Geant4 10.7.0
Toolkit for the simulation of the passage of particles through matter
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G4QMDMeanField.cc
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25//
26// 081120 Add Update by T. Koi
27//
28
29#include <map>
30#include <algorithm>
31#include <numeric>
32
33#include <cmath>
34#include <CLHEP/Random/Stat.h>
35
36#include "G4QMDMeanField.hh"
37#include "G4QMDParameters.hh"
38#include "G4Exp.hh"
39#include "G4Pow.hh"
40#include "G4PhysicalConstants.hh"
41#include "Randomize.hh"
42
43G4QMDMeanField::G4QMDMeanField()
44: rclds ( 4.0 ) // distance for cluster judgement
45, epsx ( -20.0 ) // gauss term
46, epscl ( 0.0001 ) // coulomb term
47, irelcr ( 1 )
48{
49
50 G4QMDParameters* parameters = G4QMDParameters::GetInstance();
51 wl = parameters->Get_wl();
52 cl = parameters->Get_cl();
53 rho0 = parameters->Get_rho0();
54 hbc = parameters->Get_hbc();
55 gamm = parameters->Get_gamm();
56
57 cpw = parameters->Get_cpw();
58 cph = parameters->Get_cph();
59 cpc = parameters->Get_cpc();
60
61 c0 = parameters->Get_c0();
62 c3 = parameters->Get_c3();
63 cs = parameters->Get_cs();
64
65// distance
66 c0w = 1.0/4.0/wl;
67 //c3w = 1.0/4.0/wl; //no need
68 c0sw = std::sqrt( c0w );
69 clw = 2.0 / std::sqrt ( 4.0 * pi * wl );
70
71// graduate
72 c0g = - c0 / ( 2.0 * wl );
73 c3g = - c3 / ( 4.0 * wl ) * gamm;
74 csg = - cs / ( 2.0 * wl );
75 pag = gamm - 1;
76
77 system = NULL; // will be set through SetSystem method
78}
79
80
81
82G4QMDMeanField::~G4QMDMeanField()
83{
84 ;
85}
86
87
88
89void G4QMDMeanField::SetSystem ( G4QMDSystem* aSystem )
90{
91
92 //std::cout << "QMDMeanField SetSystem" << std::endl;
93
94 system = aSystem;
95
96 G4int n = system->GetTotalNumberOfParticipant();
97
98 pp2.clear();
99 rr2.clear();
100 rbij.clear();
101 rha.clear();
102 rhe.clear();
103 rhc.clear();
104
105 rr2.resize( n );
106 pp2.resize( n );
107 rbij.resize( n );
108 rha.resize( n );
109 rhe.resize( n );
110 rhc.resize( n );
111
112 for ( int i = 0 ; i < n ; i++ )
113 {
114 rr2[i].resize( n );
115 pp2[i].resize( n );
116 rbij[i].resize( n );
117 rha[i].resize( n );
118 rhe[i].resize( n );
119 rhc[i].resize( n );
120 }
121
122
123 ffr.clear();
124 ffp.clear();
125 rh3d.clear();
126
127 ffr.resize( n );
128 ffp.resize( n );
129 rh3d.resize( n );
130
131 Cal2BodyQuantities();
132
133}
134
135void G4QMDMeanField::SetNucleus ( G4QMDNucleus* aNucleus )
136{
137
138 //std::cout << "QMDMeanField SetNucleus" << std::endl;
139
140 SetSystem( aNucleus );
141
142 G4double totalPotential = GetTotalPotential();
143 aNucleus->SetTotalPotential( totalPotential );
144
145 aNucleus->CalEnergyAndAngularMomentumInCM();
146
147}
148
149
150
151void G4QMDMeanField::Cal2BodyQuantities()
152{
153
154 if ( system->GetTotalNumberOfParticipant() < 2 ) return;
155
156 for ( G4int j = 1 ; j < system->GetTotalNumberOfParticipant() ; j++ )
157 {
158
159 G4ThreeVector rj = system->GetParticipant( j )->GetPosition();
160 G4LorentzVector p4j = system->GetParticipant( j )->Get4Momentum();
161
162 for ( G4int i = 0 ; i < j ; i++ )
163 {
164
165 G4ThreeVector ri = system->GetParticipant( i )->GetPosition();
166 G4LorentzVector p4i = system->GetParticipant( i )->Get4Momentum();
167
168 G4ThreeVector rij = ri - rj;
169 G4ThreeVector pij = (p4i - p4j).v();
170 G4LorentzVector p4ij = p4i - p4j;
171 G4ThreeVector bij = ( p4i + p4j ).boostVector();
172 G4double gammaij = ( p4i + p4j ).gamma();
173
174 G4double eij = ( p4i + p4j ).e();
175
176 G4double rbrb = rij*bij;
177// G4double bij2 = bij*bij;
178 G4double rij2 = rij*rij;
179 G4double pij2 = pij*pij;
180
181 rbrb = irelcr * rbrb;
182 G4double gamma2_ij = gammaij*gammaij;
183
184
185 rr2[i][j] = rij2 + gamma2_ij * rbrb*rbrb;
186 rr2[j][i] = rr2[i][j];
187
188 rbij[i][j] = gamma2_ij * rbrb;
189 rbij[j][i] = - rbij[i][j];
190
191 pp2[i][j] = pij2
192 + irelcr * ( - G4Pow::GetInstance()->powN ( p4i.e() - p4j.e() , 2 )
193 + gamma2_ij * G4Pow::GetInstance()->powN ( ( ( p4i.m2() - p4j.m2() ) / eij ) , 2 ) );
194
195
196 pp2[j][i] = pp2[i][j];
197
198// Gauss term
199
200 G4double expa1 = - rr2[i][j] * c0w;
201
202 G4double rh1;
203 if ( expa1 > epsx )
204 {
205 rh1 = G4Exp( expa1 );
206 }
207 else
208 {
209 rh1 = 0.0;
210 }
211
212 G4int ibry = system->GetParticipant(i)->GetBaryonNumber();
213 G4int jbry = system->GetParticipant(j)->GetBaryonNumber();
214
215
216 rha[i][j] = ibry*jbry*rh1;
217 rha[j][i] = rha[i][j];
218
219// Coulomb terms
220
221 G4double rrs2 = rr2[i][j] + epscl;
222 G4double rrs = std::sqrt ( rrs2 );
223
224 G4int icharge = system->GetParticipant(i)->GetChargeInUnitOfEplus();
225 G4int jcharge = system->GetParticipant(j)->GetChargeInUnitOfEplus();
226
227 G4double xerf = 0.0;
228 // T. K. add this protection. 5.8 is good enough for double
229 if ( rrs*c0sw < 5.8 ) {
230 //erf = G4RandStat::erf ( rrs*c0sw );
231 //Restore to CLHEP for avoiding compilation error in MT
232 //erf = CLHEP::HepStat::erf ( rrs*c0sw );
233 //Use cmath
234#if defined WIN32-VC
235 xerf = CLHEP::HepStat::erf ( rrs*c0sw );
236#else
237 xerf = erf ( rrs*c0sw );
238#endif
239 } else {
240 xerf = 1.0;
241 }
242
243 G4double erfij = xerf/rrs;
244
245
246 rhe[i][j] = icharge*jcharge * erfij;
247
248 rhe[j][i] = rhe[i][j];
249
250 rhc[i][j] = icharge*jcharge * ( - erfij + clw * rh1 ) / rrs2;
251
252 rhc[j][i] = rhc[i][j];
253
254 } // i
255 } // j
256}
257
258
259
260void G4QMDMeanField::Cal2BodyQuantities( G4int i )
261{
262
263 //std::cout << "Cal2BodyQuantities " << i << std::endl;
264
265 G4ThreeVector ri = system->GetParticipant( i )->GetPosition();
266 G4LorentzVector p4i = system->GetParticipant( i )->Get4Momentum();
267
268
269 for ( G4int j = 0 ; j < system->GetTotalNumberOfParticipant() ; j ++ )
270 {
271 if ( j == i ) continue;
272
273 G4ThreeVector rj = system->GetParticipant( j )->GetPosition();
274 G4LorentzVector p4j = system->GetParticipant( j )->Get4Momentum();
275
276 G4ThreeVector rij = ri - rj;
277 G4ThreeVector pij = (p4i - p4j).v();
278 G4LorentzVector p4ij = p4i - p4j;
279 G4ThreeVector bij = ( p4i + p4j ).boostVector();
280 G4double gammaij = ( p4i + p4j ).gamma();
281
282 G4double eij = ( p4i + p4j ).e();
283
284 G4double rbrb = rij*bij;
285// G4double bij2 = bij*bij;
286 G4double rij2 = rij*rij;
287 G4double pij2 = pij*pij;
288
289 rbrb = irelcr * rbrb;
290 G4double gamma2_ij = gammaij*gammaij;
291
292/*
293 G4double rbrb = 0.0;
294 G4double beta2_ij = 0.0;
295 G4double rij2 = 0.0;
296 G4double pij2 = 0.0;
297
298//
299 G4LorentzVector p4ip4j = p4i + p4j;
300 G4double eij = p4ip4j.e();
301
302 G4ThreeVector r = ri - rj;
303 G4LorentzVector p4 = p4i - p4j;
304
305 rbrb = r.x()*p4ip4j.x()/eij
306 + r.y()*p4ip4j.y()/eij
307 + r.z()*p4ip4j.z()/eij;
308
309 beta2_ij = ( p4ip4j.x()*p4ip4j.x() + p4ip4j.y()*p4ip4j.y() + p4ip4j.z()*p4ip4j.z() ) / ( eij*eij );
310 rij2 = r*r;
311 pij2 = p4.v()*p4.v();
312
313 rbrb = irelcr * rbrb;
314
315 G4double gamma2_ij = 1 / ( 1 - beta2_ij );
316*/
317
318 rr2[i][j] = rij2 + gamma2_ij * rbrb*rbrb;
319 rr2[j][i] = rr2[i][j];
320
321 rbij[i][j] = gamma2_ij * rbrb;
322 rbij[j][i] = - rbij[i][j];
323
324 pp2[i][j] = pij2
325 + irelcr * ( - G4Pow::GetInstance()->powN ( p4i.e() - p4j.e() , 2 )
326 + gamma2_ij * G4Pow::GetInstance()->powN ( ( ( p4i.m2() - p4j.m2() ) / eij ) , 2 ) );
327
328 pp2[j][i] = pp2[i][j];
329
330// Gauss term
331
332 G4double expa1 = - rr2[i][j] * c0w;
333
334 G4double rh1;
335 if ( expa1 > epsx )
336 {
337 rh1 = G4Exp( expa1 );
338 }
339 else
340 {
341 rh1 = 0.0;
342 }
343
344 G4int ibry = system->GetParticipant(i)->GetBaryonNumber();
345 G4int jbry = system->GetParticipant(j)->GetBaryonNumber();
346
347
348 rha[i][j] = ibry*jbry*rh1;
349 rha[j][i] = rha[i][j];
350
351// Coulomb terms
352
353 G4double rrs2 = rr2[i][j] + epscl;
354 G4double rrs = std::sqrt ( rrs2 );
355
356 G4int icharge = system->GetParticipant(i)->GetChargeInUnitOfEplus();
357 G4int jcharge = system->GetParticipant(j)->GetChargeInUnitOfEplus();
358
359 G4double xerf = 0.0;
360 // T. K. add this protection. 5.8 is good enough for double
361 if ( rrs*c0sw < 5.8 ) {
362 //xerf = G4RandStat::erf ( rrs*c0sw );
363 //Use cmath
364#if defined WIN32-VC
365 xerf = CLHEP::HepStat::erf ( rrs*c0sw );
366#else
367 xerf = erf ( rrs*c0sw );
368#endif
369 } else {
370 xerf = 1.0;
371 }
372
373 G4double erfij = xerf/rrs;
374
375
376 rhe[i][j] = icharge*jcharge * erfij;
377
378 rhe[j][i] = rhe[i][j];
379
380// G4double clw;
381
382 rhc[i][j] = icharge*jcharge * ( - erfij + clw * rh1 ) / rrs2;
383
384 rhc[j][i] = rhc[i][j];
385
386 }
387
388}
389
390
391
392void G4QMDMeanField::CalGraduate()
393{
394
395 ffr.resize( system->GetTotalNumberOfParticipant() );
396 ffp.resize( system->GetTotalNumberOfParticipant() );
397 rh3d.resize( system->GetTotalNumberOfParticipant() );
398
399 for ( G4int i = 0 ; i < system->GetTotalNumberOfParticipant() ; i ++ )
400 {
401 G4double rho3 = 0.0;
402 for ( G4int j = 0 ; j < system->GetTotalNumberOfParticipant() ; j ++ )
403 {
404 rho3 += rha[j][i];
405 }
406 rh3d[i] = G4Pow::GetInstance()->powA ( rho3 , pag );
407 }
408
409
410 for ( G4int i = 0 ; i < system->GetTotalNumberOfParticipant() ; i ++ )
411 {
412
413 G4ThreeVector ri = system->GetParticipant( i )->GetPosition();
414 G4LorentzVector p4i = system->GetParticipant( i )->Get4Momentum();
415
416 G4ThreeVector betai = p4i.v()/p4i.e();
417
418// R-JQMD
419 G4double Vi = GetPotential( i );
420 G4double p_zero = std::sqrt( p4i.e()*p4i.e() + 2*p4i.m()*Vi);
421 G4ThreeVector betai_R = p4i.v()/p_zero;
422 G4double mi_R = p4i.m()/p_zero;
423//
424 ffr[i] = betai_R;
425 ffp[i] = G4ThreeVector( 0.0 );
426
427 if ( false )
428 {
429 ffr[i] = betai;
430 mi_R = 1.0;
431 }
432
433 for ( G4int j = 0 ; j < system->GetTotalNumberOfParticipant() ; j ++ )
434 {
435
436 G4ThreeVector rj = system->GetParticipant( j )->GetPosition();
437 G4LorentzVector p4j = system->GetParticipant( j )->Get4Momentum();
438
439 G4double eij = p4i.e() + p4j.e();
440
441 G4int icharge = system->GetParticipant(i)->GetChargeInUnitOfEplus();
442 G4int jcharge = system->GetParticipant(j)->GetChargeInUnitOfEplus();
443
444 G4int inuc = system->GetParticipant(i)->GetNuc();
445 G4int jnuc = system->GetParticipant(j)->GetNuc();
446
447 G4double ccpp = c0g * rha[j][i]
448 + c3g * rha[j][i] * ( rh3d[j] + rh3d[i] )
449 + csg * rha[j][i] * jnuc * inuc
450 * ( 1. - 2. * std::abs( jcharge - icharge ) )
451 + cl * rhc[j][i];
452 ccpp *= mi_R;
453
454/*
455 G4cout << c0g << " " << c3g << " " << csg << " " << cl << G4endl;
456 G4cout << "ccpp " << i << " " << j << " " << ccpp << G4endl;
457 G4cout << "rha[j][i] " << rha[j][i] << G4endl;
458 G4cout << "rh3d " << rh3d[j] << " " << rh3d[i] << G4endl;
459 G4cout << "rhc[j][i] " << rhc[j][i] << G4endl;
460*/
461
462 G4double grbb = - rbij[j][i];
463 G4double ccrr = grbb * ccpp / eij;
464
465/*
466 G4cout << "ccrr " << ccrr << G4endl;
467 G4cout << "grbb " << grbb << G4endl;
468*/
469
470
471 G4ThreeVector rij = ri - rj;
472 G4ThreeVector betaij = ( p4i + p4j ).v()/eij;
473
474 G4ThreeVector cij = betaij - betai;
475
476 ffr[i] = ffr[i] + 2*ccrr* ( rij + grbb*cij );
477
478 ffp[i] = ffp[i] - 2*ccpp* ( rij + grbb*betaij );
479
480 }
481 }
482
483 //std::cout << "gradu 0 " << ffr[0] << " " << ffp[0] << std::endl;
484 //std::cout << "gradu 1 " << ffr[1] << " " << ffp[1] << std::endl;
485
486}
487
488
489
490G4double G4QMDMeanField::GetPotential( G4int i )
491{
492 G4int n = system->GetTotalNumberOfParticipant();
493
494 G4double rhoa = 0.0;
495 G4double rho3 = 0.0;
496 G4double rhos = 0.0;
497 G4double rhoc = 0.0;
498
499
500 G4int icharge = system->GetParticipant(i)->GetChargeInUnitOfEplus();
501 G4int inuc = system->GetParticipant(i)->GetNuc();
502
503 for ( G4int j = 0 ; j < n ; j ++ )
504 {
505 G4int jcharge = system->GetParticipant(j)->GetChargeInUnitOfEplus();
506 G4int jnuc = system->GetParticipant(j)->GetNuc();
507
508 rhoa += rha[j][i];
509 rhoc += rhe[j][i];
510 rhos += rha[j][i] * jnuc * inuc
511 * ( 1 - 2 * std::abs ( jcharge - icharge ) );
512 }
513
514 rho3 = G4Pow::GetInstance()->powA ( rhoa , gamm );
515
516 G4double potential = c0 * rhoa
517 + c3 * rho3
518 + cs * rhos
519 + cl * rhoc;
520
521 return potential;
522}
523
524
525
526G4double G4QMDMeanField::GetTotalPotential()
527{
528
529 G4int n = system->GetTotalNumberOfParticipant();
530
531 std::vector < G4double > rhoa ( n , 0.0 );
532 std::vector < G4double > rho3 ( n , 0.0 );
533 std::vector < G4double > rhos ( n , 0.0 );
534 std::vector < G4double > rhoc ( n , 0.0 );
535
536
537 for ( G4int i = 0 ; i < n ; i ++ )
538 {
539 G4int icharge = system->GetParticipant(i)->GetChargeInUnitOfEplus();
540 G4int inuc = system->GetParticipant(i)->GetNuc();
541
542 for ( G4int j = 0 ; j < n ; j ++ )
543 {
544 G4int jcharge = system->GetParticipant(j)->GetChargeInUnitOfEplus();
545 G4int jnuc = system->GetParticipant(j)->GetNuc();
546
547 rhoa[i] += rha[j][i];
548 rhoc[i] += rhe[j][i];
549 rhos[i] += rha[j][i] * jnuc * inuc
550 * ( 1 - 2 * std::abs ( jcharge - icharge ) );
551 }
552
553 rho3[i] = G4Pow::GetInstance()->powA ( rhoa[i] , gamm );
554 }
555
556 G4double potential = c0 * std::accumulate( rhoa.begin() , rhoa.end() , 0.0 )
557 + c3 * std::accumulate( rho3.begin() , rho3.end() , 0.0 )
558 + cs * std::accumulate( rhos.begin() , rhos.end() , 0.0 )
559 + cl * std::accumulate( rhoc.begin() , rhoc.end() , 0.0 );
560
561 return potential;
562
563}
564
565
566
567G4double G4QMDMeanField::calPauliBlockingFactor( G4int i )
568{
569
570 G4double pf = 0.0;
571// i is supposed beyond total number of Participant()
572 G4int icharge = system->GetParticipant(i)->GetChargeInUnitOfEplus();
573
574 for ( G4int j = 0 ; j < system->GetTotalNumberOfParticipant() ; j++ )
575 {
576
577 G4int jcharge = system->GetParticipant(j)->GetChargeInUnitOfEplus();
578 G4int jnuc = system->GetParticipant(j)->GetNuc();
579
580 if ( jcharge == icharge && jnuc == 1 )
581 {
582
583/*
584 G4cout << "Pauli i j " << i << " " << j << G4endl;
585 G4cout << "Pauli icharge " << icharge << G4endl;
586 G4cout << "Pauli jcharge " << jcharge << G4endl;
587*/
588 G4double expa = -rr2[i][j]*cpw;
589
590
591 if ( expa > epsx )
592 {
593 expa = expa - pp2[i][j]*cph;
594/*
595 G4cout << "Pauli cph " << cph << G4endl;
596 G4cout << "Pauli pp2 " << pp2[i][j] << G4endl;
597 G4cout << "Pauli expa " << expa << G4endl;
598 G4cout << "Pauli epsx " << epsx << G4endl;
599*/
600 if ( expa > epsx )
601 {
602// std::cout << "Pauli phase " << pf << std::endl;
603 pf = pf + G4Exp ( expa );
604 }
605 }
606 }
607
608 }
609
610
611 pf = ( pf - 1.0 ) * cpc;
612
613 //std::cout << "Pauli pf " << pf << std::endl;
614
615 return pf;
616
617}
618
619
620
621G4bool G4QMDMeanField::IsPauliBlocked( G4int i )
622{
623 G4bool result = false;
624
625 if ( system->GetParticipant( i )->GetNuc() == 1 )
626 {
627 G4double pf = calPauliBlockingFactor( i );
628 G4double rand = G4UniformRand();
629 if ( pf > rand ) result = true;
630 }
631
632 return result;
633}
634
635
636
637void G4QMDMeanField::DoPropagation( G4double dt )
638{
639
640 G4double cc2 = 1.0;
641 G4double cc1 = 1.0 - cc2;
642 G4double cc3 = 1.0 / 2.0 / cc2;
643
644 G4double dt3 = dt * cc3;
645 G4double dt1 = dt * ( cc1 - cc3 );
646 G4double dt2 = dt * cc2;
647
648 CalGraduate();
649
650 G4int n = system->GetTotalNumberOfParticipant();
651
652// 1st Step
653
654 std::vector< G4ThreeVector > f0r, f0p;
655 f0r.resize( n );
656 f0p.resize( n );
657
658 for ( G4int i = 0 ; i < n ; i++ )
659 {
660 G4ThreeVector ri = system->GetParticipant( i )->GetPosition();
661 G4ThreeVector p3i = system->GetParticipant( i )->GetMomentum();
662
663 ri += dt3* ffr[i];
664 p3i += dt3* ffp[i];
665
666 f0r[i] = ffr[i];
667 f0p[i] = ffp[i];
668
669 system->GetParticipant( i )->SetPosition( ri );
670 system->GetParticipant( i )->SetMomentum( p3i );
671
672// we do not need set total momentum by ourselvs
673 }
674
675// 2nd Step
676 Cal2BodyQuantities();
677 CalGraduate();
678
679 for ( G4int i = 0 ; i < n ; i++ )
680 {
681 G4ThreeVector ri = system->GetParticipant( i )->GetPosition();
682 G4ThreeVector p3i = system->GetParticipant( i )->GetMomentum();
683
684 ri += dt1* f0r[i] + dt2* ffr[i];
685 p3i += dt1* f0p[i] + dt2* ffp[i];
686
687 system->GetParticipant( i )->SetPosition( ri );
688 system->GetParticipant( i )->SetMomentum( p3i );
689
690// we do not need set total momentum by ourselvs
691 }
692
693 Cal2BodyQuantities();
694
695}
696
697
698
699std::vector< G4QMDNucleus* > G4QMDMeanField::DoClusterJudgment()
700{
701
702 //std::cout << "MeanField DoClusterJudgemnt" << std::endl;
703
704 Cal2BodyQuantities();
705
706 G4double cpf2 = G4Pow::GetInstance()->A23 ( 1.5 * pi*pi * G4Pow::GetInstance()->powA ( 4.0 * pi * wl , -1.5 ) ) * hbc * hbc;
707 G4double rcc2 = rclds*rclds;
708
709 G4int n = system->GetTotalNumberOfParticipant();
710 std::vector < G4double > rhoa;
711 rhoa.resize ( n );
712
713 for ( G4int i = 0 ; i < n ; i++ )
714 {
715 rhoa[i] = 0.0;
716
717 if ( system->GetParticipant( i )->GetBaryonNumber() == 1 )
718 {
719 for ( G4int j = 0 ; j < n ; j++ )
720 {
721 if ( system->GetParticipant( j )->GetBaryonNumber() == 1 )
722 rhoa[i] += rha[i][j];
723 }
724 }
725
726 rhoa[i] = G4Pow::GetInstance()->A13 ( rhoa[i] + 1 );
727
728 }
729
730// identification of the cluster
731
732 std::map < G4int , std::vector < G4int > > cluster_map;
733 std::vector < G4bool > is_already_belong_some_cluster;
734
735 // cluster_id participant_id
736 std::multimap < G4int , G4int > comb_map;
737 std::multimap < G4int , G4int > assign_map;
738 assign_map.clear();
739
740 std::vector < G4int > mascl;
741 std::vector < G4int > num;
742 mascl.resize ( n );
743 num.resize ( n );
744 is_already_belong_some_cluster.resize ( n );
745
746 std::vector < G4int > is_assigned_to ( n , -1 );
747 std::multimap < G4int , G4int > clusters;
748
749 for ( G4int i = 0 ; i < n ; i++ )
750 {
751 mascl[i] = 1;
752 num[i] = 1;
753
754 is_already_belong_some_cluster[i] = false;
755 }
756
757
758 G4int nclst = 1;
759 G4int ichek = 1;
760
761
762 G4int id = 0;
763 G4int cluster_id = -1;
764 for ( G4int i = 0 ; i < n-1 ; i++ )
765 {
766
767 G4bool hasThisCompany = false;
768// Check only for bryons?
769// std::cout << "Check Baryon " << i << std::endl;
770
771 if ( system->GetParticipant( i )->GetBaryonNumber() == 1 )
772 {
773
774// if ( is_already_belong_some_cluster[i] != true )
775// {
776 //G4int j1 = ichek + 1;
777 G4int j1 = i + 1;
778 for ( G4int j = j1 ; j < n ; j++ )
779 {
780
781 std::vector < G4int > cluster_participants;
782 if ( system->GetParticipant( j )->GetBaryonNumber() == 1 )
783 {
784 G4double rdist2 = rr2[ i ][ j ];
785 G4double pdist2 = pp2[ i ][ j ];
786 //G4double rdist2 = rr2[ num[i] ][ num[j] ];
787 //G4double pdist2 = pp2[ num[i] ][ num[j] ];
788 G4double pcc2 = cpf2
789 * ( rhoa[ i ] + rhoa[ j ] )
790 * ( rhoa[ i ] + rhoa[ j ] );
791
792// Check phase space: close enough?
793 if ( rdist2 < rcc2 && pdist2 < pcc2 )
794 {
795
796/*
797 G4cout << "G4QMDRESULT "
798 << i << " " << j << " " << id << " "
799 << is_assigned_to [ i ] << " " << is_assigned_to [ j ]
800 << G4endl;
801*/
802
803 if ( is_assigned_to [ j ] == -1 )
804 {
805 if ( is_assigned_to [ i ] == -1 )
806 {
807 if ( clusters.size() != 0 )
808 {
809 id = clusters.rbegin()->first + 1;
810 //std::cout << "id is increare " << id << std::endl;
811 }
812 else
813 {
814 id = 0;
815 }
816 clusters.insert ( std::multimap<G4int,G4int>::value_type ( id , i ) );
817 is_assigned_to [ i ] = id;
818 clusters.insert ( std::multimap<G4int,G4int>::value_type ( id , j ) );
819 is_assigned_to [ j ] = id;
820 }
821 else
822 {
823 clusters.insert ( std::multimap<G4int,G4int>::value_type ( is_assigned_to [ i ] , j ) );
824 is_assigned_to [ j ] = is_assigned_to [ i ];
825 }
826 }
827 else
828 {
829// j is already belong to some cluester
830 if ( is_assigned_to [ i ] == -1 )
831 {
832 clusters.insert ( std::multimap<G4int,G4int>::value_type ( is_assigned_to [ j ] , i ) );
833 is_assigned_to [ i ] = is_assigned_to [ j ];
834 }
835 else
836 {
837// i has companion
838 if ( is_assigned_to [ i ] != is_assigned_to [ j ] )
839 {
840// move companions to the cluster
841//
842 //std::cout << "combine " << is_assigned_to [ i ] << " to " << is_assigned_to [ j ] << std::endl;
843 std::multimap< G4int , G4int > clusters_tmp;
844 G4int target_cluster_id;
845 if ( is_assigned_to [ i ] > is_assigned_to [ j ] )
846 target_cluster_id = is_assigned_to [ i ];
847 else
848 target_cluster_id = is_assigned_to [ j ];
849
850 for ( std::multimap< G4int , G4int >::iterator it
851 = clusters.begin() ; it != clusters.end() ; it++ )
852 {
853
854 //std::cout << it->first << " " << it->second << " " << target_cluster_id << std::endl;
855 if ( it->first == target_cluster_id )
856 {
857 //std::cout << "move " << it->first << " " << it->second << std::endl;
858 is_assigned_to [ it->second ] = is_assigned_to [ j ];
859 clusters_tmp.insert ( std::multimap<G4int,G4int>::value_type ( is_assigned_to [ j ] , it->second ) );
860 }
861 else
862 {
863 clusters_tmp.insert ( std::multimap<G4int,G4int>::value_type ( it->first , it->second ) );
864 }
865 }
866
867 clusters = clusters_tmp;
868 //id = clusters.rbegin()->first;
869 //id = target_cluster_id;
870 //std::cout << "id " << id << std::endl;
871 }
872 }
873 }
874
875 //std::cout << "combination " << i << " " << j << std::endl;
876 comb_map.insert( std::multimap<G4int,G4int>::value_type ( i , j ) );
877 cluster_participants.push_back ( j );
878
879
880
881 if ( assign_map.find( cluster_id ) == assign_map.end() )
882 {
883 is_already_belong_some_cluster[i] = true;
884 assign_map.insert ( std::multimap<G4int,G4int>::value_type ( cluster_id , i ) );
885 hasThisCompany = true;
886 }
887 assign_map.insert ( std::multimap<G4int,G4int>::value_type ( cluster_id , j ) );
888 is_already_belong_some_cluster[j] = true;
889
890 }
891
892 if ( ichek == i )
893 {
894 nclst++;
895 ichek++;
896 }
897 }
898
899 if ( cluster_participants.size() > 0 )
900 {
901// cluster , participant
902 cluster_map.insert ( std::pair < G4int , std::vector < G4int > > ( i , cluster_participants ) );
903 }
904 }
905// }
906 }
907 if ( hasThisCompany == true ) cluster_id++;
908 }
909
910 //std::cout << " id " << id << std::endl;
911
912// sort
913// Heavy cluster comes first
914// size cluster_id
915 std::multimap< G4int , G4int > sorted_cluster_map;
916 for ( G4int i = 0 ; i <= id ; i++ ) // << "<=" because id is highest cluster nubmer.
917 {
918
919 //std::cout << i << " cluster has " << clusters.count( i ) << " nucleons." << std::endl;
920 sorted_cluster_map.insert ( std::multimap<G4int,G4int>::value_type ( (G4int) clusters.count( i ) , i ) );
921
922 }
923
924
925// create nucleus from devided clusters
926 std::vector < G4QMDNucleus* > result;
927 for ( std::multimap < G4int , G4int >::reverse_iterator it
928 = sorted_cluster_map.rbegin() ; it != sorted_cluster_map.rend() ; it ++)
929 {
930
931 //G4cout << "Add Participants to cluseter " << it->second << G4endl;
932
933 if ( it->first != 0 )
934 {
935 G4QMDNucleus* nucleus = new G4QMDNucleus();
936 for ( std::multimap < G4int , G4int >::iterator itt
937 = clusters.begin() ; itt != clusters.end() ; itt ++)
938 {
939
940 if ( it->second == itt->first )
941 {
942 nucleus->SetParticipant( system->GetParticipant ( itt->second ) );
943 //G4cout << "Add Participants " << itt->second << " " << system->GetParticipant ( itt->second )->GetPosition() << G4endl;
944 }
945
946 }
947 result.push_back( nucleus );
948 }
949
950 }
951
952// delete participants from current system
953
954 for ( std::vector < G4QMDNucleus* > ::iterator it
955 = result.begin() ; it != result.end() ; it++ )
956 {
957 system->SubtractSystem ( *it );
958 }
959
960 return result;
961
962}
963
964
965
966void G4QMDMeanField::Update()
967{
968 SetSystem( system );
969}
G4Exp
G4double G4Exp(G4double initial_x)
Exponential Function double precision.
Definition: G4Exp.hh:179
G4ThreeVector
CLHEP::Hep3Vector G4ThreeVector
Definition: G4ThreeVector.hh:36
G4double
double G4double
Definition: G4Types.hh:83
G4bool
bool G4bool
Definition: G4Types.hh:86
G4int
int G4int
Definition: G4Types.hh:85
G4UniformRand
#define G4UniformRand()
Definition: Randomize.hh:52
CLHEP::HepLorentzVector::v
Hep3Vector v() const
CLHEP::HepStat::erf
static double erf(double x)
Definition: flatToGaussian.cc:268
G4Pow::GetInstance
static G4Pow * GetInstance()
Definition: G4Pow.cc:41
G4Pow::A13
G4double A13(G4double A) const
Definition: G4Pow.cc:120
G4Pow::powN
G4double powN(G4double x, G4int n) const
Definition: G4Pow.cc:166
G4Pow::powA
G4double powA(G4double A, G4double y) const
Definition: G4Pow.hh:230
G4Pow::A23
G4double A23(G4double A) const
Definition: G4Pow.hh:131
G4QMDMeanField::GetTotalPotential
G4double GetTotalPotential()
Definition: G4QMDMeanField.cc:526
G4QMDMeanField::SetNucleus
void SetNucleus(G4QMDNucleus *aSystem)
Definition: G4QMDMeanField.cc:135
G4QMDMeanField::DoPropagation
void DoPropagation(G4double)
Definition: G4QMDMeanField.cc:637
G4QMDMeanField::Cal2BodyQuantities
void Cal2BodyQuantities()
Definition: G4QMDMeanField.cc:151
G4QMDMeanField::GetPotential
G4double GetPotential(G4int)
Definition: G4QMDMeanField.cc:490
G4QMDMeanField::DoClusterJudgment
std::vector< G4QMDNucleus * > DoClusterJudgment()
Definition: G4QMDMeanField.cc:699
G4QMDMeanField::SetSystem
void SetSystem(G4QMDSystem *aSystem)
Definition: G4QMDMeanField.cc:89
G4QMDMeanField::IsPauliBlocked
G4bool IsPauliBlocked(G4int)
Definition: G4QMDMeanField.cc:621
G4QMDNucleus::SetTotalPotential
void SetTotalPotential(G4double x)
Definition: G4QMDNucleus.hh:62
G4QMDNucleus::CalEnergyAndAngularMomentumInCM
void CalEnergyAndAngularMomentumInCM()
Definition: G4QMDNucleus.cc:138
G4QMDParameters::Get_cpc
G4double Get_cpc()
Definition: G4QMDParameters.hh:65
G4QMDParameters::GetInstance
static G4QMDParameters * GetInstance()
Definition: G4QMDParameters.hh:49
G4QMDParameters::Get_hbc
G4double Get_hbc()
Definition: G4QMDParameters.hh:59
G4QMDParameters::Get_rho0
G4double Get_rho0()
Definition: G4QMDParameters.hh:60
G4QMDParameters::Get_gamm
G4double Get_gamm()
Definition: G4QMDParameters.hh:61
G4QMDParameters::Get_cpw
G4double Get_cpw()
Definition: G4QMDParameters.hh:62
G4QMDParameters::Get_cph
G4double Get_cph()
Definition: G4QMDParameters.hh:63
G4QMDParticipant::GetPosition
G4ThreeVector GetPosition()
Definition: G4QMDParticipant.hh:59
G4QMDParticipant::SetPosition
void SetPosition(G4ThreeVector r)
Definition: G4QMDParticipant.hh:58
G4QMDParticipant::Get4Momentum
G4LorentzVector Get4Momentum()
Definition: G4QMDParticipant.cc:50
G4QMDParticipant::GetChargeInUnitOfEplus
G4int GetChargeInUnitOfEplus()
Definition: G4QMDParticipant.hh:73
G4QMDParticipant::GetMomentum
G4ThreeVector GetMomentum()
Definition: G4QMDParticipant.hh:62
G4QMDParticipant::SetMomentum
void SetMomentum(G4ThreeVector p)
Definition: G4QMDParticipant.hh:61
G4QMDSystem::GetParticipant
G4QMDParticipant * GetParticipant(G4int i)
Definition: G4QMDSystem.hh:62
G4QMDSystem::SubtractSystem
void SubtractSystem(G4QMDSystem *)
Definition: G4QMDSystem.cc:59
G4QMDSystem::GetTotalNumberOfParticipant
G4int GetTotalNumberOfParticipant()
Definition: G4QMDSystem.hh:60
G4QMDSystem::SetParticipant
void SetParticipant(G4QMDParticipant *particle)
Definition: G4QMDSystem.hh:51