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[819]1//
2// ********************************************************************
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14// * regarding this software system or assume any liability for its *
15// * use. Please see the license in the file LICENSE and URL above *
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18// * This code implementation is the result of the scientific and *
19// * technical work of the GEANT4 collaboration. *
20// * By using, copying, modifying or distributing the software (or *
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24// ********************************************************************
25//
26//
[1340]27// $Id: G4SynchrotronRadiationInMat.cc,v 1.5 2010/10/14 18:38:21 vnivanch Exp $
28// GEANT4 tag $Name: xrays-V09-03-05 $
[819]29//
30// --------------------------------------------------------------
31// GEANT 4 class implementation file
32// CERN Geneva Switzerland
33//
34// History: first implementation,
35// 21-5-98 V.Grichine
36// 28-05-01, V.Ivanchenko minor changes to provide ANSI -wall compilation
37// 04.03.05, V.Grichine: get local field interface
38// 19-05-06, V.Ivanchenko rename from G4SynchrotronRadiation
39//
40//
41///////////////////////////////////////////////////////////////////////////
42
43#include "G4SynchrotronRadiationInMat.hh"
44#include "G4Integrator.hh"
[1340]45#include "G4EmProcessSubType.hh"
[819]46
47////////////////////////////////////////////////////////////////////
48//
49// Constant for calculation of mean free path
50//
51
52const G4double
[1337]53G4SynchrotronRadiationInMat::fLambdaConst = std::sqrt(3.0)*electron_mass_c2/
[819]54 (2.5*fine_structure_const*eplus*c_light) ;
55
56/////////////////////////////////////////////////////////////////////
57//
58// Constant for calculation of characterictic energy
59//
60
61const G4double
62G4SynchrotronRadiationInMat::fEnergyConst = 1.5*c_light*c_light*eplus*hbar_Planck/
63 electron_mass_c2 ;
64
65////////////////////////////////////////////////////////////////////
66//
67// Array of integral probability of synchrotron photons:
68//
69// the corresponding energy = 0.0001*i*i*(characteristic energy)
70//
71
72const G4double
73G4SynchrotronRadiationInMat::fIntegralProbabilityOfSR[200] =
74{
75 1.000000e+00, 9.428859e-01, 9.094095e-01, 8.813971e-01, 8.565154e-01,
76 8.337008e-01, 8.124961e-01, 7.925217e-01, 7.735517e-01, 7.554561e-01,
77 7.381233e-01, 7.214521e-01, 7.053634e-01, 6.898006e-01, 6.747219e-01,
78 6.600922e-01, 6.458793e-01, 6.320533e-01, 6.185872e-01, 6.054579e-01,
79 5.926459e-01, 5.801347e-01, 5.679103e-01, 5.559604e-01, 5.442736e-01,
80 5.328395e-01, 5.216482e-01, 5.106904e-01, 4.999575e-01, 4.894415e-01,
81 4.791351e-01, 4.690316e-01, 4.591249e-01, 4.494094e-01, 4.398800e-01,
82 4.305320e-01, 4.213608e-01, 4.123623e-01, 4.035325e-01, 3.948676e-01,
83 3.863639e-01, 3.780179e-01, 3.698262e-01, 3.617858e-01, 3.538933e-01,
84 3.461460e-01, 3.385411e-01, 3.310757e-01, 3.237474e-01, 3.165536e-01,
85 3.094921e-01, 3.025605e-01, 2.957566e-01, 2.890784e-01, 2.825237e-01,
86 2.760907e-01, 2.697773e-01, 2.635817e-01, 2.575020e-01, 2.515365e-01,
87 2.456834e-01, 2.399409e-01, 2.343074e-01, 2.287812e-01, 2.233607e-01,
88 2.180442e-01, 2.128303e-01, 2.077174e-01, 2.027040e-01, 1.977885e-01,
89 1.929696e-01, 1.882457e-01, 1.836155e-01, 1.790775e-01, 1.746305e-01,
90 1.702730e-01, 1.660036e-01, 1.618212e-01, 1.577243e-01, 1.537117e-01,
91 1.497822e-01, 1.459344e-01, 1.421671e-01, 1.384791e-01, 1.348691e-01,
92 1.313360e-01, 1.278785e-01, 1.244956e-01, 1.211859e-01, 1.179483e-01,
93 1.147818e-01, 1.116850e-01, 1.086570e-01, 1.056966e-01, 1.028026e-01,
94 9.997405e-02, 9.720975e-02, 9.450865e-02, 9.186969e-02, 8.929179e-02,
95 8.677391e-02, 8.431501e-02, 8.191406e-02, 7.957003e-02, 7.728192e-02,
96 7.504872e-02, 7.286944e-02, 7.074311e-02, 6.866874e-02, 6.664538e-02,
97 6.467208e-02, 6.274790e-02, 6.087191e-02, 5.904317e-02, 5.726079e-02,
98 5.552387e-02, 5.383150e-02, 5.218282e-02, 5.057695e-02, 4.901302e-02,
99 4.749020e-02, 4.600763e-02, 4.456450e-02, 4.315997e-02, 4.179325e-02,
100 4.046353e-02, 3.917002e-02, 3.791195e-02, 3.668855e-02, 3.549906e-02,
101 3.434274e-02, 3.321884e-02, 3.212665e-02, 3.106544e-02, 3.003452e-02,
102 2.903319e-02, 2.806076e-02, 2.711656e-02, 2.619993e-02, 2.531021e-02,
103 2.444677e-02, 2.360897e-02, 2.279620e-02, 2.200783e-02, 2.124327e-02,
104 2.050194e-02, 1.978324e-02, 1.908662e-02, 1.841151e-02, 1.775735e-02,
105 1.712363e-02, 1.650979e-02, 1.591533e-02, 1.533973e-02, 1.478250e-02,
106 1.424314e-02, 1.372117e-02, 1.321613e-02, 1.272755e-02, 1.225498e-02,
107 1.179798e-02, 1.135611e-02, 1.092896e-02, 1.051609e-02, 1.011712e-02,
108 9.731635e-03, 9.359254e-03, 8.999595e-03, 8.652287e-03, 8.316967e-03,
109 7.993280e-03, 7.680879e-03, 7.379426e-03, 7.088591e-03, 6.808051e-03,
110 6.537491e-03, 6.276605e-03, 6.025092e-03, 5.782661e-03, 5.549027e-03,
111 5.323912e-03, 5.107045e-03, 4.898164e-03, 4.697011e-03, 4.503336e-03,
112 4.316896e-03, 4.137454e-03, 3.964780e-03, 3.798649e-03, 3.638843e-03,
113 3.485150e-03, 3.337364e-03, 3.195284e-03, 3.058715e-03, 2.927469e-03,
114 2.801361e-03, 2.680213e-03, 2.563852e-03, 2.452110e-03, 2.344824e-03
115};
116
117///////////////////////////////////////////////////////////////////////
118//
119// Constructor
120//
121
122G4SynchrotronRadiationInMat::G4SynchrotronRadiationInMat(const G4String& processName,
123 G4ProcessType type):G4VDiscreteProcess (processName, type),
124 LowestKineticEnergy (10.*keV),
125 HighestKineticEnergy (100.*TeV),
126 TotBin(200),
127 theGamma (G4Gamma::Gamma() ),
128 theElectron ( G4Electron::Electron() ),
129 thePositron ( G4Positron::Positron() ), fAlpha(0.0), fRootNumber(80),
130 fVerboseLevel( verboseLevel )
131{
132 G4TransportationManager* transportMgr = G4TransportationManager::GetTransportationManager();
133
134 fFieldPropagator = transportMgr->GetPropagatorInField();
[1340]135 SetProcessSubType(fSynchrotronRadiation);
[819]136
137}
138
139/////////////////////////////////////////////////////////////////////////
140//
141// Destructor
142//
143
144G4SynchrotronRadiationInMat::~G4SynchrotronRadiationInMat()
[1340]145{}
[819]146
147
148/////////////////////////////// METHODS /////////////////////////////////
149//
150//
151// Production of synchrotron X-ray photon
152// GEANT4 internal units.
153//
154
155
156G4double
157G4SynchrotronRadiationInMat::GetMeanFreePath( const G4Track& trackData,
158 G4double,
159 G4ForceCondition* condition)
160{
161 // gives the MeanFreePath in GEANT4 internal units
162 G4double MeanFreePath;
163
164 const G4DynamicParticle* aDynamicParticle = trackData.GetDynamicParticle();
165 // G4Material* aMaterial = trackData.GetMaterial();
166
167 //G4bool isOutRange ;
168
169 *condition = NotForced ;
170
171 G4double gamma = aDynamicParticle->GetTotalEnergy()/
172 aDynamicParticle->GetMass();
173
174 G4double particleCharge = aDynamicParticle->GetDefinition()->GetPDGCharge();
175
176 G4double KineticEnergy = aDynamicParticle->GetKineticEnergy();
177
178 if ( KineticEnergy < LowestKineticEnergy || gamma < 1.0e3 ) MeanFreePath = DBL_MAX;
179 else
180 {
181
182 G4ThreeVector FieldValue;
183 const G4Field* pField = 0;
184
185 G4FieldManager* fieldMgr=0;
186 G4bool fieldExertsForce = false;
187
188 if( (particleCharge != 0.0) )
189 {
190 fieldMgr = fFieldPropagator->FindAndSetFieldManager( trackData.GetVolume() );
191
192 if ( fieldMgr != 0 )
193 {
194 // If the field manager has no field, there is no field !
195
196 fieldExertsForce = ( fieldMgr->GetDetectorField() != 0 );
197 }
198 }
199 if ( fieldExertsForce )
200 {
201 pField = fieldMgr->GetDetectorField() ;
202 G4ThreeVector globPosition = trackData.GetPosition();
203
204 G4double globPosVec[3], FieldValueVec[3];
205
206 globPosVec[0] = globPosition.x();
207 globPosVec[1] = globPosition.y();
208 globPosVec[2] = globPosition.z();
209
210 pField->GetFieldValue( globPosVec, FieldValueVec );
211
212 FieldValue = G4ThreeVector( FieldValueVec[0],
213 FieldValueVec[1],
214 FieldValueVec[2] );
215
216
217
218 G4ThreeVector unitMomentum = aDynamicParticle->GetMomentumDirection();
219 G4ThreeVector unitMcrossB = FieldValue.cross(unitMomentum) ;
220 G4double perpB = unitMcrossB.mag() ;
221 G4double beta = aDynamicParticle->GetTotalMomentum()/
222 (aDynamicParticle->GetTotalEnergy() );
223
224 if( perpB > 0.0 ) MeanFreePath = fLambdaConst*beta/perpB;
225 else MeanFreePath = DBL_MAX;
226 }
227 else MeanFreePath = DBL_MAX;
228 }
229 if(fVerboseLevel > 0)
230 {
231 G4cout<<"G4SynchrotronRadiationInMat::MeanFreePath = "<<MeanFreePath/m<<" m"<<G4endl;
232 }
233 return MeanFreePath;
234}
235
236////////////////////////////////////////////////////////////////////////////////
237//
238//
239
240G4VParticleChange*
241G4SynchrotronRadiationInMat::PostStepDoIt(const G4Track& trackData,
242 const G4Step& stepData )
243
244{
245 aParticleChange.Initialize(trackData);
246
247 const G4DynamicParticle* aDynamicParticle=trackData.GetDynamicParticle();
248
249 G4double gamma = aDynamicParticle->GetTotalEnergy()/
250 (aDynamicParticle->GetMass() );
251
252 if(gamma <= 1.0e3 )
253 {
254 return G4VDiscreteProcess::PostStepDoIt(trackData,stepData);
255 }
256 G4double particleCharge = aDynamicParticle->GetDefinition()->GetPDGCharge();
257
258 G4ThreeVector FieldValue;
259 const G4Field* pField = 0 ;
260
261 G4FieldManager* fieldMgr=0;
262 G4bool fieldExertsForce = false;
263
264 if( (particleCharge != 0.0) )
265 {
266 fieldMgr = fFieldPropagator->FindAndSetFieldManager( trackData.GetVolume() );
267 if ( fieldMgr != 0 )
268 {
269 // If the field manager has no field, there is no field !
270
271 fieldExertsForce = ( fieldMgr->GetDetectorField() != 0 );
272 }
273 }
274 if ( fieldExertsForce )
275 {
276 pField = fieldMgr->GetDetectorField() ;
277 G4ThreeVector globPosition = trackData.GetPosition() ;
278 G4double globPosVec[3], FieldValueVec[3] ;
279 globPosVec[0] = globPosition.x() ;
280 globPosVec[1] = globPosition.y() ;
281 globPosVec[2] = globPosition.z() ;
282
283 pField->GetFieldValue( globPosVec, FieldValueVec ) ;
284 FieldValue = G4ThreeVector( FieldValueVec[0],
285 FieldValueVec[1],
286 FieldValueVec[2] );
287
288 G4ThreeVector unitMomentum = aDynamicParticle->GetMomentumDirection();
289 G4ThreeVector unitMcrossB = FieldValue.cross(unitMomentum);
290 G4double perpB = unitMcrossB.mag() ;
291 if(perpB > 0.0)
292 {
293 // M-C of synchrotron photon energy
294
295 G4double energyOfSR = GetRandomEnergySR(gamma,perpB);
296
297 if(fVerboseLevel > 0)
298 {
299 G4cout<<"SR photon energy = "<<energyOfSR/keV<<" keV"<<G4endl;
300 }
301 // check against insufficient energy
302
303 if( energyOfSR <= 0.0 )
304 {
305 return G4VDiscreteProcess::PostStepDoIt(trackData,stepData);
306 }
307 G4double kineticEnergy = aDynamicParticle->GetKineticEnergy();
308 G4ParticleMomentum
309 particleDirection = aDynamicParticle->GetMomentumDirection();
310
311 // M-C of its direction
312
313 G4double Teta = G4UniformRand()/gamma ; // Very roughly
314
315 G4double Phi = twopi * G4UniformRand() ;
316
[1337]317 G4double dirx = std::sin(Teta)*std::cos(Phi) ,
318 diry = std::sin(Teta)*std::sin(Phi) ,
319 dirz = std::cos(Teta) ;
[819]320
321 G4ThreeVector gammaDirection ( dirx, diry, dirz);
322 gammaDirection.rotateUz(particleDirection);
323
324 // polarization of new gamma
325
[1337]326 // G4double sx = std::cos(Teta)*std::cos(Phi);
327 // G4double sy = std::cos(Teta)*std::sin(Phi);
328 // G4double sz = -std::sin(Teta);
[819]329
330 G4ThreeVector gammaPolarization = FieldValue.cross(gammaDirection);
331 gammaPolarization = gammaPolarization.unit();
332
333 // (sx, sy, sz);
334 // gammaPolarization.rotateUz(particleDirection);
335
336 // create G4DynamicParticle object for the SR photon
337
338 G4DynamicParticle* aGamma= new G4DynamicParticle ( G4Gamma::Gamma(),
339 gammaDirection,
340 energyOfSR );
341 aGamma->SetPolarization( gammaPolarization.x(),
342 gammaPolarization.y(),
343 gammaPolarization.z() );
344
345
346 aParticleChange.SetNumberOfSecondaries(1);
347 aParticleChange.AddSecondary(aGamma);
348
349 // Update the incident particle
350
351 G4double newKinEnergy = kineticEnergy - energyOfSR ;
352
353 if (newKinEnergy > 0.)
354 {
355 aParticleChange.ProposeMomentumDirection( particleDirection );
356 aParticleChange.ProposeEnergy( newKinEnergy );
357 aParticleChange.ProposeLocalEnergyDeposit (0.);
358 }
359 else
360 {
361 aParticleChange.ProposeEnergy( 0. );
362 aParticleChange.ProposeLocalEnergyDeposit (0.);
363 G4double charge = aDynamicParticle->GetDefinition()->GetPDGCharge();
364 if (charge<0.)
365 {
366 aParticleChange.ProposeTrackStatus(fStopAndKill) ;
367 }
368 else
369 {
370 aParticleChange.ProposeTrackStatus(fStopButAlive) ;
371 }
372 }
373 }
374 else
375 {
376 return G4VDiscreteProcess::PostStepDoIt(trackData,stepData);
377 }
378 }
379 return G4VDiscreteProcess::PostStepDoIt(trackData,stepData);
380}
381
382
383G4double
384G4SynchrotronRadiationInMat::GetPhotonEnergy( const G4Track& trackData,
385 const G4Step& )
386
387{
388 G4int i ;
389 G4double energyOfSR = -1.0 ;
390 //G4Material* aMaterial=trackData.GetMaterial() ;
391
392 const G4DynamicParticle* aDynamicParticle=trackData.GetDynamicParticle();
393
394 G4double gamma = aDynamicParticle->GetTotalEnergy()/
395 (aDynamicParticle->GetMass() ) ;
396
397 G4double particleCharge = aDynamicParticle->GetDefinition()->GetPDGCharge();
398
399 G4ThreeVector FieldValue;
400 const G4Field* pField = 0 ;
401
402 G4FieldManager* fieldMgr=0;
403 G4bool fieldExertsForce = false;
404
405 if( (particleCharge != 0.0) )
406 {
407 fieldMgr = fFieldPropagator->FindAndSetFieldManager( trackData.GetVolume() );
408 if ( fieldMgr != 0 )
409 {
410 // If the field manager has no field, there is no field !
411
412 fieldExertsForce = ( fieldMgr->GetDetectorField() != 0 );
413 }
414 }
415 if ( fieldExertsForce )
416 {
417 pField = fieldMgr->GetDetectorField();
418 G4ThreeVector globPosition = trackData.GetPosition();
419 G4double globPosVec[3], FieldValueVec[3];
420
421 globPosVec[0] = globPosition.x();
422 globPosVec[1] = globPosition.y();
423 globPosVec[2] = globPosition.z();
424
425 pField->GetFieldValue( globPosVec, FieldValueVec );
426 FieldValue = G4ThreeVector( FieldValueVec[0],
427 FieldValueVec[1],
428 FieldValueVec[2] );
429
430 G4ThreeVector unitMomentum = aDynamicParticle->GetMomentumDirection();
431 G4ThreeVector unitMcrossB = FieldValue.cross(unitMomentum) ;
432 G4double perpB = unitMcrossB.mag();
433 if( perpB > 0.0 )
434 {
435 // M-C of synchrotron photon energy
436
437 G4double random = G4UniformRand() ;
438 for(i=0;i<200;i++)
439 {
440 if(random >= fIntegralProbabilityOfSR[i]) break ;
441 }
442 energyOfSR = 0.0001*i*i*fEnergyConst*gamma*gamma*perpB ;
443
444 // check against insufficient energy
445
446 if(energyOfSR <= 0.0)
447 {
448 return -1.0 ;
449 }
450 //G4double kineticEnergy = aDynamicParticle->GetKineticEnergy();
451 //G4ParticleMomentum
452 //particleDirection = aDynamicParticle->GetMomentumDirection();
453
454 // Gamma production cut in this material
455 //G4double
456 //gammaEnergyCut = (G4Gamma::GetCutsInEnergy())[aMaterial->GetIndex()];
457
458 // SR photon has energy more than the current material cut
459 // M-C of its direction
460
461 //G4double Teta = G4UniformRand()/gamma ; // Very roughly
462
463 //G4double Phi = twopi * G4UniformRand() ;
464 }
465 else
466 {
467 return -1.0 ;
468 }
469 }
470 return energyOfSR ;
471}
472
473/////////////////////////////////////////////////////////////////////////////////
474//
475//
476
477G4double G4SynchrotronRadiationInMat::GetRandomEnergySR(G4double gamma, G4double perpB)
478{
479 G4int i, iMax;
480 G4double energySR, random, position;
481
482 iMax = 200;
483 random = G4UniformRand();
484
485 for( i = 0; i < iMax; i++ )
486 {
487 if( random >= fIntegralProbabilityOfSR[i] ) break;
488 }
489 if(i <= 0 ) position = G4UniformRand(); // 0.
490 else if( i>= iMax) position = G4double(iMax);
491 else position = i + G4UniformRand(); // -1
492 //
493 // it was in initial implementation:
494 // energyOfSR = 0.0001*i*i*fEnergyConst*gamma*gamma*perpB ;
495
496 energySR = 0.0001*position*position*fEnergyConst*gamma*gamma*perpB;
497
498 if( energySR < 0. ) energySR = 0.;
499
500 return energySR;
501}
502
503/////////////////////////////////////////////////////////////////////////
504//
505// return
506
507G4double G4SynchrotronRadiationInMat::GetProbSpectrumSRforInt( G4double t)
508{
509 G4double result, hypCos2, hypCos=std::cosh(t);
510
511 hypCos2 = hypCos*hypCos;
512 result = std::cosh(5.*t/3.)*std::exp(t-fKsi*hypCos); // fKsi > 0. !
513 result /= hypCos2;
514 return result;
515}
516
517///////////////////////////////////////////////////////////////////////////
518//
519// return the probability to emit SR photon with relative energy
520// energy/energy_c >= ksi
521// for ksi <= 0. P = 1., however the method works for ksi > 0 only!
522
523G4double G4SynchrotronRadiationInMat::GetIntProbSR( G4double ksi)
524{
525 if (ksi <= 0.) return 1.0;
526 fKsi = ksi; // should be > 0. !
527 G4int n;
528 G4double result, a;
529
530 a = fAlpha; // always = 0.
531 n = fRootNumber; // around default = 80
532
533 G4Integrator<G4SynchrotronRadiationInMat, G4double(G4SynchrotronRadiationInMat::*)(G4double)> integral;
534
535 result = integral.Laguerre(this,
536 &G4SynchrotronRadiationInMat::GetProbSpectrumSRforInt, a, n);
537
538 result *= 3./5./pi;
539
540 return result;
541}
542
543/////////////////////////////////////////////////////////////////////////
544//
545// return an auxiliary function for K_5/3 integral representation
546
547G4double G4SynchrotronRadiationInMat::GetProbSpectrumSRforEnergy( G4double t)
548{
549 G4double result, hypCos=std::cosh(t);
550
551 result = std::cosh(5.*t/3.)*std::exp(t - fKsi*hypCos); // fKsi > 0. !
552 result /= hypCos;
553 return result;
554}
555
556///////////////////////////////////////////////////////////////////////////
557//
558// return the probability to emit SR photon energy with relative energy
559// energy/energy_c >= ksi
560// for ksi <= 0. P = 1., however the method works for ksi > 0 only!
561
562G4double G4SynchrotronRadiationInMat::GetEnergyProbSR( G4double ksi)
563{
564 if (ksi <= 0.) return 1.0;
565 fKsi = ksi; // should be > 0. !
566 G4int n;
567 G4double result, a;
568
569 a = fAlpha; // always = 0.
570 n = fRootNumber; // around default = 80
571
572 G4Integrator<G4SynchrotronRadiationInMat, G4double(G4SynchrotronRadiationInMat::*)(G4double)> integral;
573
574 result = integral.Laguerre(this,
575 &G4SynchrotronRadiationInMat::GetProbSpectrumSRforEnergy, a, n);
576
577 result *= 9.*std::sqrt(3.)*ksi/8./pi;
578
579 return result;
580}
581
582/////////////////////////////////////////////////////////////////////////////
583//
584//
585
586G4double G4SynchrotronRadiationInMat::GetIntegrandForAngleK( G4double t)
587{
588 G4double result, hypCos=std::cosh(t);
589
590 result = std::cosh(fOrderAngleK*t)*std::exp(t - fEta*hypCos); // fEta > 0. !
591 result /= hypCos;
592 return result;
593}
594
595//////////////////////////////////////////////////////////////////////////
596//
597// Return K 1/3 or 2/3 for angular distribution
598
599G4double G4SynchrotronRadiationInMat::GetAngleK( G4double eta)
600{
601 fEta = eta; // should be > 0. !
602 G4int n;
603 G4double result, a;
604
605 a = fAlpha; // always = 0.
606 n = fRootNumber; // around default = 80
607
608 G4Integrator<G4SynchrotronRadiationInMat, G4double(G4SynchrotronRadiationInMat::*)(G4double)> integral;
609
610 result = integral.Laguerre(this,
611 &G4SynchrotronRadiationInMat::GetIntegrandForAngleK, a, n);
612
613 return result;
614}
615
616/////////////////////////////////////////////////////////////////////////
617//
618// Relative angle diff distribution for given fKsi, which is set externally
619
620G4double G4SynchrotronRadiationInMat::GetAngleNumberAtGammaKsi( G4double gpsi)
621{
622 G4double result, funK, funK2, gpsi2 = gpsi*gpsi;
623
624 fPsiGamma = gpsi;
625 fEta = 0.5*fKsi*(1 + gpsi2)*std::sqrt(1 + gpsi2);
626
627 fOrderAngleK = 1./3.;
628 funK = GetAngleK(fEta);
629 funK2 = funK*funK;
630
631 result = gpsi2*funK2/(1 + gpsi2);
632
633 fOrderAngleK = 2./3.;
634 funK = GetAngleK(fEta);
635 funK2 = funK*funK;
636
637 result += funK2;
638 result *= (1 + gpsi2)*fKsi;
639
640 return result;
641}
642
643
644///////////////////// end of G4SynchrotronRadiationInMat.cc
645
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