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