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25 // 25 //
>> 26 //
>> 27 //
26 // History: 28 // History:
27 // 2001-2002 R&D by V.Grichine 29 // 2001-2002 R&D by V.Grichine
28 // 19.06.03 V. Grichine, modifications in Buil << 30 // 19.06.03 V. Grichine, modifications in BuildTable for the integration
29 // in respect of angle: 31 // in respect of angle: range is increased, accuracy is
30 // improved 32 // improved
31 // 28.07.05, P.Gumplinger add G4ProcessType to 33 // 28.07.05, P.Gumplinger add G4ProcessType to constructor
32 // 28.09.07, V.Ivanchenko general cleanup with 34 // 28.09.07, V.Ivanchenko general cleanup without change of algorithms
33 // 35 //
34 36
35 #include "G4VXTRenergyLoss.hh" 37 #include "G4VXTRenergyLoss.hh"
36 38
37 #include "G4AffineTransform.hh" << 39 #include "G4Timer.hh"
38 #include "G4DynamicParticle.hh" <<
39 #include "G4EmProcessSubType.hh" <<
40 #include "G4Integrator.hh" <<
41 #include "G4MaterialTable.hh" <<
42 #include "G4ParticleMomentum.hh" <<
43 #include "G4PhysicalConstants.hh" 40 #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" 41 #include "G4SystemOfUnits.hh"
50 #include "G4ThreeVector.hh" << 42
51 #include "G4Timer.hh" << 43 #include "G4Poisson.hh"
>> 44 #include "G4MaterialTable.hh"
52 #include "G4VDiscreteProcess.hh" 45 #include "G4VDiscreteProcess.hh"
53 #include "G4VParticleChange.hh" 46 #include "G4VParticleChange.hh"
54 #include "G4VSolid.hh" 47 #include "G4VSolid.hh"
55 #include "G4PhysicsModelCatalog.hh" << 48
>> 49 #include "G4RotationMatrix.hh"
>> 50 #include "G4ThreeVector.hh"
>> 51 #include "G4AffineTransform.hh"
>> 52 #include "G4SandiaTable.hh"
>> 53
>> 54 #include "G4PhysicsVector.hh"
>> 55 #include "G4PhysicsFreeVector.hh"
>> 56 #include "G4PhysicsLinearVector.hh"
>> 57 #include "G4EmProcessSubType.hh"
56 58
57 ////////////////////////////////////////////// 59 ////////////////////////////////////////////////////////////////////////////
>> 60 //
58 // Constructor, destructor 61 // Constructor, destructor
59 G4VXTRenergyLoss::G4VXTRenergyLoss(G4LogicalVo << 62
60 G4Material* << 63 G4VXTRenergyLoss::G4VXTRenergyLoss(G4LogicalVolume *anEnvelope,
61 G4double a, << 64 G4Material* foilMat,G4Material* gasMat,
62 const G4Str << 65 G4double a, G4double b,
63 G4ProcessTy << 66 G4int n,const G4String& processName,
64 : G4VDiscreteProcess(processName, type) << 67 G4ProcessType type) :
65 , fGammaCutInKineticEnergy(nullptr) << 68 G4VDiscreteProcess(processName, type),
66 , fAngleDistrTable(nullptr) << 69 fGammaCutInKineticEnergy(nullptr),
67 , fEnergyDistrTable(nullptr) << 70 fGammaTkinCut(0.0),
68 , fAngleForEnergyTable(nullptr) << 71 fAngleDistrTable(nullptr),
69 , fPlatePhotoAbsCof(nullptr) << 72 fEnergyDistrTable(nullptr),
70 , fGasPhotoAbsCof(nullptr) << 73 fPlatePhotoAbsCof(nullptr),
71 , fGammaTkinCut(0.0) << 74 fGasPhotoAbsCof(nullptr),
>> 75 fAngleForEnergyTable(nullptr)
72 { 76 {
73 verboseLevel = 1; 77 verboseLevel = 1;
74 secID = G4PhysicsModelCatalog::GetModelID("m <<
75 SetProcessSubType(fTransitionRadiation); 78 SetProcessSubType(fTransitionRadiation);
76 79
77 fPtrGamma = nullptr; << 80 fPtrGamma = nullptr;
78 fMinEnergyTR = fMaxEnergyTR = fMaxThetaTR = << 81 fMinEnergyTR = fMaxEnergyTR = fMaxThetaTR = fGamma = fEnergy = fVarAngle
79 fVarAngle = fLambda = fTotalDist = fPlateThi << 82 = fLambda = fTotalDist = fPlateThick = fGasThick = fAlphaPlate = fAlphaGas = 0.0;
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 83
94 fMinThetaTR = 3.0e-9; << 84 // Initialization of local constants
95 fMaxThetaTR = 1.0e-4; << 85 fTheMinEnergyTR = 1.0*keV;
>> 86 fTheMaxEnergyTR = 100.0*keV;
>> 87
>> 88 fTheMaxAngle = 1.0e-2; // 100 mrad
>> 89
>> 90 fTheMinAngle = 2.5e-5;
>> 91
>> 92 fBinTR = 200; // 100; // 50;
>> 93
>> 94 fMinProtonTkin = 100.0*GeV;
>> 95 fMaxProtonTkin = 100.0*TeV;
>> 96 fTotBin = 50; // 100; //
96 97
97 <<
98 // Proton energy vector initialization 98 // Proton energy vector initialization
99 fProtonEnergyVector = << 99 fProtonEnergyVector = new G4PhysicsLogVector(fMinProtonTkin,
100 new G4PhysicsLogVector(fMinProtonTkin, fMa << 100 fMaxProtonTkin,
>> 101 fTotBin );
>> 102
>> 103 fXTREnergyVector = new G4PhysicsLogVector(fTheMinEnergyTR,
>> 104 fTheMaxEnergyTR,
>> 105 fBinTR );
101 106
102 fXTREnergyVector = << 107 fPlasmaCof = 4.0*pi*fine_structure_const*hbarc*hbarc*hbarc/electron_mass_c2;
103 new G4PhysicsLogVector(fTheMinEnergyTR, fT <<
104 108
105 fEnvelope = anEnvelope; << 109 fCofTR = fine_structure_const/pi;
>> 110
>> 111 fEnvelope = anEnvelope;
106 112
107 fPlateNumber = n; 113 fPlateNumber = n;
108 if(verboseLevel > 0) 114 if(verboseLevel > 0)
109 G4cout << "### G4VXTRenergyLoss: the numbe << 115 G4cout<<"### G4VXTRenergyLoss: the number of TR radiator plates = "
110 << fPlateNumber << G4endl; << 116 <<fPlateNumber<<G4endl;
111 if(fPlateNumber == 0) 117 if(fPlateNumber == 0)
112 { 118 {
113 G4Exception("G4VXTRenergyLoss::G4VXTRenerg << 119 G4Exception("G4VXTRenergyLoss::G4VXTRenergyLoss()","VXTRELoss01",
114 FatalException, "No plates in << 120 FatalException,"No plates in X-ray TR radiator");
115 } 121 }
116 // default is XTR dEdx, not flux after radia 122 // default is XTR dEdx, not flux after radiator
>> 123
117 fExitFlux = false; 124 fExitFlux = false;
118 // default angle distribution according nume << 125 fAngleRadDistr = true; // false;
119 fFastAngle = false; // no angle accordin <<
120 fAngleRadDistr = true; <<
121 fCompton = false; 126 fCompton = false;
122 127
123 fLambda = DBL_MAX; 128 fLambda = DBL_MAX;
124 <<
125 // Mean thicknesses of plates and gas gaps 129 // Mean thicknesses of plates and gas gaps
>> 130
126 fPlateThick = a; 131 fPlateThick = a;
127 fGasThick = b; 132 fGasThick = b;
128 fTotalDist = fPlateNumber * (fPlateThick + << 133 fTotalDist = fPlateNumber*(fPlateThick+fGasThick);
129 if(verboseLevel > 0) 134 if(verboseLevel > 0)
130 G4cout << "total radiator thickness = " << << 135 G4cout<<"total radiator thickness = "<<fTotalDist/cm<<" cm"<<G4endl;
131 << G4endl; <<
132 136
133 // index of plate material 137 // index of plate material
134 fMatIndex1 = (G4int)foilMat->GetIndex(); << 138 fMatIndex1 = foilMat->GetIndex();
135 if(verboseLevel > 0) 139 if(verboseLevel > 0)
136 G4cout << "plate material = " << foilMat-> << 140 G4cout<<"plate material = "<<foilMat->GetName()<<G4endl;
137 141
138 // index of gas material 142 // index of gas material
139 fMatIndex2 = (G4int)gasMat->GetIndex(); << 143 fMatIndex2 = gasMat->GetIndex();
140 if(verboseLevel > 0) 144 if(verboseLevel > 0)
141 G4cout << "gas material = " << gasMat->Get << 145 G4cout<<"gas material = "<<gasMat->GetName()<<G4endl;
142 146
143 // plasma energy squared for plate material 147 // plasma energy squared for plate material
144 fSigma1 = fPlasmaCof * foilMat->GetElectronD << 148
>> 149 fSigma1 = fPlasmaCof*foilMat->GetElectronDensity();
>> 150 // fSigma1 = (20.9*eV)*(20.9*eV);
145 if(verboseLevel > 0) 151 if(verboseLevel > 0)
146 G4cout << "plate plasma energy = " << std: << 152 G4cout<<"plate plasma energy = "<<std::sqrt(fSigma1)/eV<<" eV"<<G4endl;
147 << G4endl; <<
148 153
149 // plasma energy squared for gas material 154 // plasma energy squared for gas material
150 fSigma2 = fPlasmaCof * gasMat->GetElectronDe << 155
>> 156 fSigma2 = fPlasmaCof*gasMat->GetElectronDensity();
151 if(verboseLevel > 0) 157 if(verboseLevel > 0)
152 G4cout << "gas plasma energy = " << std::s << 158 G4cout<<"gas plasma energy = "<<std::sqrt(fSigma2)/eV<<" eV"<<G4endl;
153 << G4endl; <<
154 159
155 // Compute cofs for preparation of linear ph 160 // Compute cofs for preparation of linear photo absorption
>> 161
156 ComputePlatePhotoAbsCof(); 162 ComputePlatePhotoAbsCof();
157 ComputeGasPhotoAbsCof(); 163 ComputeGasPhotoAbsCof();
158 164
159 pParticleChange = &fParticleChange; 165 pParticleChange = &fParticleChange;
160 } 166 }
161 167
162 ////////////////////////////////////////////// 168 ///////////////////////////////////////////////////////////////////////////
>> 169
163 G4VXTRenergyLoss::~G4VXTRenergyLoss() 170 G4VXTRenergyLoss::~G4VXTRenergyLoss()
164 { 171 {
>> 172 if(fEnvelope) delete fEnvelope;
165 delete fProtonEnergyVector; 173 delete fProtonEnergyVector;
166 delete fXTREnergyVector; 174 delete fXTREnergyVector;
167 if(fEnergyDistrTable) << 175 if(fEnergyDistrTable) {
168 { << 176 fEnergyDistrTable->clearAndDestroy();
169 fEnergyDistrTable->clearAndDestroy(); <<
170 delete fEnergyDistrTable; 177 delete fEnergyDistrTable;
171 } 178 }
172 if(fAngleRadDistr) << 179 if(fAngleRadDistr) {
173 { <<
174 fAngleDistrTable->clearAndDestroy(); 180 fAngleDistrTable->clearAndDestroy();
175 delete fAngleDistrTable; 181 delete fAngleDistrTable;
176 } 182 }
177 if(fAngleForEnergyTable) << 183 if(fAngleForEnergyTable) {
178 { <<
179 fAngleForEnergyTable->clearAndDestroy(); 184 fAngleForEnergyTable->clearAndDestroy();
180 delete fAngleForEnergyTable; 185 delete fAngleForEnergyTable;
181 } 186 }
182 } 187 }
183 188
184 void G4VXTRenergyLoss::ProcessDescription(std: <<
185 { <<
186 out << "Base class for 'fast' parameterisati <<
187 "transition\n" <<
188 "radiation. Angular distribution is v <<
189 } <<
190 <<
191 ////////////////////////////////////////////// 189 ///////////////////////////////////////////////////////////////////////////////
>> 190 //
192 // Returns condition for application of the mo 191 // Returns condition for application of the model depending on particle type
>> 192
>> 193
193 G4bool G4VXTRenergyLoss::IsApplicable(const G4 194 G4bool G4VXTRenergyLoss::IsApplicable(const G4ParticleDefinition& particle)
194 { 195 {
195 return (particle.GetPDGCharge() != 0.0); << 196 return ( particle.GetPDGCharge() != 0.0 );
196 } 197 }
197 198
198 ////////////////////////////////////////////// 199 /////////////////////////////////////////////////////////////////////////////////
>> 200 //
199 // Calculate step size for XTR process inside 201 // Calculate step size for XTR process inside raaditor
200 G4double G4VXTRenergyLoss::GetMeanFreePath(con << 202
201 G4F << 203 G4double G4VXTRenergyLoss::GetMeanFreePath(const G4Track& aTrack,
>> 204 G4double, // previousStepSize,
>> 205 G4ForceCondition* condition)
202 { 206 {
203 G4int iTkin, iPlace; 207 G4int iTkin, iPlace;
204 G4double lambda, sigma, kinEnergy, mass, gam 208 G4double lambda, sigma, kinEnergy, mass, gamma;
205 G4double charge, chargeSq, massRatio, TkinSc 209 G4double charge, chargeSq, massRatio, TkinScaled;
206 G4double E1, E2, W, W1, W2; << 210 G4double E1,E2,W,W1,W2;
207 211
208 *condition = NotForced; 212 *condition = NotForced;
209 << 213
210 if(aTrack.GetVolume()->GetLogicalVolume() != << 214 if( aTrack.GetVolume()->GetLogicalVolume() != fEnvelope ) lambda = DBL_MAX;
211 lambda = DBL_MAX; <<
212 else 215 else
213 { 216 {
214 const G4DynamicParticle* aParticle = aTrac 217 const G4DynamicParticle* aParticle = aTrack.GetDynamicParticle();
215 kinEnergy = aPart << 218 kinEnergy = aParticle->GetKineticEnergy();
216 mass = aParticle->GetDefinition()->GetPDG << 219 mass = aParticle->GetDefinition()->GetPDGMass();
217 gamma = 1.0 + kinEnergy / mass; << 220 gamma = 1.0 + kinEnergy/mass;
218 if(verboseLevel > 1) 221 if(verboseLevel > 1)
219 { 222 {
220 G4cout << " gamma = " << gamma << "; f << 223 G4cout<<" gamma = "<<gamma<<"; fGamma = "<<fGamma<<G4endl;
221 } 224 }
222 225
223 if(std::fabs(gamma - fGamma) < 0.05 * gamm << 226 if ( std::fabs( gamma - fGamma ) < 0.05*gamma ) lambda = fLambda;
224 lambda = fLambda; <<
225 else 227 else
226 { 228 {
227 charge = aParticle->GetDefinition()- << 229 charge = aParticle->GetDefinition()->GetPDGCharge();
228 chargeSq = charge * charge; << 230 chargeSq = charge*charge;
229 massRatio = proton_mass_c2 / mass; << 231 massRatio = proton_mass_c2/mass;
230 TkinScaled = kinEnergy * massRatio; << 232 TkinScaled = kinEnergy*massRatio;
231 233
232 for(iTkin = 0; iTkin < fTotBin; ++iTkin) << 234 for(iTkin = 0; iTkin < fTotBin; iTkin++)
233 { 235 {
234 if(TkinScaled < fProtonEnergyVector->G << 236 if( TkinScaled < fProtonEnergyVector->GetLowEdgeEnergy(iTkin)) break;
235 break; <<
236 } 237 }
237 iPlace = iTkin - 1; 238 iPlace = iTkin - 1;
238 239
239 if(iTkin == 0) << 240 if(iTkin == 0) lambda = DBL_MAX; // Tkin is too small, neglect of TR photon generation
240 lambda = DBL_MAX; // Tkin is too smal << 241 else // general case: Tkin between two vectors of the material
241 else // general case: Tkin between two <<
242 { 242 {
243 if(iTkin == fTotBin) << 243 if(iTkin == fTotBin)
244 { 244 {
245 sigma = (*(*fEnergyDistrTable)(iPlac << 245 sigma = (*(*fEnergyDistrTable)(iPlace))(0)*chargeSq;
246 } 246 }
247 else 247 else
248 { 248 {
249 E1 = fProtonEnergyVector->GetLowE << 249 E1 = fProtonEnergyVector->GetLowEdgeEnergy(iTkin - 1);
250 E2 = fProtonEnergyVector->GetLowE << 250 E2 = fProtonEnergyVector->GetLowEdgeEnergy(iTkin);
251 W = 1.0 / (E2 - E1); << 251 W = 1.0/(E2 - E1);
252 W1 = (E2 - TkinScaled) * W; << 252 W1 = (E2 - TkinScaled)*W;
253 W2 = (TkinScaled - E1) * W; << 253 W2 = (TkinScaled - E1)*W;
254 sigma = ((*(*fEnergyDistrTable)(iPla << 254 sigma = ( (*(*fEnergyDistrTable)(iPlace ))(0)*W1 +
255 (*(*fEnergyDistrTable)(iPla << 255 (*(*fEnergyDistrTable)(iPlace+1))(0)*W2 )*chargeSq;
256 chargeSq; << 256
257 } 257 }
258 if(sigma < DBL_MIN) << 258 if (sigma < DBL_MIN) lambda = DBL_MAX;
259 lambda = DBL_MAX; << 259 else lambda = 1./sigma;
260 else <<
261 lambda = 1. / sigma; <<
262 fLambda = lambda; 260 fLambda = lambda;
263 fGamma = gamma; << 261 fGamma = gamma;
264 if(verboseLevel > 1) 262 if(verboseLevel > 1)
265 { 263 {
266 G4cout << " lambda = " << lambda / m << 264 G4cout<<" lambda = "<<lambda/mm<<" mm"<<G4endl;
267 } 265 }
268 } 266 }
269 } 267 }
270 } << 268 }
271 return lambda; 269 return lambda;
272 } 270 }
273 271
274 ////////////////////////////////////////////// 272 //////////////////////////////////////////////////////////////////////////
>> 273 //
275 // Interface for build table from physics list 274 // Interface for build table from physics list
>> 275
276 void G4VXTRenergyLoss::BuildPhysicsTable(const 276 void G4VXTRenergyLoss::BuildPhysicsTable(const G4ParticleDefinition& pd)
277 { 277 {
278 if(pd.GetPDGCharge() == 0.) << 278 if(pd.GetPDGCharge() == 0.)
279 { 279 {
280 G4Exception("G4VXTRenergyLoss::BuildPhysic << 280 G4Exception("G4VXTRenergyLoss::BuildPhysicsTable", "Notification", JustWarning,
281 JustWarning, "XTR initialisati << 281 "XTR initialisation for neutral particle ?!" );
282 } 282 }
283 BuildEnergyTable(); 283 BuildEnergyTable();
284 284
285 if(fAngleRadDistr) << 285 if ( fAngleRadDistr )
286 { 286 {
287 if(verboseLevel > 0) 287 if(verboseLevel > 0)
288 { 288 {
289 G4cout << 289 G4cout<<"Build angle for energy distribution according the current radiator"
290 << "Build angle for energy distributio << 290 <<G4endl;
291 << G4endl; <<
292 } 291 }
293 BuildAngleForEnergyBank(); 292 BuildAngleForEnergyBank();
294 } 293 }
295 } 294 }
296 295
>> 296
297 ////////////////////////////////////////////// 297 //////////////////////////////////////////////////////////////////////////
>> 298 //
298 // Build integral energy distribution of XTR p 299 // Build integral energy distribution of XTR photons
>> 300
299 void G4VXTRenergyLoss::BuildEnergyTable() 301 void G4VXTRenergyLoss::BuildEnergyTable()
300 { 302 {
301 G4int iTkin, iTR, iPlace; 303 G4int iTkin, iTR, iPlace;
302 G4double radiatorCof = 1.0; // for tuning o << 304 G4double radiatorCof = 1.0; // for tuning of XTR yield
303 G4double energySum = 0.0; << 305 G4double energySum = 0.0;
304 306
305 fEnergyDistrTable = new G4PhysicsTable(fTotB 307 fEnergyDistrTable = new G4PhysicsTable(fTotBin);
306 if(fAngleRadDistr) << 308 if(fAngleRadDistr) fAngleDistrTable = new G4PhysicsTable(fTotBin);
307 fAngleDistrTable = new G4PhysicsTable(fTot <<
308 309
309 fGammaTkinCut = 0.0; 310 fGammaTkinCut = 0.0;
310 << 311
311 // setting of min/max TR energies << 312 // setting of min/max TR energies
312 if(fGammaTkinCut > fTheMinEnergyTR) << 313
313 fMinEnergyTR = fGammaTkinCut; << 314 if(fGammaTkinCut > fTheMinEnergyTR) fMinEnergyTR = fGammaTkinCut;
314 else << 315 else fMinEnergyTR = fTheMinEnergyTR;
315 fMinEnergyTR = fTheMinEnergyTR; << 316
316 << 317 if(fGammaTkinCut > fTheMaxEnergyTR) fMaxEnergyTR = 2.0*fGammaTkinCut;
317 if(fGammaTkinCut > fTheMaxEnergyTR) << 318 else fMaxEnergyTR = fTheMaxEnergyTR;
318 fMaxEnergyTR = 2.0 * fGammaTkinCut; << 319
319 else << 320 G4Integrator<G4VXTRenergyLoss,G4double(G4VXTRenergyLoss::*)(G4double)> integral;
320 fMaxEnergyTR = fTheMaxEnergyTR; <<
321 <<
322 G4Integrator<G4VXTRenergyLoss, G4double (G4V <<
323 integral; <<
324 321
325 G4cout.precision(4); 322 G4cout.precision(4);
326 G4Timer timer; 323 G4Timer timer;
327 timer.Start(); 324 timer.Start();
328 325
329 if(verboseLevel > 0) << 326 if(verboseLevel > 0)
330 { 327 {
331 G4cout << G4endl; << 328 G4cout<<G4endl;
332 G4cout << "Lorentz Factor" << 329 G4cout<<"Lorentz Factor"<<"\t"<<"XTR photon number"<<G4endl;
333 << "\t" << 330 G4cout<<G4endl;
334 << "XTR photon number" << G4endl; << 331 }
335 G4cout << G4endl; << 332 for( iTkin = 0; iTkin < fTotBin; iTkin++ ) // Lorentz factor loop
336 } <<
337 for(iTkin = 0; iTkin < fTotBin; ++iTkin) // <<
338 { 333 {
339 auto energyVector = << 334 G4PhysicsLogVector* energyVector = new G4PhysicsLogVector( fMinEnergyTR,
340 new G4PhysicsLogVector(fMinEnergyTR, fMa << 335 fMaxEnergyTR,
>> 336 fBinTR );
341 337
342 fGamma = << 338 fGamma = 1.0 + (fProtonEnergyVector->
343 1.0 + (fProtonEnergyVector->GetLowEdgeEn << 339 GetLowEdgeEnergy(iTkin)/proton_mass_c2);
344 340
345 // if(fMaxThetaTR > fTheMaxAngle) fMax << 341 fMaxThetaTR = 25.*2500.0/(fGamma*fGamma) ; // theta^2
346 // else if(fMaxThetaTR < fTheMinAngle) <<
347 342
>> 343 fTheMinAngle = 1.0e-3; // was 5.e-6, e-6 !!!, e-5, e-4
>> 344
>> 345 if( fMaxThetaTR > fTheMaxAngle ) fMaxThetaTR = fTheMaxAngle;
>> 346 else if( fMaxThetaTR < fTheMinAngle ) fMaxThetaTR = fTheMinAngle;
>> 347
348 energySum = 0.0; 348 energySum = 0.0;
349 349
350 energyVector->PutValue(fBinTR - 1, energyS << 350 energyVector->PutValue(fBinTR-1,energySum);
351 351
352 for(iTR = fBinTR - 2; iTR >= 0; --iTR) << 352 for( iTR = fBinTR - 2; iTR >= 0; iTR-- )
353 { 353 {
354 // Legendre96 or Legendre10 << 354 // Legendre96 or Legendre10
355 355
356 energySum += radiatorCof * fCofTR * << 356 energySum += radiatorCof*fCofTR*integral.Legendre10(
357 << 357 this,&G4VXTRenergyLoss::SpectralXTRdEdx,
358 // integral.Legendre10(this, &G4VXTRenergyLo << 358 energyVector->GetLowEdgeEnergy(iTR),
359 << 359 energyVector->GetLowEdgeEnergy(iTR+1) );
360 integral.Legendre96(this, & << 360
361 << 361 energyVector->PutValue(iTR,energySum/fTotalDist);
362 energyV <<
363 energyV <<
364 <<
365 energyVector->PutValue(iTR, energySum / <<
366 } 362 }
367 iPlace = iTkin; 363 iPlace = iTkin;
368 fEnergyDistrTable->insertAt(iPlace, energy << 364 fEnergyDistrTable->insertAt(iPlace,energyVector);
369 365
370 if(verboseLevel > 0) 366 if(verboseLevel > 0)
371 { 367 {
372 G4cout << fGamma << "\t" << energySum << << 368 G4cout
>> 369 // <<iTkin<<"\t"
>> 370 // <<"fGamma = "
>> 371 <<fGamma<<"\t" // <<" fMaxThetaTR = "<<fMaxThetaTR
>> 372 // <<"sumN = "
>> 373 <<energySum // <<"; sumA = "<<angleSum
>> 374 <<G4endl;
373 } 375 }
374 } << 376 }
375 timer.Stop(); 377 timer.Stop();
376 G4cout.precision(6); 378 G4cout.precision(6);
377 if(verboseLevel > 0) << 379 if(verboseLevel > 0)
378 { 380 {
379 G4cout << G4endl; << 381 G4cout<<G4endl;
380 G4cout << "total time for build X-ray TR e << 382 G4cout<<"total time for build X-ray TR energy loss tables = "
381 << timer.GetUserElapsed() << " s" < << 383 <<timer.GetUserElapsed()<<" s"<<G4endl;
382 } 384 }
383 fGamma = 0.; 385 fGamma = 0.;
384 return; 386 return;
385 } 387 }
386 388
387 ////////////////////////////////////////////// 389 //////////////////////////////////////////////////////////////////////////
>> 390 //
388 // Bank of angle distributions for given energ 391 // Bank of angle distributions for given energies (slow!)
389 392
390 void G4VXTRenergyLoss::BuildAngleForEnergyBank 393 void G4VXTRenergyLoss::BuildAngleForEnergyBank()
391 { 394 {
392 << 395 if( this->GetProcessName() == "TranspRegXTRadiator" ||
393 if( ( this->GetProcessName() == "TranspRegXT << 396 this->GetProcessName() == "TranspRegXTRmodel" ||
394 this->GetProcessName() == "TranspRegXT << 397 this->GetProcessName() == "RegularXTRadiator" ||
395 this->GetProcessName() == "RegularXTRa << 398 this->GetProcessName() == "RegularXTRmodel" )
396 this->GetProcessName() == "RegularXTRmodel" <<
397 { 399 {
398 BuildAngleTable(); // by sum of delta-func << 400 BuildAngleTable();
399 return; 401 return;
400 } 402 }
401 G4int i, iTkin, iTR; 403 G4int i, iTkin, iTR;
402 G4double angleSum = 0.0; << 404 G4double angleSum = 0.0;
403 405
404 fGammaTkinCut = 0.0; <<
405 406
406 // setting of min/max TR energies << 407 fGammaTkinCut = 0.0;
407 if(fGammaTkinCut > fTheMinEnergyTR) << 408
408 fMinEnergyTR = fGammaTkinCut; << 409 // setting of min/max TR energies
409 else << 410
410 fMinEnergyTR = fTheMinEnergyTR; << 411 if(fGammaTkinCut > fTheMinEnergyTR) fMinEnergyTR = fGammaTkinCut;
411 << 412 else fMinEnergyTR = fTheMinEnergyTR;
412 if(fGammaTkinCut > fTheMaxEnergyTR) << 413
413 fMaxEnergyTR = 2.0 * fGammaTkinCut; << 414 if(fGammaTkinCut > fTheMaxEnergyTR) fMaxEnergyTR = 2.0*fGammaTkinCut;
414 else << 415 else fMaxEnergyTR = fTheMaxEnergyTR;
415 fMaxEnergyTR = fTheMaxEnergyTR; <<
416 416
417 auto energyVector = << 417 G4PhysicsLogVector* energyVector = new G4PhysicsLogVector( fMinEnergyTR,
418 new G4PhysicsLogVector(fMinEnergyTR, fMaxE << 418 fMaxEnergyTR,
>> 419 fBinTR );
419 420
420 G4Integrator<G4VXTRenergyLoss, G4double (G4V << 421 G4Integrator<G4VXTRenergyLoss,G4double(G4VXTRenergyLoss::*)(G4double)> integral;
421 integral; <<
422 422
423 G4cout.precision(4); 423 G4cout.precision(4);
424 G4Timer timer; 424 G4Timer timer;
425 timer.Start(); 425 timer.Start();
426 426
427 for(iTkin = 0; iTkin < fTotBin; ++iTkin) // << 427 for( iTkin = 0; iTkin < fTotBin; iTkin++ ) // Lorentz factor loop
428 { 428 {
429 fGamma = <<
430 1.0 + (fProtonEnergyVector->GetLowEdgeEn <<
431 429
432 if(fMaxThetaTR > fTheMaxAngle) << 430 fGamma = 1.0 + (fProtonEnergyVector->
433 fMaxThetaTR = fTheMaxAngle; << 431 GetLowEdgeEnergy(iTkin)/proton_mass_c2);
434 else if(fMaxThetaTR < fTheMinAngle) <<
435 fMaxThetaTR = fTheMinAngle; <<
436 432
437 fAngleForEnergyTable = new G4PhysicsTable( << 433 fMaxThetaTR = 25*2500.0/(fGamma*fGamma) ; // theta^2
438 434
439 for(iTR = 0; iTR < fBinTR; ++iTR) << 435 fTheMinAngle = 1.0e-3; // was 5.e-6, e-6 !!!, e-5, e-4
440 { <<
441 angleSum = 0.0; <<
442 fEnergy = energyVector->GetLowEdgeEnerg <<
443 <<
444 // log-vector to increase number of thin <<
445 auto angleVector = new G4PhysicsLogVecto <<
446 436
>> 437 if( fMaxThetaTR > fTheMaxAngle ) fMaxThetaTR = fTheMaxAngle;
>> 438 else if( fMaxThetaTR < fTheMinAngle ) fMaxThetaTR = fTheMinAngle;
447 439
>> 440 fAngleForEnergyTable = new G4PhysicsTable(fBinTR);
448 441
449 angleVector->PutValue(fBinTR - 1, angleS << 442 for( iTR = 0; iTR < fBinTR; iTR++ )
>> 443 {
>> 444 angleSum = 0.0;
>> 445 fEnergy = energyVector->GetLowEdgeEnergy(iTR);
>> 446 G4PhysicsLinearVector* angleVector = new G4PhysicsLinearVector(0.0,
>> 447 fMaxThetaTR,
>> 448 fBinTR );
>> 449
>> 450 angleVector ->PutValue(fBinTR - 1, angleSum);
450 451
451 for(i = fBinTR - 2; i >= 0; --i) << 452 for( i = fBinTR - 2; i >= 0; i-- )
452 { 453 {
453 // Legendre96 or Legendre10 << 454 // Legendre96 or Legendre10
454 455
455 angleSum += << 456 angleSum += integral.Legendre10(
456 integral.Legendre10(this, &G4VXTRene << 457 this,&G4VXTRenergyLoss::SpectralAngleXTRdEdx,
457 angleVector->Get << 458 angleVector->GetLowEdgeEnergy(i),
458 angleVector->Get << 459 angleVector->GetLowEdgeEnergy(i+1) );
459 460
460 angleVector->PutValue(i, angleSum); << 461 angleVector ->PutValue(i, angleSum);
461 } 462 }
462 fAngleForEnergyTable->insertAt(iTR, angl 463 fAngleForEnergyTable->insertAt(iTR, angleVector);
463 } 464 }
464 fAngleBank.push_back(fAngleForEnergyTable) << 465 fAngleBank.push_back(fAngleForEnergyTable);
465 } << 466 }
466 timer.Stop(); 467 timer.Stop();
467 G4cout.precision(6); 468 G4cout.precision(6);
468 if(verboseLevel > 0) << 469 if(verboseLevel > 0)
469 { 470 {
470 G4cout << G4endl; << 471 G4cout<<G4endl;
471 G4cout << "total time for build X-ray TR a << 472 G4cout<<"total time for build X-ray TR angle for energy loss tables = "
472 << timer.GetUserElapsed() << " s" < << 473 <<timer.GetUserElapsed()<<" s"<<G4endl;
473 } 474 }
474 fGamma = 0.; 475 fGamma = 0.;
475 delete energyVector; 476 delete energyVector;
476 } 477 }
477 478
478 ////////////////////////////////////////////// 479 ////////////////////////////////////////////////////////////////////////
479 // Build XTR angular distribution at given ene << 480 //
>> 481 // Build XTR angular distribution at given energy based on the model
480 // of transparent regular radiator 482 // of transparent regular radiator
>> 483
481 void G4VXTRenergyLoss::BuildAngleTable() 484 void G4VXTRenergyLoss::BuildAngleTable()
482 { 485 {
483 G4int iTkin, iTR; 486 G4int iTkin, iTR;
484 G4double energy; << 487 G4double energy;
485 488
486 fGammaTkinCut = 0.0; 489 fGammaTkinCut = 0.0;
487 << 490
488 // setting of min/max TR energies << 491 // setting of min/max TR energies
489 if(fGammaTkinCut > fTheMinEnergyTR) << 492
490 fMinEnergyTR = fGammaTkinCut; << 493 if(fGammaTkinCut > fTheMinEnergyTR) fMinEnergyTR = fGammaTkinCut;
491 else << 494 else fMinEnergyTR = fTheMinEnergyTR;
492 fMinEnergyTR = fTheMinEnergyTR; << 495
493 << 496 if(fGammaTkinCut > fTheMaxEnergyTR) fMaxEnergyTR = 2.0*fGammaTkinCut;
494 if(fGammaTkinCut > fTheMaxEnergyTR) << 497 else fMaxEnergyTR = fTheMaxEnergyTR;
495 fMaxEnergyTR = 2.0 * fGammaTkinCut; <<
496 else <<
497 fMaxEnergyTR = fTheMaxEnergyTR; <<
498 498
499 G4cout.precision(4); 499 G4cout.precision(4);
500 G4Timer timer; 500 G4Timer timer;
501 timer.Start(); 501 timer.Start();
502 if(verboseLevel > 0) << 502 if(verboseLevel > 0)
503 { 503 {
504 G4cout << G4endl << "Lorentz Factor" << "\ << 504 G4cout<<G4endl;
505 << "XTR photon number" << G4endl << << 505 G4cout<<"Lorentz Factor"<<"\t"<<"XTR photon number"<<G4endl;
>> 506 G4cout<<G4endl;
506 } 507 }
507 for(iTkin = 0; iTkin < fTotBin; ++iTkin) // << 508 for( iTkin = 0; iTkin < fTotBin; iTkin++ ) // Lorentz factor loop
508 { 509 {
509 fGamma = << 510
510 1.0 + (fProtonEnergyVector->GetLowEdgeEn << 511 fGamma = 1.0 + (fProtonEnergyVector->
>> 512 GetLowEdgeEnergy(iTkin)/proton_mass_c2);
511 513
512 // fMaxThetaTR = 25. * 2500.0 / (fGamma * << 514 fMaxThetaTR = 25*2500.0/(fGamma*fGamma); // theta^2
513 515
514 if(fMaxThetaTR > fTheMaxAngle) << 516 fTheMinAngle = 1.0e-3; // was 5.e-6, e-6 !!!, e-5, e-4
515 fMaxThetaTR = fTheMaxAngle; << 517
>> 518 if( fMaxThetaTR > fTheMaxAngle ) fMaxThetaTR = fTheMaxAngle;
516 else 519 else
517 { 520 {
518 if(fMaxThetaTR < fTheMinAngle) << 521 if( fMaxThetaTR < fTheMinAngle ) fMaxThetaTR = fTheMinAngle;
519 fMaxThetaTR = fTheMinAngle; <<
520 } 522 }
521 523
522 fAngleForEnergyTable = new G4PhysicsTable( 524 fAngleForEnergyTable = new G4PhysicsTable(fBinTR);
523 525
524 for(iTR = 0; iTR < fBinTR; ++iTR) << 526 for( iTR = 0; iTR < fBinTR; iTR++ )
525 { 527 {
>> 528 // energy = fMinEnergyTR*(iTR+1);
>> 529
526 energy = fXTREnergyVector->GetLowEdgeEne 530 energy = fXTREnergyVector->GetLowEdgeEnergy(iTR);
527 531
528 G4PhysicsFreeVector* angleVector = GetAn << 532 G4PhysicsFreeVector* angleVector = GetAngleVector(energy,fBinTR);
>> 533 // G4cout<<G4endl;
529 534
530 fAngleForEnergyTable->insertAt(iTR, angl << 535 fAngleForEnergyTable->insertAt(iTR,angleVector);
531 } 536 }
532 fAngleBank.push_back(fAngleForEnergyTable) << 537
533 } << 538 fAngleBank.push_back(fAngleForEnergyTable);
>> 539 }
534 timer.Stop(); 540 timer.Stop();
535 G4cout.precision(6); 541 G4cout.precision(6);
536 if(verboseLevel > 0) << 542 if(verboseLevel > 0)
537 { 543 {
538 G4cout << G4endl; << 544 G4cout<<G4endl;
539 G4cout << "total time for build XTR angle << 545 G4cout<<"total time for build XTR angle for given energy tables = "
540 << timer.GetUserElapsed() << " s" < << 546 <<timer.GetUserElapsed()<<" s"<<G4endl;
541 } 547 }
542 fGamma = 0.; 548 fGamma = 0.;
543 << 549
544 return; 550 return;
545 } << 551 }
546 552
547 ////////////////////////////////////////////// 553 /////////////////////////////////////////////////////////////////////////
>> 554 //
548 // Vector of angles and angle integral distrib 555 // Vector of angles and angle integral distributions
>> 556
549 G4PhysicsFreeVector* G4VXTRenergyLoss::GetAngl 557 G4PhysicsFreeVector* G4VXTRenergyLoss::GetAngleVector(G4double energy, G4int n)
550 { 558 {
551 G4double theta = 0., result, tmp = 0., cof1, << 559 G4double theta=0., result, tmp=0., cof1, cof2, cofMin, cofPHC, angleSum = 0.;
552 angleSum = 0.; << 560 G4int iTheta, k, /*kMax,*/ kMin;
553 G4int iTheta, k, kMin; << 561
554 << 562 G4PhysicsFreeVector* angleVector = new G4PhysicsFreeVector(n);
555 auto angleVector = new G4PhysicsFreeVector(n << 563
556 << 564 cofPHC = 4.*pi*hbarc;
557 cofPHC = 4. * pi * hbarc; << 565 tmp = (fSigma1 - fSigma2)/cofPHC/energy;
558 tmp = (fSigma1 - fSigma2) / cofPHC / ener << 566 cof1 = fPlateThick*tmp;
559 cof1 = fPlateThick * tmp; << 567 cof2 = fGasThick*tmp;
560 cof2 = fGasThick * tmp; <<
561 568
562 cofMin = energy * (fPlateThick + fGasThick) << 569 cofMin = energy*(fPlateThick + fGasThick)/fGamma/fGamma;
563 cofMin += (fPlateThick * fSigma1 + fGasThick << 570 cofMin += (fPlateThick*fSigma1 + fGasThick*fSigma2)/energy;
564 cofMin /= cofPHC; 571 cofMin /= cofPHC;
565 572
566 kMin = G4int(cofMin); 573 kMin = G4int(cofMin);
567 if(cofMin > kMin) << 574 if (cofMin > kMin) kMin++;
568 kMin++; << 575
>> 576 //kMax = kMin + fBinTR -1;
569 577
570 if(verboseLevel > 2) 578 if(verboseLevel > 2)
571 { 579 {
572 G4cout << "n-1 = " << n - 1 << 580 G4cout<<"n-1 = "<<n-1<<"; theta = "
573 << "; theta = " << std::sqrt(fMaxTh << 581 <<std::sqrt(fMaxThetaTR)*fGamma<<"; tmp = "
574 << "; tmp = " << 0. << "; angleS << 582 <<0.
>> 583 <<"; angleSum = "<<angleSum<<G4endl;
575 } 584 }
>> 585 // angleVector->PutValue(n-1,fMaxThetaTR, angleSum);
576 586
577 for(iTheta = n - 1; iTheta >= 1; --iTheta) << 587 for( iTheta = n - 1; iTheta >= 1; iTheta-- )
578 { 588 {
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 <<
583 589
584 if(k == kMin && kMin == G4int(cofMin)) << 590 k = iTheta - 1 + kMin;
>> 591
>> 592 tmp = pi*fPlateThick*(k + cof2)/(fPlateThick + fGasThick);
>> 593
>> 594 result = (k - cof1)*(k - cof1)*(k + cof2)*(k + cof2);
>> 595
>> 596 tmp = std::sin(tmp)*std::sin(tmp)*std::abs(k-cofMin)/result;
>> 597
>> 598 if( k == kMin && kMin == G4int(cofMin) )
585 { 599 {
586 // angleSum += 0.5 * tmp; << 600 angleSum += 0.5*tmp; // 0.5*std::sin(tmp)*std::sin(tmp)*std::abs(k-cofMin)/result;
587 angleSum += tmp; // ATLAS TB <<
588 } 601 }
589 else if(iTheta == n - 1) << 602 else if(iTheta == n-1);
590 ; <<
591 else 603 else
592 { 604 {
593 angleSum += tmp; << 605 angleSum += tmp; // std::sin(tmp)*std::sin(tmp)*std::abs(k-cofMin)/result;
594 } 606 }
595 theta = std::abs(k - cofMin) * cofPHC / en << 607 theta = std::abs(k-cofMin)*cofPHC/energy/(fPlateThick + fGasThick);
596 608
597 if(verboseLevel > 2) 609 if(verboseLevel > 2)
598 { 610 {
599 G4cout << "iTheta = " << iTheta << "; k << 611 G4cout<<"iTheta = "<<iTheta<<"; k = "<<k<<"; theta = "
600 << "; theta = " << std::sqrt(thet << 612 <<std::sqrt(theta)*fGamma<<"; tmp = "
601 << "; angleSum = " << angleSum << 613 <<tmp // std::sin(tmp)*std::sin(tmp)*std::abs(k-cofMin)/result
>> 614 <<"; angleSum = "<<angleSum<<G4endl;
602 } 615 }
603 angleVector->PutValue(iTheta, theta, angle << 616 angleVector->PutValue( iTheta, theta, angleSum );
604 } 617 }
605 if(theta > 0.) << 618 if (theta > 0.)
606 { 619 {
607 // angleSum += 0.5 * tmp; << 620 angleSum += 0.5*tmp;
608 angleSum += 0.; // ATLAS TB << 621 theta = 0.;
609 theta = 0.; <<
610 } 622 }
611 if(verboseLevel > 2) 623 if(verboseLevel > 2)
612 { 624 {
613 G4cout << "iTheta = " << iTheta << "; thet << 625 G4cout<<"iTheta = "<<iTheta<<"; theta = "
614 << "; tmp = " << tmp << "; angle << 626 <<std::sqrt(theta)*fGamma<<"; tmp = "
>> 627 <<tmp
>> 628 <<"; angleSum = "<<angleSum<<G4endl;
615 } 629 }
616 angleVector->PutValue(iTheta, theta, angleSu << 630 angleVector->PutValue( iTheta, theta, angleSum );
617 631
618 return angleVector; 632 return angleVector;
619 } 633 }
620 634
621 ////////////////////////////////////////////// 635 ////////////////////////////////////////////////////////////////////////
622 // Build XTR angular distribution based on the << 636 //
623 // radiator << 637 // Build XTR angular distribution based on the model of transparent regular radiator
>> 638
624 void G4VXTRenergyLoss::BuildGlobalAngleTable() 639 void G4VXTRenergyLoss::BuildGlobalAngleTable()
625 { 640 {
626 G4int iTkin, iTR, iPlace; 641 G4int iTkin, iTR, iPlace;
627 G4double radiatorCof = 1.0; // for tuning o << 642 G4double radiatorCof = 1.0; // for tuning of XTR yield
628 G4double angleSum; 643 G4double angleSum;
629 fAngleDistrTable = new G4PhysicsTable(fTotBi 644 fAngleDistrTable = new G4PhysicsTable(fTotBin);
630 645
631 fGammaTkinCut = 0.0; 646 fGammaTkinCut = 0.0;
632 << 647
633 // setting of min/max TR energies << 648 // setting of min/max TR energies
634 if(fGammaTkinCut > fTheMinEnergyTR) << 649
635 fMinEnergyTR = fGammaTkinCut; << 650 if(fGammaTkinCut > fTheMinEnergyTR) fMinEnergyTR = fGammaTkinCut;
636 else << 651 else fMinEnergyTR = fTheMinEnergyTR;
637 fMinEnergyTR = fTheMinEnergyTR; << 652
638 << 653 if(fGammaTkinCut > fTheMaxEnergyTR) fMaxEnergyTR = 2.0*fGammaTkinCut;
639 if(fGammaTkinCut > fTheMaxEnergyTR) << 654 else fMaxEnergyTR = fTheMaxEnergyTR;
640 fMaxEnergyTR = 2.0 * fGammaTkinCut; <<
641 else <<
642 fMaxEnergyTR = fTheMaxEnergyTR; <<
643 655
644 G4cout.precision(4); 656 G4cout.precision(4);
645 G4Timer timer; 657 G4Timer timer;
646 timer.Start(); 658 timer.Start();
647 if(verboseLevel > 0) << 659 if(verboseLevel > 0) {
648 { << 660 G4cout<<G4endl;
649 G4cout << G4endl; << 661 G4cout<<"Lorentz Factor"<<"\t"<<"XTR photon number"<<G4endl;
650 G4cout << "Lorentz Factor" << 662 G4cout<<G4endl;
651 << "\t" << 663 }
652 << "XTR photon number" << G4endl; << 664 for( iTkin = 0; iTkin < fTotBin; iTkin++ ) // Lorentz factor loop
653 G4cout << G4endl; <<
654 } <<
655 for(iTkin = 0; iTkin < fTotBin; ++iTkin) // <<
656 { 665 {
657 fGamma = << 666
658 1.0 + (fProtonEnergyVector->GetLowEdgeEn << 667 fGamma = 1.0 + (fProtonEnergyVector->
>> 668 GetLowEdgeEnergy(iTkin)/proton_mass_c2);
659 669
660 // fMaxThetaTR = 25.0 / (fGamma * fGamma); << 670 fMaxThetaTR = 25.0/(fGamma*fGamma); // theta^2
661 // fMaxThetaTR = 1.e-4; // theta^2 <<
662 671
663 if(fMaxThetaTR > fTheMaxAngle) << 672 fTheMinAngle = 1.0e-3; // was 5.e-6, e-6 !!!, e-5, e-4
664 fMaxThetaTR = fTheMaxAngle; << 673
>> 674 if( fMaxThetaTR > fTheMaxAngle ) fMaxThetaTR = fTheMaxAngle;
665 else 675 else
666 { 676 {
667 if(fMaxThetaTR < fTheMinAngle) << 677 if( fMaxThetaTR < fTheMinAngle ) fMaxThetaTR = fTheMinAngle;
668 fMaxThetaTR = fTheMinAngle; <<
669 } 678 }
670 auto angleVector = << 679 G4PhysicsLinearVector* angleVector = new G4PhysicsLinearVector(0.0,
671 // G4PhysicsLogVector* angleVector = << 680 fMaxThetaTR,
672 new G4PhysicsLinearVector(0.0, fMaxTheta << 681 fBinTR );
673 // new G4PhysicsLogVector(1.e-8, fMaxThet <<
674 682
675 angleSum = 0.0; << 683 angleSum = 0.0;
676 684
677 G4Integrator<G4VXTRenergyLoss, G4double (G << 685 G4Integrator<G4VXTRenergyLoss,G4double(G4VXTRenergyLoss::*)(G4double)> integral;
678 integral; <<
679 686
680 angleVector->PutValue(fBinTR - 1, angleSum << 687
>> 688 angleVector->PutValue(fBinTR-1,angleSum);
681 689
682 for(iTR = fBinTR - 2; iTR >= 0; --iTR) << 690 for( iTR = fBinTR - 2; iTR >= 0; iTR-- )
683 { 691 {
684 angleSum += radiatorCof * fCofTR * <<
685 integral.Legendre96(this, &G <<
686 angleVec <<
687 angleVec <<
688 692
689 angleVector->PutValue(iTR, angleSum); << 693 angleSum += radiatorCof*fCofTR*integral.Legendre96(
>> 694 this,&G4VXTRenergyLoss::AngleXTRdEdx,
>> 695 angleVector->GetLowEdgeEnergy(iTR),
>> 696 angleVector->GetLowEdgeEnergy(iTR+1) );
>> 697
>> 698 angleVector ->PutValue(iTR,angleSum);
690 } 699 }
691 if(verboseLevel > 1) << 700 if(verboseLevel > 1) {
692 { << 701 G4cout
693 G4cout << fGamma << "\t" << angleSum << << 702 // <<iTkin<<"\t"
>> 703 // <<"fGamma = "
>> 704 <<fGamma<<"\t" // <<" fMaxThetaTR = "<<fMaxThetaTR
>> 705 // <<"sumN = "<<energySum // <<"; sumA = "
>> 706 <<angleSum
>> 707 <<G4endl;
694 } 708 }
695 iPlace = iTkin; 709 iPlace = iTkin;
696 fAngleDistrTable->insertAt(iPlace, angleVe << 710 fAngleDistrTable->insertAt(iPlace,angleVector);
697 } << 711 }
698 timer.Stop(); 712 timer.Stop();
699 G4cout.precision(6); 713 G4cout.precision(6);
700 if(verboseLevel > 0) << 714 if(verboseLevel > 0) {
701 { << 715 G4cout<<G4endl;
702 G4cout << G4endl; << 716 G4cout<<"total time for build X-ray TR angle tables = "
703 G4cout << "total time for build X-ray TR a << 717 <<timer.GetUserElapsed()<<" s"<<G4endl;
704 << timer.GetUserElapsed() << " s" < <<
705 } 718 }
706 fGamma = 0.; 719 fGamma = 0.;
707 << 720
708 return; 721 return;
709 } << 722 }
>> 723
710 724
711 ////////////////////////////////////////////// 725 //////////////////////////////////////////////////////////////////////////////
712 // The main function which is responsible for << 726 //
713 // passage through G4Envelope with discrete ge << 727 // The main function which is responsible for the treatment of a particle passage
714 G4VParticleChange* G4VXTRenergyLoss::PostStepD << 728 // trough G4Envelope with discrete generation of G4Gamma
715 << 729
>> 730 G4VParticleChange* G4VXTRenergyLoss::PostStepDoIt( const G4Track& aTrack,
>> 731 const G4Step& aStep )
716 { 732 {
717 G4int iTkin; << 733 G4int iTkin /*, iPlace*/;
718 G4double energyTR, theta, theta2, phi, dirX, << 734 G4double energyTR, theta,theta2, phi, dirX, dirY, dirZ;
>> 735
719 736
720 fParticleChange.Initialize(aTrack); 737 fParticleChange.Initialize(aTrack);
721 738
722 if(verboseLevel > 1) 739 if(verboseLevel > 1)
723 { 740 {
724 G4cout << "Start of G4VXTRenergyLoss::Post << 741 G4cout<<"Start of G4VXTRenergyLoss::PostStepDoIt "<<G4endl;
725 G4cout << "name of current material = " << 742 G4cout<<"name of current material = "
726 << aTrack.GetVolume()->GetLogicalVo << 743 <<aTrack.GetVolume()->GetLogicalVolume()->GetMaterial()->GetName()<<G4endl;
727 << G4endl; <<
728 } 744 }
729 if(aTrack.GetVolume()->GetLogicalVolume() != << 745 if( aTrack.GetVolume()->GetLogicalVolume() != fEnvelope )
730 { 746 {
731 if(verboseLevel > 0) 747 if(verboseLevel > 0)
732 { 748 {
733 G4cout << "Go out from G4VXTRenergyLoss: << 749 G4cout<<"Go out from G4VXTRenergyLoss::PostStepDoIt: wrong volume "<<G4endl;
734 << G4endl; <<
735 } 750 }
736 return G4VDiscreteProcess::PostStepDoIt(aT 751 return G4VDiscreteProcess::PostStepDoIt(aTrack, aStep);
737 } 752 }
738 else 753 else
739 { 754 {
740 G4StepPoint* pPostStepPoint = aStep 755 G4StepPoint* pPostStepPoint = aStep.GetPostStepPoint();
741 const G4DynamicParticle* aParticle = aTrac 756 const G4DynamicParticle* aParticle = aTrack.GetDynamicParticle();
742 << 757
743 // Now we are ready to Generate one TR pho 758 // Now we are ready to Generate one TR photon
>> 759
744 G4double kinEnergy = aParticle->GetKinetic 760 G4double kinEnergy = aParticle->GetKineticEnergy();
745 G4double mass = aParticle->GetDefinit 761 G4double mass = aParticle->GetDefinition()->GetPDGMass();
746 G4double gamma = 1.0 + kinEnergy / mas << 762 G4double gamma = 1.0 + kinEnergy/mass;
747 763
748 if(verboseLevel > 1) << 764 if(verboseLevel > 1 )
749 { 765 {
750 G4cout << "gamma = " << gamma << G4endl; << 766 G4cout<<"gamma = "<<gamma<<G4endl;
751 } 767 }
752 G4double massRatio = proton_mass << 768 G4double massRatio = proton_mass_c2/mass;
753 G4double TkinScaled = kinEnergy * << 769 G4double TkinScaled = kinEnergy*massRatio;
754 G4ThreeVector position = pPostStepPo << 770 G4ThreeVector position = pPostStepPoint->GetPosition();
755 G4ParticleMomentum direction = aParticle-> 771 G4ParticleMomentum direction = aParticle->GetMomentumDirection();
756 G4double startTime = pPostStepPo << 772 G4double startTime = pPostStepPoint->GetGlobalTime();
757 773
758 for(iTkin = 0; iTkin < fTotBin; ++iTkin) << 774 for( iTkin = 0; iTkin < fTotBin; iTkin++ )
759 { 775 {
760 if(TkinScaled < fProtonEnergyVector->Get << 776 if(TkinScaled < fProtonEnergyVector->GetLowEdgeEnergy(iTkin)) break;
761 break; <<
762 } 777 }
>> 778 //iPlace = iTkin - 1;
763 779
764 if(iTkin == 0) // Tkin is too small, negl << 780 if(iTkin == 0) // Tkin is too small, neglect of TR photon generation
765 { 781 {
766 if(verboseLevel > 0) << 782 if( verboseLevel > 0)
767 { 783 {
768 G4cout << "Go out from G4VXTRenergyLos << 784 G4cout<<"Go out from G4VXTRenergyLoss::PostStepDoIt:iTkin = "<<iTkin<<G4endl;
769 << G4endl; <<
770 } 785 }
771 return G4VDiscreteProcess::PostStepDoIt( 786 return G4VDiscreteProcess::PostStepDoIt(aTrack, aStep);
772 } << 787 }
773 else // general case: Tkin between two ve << 788 else // general case: Tkin between two vectors of the material
774 { 789 {
775 fParticleChange.SetNumberOfSecondaries(1 790 fParticleChange.SetNumberOfSecondaries(1);
776 791
777 energyTR = GetXTRrandomEnergy(TkinScaled << 792 energyTR = GetXTRrandomEnergy(TkinScaled,iTkin);
778 793
779 if(verboseLevel > 1) << 794 if( verboseLevel > 1)
780 { 795 {
781 G4cout << "energyTR = " << energyTR / << 796 G4cout<<"energyTR = "<<energyTR/keV<<" keV"<<G4endl;
782 } 797 }
783 if(fAngleRadDistr) << 798 if ( fAngleRadDistr )
784 { 799 {
785 theta2 = GetRandomAngle(energyTR, iTki << 800 // theta = std::fabs(G4RandGauss::shoot(0.0,pi/gamma));
786 if(theta2 > 0.) << 801
787 theta = std::sqrt(theta2); << 802 theta2 = GetRandomAngle(energyTR,iTkin);
788 else << 803
789 theta = 0.; << 804 if( theta2 > 0.) theta = std::sqrt(theta2);
>> 805 else theta = 0.; // theta2;
790 } 806 }
791 else << 807 else theta = std::fabs(G4RandGauss::shoot(0.0,pi/gamma));
792 theta = std::fabs(G4RandGauss::shoot(0 << 808
>> 809 // theta = 0.; // check no spread
>> 810
>> 811 if( theta >= 0.1 ) theta = 0.1;
793 812
794 if(theta >= 0.1) << 813 // G4cout<<" : theta = "<<theta<<endl;
795 theta = 0.1; <<
796 814
797 phi = twopi * G4UniformRand(); << 815 phi = twopi*G4UniformRand();
798 816
799 dirX = std::sin(theta) * std::cos(phi); << 817 dirX = std::sin(theta)*std::cos(phi);
800 dirY = std::sin(theta) * std::sin(phi); << 818 dirY = std::sin(theta)*std::sin(phi);
801 dirZ = std::cos(theta); 819 dirZ = std::cos(theta);
802 820
803 G4ThreeVector directionTR(dirX, dirY, di << 821 G4ThreeVector directionTR(dirX,dirY,dirZ);
804 directionTR.rotateUz(direction); 822 directionTR.rotateUz(direction);
805 directionTR.unit(); 823 directionTR.unit();
806 824
807 auto aPhotonTR = << 825 G4DynamicParticle* aPhotonTR = new G4DynamicParticle(G4Gamma::Gamma(),
808 new G4DynamicParticle(G4Gamma::Gamma() << 826 directionTR, energyTR);
809 827
810 // A XTR photon is set on the particle t << 828 // A XTR photon is set on the particle track inside the radiator
811 // and is moved to the G4Envelope surfac 829 // and is moved to the G4Envelope surface for standard X-ray TR models
812 // only. The case of fExitFlux=true 830 // only. The case of fExitFlux=true
813 831
814 if(fExitFlux) << 832 if( fExitFlux )
815 { 833 {
816 const G4RotationMatrix* rotM = << 834 const G4RotationMatrix* rotM = pPostStepPoint->GetTouchable()->GetRotation();
817 pPostStepPoint->GetTouchable()->GetR <<
818 G4ThreeVector transl = pPostStepPoint- 835 G4ThreeVector transl = pPostStepPoint->GetTouchable()->GetTranslation();
819 G4AffineTransform transform = G4Affine << 836 G4AffineTransform transform = G4AffineTransform(rotM,transl);
820 transform.Invert(); 837 transform.Invert();
821 G4ThreeVector localP = transform.Trans 838 G4ThreeVector localP = transform.TransformPoint(position);
822 G4ThreeVector localV = transform.Trans 839 G4ThreeVector localV = transform.TransformAxis(directionTR);
823 840
824 G4double distance = << 841 G4double distance = fEnvelope->GetSolid()->DistanceToOut(localP, localV);
825 fEnvelope->GetSolid()->DistanceToOut <<
826 if(verboseLevel > 1) 842 if(verboseLevel > 1)
827 { 843 {
828 G4cout << "distance to exit = " << d << 844 G4cout<<"distance to exit = "<<distance/mm<<" mm"<<G4endl;
829 } 845 }
830 position += distance * directionTR; << 846 position += distance*directionTR;
831 startTime += distance / c_light; << 847 startTime += distance/c_light;
832 } 848 }
833 G4Track* aSecondaryTrack = new G4Track(a << 849 G4Track* aSecondaryTrack = new G4Track( aPhotonTR,
>> 850 startTime, position );
834 aSecondaryTrack->SetTouchableHandle( 851 aSecondaryTrack->SetTouchableHandle(
835 aStep.GetPostStepPoint()->GetTouchable << 852 aStep.GetPostStepPoint()->GetTouchableHandle());
836 aSecondaryTrack->SetParentID(aTrack.GetT << 853 aSecondaryTrack->SetParentID( aTrack.GetTrackID() );
837 854
838 fParticleChange.AddSecondary(aSecondaryT 855 fParticleChange.AddSecondary(aSecondaryTrack);
839 fParticleChange.ProposeEnergy(kinEnergy) << 856 fParticleChange.ProposeEnergy(kinEnergy);
840 } 857 }
841 } 858 }
842 return G4VDiscreteProcess::PostStepDoIt(aTra 859 return G4VDiscreteProcess::PostStepDoIt(aTrack, aStep);
843 } 860 }
844 861
845 ////////////////////////////////////////////// 862 ///////////////////////////////////////////////////////////////////////
>> 863 //
846 // This function returns the spectral and angl 864 // This function returns the spectral and angle density of TR quanta
847 // in X-ray energy region generated forward wh 865 // in X-ray energy region generated forward when a relativistic
848 // charged particle crosses interface between 866 // charged particle crosses interface between two materials.
849 // The high energy small theta approximation i 867 // The high energy small theta approximation is applied.
850 // (matter1 -> matter2, or 2->1) 868 // (matter1 -> matter2, or 2->1)
851 // varAngle =2* (1 - std::cos(theta)) or appro 869 // varAngle =2* (1 - std::cos(theta)) or approximately = theta*theta
852 G4complex G4VXTRenergyLoss::OneInterfaceXTRdEd << 870 //
853 << 871
854 { << 872 G4complex G4VXTRenergyLoss::OneInterfaceXTRdEdx( G4double energy,
855 G4complex Z1 = GetPlateComplexFZ(energy, gam << 873 G4double gamma,
856 G4complex Z2 = GetGasComplexFZ(energy, gamma << 874 G4double varAngle )
>> 875 {
>> 876 G4complex Z1 = GetPlateComplexFZ(energy,gamma,varAngle);
>> 877 G4complex Z2 = GetGasComplexFZ(energy,gamma,varAngle);
>> 878
>> 879 G4complex zOut = (Z1 - Z2)*(Z1 - Z2)
>> 880 * (varAngle*energy/hbarc/hbarc);
>> 881 return zOut;
857 882
858 G4complex zOut = (Z1 - Z2) * (Z1 - Z2) * (va <<
859 return zOut; <<
860 } 883 }
861 884
>> 885
862 ////////////////////////////////////////////// 886 //////////////////////////////////////////////////////////////////////////////
>> 887 //
863 // For photon energy distribution tables. Inte 888 // For photon energy distribution tables. Integrate first over angle
>> 889 //
>> 890
864 G4double G4VXTRenergyLoss::SpectralAngleXTRdEd 891 G4double G4VXTRenergyLoss::SpectralAngleXTRdEdx(G4double varAngle)
865 { 892 {
866 G4double result = GetStackFactor(fEnergy, fG << 893 G4double result = GetStackFactor(fEnergy,fGamma,varAngle);
867 if(result < 0.0) << 894 if(result < 0.0) result = 0.0;
868 result = 0.0; <<
869 return result; 895 return result;
870 } 896 }
871 897
872 ////////////////////////////////////////////// 898 /////////////////////////////////////////////////////////////////////////
>> 899 //
873 // For second integration over energy 900 // For second integration over energy
>> 901
874 G4double G4VXTRenergyLoss::SpectralXTRdEdx(G4d 902 G4double G4VXTRenergyLoss::SpectralXTRdEdx(G4double energy)
875 { 903 {
876 G4int i; << 904 G4int i, iMax = 8;
877 static constexpr G4int iMax = 8; << 905 G4double angleSum = 0.0;
878 G4double angleSum = 0.0; <<
879 906
880 G4double lim[iMax] = { 0.0, 0.01, 0.02, 0.05 << 907 G4double lim[8] = { 0.0, 0.01, 0.02, 0.05, 0.1, 0.2, 0.5, 1.0 };
881 908
882 for(i = 0; i < iMax; ++i) << 909 for( i = 0; i < iMax; i++ ) lim[i] *= fMaxThetaTR;
883 lim[i] *= fMaxThetaTR; <<
884 910
885 G4Integrator<G4VXTRenergyLoss, G4double (G4V << 911 G4Integrator<G4VXTRenergyLoss,G4double(G4VXTRenergyLoss::*)(G4double)> integral;
886 integral; <<
887 912
888 fEnergy = energy; 913 fEnergy = energy;
>> 914 /*
>> 915 if( fAngleRadDistr && ( fEnergy == fEnergyForAngle ) )
>> 916 {
>> 917 fAngleVector ->PutValue(fBinTR - 1, angleSum);
>> 918
>> 919 for( i = fBinTR - 2; i >= 0; i-- )
>> 920 {
>> 921
>> 922 angleSum += integral.Legendre10(
>> 923 this,&G4VXTRenergyLoss::SpectralAngleXTRdEdx,
>> 924 fAngleVector->GetLowEdgeEnergy(i),
>> 925 fAngleVector->GetLowEdgeEnergy(i+1) );
>> 926
>> 927 fAngleVector ->PutValue(i, angleSum);
>> 928 }
>> 929 }
>> 930 else
>> 931 */
889 { 932 {
890 for(i = 0; i < iMax - 1; ++i) << 933 for( i = 0; i < iMax-1; i++ )
891 { 934 {
892 angleSum += integral.Legendre96( << 935 angleSum += integral.Legendre96(this,&G4VXTRenergyLoss::SpectralAngleXTRdEdx,
893 this, &G4VXTRenergyLoss::SpectralAngle << 936 lim[i],lim[i+1]);
>> 937 // result += integral.Legendre10(this,&G4VXTRenergyLoss::SpectralAngleXTRdEdx,
>> 938 // lim[i],lim[i+1]);
894 } 939 }
895 } 940 }
896 return angleSum; 941 return angleSum;
897 } << 942 }
898 << 943
899 ////////////////////////////////////////////// 944 //////////////////////////////////////////////////////////////////////////
>> 945 //
900 // for photon angle distribution tables 946 // for photon angle distribution tables
>> 947 //
>> 948
901 G4double G4VXTRenergyLoss::AngleSpectralXTRdEd 949 G4double G4VXTRenergyLoss::AngleSpectralXTRdEdx(G4double energy)
902 { 950 {
903 G4double result = GetStackFactor(energy, fGa << 951 G4double result = GetStackFactor(energy,fGamma,fVarAngle);
904 if(result < 0) << 952 if(result < 0) result = 0.0;
905 result = 0.0; <<
906 return result; 953 return result;
907 } << 954 }
908 955
909 ////////////////////////////////////////////// 956 ///////////////////////////////////////////////////////////////////////////
>> 957 //
910 // The XTR angular distribution based on trans 958 // The XTR angular distribution based on transparent regular radiator
911 G4double G4VXTRenergyLoss::AngleXTRdEdx(G4doub << 959
>> 960 G4double G4VXTRenergyLoss::AngleXTRdEdx(G4double varAngle)
912 { 961 {
>> 962 // G4cout<<"angle2 = "<<varAngle<<"; fGamma = "<<fGamma<<G4endl;
>> 963
913 G4double result; 964 G4double result;
914 G4double sum = 0., tmp1, tmp2, tmp = 0., cof << 965 G4double sum = 0., tmp1, tmp2, tmp=0., cof1, cof2, cofMin, cofPHC, energy1, energy2;
915 energy2; <<
916 G4int k, kMax, kMin, i; 966 G4int k, kMax, kMin, i;
917 967
918 cofPHC = twopi * hbarc; << 968 cofPHC = twopi*hbarc;
919 969
920 cof1 = (fPlateThick + fGasThick) * (1. / fGa << 970 cof1 = (fPlateThick + fGasThick)*(1./fGamma/fGamma + varAngle);
921 cof2 = fPlateThick * fSigma1 + fGasThick * f << 971 cof2 = fPlateThick*fSigma1 + fGasThick*fSigma2;
922 972
923 cofMin = std::sqrt(cof1 * cof2); << 973 // G4cout<<"cof1 = "<<cof1<<"; cof2 = "<<cof2<<"; cofPHC = "<<cofPHC<<G4endl;
>> 974
>> 975 cofMin = std::sqrt(cof1*cof2);
924 cofMin /= cofPHC; 976 cofMin /= cofPHC;
925 977
926 kMin = G4int(cofMin); 978 kMin = G4int(cofMin);
927 if(cofMin > kMin) << 979 if (cofMin > kMin) kMin++;
928 kMin++; << 980
>> 981 kMax = kMin + 9; // 9; // kMin + G4int(tmp);
929 982
930 kMax = kMin + 9; << 983 // G4cout<<"cofMin = "<<cofMin<<"; kMin = "<<kMin<<"; kMax = "<<kMax<<G4endl;
931 984
932 for(k = kMin; k <= kMax; ++k) << 985 for( k = kMin; k <= kMax; k++ )
933 { 986 {
934 tmp1 = cofPHC * k; << 987 tmp1 = cofPHC*k;
935 tmp2 = std::sqrt(tmp1 * tmp1 - cof1 * c << 988 tmp2 = std::sqrt(tmp1*tmp1-cof1*cof2);
936 energy1 = (tmp1 + tmp2) / cof1; << 989 energy1 = (tmp1+tmp2)/cof1;
937 energy2 = (tmp1 - tmp2) / cof1; << 990 energy2 = (tmp1-tmp2)/cof1;
938 991
939 for(i = 0; i < 2; ++i) << 992 for(i = 0; i < 2; i++)
940 { 993 {
941 if(i == 0) << 994 if( i == 0 )
942 { 995 {
943 if(energy1 > fTheMaxEnergyTR || energy << 996 if (energy1 > fTheMaxEnergyTR || energy1 < fTheMinEnergyTR) continue;
944 continue; <<
945 997
946 tmp1 = << 998 tmp1 = ( energy1*energy1*(1./fGamma/fGamma + varAngle) + fSigma1 )
947 (energy1 * energy1 * (1. / fGamma / << 999 * fPlateThick/(4*hbarc*energy1);
948 fPlateThick / (4 * hbarc * energy1); <<
949 tmp2 = std::sin(tmp1); 1000 tmp2 = std::sin(tmp1);
950 tmp = energy1 * tmp2 * tmp2; << 1001 tmp = energy1*tmp2*tmp2;
951 tmp2 = fPlateThick / (4. * tmp1); << 1002 tmp2 = fPlateThick/(4.*tmp1);
952 tmp1 = << 1003 tmp1 = hbarc*energy1/( energy1*energy1*(1./fGamma/fGamma + varAngle) + fSigma2 );
953 hbarc * energy1 / << 1004 tmp *= (tmp1-tmp2)*(tmp1-tmp2);
954 (energy1 * energy1 * (1. / fGamma / << 1005 tmp1 = cof1/(4.*hbarc) - cof2/(4.*hbarc*energy1*energy1);
955 tmp *= (tmp1 - tmp2) * (tmp1 - tmp2); << 1006 tmp2 = std::abs(tmp1);
956 tmp1 = cof1 / (4. * hbarc) - cof2 / (4 <<
957 tmp2 = std::abs(tmp1); <<
958 1007
959 if(tmp2 > 0.) << 1008 if(tmp2 > 0.) tmp /= tmp2;
960 tmp /= tmp2; << 1009 else continue;
961 else <<
962 continue; <<
963 } 1010 }
964 else 1011 else
965 { 1012 {
966 if(energy2 > fTheMaxEnergyTR || energy << 1013 if (energy2 > fTheMaxEnergyTR || energy2 < fTheMinEnergyTR) continue;
967 continue; <<
968 1014
969 tmp1 = << 1015 tmp1 = ( energy2*energy2*(1./fGamma/fGamma + varAngle) + fSigma1 )
970 (energy2 * energy2 * (1. / fGamma / << 1016 * fPlateThick/(4.*hbarc*energy2);
971 fPlateThick / (4. * hbarc * energy2) <<
972 tmp2 = std::sin(tmp1); 1017 tmp2 = std::sin(tmp1);
973 tmp = energy2 * tmp2 * tmp2; << 1018 tmp = energy2*tmp2*tmp2;
974 tmp2 = fPlateThick / (4. * tmp1); << 1019 tmp2 = fPlateThick/(4.*tmp1);
975 tmp1 = << 1020 tmp1 = hbarc*energy2/( energy2*energy2*(1./fGamma/fGamma + varAngle) + fSigma2 );
976 hbarc * energy2 / << 1021 tmp *= (tmp1-tmp2)*(tmp1-tmp2);
977 (energy2 * energy2 * (1. / fGamma / << 1022 tmp1 = cof1/(4.*hbarc) - cof2/(4.*hbarc*energy2*energy2);
978 tmp *= (tmp1 - tmp2) * (tmp1 - tmp2); << 1023 tmp2 = std::abs(tmp1);
979 tmp1 = cof1 / (4. * hbarc) - cof2 / (4 <<
980 tmp2 = std::abs(tmp1); <<
981 1024
982 if(tmp2 > 0.) << 1025 if(tmp2 > 0.) tmp /= tmp2;
983 tmp /= tmp2; << 1026 else continue;
984 else <<
985 continue; <<
986 } 1027 }
987 sum += tmp; 1028 sum += tmp;
988 } 1029 }
>> 1030 // G4cout<<"k = "<<k<<"; energy1 = "<<energy1/keV<<" keV; energy2 = "<<energy2/keV
>> 1031 // <<" keV; tmp = "<<tmp<<"; sum = "<<sum<<G4endl;
989 } 1032 }
990 result = 4. * pi * fPlateNumber * sum * varA << 1033 result = 4.*pi*fPlateNumber*sum*varAngle;
991 result /= hbarc * hbarc; << 1034 result /= hbarc*hbarc;
992 1035
>> 1036 // old code based on general numeric integration
>> 1037 // fVarAngle = varAngle;
>> 1038 // G4Integrator<G4VXTRenergyLoss,G4double(G4VXTRenergyLoss::*)(G4double)> integral;
>> 1039 // result = integral.Legendre10(this,&G4VXTRenergyLoss::AngleSpectralXTRdEdx,
>> 1040 // fMinEnergyTR,fMaxEnergyTR);
993 return result; 1041 return result;
994 } 1042 }
995 1043
>> 1044
>> 1045 //////////////////////////////////////////////////////////////////////
>> 1046 //////////////////////////////////////////////////////////////////////
996 ////////////////////////////////////////////// 1047 //////////////////////////////////////////////////////////////////////
>> 1048 //
997 // Calculates formation zone for plates. Omega 1049 // Calculates formation zone for plates. Omega is energy !!!
998 G4double G4VXTRenergyLoss::GetPlateFormationZo << 1050
999 << 1051 G4double G4VXTRenergyLoss::GetPlateFormationZone( G4double omega ,
>> 1052 G4double gamma ,
>> 1053 G4double varAngle )
1000 { 1054 {
1001 G4double cof, lambda; 1055 G4double cof, lambda;
1002 lambda = 1.0 / gamma / gamma + varAngle + f << 1056 lambda = 1.0/gamma/gamma + varAngle + fSigma1/omega/omega;
1003 cof = 2.0 * hbarc / omega / lambda; << 1057 cof = 2.0*hbarc/omega/lambda;
1004 return cof; 1058 return cof;
1005 } 1059 }
1006 1060
1007 ///////////////////////////////////////////// 1061 //////////////////////////////////////////////////////////////////////
>> 1062 //
1008 // Calculates complex formation zone for plat 1063 // Calculates complex formation zone for plates. Omega is energy !!!
1009 G4complex G4VXTRenergyLoss::GetPlateComplexFZ << 1064
1010 << 1065 G4complex G4VXTRenergyLoss::GetPlateComplexFZ( G4double omega ,
>> 1066 G4double gamma ,
>> 1067 G4double varAngle )
1011 { 1068 {
1012 G4double cof, length, delta, real_v, image_ << 1069 G4double cof, length,delta, real_v, image_v;
1013 1070
1014 length = 0.5 * GetPlateFormationZone(omega, << 1071 length = 0.5*GetPlateFormationZone(omega,gamma,varAngle);
1015 delta = length * GetPlateLinearPhotoAbs(om << 1072 delta = length*GetPlateLinearPhotoAbs(omega);
1016 cof = 1.0 / (1.0 + delta * delta); << 1073 cof = 1.0/(1.0 + delta*delta);
1017 1074
1018 real_v = length * cof; << 1075 real_v = length*cof;
1019 image_v = real_v * delta; << 1076 image_v = real_v*delta;
1020 1077
1021 G4complex zone(real_v, image_v); << 1078 G4complex zone(real_v,image_v);
1022 return zone; 1079 return zone;
1023 } 1080 }
1024 1081
1025 ///////////////////////////////////////////// 1082 ////////////////////////////////////////////////////////////////////////
>> 1083 //
1026 // Computes matrix of Sandia photo absorption 1084 // Computes matrix of Sandia photo absorption cross section coefficients for
1027 // plate material 1085 // plate material
1028 void G4VXTRenergyLoss::ComputePlatePhotoAbsCo << 1086
>> 1087 void G4VXTRenergyLoss::ComputePlatePhotoAbsCof()
1029 { 1088 {
1030 const G4MaterialTable* theMaterialTable = G 1089 const G4MaterialTable* theMaterialTable = G4Material::GetMaterialTable();
1031 const G4Material* mat = ( << 1090 const G4Material* mat = (*theMaterialTable)[fMatIndex1];
1032 fPlatePhotoAbsCof = m << 1091 fPlatePhotoAbsCof = mat->GetSandiaTable();
1033 1092
1034 return; 1093 return;
1035 } 1094 }
1036 1095
>> 1096
>> 1097
1037 ///////////////////////////////////////////// 1098 //////////////////////////////////////////////////////////////////////
1038 // Returns the value of linear photo absorpti << 1099 //
>> 1100 // Returns the value of linear photo absorption coefficient (in reciprocal
1039 // length) for plate for given energy of X-ra 1101 // length) for plate for given energy of X-ray photon omega
1040 G4double G4VXTRenergyLoss::GetPlateLinearPhot << 1102
>> 1103 G4double G4VXTRenergyLoss::GetPlateLinearPhotoAbs(G4double omega)
1041 { 1104 {
1042 G4double omega2, omega3, omega4; << 1105 // G4int i;
>> 1106 G4double omega2, omega3, omega4;
1043 1107
1044 omega2 = omega * omega; << 1108 omega2 = omega*omega;
1045 omega3 = omega2 * omega; << 1109 omega3 = omega2*omega;
1046 omega4 = omega2 * omega2; << 1110 omega4 = omega2*omega2;
1047 1111
1048 const G4double* SandiaCof = fPlatePhotoAbsC 1112 const G4double* SandiaCof = fPlatePhotoAbsCof->GetSandiaCofForMaterial(omega);
1049 G4double cross = SandiaCof[0] / << 1113 G4double cross = SandiaCof[0]/omega + SandiaCof[1]/omega2 +
1050 SandiaCof[2] / omega3 + Sa << 1114 SandiaCof[2]/omega3 + SandiaCof[3]/omega4;
1051 return cross; 1115 return cross;
1052 } 1116 }
1053 1117
>> 1118
1054 ///////////////////////////////////////////// 1119 //////////////////////////////////////////////////////////////////////
>> 1120 //
1055 // Calculates formation zone for gas. Omega i 1121 // Calculates formation zone for gas. Omega is energy !!!
1056 G4double G4VXTRenergyLoss::GetGasFormationZon << 1122
1057 << 1123 G4double G4VXTRenergyLoss::GetGasFormationZone( G4double omega ,
>> 1124 G4double gamma ,
>> 1125 G4double varAngle )
1058 { 1126 {
1059 G4double cof, lambda; 1127 G4double cof, lambda;
1060 lambda = 1.0 / gamma / gamma + varAngle + f << 1128 lambda = 1.0/gamma/gamma + varAngle + fSigma2/omega/omega;
1061 cof = 2.0 * hbarc / omega / lambda; << 1129 cof = 2.0*hbarc/omega/lambda;
1062 return cof; 1130 return cof;
1063 } 1131 }
1064 1132
>> 1133
1065 ///////////////////////////////////////////// 1134 //////////////////////////////////////////////////////////////////////
>> 1135 //
1066 // Calculates complex formation zone for gas 1136 // Calculates complex formation zone for gas gaps. Omega is energy !!!
1067 G4complex G4VXTRenergyLoss::GetGasComplexFZ(G << 1137
1068 G << 1138 G4complex G4VXTRenergyLoss::GetGasComplexFZ( G4double omega ,
>> 1139 G4double gamma ,
>> 1140 G4double varAngle )
1069 { 1141 {
1070 G4double cof, length, delta, real_v, image_ << 1142 G4double cof, length,delta, real_v, image_v;
1071 1143
1072 length = 0.5 * GetGasFormationZone(omega, g << 1144 length = 0.5*GetGasFormationZone(omega,gamma,varAngle);
1073 delta = length * GetGasLinearPhotoAbs(omeg << 1145 delta = length*GetGasLinearPhotoAbs(omega);
1074 cof = 1.0 / (1.0 + delta * delta); << 1146 cof = 1.0/(1.0 + delta*delta);
1075 1147
1076 real_v = length * cof; << 1148 real_v = length*cof;
1077 image_v = real_v * delta; << 1149 image_v = real_v*delta;
1078 1150
1079 G4complex zone(real_v, image_v); << 1151 G4complex zone(real_v,image_v);
1080 return zone; 1152 return zone;
1081 } 1153 }
1082 1154
>> 1155
>> 1156
1083 ///////////////////////////////////////////// 1157 ////////////////////////////////////////////////////////////////////////
>> 1158 //
1084 // Computes matrix of Sandia photo absorption 1159 // Computes matrix of Sandia photo absorption cross section coefficients for
1085 // gas material 1160 // gas material
1086 void G4VXTRenergyLoss::ComputeGasPhotoAbsCof( << 1161
>> 1162 void G4VXTRenergyLoss::ComputeGasPhotoAbsCof()
1087 { 1163 {
1088 const G4MaterialTable* theMaterialTable = G 1164 const G4MaterialTable* theMaterialTable = G4Material::GetMaterialTable();
1089 const G4Material* mat = ( << 1165 const G4Material* mat = (*theMaterialTable)[fMatIndex2];
1090 fGasPhotoAbsCof = m << 1166 fGasPhotoAbsCof = mat->GetSandiaTable();
1091 return; 1167 return;
1092 } 1168 }
1093 1169
1094 ///////////////////////////////////////////// 1170 //////////////////////////////////////////////////////////////////////
1095 // Returns the value of linear photo absorpti << 1171 //
>> 1172 // Returns the value of linear photo absorption coefficient (in reciprocal
1096 // length) for gas 1173 // length) for gas
1097 G4double G4VXTRenergyLoss::GetGasLinearPhotoA << 1174
>> 1175 G4double G4VXTRenergyLoss::GetGasLinearPhotoAbs(G4double omega)
1098 { 1176 {
1099 G4double omega2, omega3, omega4; << 1177 G4double omega2, omega3, omega4;
1100 1178
1101 omega2 = omega * omega; << 1179 omega2 = omega*omega;
1102 omega3 = omega2 * omega; << 1180 omega3 = omega2*omega;
1103 omega4 = omega2 * omega2; << 1181 omega4 = omega2*omega2;
1104 1182
1105 const G4double* SandiaCof = fGasPhotoAbsCof 1183 const G4double* SandiaCof = fGasPhotoAbsCof->GetSandiaCofForMaterial(omega);
1106 G4double cross = SandiaCof[0] / << 1184 G4double cross = SandiaCof[0]/omega + SandiaCof[1]/omega2 +
1107 SandiaCof[2] / omega3 + Sa << 1185 SandiaCof[2]/omega3 + SandiaCof[3]/omega4;
1108 return cross; 1186 return cross;
>> 1187
1109 } 1188 }
1110 1189
1111 ///////////////////////////////////////////// 1190 //////////////////////////////////////////////////////////////////////
1112 // Calculates the product of linear cof by fo << 1191 //
>> 1192 // Calculates the product of linear cof by formation zone for plate.
1113 // Omega is energy !!! 1193 // Omega is energy !!!
1114 G4double G4VXTRenergyLoss::GetPlateZmuProduct << 1194
1115 << 1195 G4double G4VXTRenergyLoss::GetPlateZmuProduct( G4double omega ,
>> 1196 G4double gamma ,
>> 1197 G4double varAngle )
1116 { 1198 {
1117 return GetPlateFormationZone(omega, gamma, << 1199 return GetPlateFormationZone(omega,gamma,varAngle)
1118 GetPlateLinearPhotoAbs(omega); << 1200 * GetPlateLinearPhotoAbs(omega);
1119 } 1201 }
1120 ///////////////////////////////////////////// 1202 //////////////////////////////////////////////////////////////////////
1121 // Calculates the product of linear cof by fo << 1203 //
>> 1204 // Calculates the product of linear cof by formation zone for plate.
1122 // G4cout and output in file in some energy r 1205 // G4cout and output in file in some energy range.
1123 void G4VXTRenergyLoss::GetPlateZmuProduct() << 1206
>> 1207 void G4VXTRenergyLoss::GetPlateZmuProduct()
1124 { 1208 {
1125 std::ofstream outPlate("plateZmu.dat", std: << 1209 std::ofstream outPlate("plateZmu.dat", std::ios::out );
1126 outPlate.setf(std::ios::scientific, std::io << 1210 outPlate.setf( std::ios::scientific, std::ios::floatfield );
1127 1211
1128 G4int i; 1212 G4int i;
1129 G4double omega, varAngle, gamma; 1213 G4double omega, varAngle, gamma;
1130 gamma = 10000.; << 1214 gamma = 10000.;
1131 varAngle = 1 / gamma / gamma; << 1215 varAngle = 1/gamma/gamma;
1132 if(verboseLevel > 0) 1216 if(verboseLevel > 0)
1133 G4cout << "energy, keV" << "\t" << "Zmu f << 1217 G4cout<<"energy, keV"<<"\t"<<"Zmu for plate"<<G4endl;
1134 for(i = 0; i < 100; ++i) << 1218 for(i=0;i<100;i++)
1135 { 1219 {
1136 omega = (1.0 + i) * keV; << 1220 omega = (1.0 + i)*keV;
1137 if(verboseLevel > 1) 1221 if(verboseLevel > 1)
1138 G4cout << omega / keV << "\t" << 1222 G4cout<<omega/keV<<"\t"<<GetPlateZmuProduct(omega,gamma,varAngle)<<"\t";
1139 << GetPlateZmuProduct(omega, gam <<
1140 if(verboseLevel > 0) 1223 if(verboseLevel > 0)
1141 outPlate << omega / keV << "\t\t" << 1224 outPlate<<omega/keV<<"\t\t"<<GetPlateZmuProduct(omega,gamma,varAngle)<<G4endl;
1142 << GetPlateZmuProduct(omega, g <<
1143 } 1225 }
1144 return; 1226 return;
1145 } 1227 }
1146 1228
1147 ///////////////////////////////////////////// 1229 //////////////////////////////////////////////////////////////////////
1148 // Calculates the product of linear cof by fo << 1230 //
>> 1231 // Calculates the product of linear cof by formation zone for gas.
1149 // Omega is energy !!! 1232 // Omega is energy !!!
1150 G4double G4VXTRenergyLoss::GetGasZmuProduct(G << 1233
1151 G << 1234 G4double G4VXTRenergyLoss::GetGasZmuProduct( G4double omega ,
>> 1235 G4double gamma ,
>> 1236 G4double varAngle )
1152 { 1237 {
1153 return GetGasFormationZone(omega, gamma, va << 1238 return GetGasFormationZone(omega,gamma,varAngle)*GetGasLinearPhotoAbs(omega);
1154 GetGasLinearPhotoAbs(omega); <<
1155 } 1239 }
1156 <<
1157 ///////////////////////////////////////////// 1240 //////////////////////////////////////////////////////////////////////
1158 // Calculates the product of linear cof by fo << 1241 //
>> 1242 // Calculates the product of linear cof byformation zone for gas.
1159 // G4cout and output in file in some energy r 1243 // G4cout and output in file in some energy range.
1160 void G4VXTRenergyLoss::GetGasZmuProduct() << 1244
>> 1245 void G4VXTRenergyLoss::GetGasZmuProduct()
1161 { 1246 {
1162 std::ofstream outGas("gasZmu.dat", std::ios << 1247 std::ofstream outGas("gasZmu.dat", std::ios::out );
1163 outGas.setf(std::ios::scientific, std::ios: << 1248 outGas.setf( std::ios::scientific, std::ios::floatfield );
1164 G4int i; 1249 G4int i;
1165 G4double omega, varAngle, gamma; 1250 G4double omega, varAngle, gamma;
1166 gamma = 10000.; << 1251 gamma = 10000.;
1167 varAngle = 1 / gamma / gamma; << 1252 varAngle = 1/gamma/gamma;
1168 if(verboseLevel > 0) 1253 if(verboseLevel > 0)
1169 G4cout << "energy, keV" << "\t" << "Zmu f << 1254 G4cout<<"energy, keV"<<"\t"<<"Zmu for gas"<<G4endl;
1170 for(i = 0; i < 100; ++i) << 1255 for(i=0;i<100;i++)
1171 { 1256 {
1172 omega = (1.0 + i) * keV; << 1257 omega = (1.0 + i)*keV;
1173 if(verboseLevel > 1) 1258 if(verboseLevel > 1)
1174 G4cout << omega / keV << "\t" << GetGas << 1259 G4cout<<omega/keV<<"\t"<<GetGasZmuProduct(omega,gamma,varAngle)<<"\t";
1175 << "\t"; <<
1176 if(verboseLevel > 0) 1260 if(verboseLevel > 0)
1177 outGas << omega / keV << "\t\t" << 1261 outGas<<omega/keV<<"\t\t"<<GetGasZmuProduct(omega,gamma,varAngle)<<G4endl;
1178 << GetGasZmuProduct(omega, gamma <<
1179 } 1262 }
1180 return; 1263 return;
1181 } 1264 }
1182 1265
1183 ///////////////////////////////////////////// 1266 ////////////////////////////////////////////////////////////////////////
>> 1267 //
1184 // Computes Compton cross section for plate m 1268 // Computes Compton cross section for plate material in 1/mm
1185 G4double G4VXTRenergyLoss::GetPlateCompton(G4 << 1269
>> 1270 G4double G4VXTRenergyLoss::GetPlateCompton(G4double omega)
1186 { 1271 {
1187 G4int i, numberOfElements; 1272 G4int i, numberOfElements;
1188 G4double xSection = 0., nowZ, sumZ = 0.; 1273 G4double xSection = 0., nowZ, sumZ = 0.;
1189 1274
1190 const G4MaterialTable* theMaterialTable = G 1275 const G4MaterialTable* theMaterialTable = G4Material::GetMaterialTable();
1191 numberOfElements = (G4int)(*theMaterialTabl << 1276 numberOfElements = (*theMaterialTable)[fMatIndex1]->GetNumberOfElements();
1192 1277
1193 for(i = 0; i < numberOfElements; ++i) << 1278 for( i = 0; i < numberOfElements; i++ )
1194 { 1279 {
1195 nowZ = (*theMaterialTable)[fMatIndex1]->G << 1280 nowZ = (*theMaterialTable)[fMatIndex1]->GetElement(i)->GetZ();
1196 sumZ += nowZ; << 1281 sumZ += nowZ;
1197 xSection += GetComptonPerAtom(omega, nowZ << 1282 xSection += GetComptonPerAtom(omega,nowZ); // *nowZ;
1198 } 1283 }
1199 xSection /= sumZ; 1284 xSection /= sumZ;
1200 xSection *= (*theMaterialTable)[fMatIndex1] 1285 xSection *= (*theMaterialTable)[fMatIndex1]->GetElectronDensity();
1201 return xSection; 1286 return xSection;
1202 } 1287 }
1203 1288
>> 1289
1204 ///////////////////////////////////////////// 1290 ////////////////////////////////////////////////////////////////////////
>> 1291 //
1205 // Computes Compton cross section for gas mat 1292 // Computes Compton cross section for gas material in 1/mm
1206 G4double G4VXTRenergyLoss::GetGasCompton(G4do << 1293
>> 1294 G4double G4VXTRenergyLoss::GetGasCompton(G4double omega)
1207 { 1295 {
1208 G4double xSection = 0., sumZ = 0.; << 1296 G4int i, numberOfElements;
>> 1297 G4double xSection = 0., nowZ, sumZ = 0.;
1209 1298
1210 const G4MaterialTable* theMaterialTable = G 1299 const G4MaterialTable* theMaterialTable = G4Material::GetMaterialTable();
1211 G4int numberOfElements = (G4int)(*theMateri << 1300 numberOfElements = (*theMaterialTable)[fMatIndex2]->GetNumberOfElements();
1212 1301
1213 for (G4int i = 0; i < numberOfElements; ++i << 1302 for( i = 0; i < numberOfElements; i++ )
1214 { 1303 {
1215 G4double nowZ = (*theMaterialTable)[fMatI << 1304 nowZ = (*theMaterialTable)[fMatIndex2]->GetElement(i)->GetZ();
1216 sumZ += nowZ; << 1305 sumZ += nowZ;
1217 xSection += GetComptonPerAtom(omega, nowZ << 1306 xSection += GetComptonPerAtom(omega,nowZ); // *nowZ;
1218 } 1307 }
1219 if (sumZ > 0.0) { xSection /= sumZ; } << 1308 xSection /= sumZ;
1220 xSection *= (*theMaterialTable)[fMatIndex2] 1309 xSection *= (*theMaterialTable)[fMatIndex2]->GetElectronDensity();
1221 return xSection; 1310 return xSection;
1222 } 1311 }
1223 1312
1224 ///////////////////////////////////////////// 1313 ////////////////////////////////////////////////////////////////////////
>> 1314 //
1225 // Computes Compton cross section per atom wi 1315 // Computes Compton cross section per atom with Z electrons for gamma with
1226 // the energy GammaEnergy 1316 // the energy GammaEnergy
1227 G4double G4VXTRenergyLoss::GetComptonPerAtom( << 1317
>> 1318 G4double G4VXTRenergyLoss::GetComptonPerAtom(G4double GammaEnergy, G4double Z)
1228 { 1319 {
1229 G4double CrossSection = 0.0; 1320 G4double CrossSection = 0.0;
1230 if(Z < 0.9999) << 1321 if ( Z < 0.9999 ) return CrossSection;
1231 return CrossSection; << 1322 if ( GammaEnergy < 0.1*keV ) return CrossSection;
1232 if(GammaEnergy < 0.1 * keV) << 1323 if ( GammaEnergy > (100.*GeV/Z) ) return CrossSection;
1233 return CrossSection; << 1324
1234 if(GammaEnergy > (100. * GeV / Z)) << 1325 static const G4double a = 20.0 , b = 230.0 , c = 440.0;
1235 return CrossSection; << 1326
1236 << 1327 static const G4double
1237 static constexpr G4double a = 20.0; << 1328 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; << 1329 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; << 1330 f1=-3.9178e-7*barn, f2= 6.8241e-5*barn, f3= 6.0480e-5*barn, f4= 3.0274e-4*barn;
1240 << 1331
1241 static constexpr G4double d1 = 2.7965e-1 * << 1332 G4double p1Z = Z*(d1 + e1*Z + f1*Z*Z), p2Z = Z*(d2 + e2*Z + f2*Z*Z),
1242 d3 = 6.7527 * bar << 1333 p3Z = Z*(d3 + e3*Z + f3*Z*Z), p4Z = Z*(d4 + e4*Z + f4*Z*Z);
1243 e1 = 1.9756e-5 * << 1334
1244 e3 = -7.3913e-2 * << 1335 G4double T0 = 15.0*keV;
1245 f1 = -3.9178e-7 * << 1336 if (Z < 1.5) T0 = 40.0*keV;
1246 f3 = 6.0480e-5 * << 1337
1247 << 1338 G4double X = std::max(GammaEnergy, T0) / electron_mass_c2;
1248 G4double p1Z = Z * (d1 + e1 * Z + f1 * Z * << 1339 CrossSection = p1Z*std::log(1.+2.*X)/X
1249 G4double p2Z = Z * (d2 + e2 * Z + f2 * Z * << 1340 + (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 1341
1262 // modification for low energy. (special c 1342 // modification for low energy. (special case for Hydrogen)
1263 if(GammaEnergy < T0) << 1343
>> 1344 if (GammaEnergy < T0)
1264 { 1345 {
1265 G4double dT0 = 1. * keV; << 1346 G4double dT0 = 1.*keV;
1266 X = (T0 + dT0) / electron_mass << 1347 X = (T0+dT0) / electron_mass_c2;
1267 G4double sigma = << 1348 G4double sigma = p1Z*std::log(1.+2.*X)/X
1268 p1Z * std::log(1. + 2. * X) / X + << 1349 + (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 << 1350 G4double c1 = -T0*(sigma-CrossSection)/(CrossSection*dT0);
1270 G4double c1 = -T0 * (sigma - CrossSection << 1351 G4double c2 = 0.150;
1271 G4double c2 = 0.150; << 1352 if (Z > 1.5) c2 = 0.375-0.0556*std::log(Z);
1272 if(Z > 1.5) << 1353 G4double y = std::log(GammaEnergy/T0);
1273 c2 = 0.375 - 0.0556 * std::log(Z); << 1354 CrossSection *= std::exp(-y*(c1+c2*y));
1274 G4double y = std::log(GammaEnergy / T0); <<
1275 CrossSection *= std::exp(-y * (c1 + c2 * <<
1276 } 1355 }
1277 return CrossSection; << 1356 // G4cout << "e= " << GammaEnergy << " Z= " << Z << " cross= " << CrossSection << G4endl;
>> 1357 return CrossSection;
1278 } 1358 }
1279 1359
>> 1360
1280 ///////////////////////////////////////////// 1361 ///////////////////////////////////////////////////////////////////////
>> 1362 //
1281 // This function returns the spectral and ang 1363 // This function returns the spectral and angle density of TR quanta
1282 // in X-ray energy region generated forward w 1364 // in X-ray energy region generated forward when a relativistic
1283 // charged particle crosses interface between 1365 // charged particle crosses interface between two materials.
1284 // The high energy small theta approximation 1366 // The high energy small theta approximation is applied.
1285 // (matter1 -> matter2, or 2->1) 1367 // (matter1 -> matter2, or 2->1)
1286 // varAngle =2* (1 - std::cos(theta)) or appr 1368 // varAngle =2* (1 - std::cos(theta)) or approximately = theta*theta
1287 G4double G4VXTRenergyLoss::OneBoundaryXTRNden << 1369 //
1288 << 1370
1289 << 1371 G4double
1290 { << 1372 G4VXTRenergyLoss::OneBoundaryXTRNdensity( G4double energy,G4double gamma,
1291 G4double formationLength1, formationLength2 << 1373 G4double varAngle ) const
1292 formationLength1 = << 1374 {
1293 1.0 / (1.0 / (gamma * gamma) + fSigma1 / << 1375 G4double formationLength1, formationLength2;
1294 formationLength2 = << 1376 formationLength1 = 1.0/
1295 1.0 / (1.0 / (gamma * gamma) + fSigma2 / << 1377 (1.0/(gamma*gamma)
1296 return (varAngle / energy) * (formationLeng << 1378 + fSigma1/(energy*energy)
1297 (formationLength1 - formationLength2 << 1379 + varAngle);
>> 1380 formationLength2 = 1.0/
>> 1381 (1.0/(gamma*gamma)
>> 1382 + fSigma2/(energy*energy)
>> 1383 + varAngle);
>> 1384 return (varAngle/energy)*(formationLength1 - formationLength2)
>> 1385 *(formationLength1 - formationLength2);
>> 1386
1298 } 1387 }
1299 1388
1300 G4double G4VXTRenergyLoss::GetStackFactor(G4d << 1389 G4double G4VXTRenergyLoss::GetStackFactor( G4double energy, G4double gamma,
1301 G4d << 1390 G4double varAngle )
1302 { 1391 {
1303 // return stack factor corresponding to one 1392 // return stack factor corresponding to one interface
1304 return std::real(OneInterfaceXTRdEdx(energy << 1393
>> 1394 return std::real( OneInterfaceXTRdEdx(energy,gamma,varAngle) );
1305 } 1395 }
1306 1396
1307 ///////////////////////////////////////////// 1397 //////////////////////////////////////////////////////////////////////////////
>> 1398 //
1308 // For photon energy distribution tables. Int 1399 // For photon energy distribution tables. Integrate first over angle
>> 1400 //
>> 1401
1309 G4double G4VXTRenergyLoss::XTRNSpectralAngleD 1402 G4double G4VXTRenergyLoss::XTRNSpectralAngleDensity(G4double varAngle)
1310 { 1403 {
1311 return OneBoundaryXTRNdensity(fEnergy, fGam << 1404 return OneBoundaryXTRNdensity(fEnergy,fGamma,varAngle)*
1312 GetStackFactor(fEnergy, fGamma, varA << 1405 GetStackFactor(fEnergy,fGamma,varAngle);
1313 } 1406 }
1314 1407
1315 ///////////////////////////////////////////// 1408 /////////////////////////////////////////////////////////////////////////
>> 1409 //
1316 // For second integration over energy 1410 // For second integration over energy
>> 1411
1317 G4double G4VXTRenergyLoss::XTRNSpectralDensit 1412 G4double G4VXTRenergyLoss::XTRNSpectralDensity(G4double energy)
1318 { 1413 {
1319 fEnergy = energy; 1414 fEnergy = energy;
1320 G4Integrator<G4VXTRenergyLoss, G4double (G4 << 1415 G4Integrator<G4VXTRenergyLoss,G4double(G4VXTRenergyLoss::*)(G4double)> integral;
1321 integral; << 1416 return integral.Legendre96(this,&G4VXTRenergyLoss::XTRNSpectralAngleDensity,
1322 return integral.Legendre96(this, &G4VXTRene << 1417 0.0,0.2*fMaxThetaTR) +
1323 0.0, 0.2 * fMaxT << 1418 integral.Legendre10(this,&G4VXTRenergyLoss::XTRNSpectralAngleDensity,
1324 integral.Legendre10(this, &G4VXTRene << 1419 0.2*fMaxThetaTR,fMaxThetaTR);
1325 0.2 * fMaxThetaT << 1420 }
1326 } << 1421
1327 <<
1328 ///////////////////////////////////////////// 1422 //////////////////////////////////////////////////////////////////////////
>> 1423 //
1329 // for photon angle distribution tables 1424 // for photon angle distribution tables
>> 1425 //
>> 1426
1330 G4double G4VXTRenergyLoss::XTRNAngleSpectralD 1427 G4double G4VXTRenergyLoss::XTRNAngleSpectralDensity(G4double energy)
1331 { 1428 {
1332 return OneBoundaryXTRNdensity(energy, fGamm << 1429 return OneBoundaryXTRNdensity(energy,fGamma,fVarAngle)*
1333 GetStackFactor(energy, fGamma, fVarA << 1430 GetStackFactor(energy,fGamma,fVarAngle);
1334 } << 1431 }
1335 1432
1336 ///////////////////////////////////////////// 1433 ///////////////////////////////////////////////////////////////////////////
1337 G4double G4VXTRenergyLoss::XTRNAngleDensity(G << 1434 //
>> 1435 //
>> 1436
>> 1437 G4double G4VXTRenergyLoss::XTRNAngleDensity(G4double varAngle)
1338 { 1438 {
1339 fVarAngle = varAngle; 1439 fVarAngle = varAngle;
1340 G4Integrator<G4VXTRenergyLoss, G4double (G4 << 1440 G4Integrator<G4VXTRenergyLoss,G4double(G4VXTRenergyLoss::*)(G4double)> integral;
1341 integral; << 1441 return integral.Legendre96(this,&G4VXTRenergyLoss::XTRNAngleSpectralDensity,
1342 return integral.Legendre96(this, &G4VXTRene << 1442 fMinEnergyTR,fMaxEnergyTR);
1343 fMinEnergyTR, fM <<
1344 } 1443 }
1345 1444
1346 ///////////////////////////////////////////// 1445 //////////////////////////////////////////////////////////////////////////////
1347 // Check number of photons for a range of Lor << 1446 //
>> 1447 // Check number of photons for a range of Lorentz factors from both energy
1348 // and angular tables 1448 // and angular tables
>> 1449
1349 void G4VXTRenergyLoss::GetNumberOfPhotons() 1450 void G4VXTRenergyLoss::GetNumberOfPhotons()
1350 { 1451 {
1351 G4int iTkin; 1452 G4int iTkin;
1352 G4double gamma, numberE; 1453 G4double gamma, numberE;
1353 1454
1354 std::ofstream outEn("numberE.dat", std::ios << 1455 std::ofstream outEn("numberE.dat", std::ios::out );
1355 outEn.setf(std::ios::scientific, std::ios:: << 1456 outEn.setf( std::ios::scientific, std::ios::floatfield );
1356 1457
1357 std::ofstream outAng("numberAng.dat", std:: << 1458 std::ofstream outAng("numberAng.dat", std::ios::out );
1358 outAng.setf(std::ios::scientific, std::ios: << 1459 outAng.setf( std::ios::scientific, std::ios::floatfield );
1359 1460
1360 for(iTkin = 0; iTkin < fTotBin; ++iTkin) / << 1461 for(iTkin=0;iTkin<fTotBin;iTkin++) // Lorentz factor loop
1361 { 1462 {
1362 gamma = << 1463 gamma = 1.0 + (fProtonEnergyVector->
1363 1.0 + (fProtonEnergyVector->GetLowEdgeE << 1464 GetLowEdgeEnergy(iTkin)/proton_mass_c2);
1364 numberE = (*(*fEnergyDistrTable)(iTkin))( << 1465 numberE = (*(*fEnergyDistrTable)(iTkin))(0);
1365 if(verboseLevel > 1) << 1466 // numberA = (*(*fAngleDistrTable)(iTkin))(0);
1366 G4cout << gamma << "\t\t" << numberE << << 1467 if(verboseLevel > 1)
1367 if(verboseLevel > 0) << 1468 G4cout<<gamma<<"\t\t"<<numberE<<"\t" // <<numberA
1368 outEn << gamma << "\t\t" << numberE << << 1469 <<G4endl;
>> 1470 if(verboseLevel > 0)
>> 1471 outEn<<gamma<<"\t\t"<<numberE<<G4endl;
1369 } 1472 }
1370 return; 1473 return;
1371 } << 1474 }
1372 1475
1373 ///////////////////////////////////////////// 1476 /////////////////////////////////////////////////////////////////////////
1374 // Returns random energy of a X-ray TR photon << 1477 //
>> 1478 // Returns randon energy of a X-ray TR photon for given scaled kinetic energy
1375 // of a charged particle 1479 // of a charged particle
1376 G4double G4VXTRenergyLoss::GetXTRrandomEnergy << 1480
>> 1481 G4double G4VXTRenergyLoss::GetXTRrandomEnergy( G4double scaledTkin, G4int iTkin )
1377 { 1482 {
1378 G4int iTransfer, iPlace; 1483 G4int iTransfer, iPlace;
1379 G4double transfer = 0.0, position, E1, E2, 1484 G4double transfer = 0.0, position, E1, E2, W1, W2, W;
1380 1485
1381 iPlace = iTkin - 1; 1486 iPlace = iTkin - 1;
1382 1487
1383 if(iTkin == fTotBin) // relativistic plato << 1488 // G4cout<<"iPlace = "<<iPlace<<endl;
>> 1489
>> 1490 if(iTkin == fTotBin) // relativistic plato, try from left
1384 { 1491 {
1385 position = (*(*fEnergyDistrTable)(iPlace) << 1492 position = (*(*fEnergyDistrTable)(iPlace))(0)*G4UniformRand();
1386 1493
1387 for(iTransfer = 0;; ++iTransfer) << 1494 for(iTransfer=0;;iTransfer++)
1388 { << 1495 {
1389 if(position >= (*(*fEnergyDistrTable)(i << 1496 if(position >= (*(*fEnergyDistrTable)(iPlace))(iTransfer)) break;
1390 break; << 1497 }
1391 } << 1498 transfer = GetXTRenergy(iPlace,position,iTransfer);
1392 transfer = GetXTRenergy(iPlace, position, <<
1393 } 1499 }
1394 else 1500 else
1395 { 1501 {
1396 E1 = fProtonEnergyVector->GetLowEdgeEnerg << 1502 E1 = fProtonEnergyVector->GetLowEdgeEnergy(iTkin - 1);
1397 E2 = fProtonEnergyVector->GetLowEdgeEnerg 1503 E2 = fProtonEnergyVector->GetLowEdgeEnergy(iTkin);
1398 W = 1.0 / (E2 - E1); << 1504 W = 1.0/(E2 - E1);
1399 W1 = (E2 - scaledTkin) * W; << 1505 W1 = (E2 - scaledTkin)*W;
1400 W2 = (scaledTkin - E1) * W; << 1506 W2 = (scaledTkin - E1)*W;
1401 << 1507
1402 position = ((*(*fEnergyDistrTable)(iPlace << 1508 position =( (*(*fEnergyDistrTable)(iPlace))(0)*W1 +
1403 (*(*fEnergyDistrTable)(iPlace << 1509 (*(*fEnergyDistrTable)(iPlace+1))(0)*W2 )*G4UniformRand();
1404 G4UniformRand(); << 1510
1405 << 1511 // G4cout<<position<<"\t";
1406 for(iTransfer = 0;; ++iTransfer) << 1512
1407 { << 1513 for(iTransfer=0;;iTransfer++)
1408 if(position >= ((*(*fEnergyDistrTable)( << 1514 {
1409 (*(*fEnergyDistrTable)( << 1515 if( position >=
1410 break; << 1516 ( (*(*fEnergyDistrTable)(iPlace))(iTransfer)*W1 +
1411 } << 1517 (*(*fEnergyDistrTable)(iPlace+1))(iTransfer)*W2) ) break;
1412 transfer = GetXTRenergy(iPlace, position, << 1518 }
1413 } << 1519 transfer = GetXTRenergy(iPlace,position,iTransfer);
1414 if(transfer < 0.0) << 1520
1415 transfer = 0.0; << 1521 }
>> 1522 // G4cout<<"XTR transfer = "<<transfer/keV<<" keV"<<endl;
>> 1523 if(transfer < 0.0 ) transfer = 0.0;
1416 return transfer; 1524 return transfer;
1417 } 1525 }
1418 1526
1419 ///////////////////////////////////////////// 1527 ////////////////////////////////////////////////////////////////////////
>> 1528 //
1420 // Returns approximate position of X-ray phot 1529 // Returns approximate position of X-ray photon energy during random sampling
1421 // over integral energy distribution 1530 // over integral energy distribution
1422 G4double G4VXTRenergyLoss::GetXTRenergy(G4int << 1531
>> 1532 G4double G4VXTRenergyLoss::GetXTRenergy( G4int iPlace,
>> 1533 G4double /* position */,
>> 1534 G4int iTransfer )
1423 { 1535 {
1424 G4double x1, x2, y1, y2, result; 1536 G4double x1, x2, y1, y2, result;
1425 1537
1426 if(iTransfer == 0) 1538 if(iTransfer == 0)
1427 { 1539 {
1428 result = (*fEnergyDistrTable)(iPlace)->Ge 1540 result = (*fEnergyDistrTable)(iPlace)->GetLowEdgeEnergy(iTransfer);
1429 } << 1541 }
1430 else 1542 else
1431 { 1543 {
1432 y1 = (*(*fEnergyDistrTable)(iPlace))(iTra << 1544 y1 = (*(*fEnergyDistrTable)(iPlace))(iTransfer-1);
1433 y2 = (*(*fEnergyDistrTable)(iPlace))(iTra 1545 y2 = (*(*fEnergyDistrTable)(iPlace))(iTransfer);
1434 1546
1435 x1 = (*fEnergyDistrTable)(iPlace)->GetLow << 1547 x1 = (*fEnergyDistrTable)(iPlace)->GetLowEdgeEnergy(iTransfer-1);
1436 x2 = (*fEnergyDistrTable)(iPlace)->GetLow 1548 x2 = (*fEnergyDistrTable)(iPlace)->GetLowEdgeEnergy(iTransfer);
1437 1549
1438 if(x1 == x2) << 1550 if ( x1 == x2 ) result = x2;
1439 result = x2; <<
1440 else 1551 else
1441 { 1552 {
1442 if(y1 == y2) << 1553 if ( y1 == y2 ) result = x1 + (x2 - x1)*G4UniformRand();
1443 result = x1 + (x2 - x1) * G4UniformRa <<
1444 else 1554 else
1445 { 1555 {
1446 result = x1 + (x2 - x1) * G4UniformRa << 1556 // result = x1 + (position - y1)*(x2 - x1)/(y2 - y1);
>> 1557 result = x1 + (x2 - x1)*G4UniformRand();
1447 } 1558 }
1448 } 1559 }
1449 } 1560 }
1450 return result; 1561 return result;
1451 } 1562 }
1452 1563
1453 ///////////////////////////////////////////// 1564 /////////////////////////////////////////////////////////////////////////
>> 1565 //
1454 // Get XTR photon angle at given energy and 1566 // Get XTR photon angle at given energy and Tkin
1455 1567
1456 G4double G4VXTRenergyLoss::GetRandomAngle(G4d << 1568 G4double G4VXTRenergyLoss::GetRandomAngle( G4double energyXTR, G4int iTkin )
1457 { 1569 {
1458 G4int iTR, iAngle; 1570 G4int iTR, iAngle;
1459 G4double position, angle; 1571 G4double position, angle;
1460 1572
1461 if(iTkin == fTotBin) << 1573 if (iTkin == fTotBin) iTkin--;
1462 --iTkin; <<
1463 1574
1464 fAngleForEnergyTable = fAngleBank[iTkin]; 1575 fAngleForEnergyTable = fAngleBank[iTkin];
1465 1576
1466 for(iTR = 0; iTR < fBinTR; ++iTR) << 1577 for( iTR = 0; iTR < fBinTR; iTR++ )
1467 { 1578 {
1468 if(energyXTR < fXTREnergyVector->GetLowEd << 1579 if( energyXTR < fXTREnergyVector->GetLowEdgeEnergy(iTR) ) break;
1469 break; <<
1470 } 1580 }
1471 if(iTR == fBinTR) << 1581 if (iTR == fBinTR) iTR--;
1472 --iTR; << 1582
1473 << 1583 position = (*(*fAngleForEnergyTable)(iTR))(0)*G4UniformRand();
1474 position = (*(*fAngleForEnergyTable)(iTR))( <<
1475 // position = (*(*fAngleForEnergyTable)(iTR <<
1476 1584
1477 for(iAngle = 0;; ++iAngle) << 1585 for( iAngle = 0;; iAngle++)
1478 // for(iAngle = 1;; ++iAngle) // ATLAS TB <<
1479 { 1586 {
1480 if(position >= (*(*fAngleForEnergyTable)( << 1587 if( position >= (*(*fAngleForEnergyTable)(iTR))(iAngle) ) break;
1481 break; <<
1482 } 1588 }
1483 angle = GetAngleXTR(iTR, position, iAngle); << 1589 angle = GetAngleXTR(iTR,position,iAngle);
1484 return angle; 1590 return angle;
1485 } 1591 }
1486 1592
1487 ///////////////////////////////////////////// 1593 ////////////////////////////////////////////////////////////////////////
1488 // Returns approximate position of X-ray phot << 1594 //
1489 // random sampling over integral energy distr << 1595 // Returns approximate position of X-ray photon angle at given energy during random sampling
>> 1596 // over integral energy distribution
1490 1597
1491 G4double G4VXTRenergyLoss::GetAngleXTR(G4int << 1598 G4double G4VXTRenergyLoss::GetAngleXTR( G4int iPlace,
1492 G4int << 1599 G4double position,
>> 1600 G4int iTransfer )
1493 { 1601 {
1494 G4double x1, x2, y1, y2, result; 1602 G4double x1, x2, y1, y2, result;
1495 1603
1496 if( iTransfer == 0 ) 1604 if( iTransfer == 0 )
1497 // if( iTransfer == 1 ) // ATLAS TB <<
1498 { 1605 {
1499 result = (*fAngleForEnergyTable)(iPlace)- 1606 result = (*fAngleForEnergyTable)(iPlace)->GetLowEdgeEnergy(iTransfer);
1500 } << 1607 }
1501 else 1608 else
1502 { 1609 {
1503 y1 = (*(*fAngleForEnergyTable)(iPlace))(i << 1610 y1 = (*(*fAngleForEnergyTable)(iPlace))(iTransfer-1);
1504 y2 = (*(*fAngleForEnergyTable)(iPlace))(i 1611 y2 = (*(*fAngleForEnergyTable)(iPlace))(iTransfer);
1505 1612
1506 x1 = (*fAngleForEnergyTable)(iPlace)->Get << 1613 x1 = (*fAngleForEnergyTable)(iPlace)->GetLowEdgeEnergy(iTransfer-1);
1507 x2 = (*fAngleForEnergyTable)(iPlace)->Get 1614 x2 = (*fAngleForEnergyTable)(iPlace)->GetLowEdgeEnergy(iTransfer);
1508 1615
1509 if(x1 == x2) result = x2; << 1616 if ( x1 == x2 ) result = x2;
1510 else 1617 else
1511 { 1618 {
1512 if( y1 == y2 ) result = x1 + (x2 - x1) << 1619 if ( y1 == y2 ) result = x1 + (x2 - x1)*G4UniformRand();
1513 else 1620 else
1514 { 1621 {
1515 result = x1 + (position - y1) * (x2 - << 1622 result = x1 + (position - y1)*(x2 - x1)/(y2 - y1);
1516 // result = x1 + 0.1*(position - y1) <<
1517 // result = x1 + 0.05*(position - y1) <<
1518 } 1623 }
1519 } 1624 }
1520 } 1625 }
1521 return result; 1626 return result;
1522 } 1627 }
>> 1628
>> 1629
>> 1630 //
>> 1631 //
>> 1632 ///////////////////////////////////////////////////////////////////////
>> 1633
1523 1634