrack.GetVolume()->GetLogicalVo << 642 <<aTrack.GetVolume()->GetLogicalVolume()->GetMaterial()->GetName()<<G4endl ;
727 << G4endl; <<
728 } 643 }
729 if(aTrack.GetVolume()->GetLogicalVolume() != << 644 if( aTrack.GetVolume()->GetLogicalVolume() != fEnvelope )
730 { 645 {
731 if(verboseLevel > 0) 646 if(verboseLevel > 0)
732 { 647 {
733 G4cout << "Go out from G4VXTRenergyLoss: << 648 G4cout<<"Go out from G4VXTRenergyLoss::PostStepDoIt: wrong volume "<<G4endl;
734 << G4endl; <<
735 } 649 }
736 return G4VDiscreteProcess::PostStepDoIt(aT 650 return G4VDiscreteProcess::PostStepDoIt(aTrack, aStep);
737 } 651 }
738 else 652 else
739 { 653 {
740 G4StepPoint* pPostStepPoint = aStep 654 G4StepPoint* pPostStepPoint = aStep.GetPostStepPoint();
741 const G4DynamicParticle* aParticle = aTrac 655 const G4DynamicParticle* aParticle = aTrack.GetDynamicParticle();
742 << 656
743 // Now we are ready to Generate one TR pho 657 // Now we are ready to Generate one TR photon
744 G4double kinEnergy = aParticle->GetKinetic <<
745 G4double mass = aParticle->GetDefinit <<
746 G4double gamma = 1.0 + kinEnergy / mas <<
747 658
748 if(verboseLevel > 1) << 659 G4double kinEnergy = aParticle->GetKineticEnergy() ;
>> 660 G4double mass = aParticle->GetDefinition()->GetPDGMass() ;
>> 661 G4double gamma = 1.0 + kinEnergy/mass ;
>> 662
>> 663 if(verboseLevel > 1 )
749 { 664 {
750 G4cout << "gamma = " << gamma << G4endl; << 665 G4cout<<"gamma = "<<gamma<<G4endl ;
751 } 666 }
752 G4double massRatio = proton_mass << 667 G4double massRatio = proton_mass_c2/mass ;
753 G4double TkinScaled = kinEnergy * << 668 G4double TkinScaled = kinEnergy*massRatio ;
754 G4ThreeVector position = pPostStepPo << 669 G4ThreeVector position = pPostStepPoint->GetPosition();
755 G4ParticleMomentum direction = aParticle-> 670 G4ParticleMomentum direction = aParticle->GetMomentumDirection();
756 G4double startTime = pPostStepPo << 671 G4double startTime = pPostStepPoint->GetGlobalTime();
757 672
758 for(iTkin = 0; iTkin < fTotBin; ++iTkin) << 673 for( iTkin = 0; iTkin < fTotBin; iTkin++ )
759 { 674 {
760 if(TkinScaled < fProtonEnergyVector->Get << 675 if(TkinScaled < fProtonEnergyVector->GetLowEdgeEnergy(iTkin)) break;
761 break; <<
762 } 676 }
>> 677 iPlace = iTkin - 1;
763 678
764 if(iTkin == 0) // Tkin is too small, negl << 679 if(iTkin == 0) // Tkin is too small, neglect of TR photon generation
765 { 680 {
766 if(verboseLevel > 0) << 681 if( verboseLevel > 0)
767 { 682 {
768 G4cout << "Go out from G4VXTRenergyLos << 683 G4cout<<"Go out from G4VXTRenergyLoss::PostStepDoIt:iTkin = "<<iTkin<<G4endl;
769 << G4endl; <<
770 } 684 }
771 return G4VDiscreteProcess::PostStepDoIt( 685 return G4VDiscreteProcess::PostStepDoIt(aTrack, aStep);
772 } << 686 }
773 else // general case: Tkin between two ve << 687 else // general case: Tkin between two vectors of the material
774 { 688 {
775 fParticleChange.SetNumberOfSecondaries(1 689 fParticleChange.SetNumberOfSecondaries(1);
776 690
777 energyTR = GetXTRrandomEnergy(TkinScaled << 691 energyTR = GetXTRrandomEnergy(TkinScaled,iTkin);
778 692
779 if(verboseLevel > 1) << 693 if( verboseLevel > 1)
780 { 694 {
781 G4cout << "energyTR = " << energyTR / << 695 G4cout<<"energyTR = "<<energyTR/keV<<" keV"<<G4endl;
782 } 696 }
783 if(fAngleRadDistr) << 697 if (fAngleRadDistr)
784 { 698 {
785 theta2 = GetRandomAngle(energyTR, iTki << 699 // theta = fabs(G4RandGauss::shoot(0.0,pi/gamma));
786 if(theta2 > 0.) << 700 theta2 = GetRandomAngle(energyTR,iTkin);
787 theta = std::sqrt(theta2); << 701 if(theta2 > 0.) theta = std::sqrt(theta2);
788 else << 702 else theta = theta2;
789 theta = 0.; <<
790 } 703 }
791 else << 704 else theta = fabs(G4RandGauss::shoot(0.0,pi/gamma));
792 theta = std::fabs(G4RandGauss::shoot(0 << 705
>> 706 if( theta >= 0.1 ) theta = 0.1;
793 707
794 if(theta >= 0.1) << 708 // G4cout<<" : theta = "<<theta<<endl ;
795 theta = 0.1; <<
796 709
797 phi = twopi * G4UniformRand(); << 710 phi = twopi*G4UniformRand();
798 711
799 dirX = std::sin(theta) * std::cos(phi); << 712 dirX = sin(theta)*cos(phi);
800 dirY = std::sin(theta) * std::sin(phi); << 713 dirY = sin(theta)*sin(phi);
801 dirZ = std::cos(theta); << 714 dirZ = cos(theta);
802 715
803 G4ThreeVector directionTR(dirX, dirY, di << 716 G4ThreeVector directionTR(dirX,dirY,dirZ);
804 directionTR.rotateUz(direction); 717 directionTR.rotateUz(direction);
805 directionTR.unit(); 718 directionTR.unit();
806 719
807 auto aPhotonTR = << 720 G4DynamicParticle* aPhotonTR = new G4DynamicParticle(G4Gamma::Gamma(),
808 new G4DynamicParticle(G4Gamma::Gamma() << 721 directionTR, energyTR);
809 722
810 // A XTR photon is set on the particle t << 723 // A XTR photon is set on the particle track inside the radiator
811 // and is moved to the G4Envelope surfac 724 // and is moved to the G4Envelope surface for standard X-ray TR models
812 // only. The case of fExitFlux=true 725 // only. The case of fExitFlux=true
813 726
814 if(fExitFlux) << 727 if( fExitFlux )
815 { 728 {
816 const G4RotationMatrix* rotM = << 729 const G4RotationMatrix* rotM = pPostStepPoint->GetTouchable()->GetRotation();
817 pPostStepPoint->GetTouchable()->GetR <<
818 G4ThreeVector transl = pPostStepPoint- 730 G4ThreeVector transl = pPostStepPoint->GetTouchable()->GetTranslation();
819 G4AffineTransform transform = G4Affine << 731 G4AffineTransform transform = G4AffineTransform(rotM,transl);
820 transform.Invert(); 732 transform.Invert();
821 G4ThreeVector localP = transform.Trans 733 G4ThreeVector localP = transform.TransformPoint(position);
822 G4ThreeVector localV = transform.Trans 734 G4ThreeVector localV = transform.TransformAxis(directionTR);
823 735
824 G4double distance = << 736 G4double distance = fEnvelope->GetSolid()->DistanceToOut(localP, localV);
825 fEnvelope->GetSolid()->DistanceToOut <<
826 if(verboseLevel > 1) 737 if(verboseLevel > 1)
827 { 738 {
828 G4cout << "distance to exit = " << d << 739 G4cout<<"distance to exit = "<<distance/mm<<" mm"<<G4endl;
829 } 740 }
830 position += distance * directionTR; << 741 position += distance*directionTR;
831 startTime += distance / c_light; << 742 startTime += distance/c_light;
832 } 743 }
833 G4Track* aSecondaryTrack = new G4Track(a << 744 G4Track* aSecondaryTrack = new G4Track( aPhotonTR,
>> 745 startTime, position );
834 aSecondaryTrack->SetTouchableHandle( 746 aSecondaryTrack->SetTouchableHandle(
835 aStep.GetPostStepPoint()->GetTouchable << 747 aStep.GetPostStepPoint()->GetTouchableHandle());
836 aSecondaryTrack->SetParentID(aTrack.GetT << 748 aSecondaryTrack->SetParentID( aTrack.GetTrackID() );
837 749
838 fParticleChange.AddSecondary(aSecondaryT 750 fParticleChange.AddSecondary(aSecondaryTrack);
839 fParticleChange.ProposeEnergy(kinEnergy) << 751 fParticleChange.ProposeEnergy(kinEnergy);
840 } 752 }
841 } 753 }
842 return G4VDiscreteProcess::PostStepDoIt(aTra 754 return G4VDiscreteProcess::PostStepDoIt(aTrack, aStep);
843 } 755 }
844 756
845 ////////////////////////////////////////////// 757 ///////////////////////////////////////////////////////////////////////
>> 758 //
846 // This function returns the spectral and angl 759 // This function returns the spectral and angle density of TR quanta
847 // in X-ray energy region generated forward wh 760 // in X-ray energy region generated forward when a relativistic
848 // charged particle crosses interface between 761 // charged particle crosses interface between two materials.
849 // The high energy small theta approximation i 762 // The high energy small theta approximation is applied.
850 // (matter1 -> matter2, or 2->1) 763 // (matter1 -> matter2, or 2->1)
851 // varAngle =2* (1 - std::cos(theta)) or appro << 764 // varAngle =2* (1 - cos(theta)) or approximately = theta*theta
852 G4complex G4VXTRenergyLoss::OneInterfaceXTRdEd << 765 //
853 << 766
854 { << 767 G4complex G4VXTRenergyLoss::OneInterfaceXTRdEdx( G4double energy,
855 G4complex Z1 = GetPlateComplexFZ(energy, gam << 768 G4double gamma,
856 G4complex Z2 = GetGasComplexFZ(energy, gamma << 769 G4double varAngle )
>> 770 {
>> 771 G4complex Z1 = GetPlateComplexFZ(energy,gamma,varAngle) ;
>> 772 G4complex Z2 = GetGasComplexFZ(energy,gamma,varAngle) ;
>> 773
>> 774 G4complex zOut = (Z1 - Z2)*(Z1 - Z2)
>> 775 * (varAngle*energy/hbarc/hbarc) ;
>> 776 return zOut ;
857 777
858 G4complex zOut = (Z1 - Z2) * (Z1 - Z2) * (va <<
859 return zOut; <<
860 } 778 }
861 779
>> 780
862 ////////////////////////////////////////////// 781 //////////////////////////////////////////////////////////////////////////////
>> 782 //
863 // For photon energy distribution tables. Inte 783 // For photon energy distribution tables. Integrate first over angle
>> 784 //
>> 785
864 G4double G4VXTRenergyLoss::SpectralAngleXTRdEd 786 G4double G4VXTRenergyLoss::SpectralAngleXTRdEdx(G4double varAngle)
865 { 787 {
866 G4double result = GetStackFactor(fEnergy, fG << 788 G4double result = GetStackFactor(fEnergy,fGamma,varAngle);
867 if(result < 0.0) << 789 if(result < 0.0) result = 0.0;
868 result = 0.0; <<
869 return result; 790 return result;
870 } 791 }
871 792
872 ////////////////////////////////////////////// 793 /////////////////////////////////////////////////////////////////////////
>> 794 //
873 // For second integration over energy 795 // For second integration over energy
>> 796
874 G4double G4VXTRenergyLoss::SpectralXTRdEdx(G4d 797 G4double G4VXTRenergyLoss::SpectralXTRdEdx(G4double energy)
875 { 798 {
876 G4int i; << 799 G4int i, iMax = 8;
877 static constexpr G4int iMax = 8; << 800 G4double result = 0.0;
878 G4double angleSum = 0.0; <<
879 801
880 G4double lim[iMax] = { 0.0, 0.01, 0.02, 0.05 << 802 G4double lim[8] = { 0.0, 0.01, 0.02, 0.05, 0.1, 0.2, 0.5, 1.0 };
881 803
882 for(i = 0; i < iMax; ++i) << 804 for( i = 0; i < iMax; i++ ) lim[i] *= fMaxThetaTR;
883 lim[i] *= fMaxThetaTR; <<
884 805
885 G4Integrator<G4VXTRenergyLoss, G4double (G4V << 806 G4Integrator<G4VXTRenergyLoss,G4double(G4VXTRenergyLoss::*)(G4double)> integral;
886 integral; <<
887 807
888 fEnergy = energy; 808 fEnergy = energy;
>> 809
>> 810 for( i = 0; i < iMax-1; i++ )
889 { 811 {
890 for(i = 0; i < iMax - 1; ++i) << 812 result += integral.Legendre96(this,&G4VXTRenergyLoss::SpectralAngleXTRdEdx,
891 { << 813 lim[i],lim[i+1]);
892 angleSum += integral.Legendre96( << 814 // result += integral.Legendre10(this,&G4VXTRenergyLoss::SpectralAngleXTRdEdx,
893 this, &G4VXTRenergyLoss::SpectralAngle << 815 // lim[i],lim[i+1]);
894 } <<
895 } 816 }
896 return angleSum; <<
897 } <<
898 817
>> 818 return result;
>> 819 }
>> 820
899 ////////////////////////////////////////////// 821 //////////////////////////////////////////////////////////////////////////
>> 822 //
900 // for photon angle distribution tables 823 // for photon angle distribution tables
>> 824 //
>> 825
901 G4double G4VXTRenergyLoss::AngleSpectralXTRdEd 826 G4double G4VXTRenergyLoss::AngleSpectralXTRdEdx(G4double energy)
902 { 827 {
903 G4double result = GetStackFactor(energy, fGa << 828 G4double result = GetStackFactor(energy,fGamma,fVarAngle);
904 if(result < 0) << 829 if(result < 0) result = 0.0;
905 result = 0.0; <<
906 return result; 830 return result;
907 } << 831 }
908 832
909 ////////////////////////////////////////////// 833 ///////////////////////////////////////////////////////////////////////////
>> 834 //
910 // The XTR angular distribution based on trans 835 // The XTR angular distribution based on transparent regular radiator
911 G4double G4VXTRenergyLoss::AngleXTRdEdx(G4doub << 836
>> 837 G4double G4VXTRenergyLoss::AngleXTRdEdx(G4double varAngle)
912 { 838 {
>> 839 // G4cout<<"angle2 = "<<varAngle<<"; fGamma = "<<fGamma<<G4endl;
>> 840
913 G4double result; 841 G4double result;
914 G4double sum = 0., tmp1, tmp2, tmp = 0., cof << 842 G4double sum = 0., tmp1, tmp2, tmp=0., cof1, cof2, cofMin, cofPHC, energy1, energy2;
915 energy2; <<
916 G4int k, kMax, kMin, i; 843 G4int k, kMax, kMin, i;
917 844
918 cofPHC = twopi * hbarc; << 845 cofPHC = twopi*hbarc;
919 846
920 cof1 = (fPlateThick + fGasThick) * (1. / fGa << 847 cof1 = (fPlateThick + fGasThick)*(1./fGamma/fGamma + varAngle);
921 cof2 = fPlateThick * fSigma1 + fGasThick * f << 848 cof2 = fPlateThick*fSigma1 + fGasThick*fSigma2;
922 849
923 cofMin = std::sqrt(cof1 * cof2); << 850 // G4cout<<"cof1 = "<<cof1<<"; cof2 = "<<cof2<<"; cofPHC = "<<cofPHC<<G4endl;
>> 851
>> 852 cofMin = sqrt(cof1*cof2);
924 cofMin /= cofPHC; 853 cofMin /= cofPHC;
925 854
926 kMin = G4int(cofMin); 855 kMin = G4int(cofMin);
927 if(cofMin > kMin) << 856 if (cofMin > kMin) kMin++;
928 kMin++; << 857
>> 858 kMax = kMin + 9; // 9; // kMin + G4int(tmp);
929 859
930 kMax = kMin + 9; << 860 // G4cout<<"cofMin = "<<cofMin<<"; kMin = "<<kMin<<"; kMax = "<<kMax<<G4endl;
931 861
932 for(k = kMin; k <= kMax; ++k) << 862 for( k = kMin; k <= kMax; k++ )
933 { 863 {
934 tmp1 = cofPHC * k; << 864 tmp1 = cofPHC*k;
935 tmp2 = std::sqrt(tmp1 * tmp1 - cof1 * c << 865 tmp2 = sqrt(tmp1*tmp1-cof1*cof2);
936 energy1 = (tmp1 + tmp2) / cof1; << 866 energy1 = (tmp1+tmp2)/cof1;
937 energy2 = (tmp1 - tmp2) / cof1; << 867 energy2 = (tmp1-tmp2)/cof1;
938 868
939 for(i = 0; i < 2; ++i) << 869 for(i = 0; i < 2; i++)
940 { 870 {
941 if(i == 0) << 871 if( i == 0 )
942 { 872 {
943 if(energy1 > fTheMaxEnergyTR || energy << 873 if (energy1 > fTheMaxEnergyTR || energy1 < fTheMinEnergyTR) continue;
944 continue; << 874 tmp1 = ( energy1*energy1*(1./fGamma/fGamma + varAngle) + fSigma1 )
945 << 875 * fPlateThick/(4*hbarc*energy1);
946 tmp1 = << 876 tmp2 = sin(tmp1);
947 (energy1 * energy1 * (1. / fGamma / << 877 tmp = energy1*tmp2*tmp2;
948 fPlateThick / (4 * hbarc * energy1); << 878 tmp2 = fPlateThick/(4*tmp1);
949 tmp2 = std::sin(tmp1); << 879 tmp1 = hbarc*energy1/( energy1*energy1*(1./fGamma/fGamma + varAngle) + fSigma2 );
950 tmp = energy1 * tmp2 * tmp2; << 880 tmp *= (tmp1-tmp2)*(tmp1-tmp2);
951 tmp2 = fPlateThick / (4. * tmp1); << 881 tmp1 = cof1/(4*hbarc) - cof2/(4*hbarc*energy1*energy1);
952 tmp1 = << 882 tmp2 = abs(tmp1);
953 hbarc * energy1 / << 883 if(tmp2 > 0.) tmp /= tmp2;
954 (energy1 * energy1 * (1. / fGamma / << 884 else continue;
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 } 885 }
964 else 886 else
965 { 887 {
966 if(energy2 > fTheMaxEnergyTR || energy << 888 if (energy2 > fTheMaxEnergyTR || energy2 < fTheMinEnergyTR) continue;
967 continue; << 889 tmp1 = ( energy2*energy2*(1./fGamma/fGamma + varAngle) + fSigma1 )
968 << 890 * fPlateThick/(4*hbarc*energy2);
969 tmp1 = << 891 tmp2 = sin(tmp1);
970 (energy2 * energy2 * (1. / fGamma / << 892 tmp = energy2*tmp2*tmp2;
971 fPlateThick / (4. * hbarc * energy2) << 893 tmp2 = fPlateThick/(4*tmp1);
972 tmp2 = std::sin(tmp1); << 894 tmp1 = hbarc*energy2/( energy2*energy2*(1./fGamma/fGamma + varAngle) + fSigma2 );
973 tmp = energy2 * tmp2 * tmp2; << 895 tmp *= (tmp1-tmp2)*(tmp1-tmp2);
974 tmp2 = fPlateThick / (4. * tmp1); << 896 tmp1 = cof1/(4*hbarc) - cof2/(4*hbarc*energy2*energy2);
975 tmp1 = << 897 tmp2 = abs(tmp1);
976 hbarc * energy2 / << 898 if(tmp2 > 0.) tmp /= tmp2;
977 (energy2 * energy2 * (1. / fGamma / << 899 else continue;
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 } 900 }
987 sum += tmp; 901 sum += tmp;
988 } 902 }
>> 903 // G4cout<<"k = "<<k<<"; energy1 = "<<energy1/keV<<" keV; energy2 = "<<energy2/keV
>> 904 // <<" keV; tmp = "<<tmp<<"; sum = "<<sum<<G4endl;
989 } 905 }
990 result = 4. * pi * fPlateNumber * sum * varA << 906 result = 4.*pi*fPlateNumber*sum*varAngle;
991 result /= hbarc * hbarc; << 907 result /= hbarc*hbarc;
992 908
>> 909 // old code based on general numeric integration
>> 910 // fVarAngle = varAngle;
>> 911 // G4Integrator<G4VXTRenergyLoss,G4double(G4VXTRenergyLoss::*)(G4double)> integral;
>> 912 // result = integral.Legendre10(this,&G4VXTRenergyLoss::AngleSpectralXTRdEdx,
>> 913 // fMinEnergyTR,fMaxEnergyTR);
993 return result; 914 return result;
994 } 915 }
995 916
>> 917
>> 918 //////////////////////////////////////////////////////////////////////
>> 919 //////////////////////////////////////////////////////////////////////
996 ////////////////////////////////////////////// 920 //////////////////////////////////////////////////////////////////////
>> 921 //
997 // Calculates formation zone for plates. Omega 922 // Calculates formation zone for plates. Omega is energy !!!
998 G4double G4VXTRenergyLoss::GetPlateFormationZo << 923
999 << 924 G4double G4VXTRenergyLoss::GetPlateFormationZone( G4double omega ,
1000 { << 925 G4double gamma ,
1001 G4double cof, lambda; << 926 G4double varAngle )
1002 lambda = 1.0 / gamma / gamma + varAngle + f << 927 {
1003 cof = 2.0 * hbarc / omega / lambda; << 928 G4double cof, lambda ;
1004 return cof; << 929 lambda = 1.0/gamma/gamma + varAngle + fSigma1/omega/omega ;
>> 930 cof = 2.0*hbarc/omega/lambda ;
>> 931 return cof ;
1005 } 932 }
1006 933
1007 ///////////////////////////////////////////// 934 //////////////////////////////////////////////////////////////////////
>> 935 //
1008 // Calculates complex formation zone for plat 936 // Calculates complex formation zone for plates. Omega is energy !!!
1009 G4complex G4VXTRenergyLoss::GetPlateComplexFZ << 937
1010 << 938 G4complex G4VXTRenergyLoss::GetPlateComplexFZ( G4double omega ,
>> 939 G4double gamma ,
>> 940 G4double varAngle )
1011 { 941 {
1012 G4double cof, length, delta, real_v, image_ << 942 G4double cof, length,delta, real, image ;
1013 943
1014 length = 0.5 * GetPlateFormationZone(omega, << 944 length = 0.5*GetPlateFormationZone(omega,gamma,varAngle) ;
1015 delta = length * GetPlateLinearPhotoAbs(om << 945 delta = length*GetPlateLinearPhotoAbs(omega) ;
1016 cof = 1.0 / (1.0 + delta * delta); << 946 cof = 1.0/(1.0 + delta*delta) ;
1017 947
1018 real_v = length * cof; << 948 real = length*cof ;
1019 image_v = real_v * delta; << 949 image = real*delta ;
1020 950
1021 G4complex zone(real_v, image_v); << 951 G4complex zone(real,image);
1022 return zone; << 952 return zone ;
1023 } 953 }
1024 954
1025 ///////////////////////////////////////////// 955 ////////////////////////////////////////////////////////////////////////
>> 956 //
1026 // Computes matrix of Sandia photo absorption 957 // Computes matrix of Sandia photo absorption cross section coefficients for
1027 // plate material 958 // plate material
1028 void G4VXTRenergyLoss::ComputePlatePhotoAbsCo << 959
>> 960 void G4VXTRenergyLoss::ComputePlatePhotoAbsCof()
1029 { 961 {
1030 const G4MaterialTable* theMaterialTable = G 962 const G4MaterialTable* theMaterialTable = G4Material::GetMaterialTable();
1031 const G4Material* mat = ( << 963 const G4Material* mat = (*theMaterialTable)[fMatIndex1];
1032 fPlatePhotoAbsCof = m << 964 fPlatePhotoAbsCof = mat->GetSandiaTable();
1033 965
1034 return; 966 return;
1035 } 967 }
1036 968
>> 969
>> 970
1037 ///////////////////////////////////////////// 971 //////////////////////////////////////////////////////////////////////
1038 // Returns the value of linear photo absorpti << 972 //
>> 973 // Returns the value of linear photo absorption coefficient (in reciprocal
1039 // length) for plate for given energy of X-ra 974 // length) for plate for given energy of X-ray photon omega
1040 G4double G4VXTRenergyLoss::GetPlateLinearPhot <<
1041 { <<
1042 G4double omega2, omega3, omega4; <<
1043 975
1044 omega2 = omega * omega; << 976 G4double G4VXTRenergyLoss::GetPlateLinearPhotoAbs(G4double omega)
1045 omega3 = omega2 * omega; << 977 {
1046 omega4 = omega2 * omega2; << 978 // G4int i ;
>> 979 G4double omega2, omega3, omega4 ;
1047 980
1048 const G4double* SandiaCof = fPlatePhotoAbsC << 981 omega2 = omega*omega ;
1049 G4double cross = SandiaCof[0] / << 982 omega3 = omega2*omega ;
1050 SandiaCof[2] / omega3 + Sa << 983 omega4 = omega2*omega2 ;
>> 984
>> 985 G4double* SandiaCof = fPlatePhotoAbsCof->GetSandiaCofForMaterial(omega);
>> 986 G4double cross = SandiaCof[0]/omega + SandiaCof[1]/omega2 +
>> 987 SandiaCof[2]/omega3 + SandiaCof[3]/omega4;
1051 return cross; 988 return cross;
1052 } 989 }
1053 990
>> 991
1054 ///////////////////////////////////////////// 992 //////////////////////////////////////////////////////////////////////
>> 993 //
1055 // Calculates formation zone for gas. Omega i 994 // Calculates formation zone for gas. Omega is energy !!!
1056 G4double G4VXTRenergyLoss::GetGasFormationZon << 995
1057 << 996 G4double G4VXTRenergyLoss::GetGasFormationZone( G4double omega ,
1058 { << 997 G4double gamma ,
1059 G4double cof, lambda; << 998 G4double varAngle )
1060 lambda = 1.0 / gamma / gamma + varAngle + f << 999 {
1061 cof = 2.0 * hbarc / omega / lambda; << 1000 G4double cof, lambda ;
1062 return cof; << 1001 lambda = 1.0/gamma/gamma + varAngle + fSigma2/omega/omega ;
>> 1002 cof = 2.0*hbarc/omega/lambda ;
>> 1003 return cof ;
1063 } 1004 }
1064 1005
>> 1006
1065 ///////////////////////////////////////////// 1007 //////////////////////////////////////////////////////////////////////
>> 1008 //
1066 // Calculates complex formation zone for gas 1009 // Calculates complex formation zone for gas gaps. Omega is energy !!!
1067 G4complex G4VXTRenergyLoss::GetGasComplexFZ(G << 1010
1068 G << 1011 G4complex G4VXTRenergyLoss::GetGasComplexFZ( G4double omega ,
>> 1012 G4double gamma ,
>> 1013 G4double varAngle )
1069 { 1014 {
1070 G4double cof, length, delta, real_v, image_ << 1015 G4double cof, length,delta, real, image ;
1071 1016
1072 length = 0.5 * GetGasFormationZone(omega, g << 1017 length = 0.5*GetGasFormationZone(omega,gamma,varAngle) ;
1073 delta = length * GetGasLinearPhotoAbs(omeg << 1018 delta = length*GetGasLinearPhotoAbs(omega) ;
1074 cof = 1.0 / (1.0 + delta * delta); << 1019 cof = 1.0/(1.0 + delta*delta) ;
1075 1020
1076 real_v = length * cof; << 1021 real = length*cof ;
1077 image_v = real_v * delta; << 1022 image = real*delta ;
1078 1023
1079 G4complex zone(real_v, image_v); << 1024 G4complex zone(real,image);
1080 return zone; << 1025 return zone ;
1081 } 1026 }
1082 1027
>> 1028
>> 1029
1083 ///////////////////////////////////////////// 1030 ////////////////////////////////////////////////////////////////////////
>> 1031 //
1084 // Computes matrix of Sandia photo absorption 1032 // Computes matrix of Sandia photo absorption cross section coefficients for
1085 // gas material 1033 // gas material
1086 void G4VXTRenergyLoss::ComputeGasPhotoAbsCof( << 1034
>> 1035 void G4VXTRenergyLoss::ComputeGasPhotoAbsCof()
1087 { 1036 {
1088 const G4MaterialTable* theMaterialTable = G 1037 const G4MaterialTable* theMaterialTable = G4Material::GetMaterialTable();
1089 const G4Material* mat = ( << 1038 const G4Material* mat = (*theMaterialTable)[fMatIndex2];
1090 fGasPhotoAbsCof = m << 1039 fGasPhotoAbsCof = mat->GetSandiaTable();
1091 return; 1040 return;
1092 } 1041 }
1093 1042
1094 ///////////////////////////////////////////// 1043 //////////////////////////////////////////////////////////////////////
1095 // Returns the value of linear photo absorpti << 1044 //
>> 1045 // Returns the value of linear photo absorption coefficient (in reciprocal
1096 // length) for gas 1046 // length) for gas
1097 G4double G4VXTRenergyLoss::GetGasLinearPhotoA << 1047
>> 1048 G4double G4VXTRenergyLoss::GetGasLinearPhotoAbs(G4double omega)
1098 { 1049 {
1099 G4double omega2, omega3, omega4; << 1050 G4double omega2, omega3, omega4 ;
1100 1051
1101 omega2 = omega * omega; << 1052 omega2 = omega*omega ;
1102 omega3 = omega2 * omega; << 1053 omega3 = omega2*omega ;
1103 omega4 = omega2 * omega2; << 1054 omega4 = omega2*omega2 ;
1104 1055
1105 const G4double* SandiaCof = fGasPhotoAbsCof << 1056 G4double* SandiaCof = fGasPhotoAbsCof->GetSandiaCofForMaterial(omega);
1106 G4double cross = SandiaCof[0] / << 1057 G4double cross = SandiaCof[0]/omega + SandiaCof[1]/omega2 +
1107 SandiaCof[2] / omega3 + Sa << 1058 SandiaCof[2]/omega3 + SandiaCof[3]/omega4;
1108 return cross; 1059 return cross;
>> 1060
1109 } 1061 }
1110 1062
1111 ///////////////////////////////////////////// 1063 //////////////////////////////////////////////////////////////////////
1112 // Calculates the product of linear cof by fo << 1064 //
>> 1065 // Calculates the product of linear cof by formation zone for plate.
1113 // Omega is energy !!! 1066 // Omega is energy !!!
1114 G4double G4VXTRenergyLoss::GetPlateZmuProduct << 1067
1115 << 1068 G4double G4VXTRenergyLoss::GetPlateZmuProduct( G4double omega ,
>> 1069 G4double gamma ,
>> 1070 G4double varAngle )
1116 { 1071 {
1117 return GetPlateFormationZone(omega, gamma, << 1072 return GetPlateFormationZone(omega,gamma,varAngle)
1118 GetPlateLinearPhotoAbs(omega); << 1073 * GetPlateLinearPhotoAbs(omega) ;
1119 } 1074 }
1120 ///////////////////////////////////////////// 1075 //////////////////////////////////////////////////////////////////////
1121 // Calculates the product of linear cof by fo << 1076 //
>> 1077 // Calculates the product of linear cof by formation zone for plate.
1122 // G4cout and output in file in some energy r 1078 // G4cout and output in file in some energy range.
1123 void G4VXTRenergyLoss::GetPlateZmuProduct() << 1079
>> 1080 void G4VXTRenergyLoss::GetPlateZmuProduct()
1124 { 1081 {
1125 std::ofstream outPlate("plateZmu.dat", std: << 1082 ofstream outPlate("plateZmu.dat", ios::out ) ;
1126 outPlate.setf(std::ios::scientific, std::io << 1083 outPlate.setf( ios::scientific, ios::floatfield );
1127 1084
1128 G4int i; << 1085 G4int i ;
1129 G4double omega, varAngle, gamma; << 1086 G4double omega, varAngle, gamma ;
1130 gamma = 10000.; << 1087 gamma = 10000. ;
1131 varAngle = 1 / gamma / gamma; << 1088 varAngle = 1/gamma/gamma ;
1132 if(verboseLevel > 0) 1089 if(verboseLevel > 0)
1133 G4cout << "energy, keV" << "\t" << "Zmu f << 1090 G4cout<<"energy, keV"<<"\t"<<"Zmu for plate"<<G4endl ;
1134 for(i = 0; i < 100; ++i) << 1091 for(i=0;i<100;i++)
1135 { 1092 {
1136 omega = (1.0 + i) * keV; << 1093 omega = (1.0 + i)*keV ;
1137 if(verboseLevel > 1) 1094 if(verboseLevel > 1)
1138 G4cout << omega / keV << "\t" << 1095 G4cout<<omega/keV<<"\t"<<GetPlateZmuProduct(omega,gamma,varAngle)<<"\t";
1139 << GetPlateZmuProduct(omega, gam <<
1140 if(verboseLevel > 0) 1096 if(verboseLevel > 0)
1141 outPlate << omega / keV << "\t\t" << 1097 outPlate<<omega/keV<<"\t\t"<<GetPlateZmuProduct(omega,gamma,varAngle)<<G4endl ;
1142 << GetPlateZmuProduct(omega, g <<
1143 } 1098 }
1144 return; << 1099 return ;
1145 } 1100 }
1146 1101
1147 ///////////////////////////////////////////// 1102 //////////////////////////////////////////////////////////////////////
1148 // Calculates the product of linear cof by fo << 1103 //
>> 1104 // Calculates the product of linear cof by formation zone for gas.
1149 // Omega is energy !!! 1105 // Omega is energy !!!
1150 G4double G4VXTRenergyLoss::GetGasZmuProduct(G << 1106
1151 G << 1107 G4double G4VXTRenergyLoss::GetGasZmuProduct( G4double omega ,
>> 1108 G4double gamma ,
>> 1109 G4double varAngle )
1152 { 1110 {
1153 return GetGasFormationZone(omega, gamma, va << 1111 return GetGasFormationZone(omega,gamma,varAngle)*GetGasLinearPhotoAbs(omega) ;
1154 GetGasLinearPhotoAbs(omega); <<
1155 } 1112 }
1156 <<
1157 ///////////////////////////////////////////// 1113 //////////////////////////////////////////////////////////////////////
1158 // Calculates the product of linear cof by fo << 1114 //
>> 1115 // Calculates the product of linear cof byformation zone for gas.
1159 // G4cout and output in file in some energy r 1116 // G4cout and output in file in some energy range.
1160 void G4VXTRenergyLoss::GetGasZmuProduct() << 1117
>> 1118 void G4VXTRenergyLoss::GetGasZmuProduct()
1161 { 1119 {
1162 std::ofstream outGas("gasZmu.dat", std::ios << 1120 ofstream outGas("gasZmu.dat", ios::out ) ;
1163 outGas.setf(std::ios::scientific, std::ios: << 1121 outGas.setf( ios::scientific, ios::floatfield );
1164 G4int i; << 1122 G4int i ;
1165 G4double omega, varAngle, gamma; << 1123 G4double omega, varAngle, gamma ;
1166 gamma = 10000.; << 1124 gamma = 10000. ;
1167 varAngle = 1 / gamma / gamma; << 1125 varAngle = 1/gamma/gamma ;
1168 if(verboseLevel > 0) 1126 if(verboseLevel > 0)
1169 G4cout << "energy, keV" << "\t" << "Zmu f << 1127 G4cout<<"energy, keV"<<"\t"<<"Zmu for gas"<<G4endl ;
1170 for(i = 0; i < 100; ++i) << 1128 for(i=0;i<100;i++)
1171 { 1129 {
1172 omega = (1.0 + i) * keV; << 1130 omega = (1.0 + i)*keV ;
1173 if(verboseLevel > 1) 1131 if(verboseLevel > 1)
1174 G4cout << omega / keV << "\t" << GetGas << 1132 G4cout<<omega/keV<<"\t"<<GetGasZmuProduct(omega,gamma,varAngle)<<"\t" ;
1175 << "\t"; <<
1176 if(verboseLevel > 0) 1133 if(verboseLevel > 0)
1177 outGas << omega / keV << "\t\t" << 1134 outGas<<omega/keV<<"\t\t"<<GetGasZmuProduct(omega,gamma,varAngle)<<G4endl ;
1178 << GetGasZmuProduct(omega, gamma <<
1179 } 1135 }
1180 return; << 1136 return ;
1181 } 1137 }
1182 1138
1183 ///////////////////////////////////////////// 1139 ////////////////////////////////////////////////////////////////////////
>> 1140 //
1184 // Computes Compton cross section for plate m 1141 // Computes Compton cross section for plate material in 1/mm
1185 G4double G4VXTRenergyLoss::GetPlateCompton(G4 << 1142
>> 1143 G4double G4VXTRenergyLoss::GetPlateCompton(G4double omega)
1186 { 1144 {
1187 G4int i, numberOfElements; 1145 G4int i, numberOfElements;
1188 G4double xSection = 0., nowZ, sumZ = 0.; 1146 G4double xSection = 0., nowZ, sumZ = 0.;
1189 1147
1190 const G4MaterialTable* theMaterialTable = G 1148 const G4MaterialTable* theMaterialTable = G4Material::GetMaterialTable();
1191 numberOfElements = (G4int)(*theMaterialTabl << 1149 numberOfElements = (*theMaterialTable)[fMatIndex1]->GetNumberOfElements() ;
1192 1150
1193 for(i = 0; i < numberOfElements; ++i) << 1151 for( i = 0; i < numberOfElements; i++ )
1194 { 1152 {
1195 nowZ = (*theMaterialTable)[fMatIndex1]->G << 1153 nowZ = (*theMaterialTable)[fMatIndex1]->GetElement(i)->GetZ();
1196 sumZ += nowZ; << 1154 sumZ += nowZ;
1197 xSection += GetComptonPerAtom(omega, nowZ << 1155 xSection += GetComptonPerAtom(omega,nowZ); // *nowZ;
1198 } 1156 }
1199 xSection /= sumZ; 1157 xSection /= sumZ;
1200 xSection *= (*theMaterialTable)[fMatIndex1] 1158 xSection *= (*theMaterialTable)[fMatIndex1]->GetElectronDensity();
1201 return xSection; 1159 return xSection;
1202 } 1160 }
1203 1161
>> 1162
1204 ///////////////////////////////////////////// 1163 ////////////////////////////////////////////////////////////////////////
>> 1164 //
1205 // Computes Compton cross section for gas mat 1165 // Computes Compton cross section for gas material in 1/mm
1206 G4double G4VXTRenergyLoss::GetGasCompton(G4do << 1166
>> 1167 G4double G4VXTRenergyLoss::GetGasCompton(G4double omega)
1207 { 1168 {
1208 G4double xSection = 0., sumZ = 0.; << 1169 G4int i, numberOfElements;
>> 1170 G4double xSection = 0., nowZ, sumZ = 0.;
1209 1171
1210 const G4MaterialTable* theMaterialTable = G 1172 const G4MaterialTable* theMaterialTable = G4Material::GetMaterialTable();
1211 G4int numberOfElements = (G4int)(*theMateri << 1173 numberOfElements = (*theMaterialTable)[fMatIndex2]->GetNumberOfElements() ;
1212 1174
1213 for (G4int i = 0; i < numberOfElements; ++i << 1175 for( i = 0; i < numberOfElements; i++ )
1214 { 1176 {
1215 G4double nowZ = (*theMaterialTable)[fMatI << 1177 nowZ = (*theMaterialTable)[fMatIndex2]->GetElement(i)->GetZ();
1216 sumZ += nowZ; << 1178 sumZ += nowZ;
1217 xSection += GetComptonPerAtom(omega, nowZ << 1179 xSection += GetComptonPerAtom(omega,nowZ); // *nowZ;
1218 } 1180 }
1219 if (sumZ > 0.0) { xSection /= sumZ; } << 1181 xSection /= sumZ;
1220 xSection *= (*theMaterialTable)[fMatIndex2] 1182 xSection *= (*theMaterialTable)[fMatIndex2]->GetElectronDensity();
1221 return xSection; 1183 return xSection;
1222 } 1184 }
1223 1185
1224 ///////////////////////////////////////////// 1186 ////////////////////////////////////////////////////////////////////////
>> 1187 //
1225 // Computes Compton cross section per atom wi 1188 // Computes Compton cross section per atom with Z electrons for gamma with
1226 // the energy GammaEnergy 1189 // the energy GammaEnergy
1227 G4double G4VXTRenergyLoss::GetComptonPerAtom( << 1190
>> 1191 G4double G4VXTRenergyLoss::GetComptonPerAtom(G4double GammaEnergy, G4double Z)
1228 { 1192 {
1229 G4double CrossSection = 0.0; << 1193 G4double CrossSection = 0.0 ;
1230 if(Z < 0.9999) << 1194 if ( Z < 0.9999 ) return CrossSection;
1231 return CrossSection; << 1195 if ( GammaEnergy < 0.1*keV ) return CrossSection;
1232 if(GammaEnergy < 0.1 * keV) << 1196 if ( GammaEnergy > (100.*GeV/Z) ) return CrossSection;
1233 return CrossSection; << 1197
1234 if(GammaEnergy > (100. * GeV / Z)) << 1198 static const G4double a = 20.0 , b = 230.0 , c = 440.0;
1235 return CrossSection; << 1199
1236 << 1200 static const G4double
1237 static constexpr G4double a = 20.0; << 1201 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; << 1202 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; << 1203 f1=-3.9178e-7*barn, f2= 6.8241e-5*barn, f3= 6.0480e-5*barn, f4= 3.0274e-4*barn;
1240 << 1204
1241 static constexpr G4double d1 = 2.7965e-1 * << 1205 G4double p1Z = Z*(d1 + e1*Z + f1*Z*Z), p2Z = Z*(d2 + e2*Z + f2*Z*Z),
1242 d3 = 6.7527 * bar << 1206 p3Z = Z*(d3 + e3*Z + f3*Z*Z), p4Z = Z*(d4 + e4*Z + f4*Z*Z);
1243 e1 = 1.9756e-5 * << 1207
1244 e3 = -7.3913e-2 * << 1208 G4double T0 = 15.0*keV;
1245 f1 = -3.9178e-7 * << 1209 if (Z < 1.5) T0 = 40.0*keV;
1246 f3 = 6.0480e-5 * << 1210
1247 << 1211 G4double X = max(GammaEnergy, T0) / electron_mass_c2;
1248 G4double p1Z = Z * (d1 + e1 * Z + f1 * Z * << 1212 CrossSection = p1Z*std::log(1.+2.*X)/X
1249 G4double p2Z = Z * (d2 + e2 * Z + f2 * Z * << 1213 + (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 1214
1262 // modification for low energy. (special c 1215 // modification for low energy. (special case for Hydrogen)
1263 if(GammaEnergy < T0) << 1216
>> 1217 if (GammaEnergy < T0)
1264 { 1218 {
1265 G4double dT0 = 1. * keV; << 1219 G4double dT0 = 1.*keV;
1266 X = (T0 + dT0) / electron_mass << 1220 X = (T0+dT0) / electron_mass_c2 ;
1267 G4double sigma = << 1221 G4double sigma = p1Z*log(1.+2*X)/X
1268 p1Z * std::log(1. + 2. * X) / X + << 1222 + (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 << 1223 G4double c1 = -T0*(sigma-CrossSection)/(CrossSection*dT0);
1270 G4double c1 = -T0 * (sigma - CrossSection << 1224 G4double c2 = 0.150;
1271 G4double c2 = 0.150; << 1225 if (Z > 1.5) c2 = 0.375-0.0556*log(Z);
1272 if(Z > 1.5) << 1226 G4double y = log(GammaEnergy/T0);
1273 c2 = 0.375 - 0.0556 * std::log(Z); << 1227 CrossSection *= exp(-y*(c1+c2*y));
1274 G4double y = std::log(GammaEnergy / T0); <<
1275 CrossSection *= std::exp(-y * (c1 + c2 * <<
1276 } 1228 }
1277 return CrossSection; << 1229 // G4cout << "e= " << GammaEnergy << " Z= " << Z << " cross= " << CrossSection << G4endl;
>> 1230 return CrossSection;
1278 } 1231 }
1279 1232
>> 1233
1280 ///////////////////////////////////////////// 1234 ///////////////////////////////////////////////////////////////////////
>> 1235 //
1281 // This function returns the spectral and ang 1236 // This function returns the spectral and angle density of TR quanta
1282 // in X-ray energy region generated forward w 1237 // in X-ray energy region generated forward when a relativistic
1283 // charged particle crosses interface between 1238 // charged particle crosses interface between two materials.
1284 // The high energy small theta approximation 1239 // The high energy small theta approximation is applied.
1285 // (matter1 -> matter2, or 2->1) 1240 // (matter1 -> matter2, or 2->1)
1286 // varAngle =2* (1 - std::cos(theta)) or appr << 1241 // varAngle =2* (1 - cos(theta)) or approximately = theta*theta
1287 G4double G4VXTRenergyLoss::OneBoundaryXTRNden << 1242 //
1288 << 1243
1289 << 1244 G4double
1290 { << 1245 G4VXTRenergyLoss::OneBoundaryXTRNdensity( G4double energy,G4double gamma,
1291 G4double formationLength1, formationLength2 << 1246 G4double varAngle ) const
1292 formationLength1 = << 1247 {
1293 1.0 / (1.0 / (gamma * gamma) + fSigma1 / << 1248 G4double formationLength1, formationLength2 ;
1294 formationLength2 = << 1249 formationLength1 = 1.0/
1295 1.0 / (1.0 / (gamma * gamma) + fSigma2 / << 1250 (1.0/(gamma*gamma)
1296 return (varAngle / energy) * (formationLeng << 1251 + fSigma1/(energy*energy)
1297 (formationLength1 - formationLength2 << 1252 + varAngle) ;
>> 1253 formationLength2 = 1.0/
>> 1254 (1.0/(gamma*gamma)
>> 1255 + fSigma2/(energy*energy)
>> 1256 + varAngle) ;
>> 1257 return (varAngle/energy)*(formationLength1 - formationLength2)
>> 1258 *(formationLength1 - formationLength2) ;
>> 1259
1298 } 1260 }
1299 1261
1300 G4double G4VXTRenergyLoss::GetStackFactor(G4d << 1262 G4double G4VXTRenergyLoss::GetStackFactor( G4double energy, G4double gamma,
1301 G4d << 1263 G4double varAngle )
1302 { 1264 {
1303 // return stack factor corresponding to one 1265 // return stack factor corresponding to one interface
1304 return std::real(OneInterfaceXTRdEdx(energy << 1266
>> 1267 return std::real( OneInterfaceXTRdEdx(energy,gamma,varAngle) );
1305 } 1268 }
1306 1269
1307 ///////////////////////////////////////////// 1270 //////////////////////////////////////////////////////////////////////////////
>> 1271 //
1308 // For photon energy distribution tables. Int 1272 // For photon energy distribution tables. Integrate first over angle
>> 1273 //
>> 1274
1309 G4double G4VXTRenergyLoss::XTRNSpectralAngleD 1275 G4double G4VXTRenergyLoss::XTRNSpectralAngleDensity(G4double varAngle)
1310 { 1276 {
1311 return OneBoundaryXTRNdensity(fEnergy, fGam << 1277 return OneBoundaryXTRNdensity(fEnergy,fGamma,varAngle)*
1312 GetStackFactor(fEnergy, fGamma, varA << 1278 GetStackFactor(fEnergy,fGamma,varAngle) ;
1313 } 1279 }
1314 1280
1315 ///////////////////////////////////////////// 1281 /////////////////////////////////////////////////////////////////////////
>> 1282 //
1316 // For second integration over energy 1283 // For second integration over energy
>> 1284
1317 G4double G4VXTRenergyLoss::XTRNSpectralDensit 1285 G4double G4VXTRenergyLoss::XTRNSpectralDensity(G4double energy)
1318 { 1286 {
1319 fEnergy = energy; << 1287 fEnergy = energy ;
1320 G4Integrator<G4VXTRenergyLoss, G4double (G4 << 1288 G4Integrator<G4VXTRenergyLoss,G4double(G4VXTRenergyLoss::*)(G4double)> integral ;
1321 integral; << 1289 return integral.Legendre96(this,&G4VXTRenergyLoss::XTRNSpectralAngleDensity,
1322 return integral.Legendre96(this, &G4VXTRene << 1290 0.0,0.2*fMaxThetaTR) +
1323 0.0, 0.2 * fMaxT << 1291 integral.Legendre10(this,&G4VXTRenergyLoss::XTRNSpectralAngleDensity,
1324 integral.Legendre10(this, &G4VXTRene << 1292 0.2*fMaxThetaTR,fMaxThetaTR) ;
1325 0.2 * fMaxThetaT << 1293 }
1326 } << 1294
1327 <<
1328 ///////////////////////////////////////////// 1295 //////////////////////////////////////////////////////////////////////////
>> 1296 //
1329 // for photon angle distribution tables 1297 // for photon angle distribution tables
>> 1298 //
>> 1299
1330 G4double G4VXTRenergyLoss::XTRNAngleSpectralD 1300 G4double G4VXTRenergyLoss::XTRNAngleSpectralDensity(G4double energy)
1331 { 1301 {
1332 return OneBoundaryXTRNdensity(energy, fGamm << 1302 return OneBoundaryXTRNdensity(energy,fGamma,fVarAngle)*
1333 GetStackFactor(energy, fGamma, fVarA << 1303 GetStackFactor(energy,fGamma,fVarAngle) ;
1334 } << 1304 }
1335 1305
1336 ///////////////////////////////////////////// 1306 ///////////////////////////////////////////////////////////////////////////
1337 G4double G4VXTRenergyLoss::XTRNAngleDensity(G << 1307 //
>> 1308 //
>> 1309
>> 1310 G4double G4VXTRenergyLoss::XTRNAngleDensity(G4double varAngle)
1338 { 1311 {
1339 fVarAngle = varAngle; << 1312 fVarAngle = varAngle ;
1340 G4Integrator<G4VXTRenergyLoss, G4double (G4 << 1313 G4Integrator<G4VXTRenergyLoss,G4double(G4VXTRenergyLoss::*)(G4double)> integral ;
1341 integral; << 1314 return integral.Legendre96(this,&G4VXTRenergyLoss::XTRNAngleSpectralDensity,
1342 return integral.Legendre96(this, &G4VXTRene << 1315 fMinEnergyTR,fMaxEnergyTR) ;
1343 fMinEnergyTR, fM <<
1344 } 1316 }
1345 1317
1346 ///////////////////////////////////////////// 1318 //////////////////////////////////////////////////////////////////////////////
1347 // Check number of photons for a range of Lor << 1319 //
>> 1320 // Check number of photons for a range of Lorentz factors from both energy
1348 // and angular tables 1321 // and angular tables
>> 1322
1349 void G4VXTRenergyLoss::GetNumberOfPhotons() 1323 void G4VXTRenergyLoss::GetNumberOfPhotons()
1350 { 1324 {
1351 G4int iTkin; << 1325 G4int iTkin ;
1352 G4double gamma, numberE; << 1326 G4double gamma, numberE ;
1353 1327
1354 std::ofstream outEn("numberE.dat", std::ios << 1328 ofstream outEn("numberE.dat", ios::out ) ;
1355 outEn.setf(std::ios::scientific, std::ios:: << 1329 outEn.setf( ios::scientific, ios::floatfield );
1356 1330
1357 std::ofstream outAng("numberAng.dat", std:: << 1331 ofstream outAng("numberAng.dat", ios::out ) ;
1358 outAng.setf(std::ios::scientific, std::ios: << 1332 outAng.setf( ios::scientific, ios::floatfield );
1359 1333
1360 for(iTkin = 0; iTkin < fTotBin; ++iTkin) / << 1334 for(iTkin=0;iTkin<fTotBin;iTkin++) // Lorentz factor loop
1361 { << 1335 {
1362 gamma = << 1336 gamma = 1.0 + (fProtonEnergyVector->
1363 1.0 + (fProtonEnergyVector->GetLowEdgeE << 1337 GetLowEdgeEnergy(iTkin)/proton_mass_c2) ;
1364 numberE = (*(*fEnergyDistrTable)(iTkin))( << 1338 numberE = (*(*fEnergyDistrTable)(iTkin))(0) ;
1365 if(verboseLevel > 1) << 1339 // numberA = (*(*fAngleDistrTable)(iTkin))(0) ;
1366 G4cout << gamma << "\t\t" << numberE << << 1340 if(verboseLevel > 1)
1367 if(verboseLevel > 0) << 1341 G4cout<<gamma<<"\t\t"<<numberE<<"\t" // <<numberA
1368 outEn << gamma << "\t\t" << numberE << << 1342 <<G4endl ;
>> 1343 if(verboseLevel > 0)
>> 1344 outEn<<gamma<<"\t\t"<<numberE<<G4endl ;
1369 } 1345 }
1370 return; << 1346 return ;
1371 } << 1347 }
1372 1348
1373 ///////////////////////////////////////////// 1349 /////////////////////////////////////////////////////////////////////////
1374 // Returns random energy of a X-ray TR photon << 1350 //
>> 1351 // Returns randon energy of a X-ray TR photon for given scaled kinetic energy
1375 // of a charged particle 1352 // of a charged particle
1376 G4double G4VXTRenergyLoss::GetXTRrandomEnergy << 1353
>> 1354 G4double G4VXTRenergyLoss::GetXTRrandomEnergy( G4double scaledTkin, G4int iTkin )
1377 { 1355 {
1378 G4int iTransfer, iPlace; << 1356 G4int iTransfer, iPlace ;
1379 G4double transfer = 0.0, position, E1, E2, << 1357 G4double transfer = 0.0, position, E1, E2, W1, W2, W ;
>> 1358
>> 1359 iPlace = iTkin - 1 ;
1380 1360
1381 iPlace = iTkin - 1; << 1361 // G4cout<<"iPlace = "<<iPlace<<endl ;
1382 1362
1383 if(iTkin == fTotBin) // relativistic plato << 1363 if(iTkin == fTotBin) // relativistic plato, try from left
1384 { 1364 {
1385 position = (*(*fEnergyDistrTable)(iPlace) << 1365 position = (*(*fEnergyDistrTable)(iPlace))(0)*G4UniformRand() ;
1386 1366
1387 for(iTransfer = 0;; ++iTransfer) << 1367 for(iTransfer=0;;iTransfer++)
1388 { << 1368 {
1389 if(position >= (*(*fEnergyDistrTable)(i << 1369 if(position >= (*(*fEnergyDistrTable)(iPlace))(iTransfer)) break ;
1390 break; << 1370 }
1391 } << 1371 transfer = GetXTRenergy(iPlace,position,iTransfer);
1392 transfer = GetXTRenergy(iPlace, position, <<
1393 } 1372 }
1394 else 1373 else
1395 { 1374 {
1396 E1 = fProtonEnergyVector->GetLowEdgeEnerg << 1375 E1 = fProtonEnergyVector->GetLowEdgeEnergy(iTkin - 1) ;
1397 E2 = fProtonEnergyVector->GetLowEdgeEnerg << 1376 E2 = fProtonEnergyVector->GetLowEdgeEnergy(iTkin) ;
1398 W = 1.0 / (E2 - E1); << 1377 W = 1.0/(E2 - E1) ;
1399 W1 = (E2 - scaledTkin) * W; << 1378 W1 = (E2 - scaledTkin)*W ;
1400 W2 = (scaledTkin - E1) * W; << 1379 W2 = (scaledTkin - E1)*W ;
1401 << 1380
1402 position = ((*(*fEnergyDistrTable)(iPlace << 1381 position =( (*(*fEnergyDistrTable)(iPlace))(0)*W1 +
1403 (*(*fEnergyDistrTable)(iPlace << 1382 (*(*fEnergyDistrTable)(iPlace+1))(0)*W2 )*G4UniformRand() ;
1404 G4UniformRand(); << 1383
1405 << 1384 // G4cout<<position<<"\t" ;
1406 for(iTransfer = 0;; ++iTransfer) << 1385
1407 { << 1386 for(iTransfer=0;;iTransfer++)
1408 if(position >= ((*(*fEnergyDistrTable)( << 1387 {
1409 (*(*fEnergyDistrTable)( << 1388 if( position >=
1410 break; << 1389 ( (*(*fEnergyDistrTable)(iPlace))(iTransfer)*W1 +
1411 } << 1390 (*(*fEnergyDistrTable)(iPlace+1))(iTransfer)*W2) ) break ;
1412 transfer = GetXTRenergy(iPlace, position, << 1391 }
1413 } << 1392 transfer = GetXTRenergy(iPlace,position,iTransfer);
1414 if(transfer < 0.0) << 1393
1415 transfer = 0.0; << 1394 }
1416 return transfer; << 1395 // G4cout<<"XTR transfer = "<<transfer/keV<<" keV"<<endl ;
>> 1396 if(transfer < 0.0 ) transfer = 0.0 ;
>> 1397 return transfer ;
1417 } 1398 }
1418 1399
1419 ///////////////////////////////////////////// 1400 ////////////////////////////////////////////////////////////////////////
>> 1401 //
1420 // Returns approximate position of X-ray phot 1402 // Returns approximate position of X-ray photon energy during random sampling
1421 // over integral energy distribution 1403 // over integral energy distribution
1422 G4double G4VXTRenergyLoss::GetXTRenergy(G4int << 1404
>> 1405 G4double G4VXTRenergyLoss::GetXTRenergy( G4int iPlace,
>> 1406 G4double position,
>> 1407 G4int iTransfer )
1423 { 1408 {
1424 G4double x1, x2, y1, y2, result; << 1409 G4double x1, x2, y1, y2, result ;
1425 1410
1426 if(iTransfer == 0) 1411 if(iTransfer == 0)
1427 { 1412 {
1428 result = (*fEnergyDistrTable)(iPlace)->Ge << 1413 result = (*fEnergyDistrTable)(iPlace)->GetLowEdgeEnergy(iTransfer) ;
1429 } << 1414 }
1430 else 1415 else
1431 { 1416 {
1432 y1 = (*(*fEnergyDistrTable)(iPlace))(iTra << 1417 y1 = (*(*fEnergyDistrTable)(iPlace))(iTransfer-1) ;
1433 y2 = (*(*fEnergyDistrTable)(iPlace))(iTra << 1418 y2 = (*(*fEnergyDistrTable)(iPlace))(iTransfer) ;
1434 1419
1435 x1 = (*fEnergyDistrTable)(iPlace)->GetLow << 1420 x1 = (*fEnergyDistrTable)(iPlace)->GetLowEdgeEnergy(iTransfer-1) ;
1436 x2 = (*fEnergyDistrTable)(iPlace)->GetLow << 1421 x2 = (*fEnergyDistrTable)(iPlace)->GetLowEdgeEnergy(iTransfer) ;
1437 1422
1438 if(x1 == x2) << 1423 if ( x1 == x2 ) result = x2 ;
1439 result = x2; <<
1440 else 1424 else
1441 { 1425 {
1442 if(y1 == y2) << 1426 if ( y1 == y2 ) result = x1 + (x2 - x1)*G4UniformRand() ;
1443 result = x1 + (x2 - x1) * G4UniformRa <<
1444 else 1427 else
1445 { 1428 {
1446 result = x1 + (x2 - x1) * G4UniformRa << 1429 result = x1 + (position - y1)*(x2 - x1)/(y2 - y1) ;
1447 } 1430 }
1448 } 1431 }
1449 } 1432 }
1450 return result; << 1433 return result ;
1451 } 1434 }
1452 1435
1453 ///////////////////////////////////////////// 1436 /////////////////////////////////////////////////////////////////////////
>> 1437 //
1454 // Get XTR photon angle at given energy and 1438 // Get XTR photon angle at given energy and Tkin
1455 1439
1456 G4double G4VXTRenergyLoss::GetRandomAngle(G4d << 1440 G4double G4VXTRenergyLoss::GetRandomAngle( G4double energyXTR, G4int iTkin )
1457 { 1441 {
1458 G4int iTR, iAngle; 1442 G4int iTR, iAngle;
1459 G4double position, angle; 1443 G4double position, angle;
1460 1444
1461 if(iTkin == fTotBin) << 1445 if (iTkin == fTotBin) iTkin--;
1462 --iTkin; <<
1463 1446
1464 fAngleForEnergyTable = fAngleBank[iTkin]; 1447 fAngleForEnergyTable = fAngleBank[iTkin];
1465 1448
1466 for(iTR = 0; iTR < fBinTR; ++iTR) << 1449 for( iTR = 0; iTR < fBinTR; iTR++ )
1467 { 1450 {
1468 if(energyXTR < fXTREnergyVector->GetLowEd << 1451 if( energyXTR < fXTREnergyVector->GetLowEdgeEnergy(iTR) ) break;
1469 break; <<
1470 } 1452 }
1471 if(iTR == fBinTR) << 1453 if (iTR == fBinTR) iTR--;
1472 --iTR; << 1454
1473 << 1455 position = (*(*fAngleForEnergyTable)(iTR))(0)*G4UniformRand() ;
1474 position = (*(*fAngleForEnergyTable)(iTR))( <<
1475 // position = (*(*fAngleForEnergyTable)(iTR <<
1476 1456
1477 for(iAngle = 0;; ++iAngle) << 1457 for(iAngle = 0;;iAngle++)
1478 // for(iAngle = 1;; ++iAngle) // ATLAS TB <<
1479 { 1458 {
1480 if(position >= (*(*fAngleForEnergyTable)( << 1459 if(position >= (*(*fAngleForEnergyTable)(iTR))(iAngle)) break ;
1481 break; <<
1482 } 1460 }
1483 angle = GetAngleXTR(iTR, position, iAngle); << 1461 angle = GetAngleXTR(iTR,position,iAngle);
1484 return angle; 1462 return angle;
1485 } 1463 }
1486 1464
1487 ///////////////////////////////////////////// 1465 ////////////////////////////////////////////////////////////////////////
1488 // Returns approximate position of X-ray phot << 1466 //
1489 // random sampling over integral energy distr << 1467 // Returns approximate position of X-ray photon angle at given energy during random sampling
>> 1468 // over integral energy distribution
1490 1469
1491 G4double G4VXTRenergyLoss::GetAngleXTR(G4int << 1470 G4double G4VXTRenergyLoss::GetAngleXTR( G4int iPlace,
1492 G4int << 1471 G4double position,
>> 1472 G4int iTransfer )
1493 { 1473 {
1494 G4double x1, x2, y1, y2, result; << 1474 G4double x1, x2, y1, y2, result ;
1495 1475
1496 if( iTransfer == 0 ) << 1476 if(iTransfer == 0)
1497 // if( iTransfer == 1 ) // ATLAS TB <<
1498 { 1477 {
1499 result = (*fAngleForEnergyTable)(iPlace)- << 1478 result = (*fAngleForEnergyTable)(iPlace)->GetLowEdgeEnergy(iTransfer) ;
1500 } << 1479 }
1501 else 1480 else
1502 { 1481 {
1503 y1 = (*(*fAngleForEnergyTable)(iPlace))(i << 1482 y1 = (*(*fAngleForEnergyTable)(iPlace))(iTransfer-1) ;
1504 y2 = (*(*fAngleForEnergyTable)(iPlace))(i << 1483 y2 = (*(*fAngleForEnergyTable)(iPlace))(iTransfer) ;
1505 1484
1506 x1 = (*fAngleForEnergyTable)(iPlace)->Get << 1485 x1 = (*fAngleForEnergyTable)(iPlace)->GetLowEdgeEnergy(iTransfer-1) ;
1507 x2 = (*fAngleForEnergyTable)(iPlace)->Get << 1486 x2 = (*fAngleForEnergyTable)(iPlace)->GetLowEdgeEnergy(iTransfer) ;
1508 1487
1509 if(x1 == x2) result = x2; << 1488 if ( x1 == x2 ) result = x2 ;
1510 else 1489 else
1511 { 1490 {
1512 if( y1 == y2 ) result = x1 + (x2 - x1) << 1491 if ( y1 == y2 ) result = x1 + (x2 - x1)*G4UniformRand() ;
1513 else 1492 else
1514 { 1493 {
1515 result = x1 + (position - y1) * (x2 - << 1494 result = x1 + (position - y1)*(x2 - x1)/(y2 - y1) ;
1516 // result = x1 + 0.1*(position - y1) <<
1517 // result = x1 + 0.05*(position - y1) <<
1518 } 1495 }
1519 } 1496 }
1520 } 1497 }
1521 return result; << 1498 return result ;
1522 } 1499 }
>> 1500
>> 1501
>> 1502 //
>> 1503 //
>> 1504 ///////////////////////////////////////////////////////////////////////
>> 1505
1523 1506