source: trunk/source/processes/hadronic/models/incl/src/G4InclCascadeInterface.cc@ 1007

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25//
26// $Id: G4InclCascadeInterface.cc,v 1.10 2007/12/10 16:32:02 gunter Exp $
27// Translation of INCL4.2/ABLA V3
28// Pekka Kaitaniemi, HIP (translation)
29// Christelle Schmidt, IPNL (fission code)
30// Alain Boudard, CEA (contact person INCL/ABLA)
31// Aatos Heikkinen, HIP (project coordination)
32
33//#define DEBUGINCL 1
34
35#include "G4InclCascadeInterface.hh"
36#include "math.h"
37#include "G4GenericIon.hh"
38#include "CLHEP/Random/Random.h"
39
40G4InclCascadeInterface::G4InclCascadeInterface()
41{
42 hazard = new G4Hazard();
43 const G4long* table_entry = CLHEP::HepRandom::getTheSeeds(); // Get random seed from CLHEP.
44 hazard->ial = (*table_entry);
45
46 varntp = new G4VarNtp();
47 calincl = new G4Calincl();
48 ws = new G4Ws();
49 mat = new G4Mat();
50 incl = new G4Incl(hazard, calincl, ws, mat, varntp);
51
52 verboseLevel = 0;
53}
54
55G4InclCascadeInterface::~G4InclCascadeInterface()
56{
57 delete hazard;
58 delete varntp;
59 delete calincl;
60 delete ws;
61 delete mat;
62 delete incl;
63}
64
65G4HadFinalState* G4InclCascadeInterface::ApplyYourself(const G4HadProjectile& aTrack, G4Nucleus& theNucleus)
66{
67 G4int maxTries = 200;
68
69 G4int particleI, n = 0;
70
71 G4int bulletType = 0;
72
73 // Print diagnostic messages: 0 = silent, 1 and 2 = verbose
74 verboseLevel = 0;
75
76 // Increase the event number:
77 eventNumber++;
78
79 if (verboseLevel > 1) {
80 G4cout << " >>> G4InclCascadeInterface::ApplyYourself called" << G4endl;
81 }
82
83 if(verboseLevel > 1) {
84 G4cout <<"G4InclCascadeInterface: Now processing INCL4 event number:" << eventNumber << G4endl;
85 }
86
87 // INCL4 needs the energy in units MeV
88 G4double bulletE = aTrack.GetKineticEnergy() * MeV;
89
90#ifdef DEBUGINCL
91 G4cout <<"Bullet energy = " << bulletE / MeV << G4endl;
92#endif
93
94 G4double targetA = theNucleus.GetN();
95 G4double targetZ = theNucleus.GetZ();
96
97 G4double eKin;
98 G4double momx = 0.0, momy = 0.0, momz = 0.0;
99 G4DynamicParticle *cascadeParticle = 0;
100 G4ParticleDefinition *aParticleDefinition = 0;
101
102 // INCL assumes the projectile particle is going in the direction of
103 // the Z-axis. Here we construct proper rotation to convert the
104 // momentum vectors of the outcoming particles to the original
105 // coordinate system.
106 G4LorentzVector projectileMomentum = aTrack.Get4Momentum();
107 G4LorentzRotation toZ;
108 toZ.rotateZ(-projectileMomentum.phi());
109 toZ.rotateY(-projectileMomentum.theta());
110 G4LorentzRotation toLabFrame = toZ.inverse();
111
112 theResult.Clear(); // Make sure the output data structure is clean.
113
114 // Map Geant4 particle types to corresponding INCL4 types.
115 enum bulletParticleType {nucleus = 0, proton = 1, neutron = 2, pionPlus = 3, pionZero = 4,
116 pionMinus = 5, deuteron = 6, triton = 7, he3 = 8, he4 = 9};
117
118 // Coding particles for use with INCL4 and ABLA
119 if (aTrack.GetDefinition() == G4Proton::Proton() ) bulletType = proton;
120 if (aTrack.GetDefinition() == G4Neutron::Neutron() ) bulletType = neutron;
121 if (aTrack.GetDefinition() == G4PionPlus::PionPlus() ) bulletType = pionPlus;
122 if (aTrack.GetDefinition() == G4PionMinus::PionMinus() ) bulletType = pionMinus;
123 if (aTrack.GetDefinition() == G4PionZero::PionZero() ) bulletType = pionZero;
124
125#ifdef DEBUGINCL
126 G4int baryonBullet = 0, chargeBullet = 0;
127 if(bulletType == proton || bulletType == neutron) baryonBullet = 1;
128 if(bulletType == proton || bulletType == pionPlus) chargeBullet = 1;
129 if(bulletType == pionMinus) chargeBullet = -1;
130 G4int baryonNumber = int(std::floor(targetA)) + baryonBullet;
131 G4int chargeNumber = int(std::floor(targetZ)) + chargeBullet;
132 G4double mass = aTrack.GetDefinition()->GetPDGMass();
133 G4double amass = theNucleus.AtomicMass(targetA, targetZ);
134 G4double eKinSum = bulletE;
135 G4LorentzVector labv = G4LorentzVector(0.0, 0.0, std::sqrt(bulletE*(bulletE + 2.*mass)), bulletE + mass + amass);
136 G4cout <<"Energy in the beginning = " << labv.e() / MeV << G4endl;
137#endif
138
139 for(int i = 0; i < 15; i++) {
140 calincl->f[i] = 0.0; // Initialize INCL input data
141 }
142
143 // Check wheter the input is acceptable.
144 if((bulletType != 0) && ((targetA != 1) && (targetZ != 1))) {
145 calincl->f[0] = targetA; // Target mass number
146 calincl->f[1] = targetZ; // Charge number
147 calincl->f[6] = bulletType; // Type
148 calincl->f[2] = bulletE; // Energy [MeV]
149 calincl->f[5] = 1.0; // Time scaling
150 calincl->f[4] = 45.0; // Nuclear potential
151
152 ws->nosurf = -2; // Nucleus surface, -2 = Woods-Saxon
153 ws->xfoisa = 8;
154 ws->npaulstr = 0;
155
156 int nTries = 0;
157 varntp->ntrack = 0;
158
159 mat->nbmat = 1;
160 mat->amat[0] = int(calincl->f[0]);
161 mat->zmat[0] = int(calincl->f[1]);
162
163 incl->initIncl(true);
164
165 while((varntp->ntrack <= 0) && (nTries < maxTries)) { // Loop until we produce real cascade
166 nTries++;
167 if(verboseLevel > 1) {
168 G4cout <<"G4InclCascadeInterface: Try number = " << nTries << G4endl;
169 }
170 incl->processEventIncl();
171
172 if(verboseLevel > 1) {
173 G4cout <<"G4InclCascadeInterface: number of tracks = " << varntp->ntrack <<G4endl;
174 }
175 }
176
177 if(verboseLevel > 1) {
178 /**
179 * Diagnostic output
180 */
181 G4cout <<"G4InclCascadeInterface: Bullet type: " << bulletType << G4endl;
182 G4cout <<"G4Incl4AblaCascadeInterface: Bullet energy: " << bulletE << " MeV" << G4endl;
183
184 G4cout <<"G4InclCascadeInterface: Target A: " << targetA << G4endl;
185 G4cout <<"G4InclCascadeInterface: Target Z: " << targetZ << G4endl;
186
187 if(verboseLevel > 3) {
188 diagdata <<"G4InclCascadeInterface: Bullet type: " << bulletType << G4endl;
189 diagdata <<"G4InclCascadeInterface: Bullet energy: " << bulletE << " MeV" << G4endl;
190
191 diagdata <<"G4InclCascadeInterface: Target A: " << targetA << G4endl;
192 diagdata <<"G4InclCascadeInterface: Target Z: " << targetZ << G4endl;
193 }
194
195 for(particleI = 0; particleI < varntp->ntrack; particleI++) {
196 G4cout << n << " " << calincl->f[6] << " " << calincl->f[2] << " ";
197 G4cout << varntp->massini << " " << varntp->mzini << " ";
198 G4cout << varntp->exini << " " << varntp->mulncasc << " " << varntp->mulnevap << " " << varntp->mulntot << " ";
199 G4cout << varntp->bimpact << " " << varntp->jremn << " " << varntp->kfis << " " << varntp->estfis << " ";
200 G4cout << varntp->izfis << " " << varntp->iafis << " " << varntp->ntrack << " " << varntp->itypcasc[particleI] << " ";
201 G4cout << varntp->avv[particleI] << " " << varntp->zvv[particleI] << " " << varntp->enerj[particleI] << " ";
202 G4cout << varntp->plab[particleI] << " " << varntp->tetlab[particleI] << " " << varntp->philab[particleI] << G4endl;
203 // For diagnostic output
204 if(verboseLevel > 3) {
205 diagdata << n << " " << calincl->f[6] << " " << calincl->f[2] << " ";
206 diagdata << varntp->massini << " " << varntp->mzini << " ";
207 diagdata << varntp->exini << " " << varntp->mulncasc << " " << varntp->mulnevap << " " << varntp->mulntot << " ";
208 diagdata << varntp->bimpact << " " << varntp->jremn << " " << varntp->kfis << " " << varntp->estfis << " ";
209 diagdata << varntp->izfis << " " << varntp->iafis << " " << varntp->ntrack << " ";
210 diagdata << varntp->itypcasc[particleI] << " ";
211 diagdata << varntp->avv[particleI] << " " << varntp->zvv[particleI] << " " << varntp->enerj[particleI] << " ";
212 diagdata << varntp->plab[particleI] << " " << varntp->tetlab[particleI] << " " << varntp->philab[particleI] << G4endl;
213 }
214 }
215 }
216
217 // Check whether a valid cascade was produced.
218 // If not return the original bullet particle with the same momentum.
219 if(varntp->ntrack <= 0) {
220 if(verboseLevel > 1) {
221 G4cout <<"WARNING G4InclCascadeInterface: No cascade. Returning original particle with original momentum." << G4endl;
222 G4cout <<"\t Reached maximum trials of 200 to produce inelastic scattering." << G4endl;
223 }
224
225 theResult.SetStatusChange(stopAndKill);
226
227 if(bulletType == proton) {
228 aParticleDefinition = G4Proton::ProtonDefinition();
229 }
230 if(bulletType == neutron) {
231 aParticleDefinition = G4Neutron::NeutronDefinition();
232 }
233 if(bulletType == pionPlus) {
234 aParticleDefinition = G4PionPlus::PionPlusDefinition();
235 }
236 if(bulletType == pionZero) {
237 aParticleDefinition = G4PionZero::PionZeroDefinition();
238 }
239 if(bulletType == pionMinus) {
240 aParticleDefinition = G4PionMinus::PionMinusDefinition();
241 }
242
243 cascadeParticle = new G4DynamicParticle();
244 cascadeParticle->SetDefinition(aParticleDefinition);
245 cascadeParticle->Set4Momentum(aTrack.Get4Momentum());
246 theResult.AddSecondary(cascadeParticle);
247 }
248
249 // Convert INCL4 output to Geant4 compatible data structures.
250 // Elementary particles are converted to G4DynamicParticle.
251 theResult.SetStatusChange(stopAndKill);
252
253#ifdef DEBUGINCL
254 G4cout << "E [MeV]" << std::setw(12) << " Ekin [MeV]" << std::setw(12) << " E* [MeV]" << std::setw(12) << "Px [MeV]" << std::setw(12) << " Py [MeV]" << std::setw(12) << "Pz [MeV]" << std::setw(12) << "Pt [MeV]" << std::setw(12) << "A" << std::setw(12) << "Z" << G4endl;
255#endif
256
257 for(particleI = 0; particleI < varntp->ntrack; particleI++) { // Loop through the INCL4+ABLA output.
258 // Get energy/momentum and construct momentum vector in INCL4 coordinates.
259 momx = varntp->plab[particleI]*std::sin(varntp->tetlab[particleI]*CLHEP::pi/180.0)*std::cos(varntp->philab[particleI]*CLHEP::pi/180.0)*MeV;
260 momy = varntp->plab[particleI]*std::sin(varntp->tetlab[particleI]*CLHEP::pi/180.0)*std::sin(varntp->philab[particleI]*CLHEP::pi/180.0)*MeV;
261 momz = varntp->plab[particleI]*std::cos(varntp->tetlab[particleI]*CLHEP::pi/180.0)*MeV;
262
263 eKin = varntp->enerj[particleI] * MeV;
264
265 G4ThreeVector momDirection(momx, momy, momz); // Direction of the particle.
266 momDirection = momDirection.unit();
267 if(verboseLevel > 2) {
268 G4cout <<"G4InclCascadeInterface: " << G4endl;
269 G4cout <<"A = " << varntp->avv[particleI] << " Z = " << varntp->zvv[particleI] << G4endl;
270 G4cout <<"eKin = " << eKin << " MeV" << G4endl;
271 G4cout <<"px = " << momDirection.x() << " py = " << momDirection.y() <<" pz = " << momDirection.z() << G4endl;
272 }
273
274 G4int particleIdentified = 0; // Check particle ID.
275
276 if((varntp->avv[particleI] == 1) && (varntp->zvv[particleI] == 1)) { // Proton
277 cascadeParticle =
278 new G4DynamicParticle(G4Proton::ProtonDefinition(), momDirection, eKin);
279 particleIdentified++;
280#ifdef DEBUGINCL
281 baryonNumber--;
282 chargeNumber--;
283#endif
284 }
285
286 if((varntp->avv[particleI] == 1) && (varntp->zvv[particleI] == 0)) { // Neutron
287 cascadeParticle =
288 new G4DynamicParticle(G4Neutron::NeutronDefinition(), momDirection, eKin);
289 particleIdentified++;
290#ifdef DEBUGINCL
291 baryonNumber--;
292#endif
293 }
294
295 if((varntp->avv[particleI] == -1) && (varntp->zvv[particleI] == 1)) { // PionPlus
296 cascadeParticle =
297 new G4DynamicParticle(G4PionPlus::PionPlusDefinition(), momDirection, eKin);
298 particleIdentified++;
299#ifdef DEBUGINCL
300 chargeNumber--;
301#endif
302 }
303
304 if((varntp->avv[particleI] == -1) && (varntp->zvv[particleI] == 0)) { // PionZero
305 cascadeParticle =
306 new G4DynamicParticle(G4PionZero::PionZeroDefinition(), momDirection, eKin);
307 particleIdentified++;
308 }
309
310 if((varntp->avv[particleI] == -1) && (varntp->zvv[particleI] == -1)) { // PionMinus
311 cascadeParticle =
312 new G4DynamicParticle(G4PionMinus::PionMinusDefinition(), momDirection, eKin);
313 particleIdentified++;
314#ifdef DEBUGINCL
315 chargeNumber++;
316#endif
317 }
318
319 if((varntp->avv[particleI] > 1) && (varntp->zvv[particleI] >= 1)) { // Nucleus fragment
320 G4ParticleDefinition * aIonDef = 0;
321 G4ParticleTable *theTableOfParticles = G4ParticleTable::GetParticleTable();
322
323 G4int A = G4int(varntp->avv[particleI]);
324 G4int Z = G4int(varntp->zvv[particleI]);
325 G4double excitationE = G4double(varntp->exini) * MeV;
326
327 if(verboseLevel > 1) {
328 G4cout <<"Finding ion: A = " << A << " Z = " << Z << " E* = " << excitationE/MeV << G4endl;
329 }
330 aIonDef = theTableOfParticles->GetIon(Z, A, excitationE);
331
332 if(aIonDef == 0) {
333 if(verboseLevel > 1) {
334 G4cout <<"G4InclCascadeInterface: " << G4endl;
335 G4cout <<"FATAL ERROR: aIonDef = 0" << G4endl;
336 G4cout <<"A = " << A << " Z = " << Z << " E* = " << excitationE << G4endl;
337 }
338 }
339
340 if(aIonDef != 0) { // If the ion was identified add it to output.
341 cascadeParticle =
342 new G4DynamicParticle(aIonDef, momDirection, eKin);
343 particleIdentified++;
344#ifdef DEBUGINCL
345 baryonNumber = baryonNumber - A;
346 chargeNumber = chargeNumber - Z;
347#endif
348 }
349 }
350
351 if(particleIdentified == 1) { // Particle identified properly.
352 cascadeParticle->Set4Momentum(cascadeParticle->Get4Momentum()*=toLabFrame);
353#ifdef DEBUGINCL
354 G4ParticleDefinition *pd = cascadeParticle->GetDefinition();
355 G4LorentzVector fm = cascadeParticle->Get4Momentum();
356 G4ThreeVector mom = cascadeParticle->GetMomentum();
357 G4double m = pd->GetPDGMass();
358 G4double p = mom.mag();
359 labv -= fm;
360 G4double px = mom.x() * MeV;
361 G4double py = mom.y() * MeV;
362 G4double pz = mom.z() * MeV;
363 G4double pt = std::sqrt(px*px+py*py);
364 G4double e = fm.e();
365 eKinSum -= cascadeParticle->GetKineticEnergy() * MeV;
366 G4double exE;
367 if(varntp->avv[particleI] > 1) {
368 exE = varntp->exini;
369 }
370 else {
371 exE = 0.0;
372 }
373 G4cout << fm.e() / MeV
374 << std::setw(12) << cascadeParticle->GetKineticEnergy() / MeV
375 << std::setw(12) << exE / MeV
376 << std::setw(12) << mom.x() / MeV
377 << std::setw(12) << mom.y() / MeV
378 << std::setw(12) << mom.z() / MeV
379 << std::setw(12) << pt / MeV
380 << std::setw(12) << varntp->avv[particleI]
381 << std::setw(12) << varntp->zvv[particleI] << G4endl;
382#endif
383 theResult.AddSecondary(cascadeParticle); // Put data into G4HadFinalState.
384 }
385 else { // Particle identification failed.
386 if(particleIdentified > 1) { // Particle was identified as more than one particle type.
387 if(verboseLevel > 1) {
388 G4cout <<"G4InclCascadeInterface: One outcoming particle was identified as";
389 G4cout <<"more than one particle type. This is probably due to a bug in the interface." << G4endl;
390 G4cout <<"Particle A:" << varntp->avv[particleI] << "Z: " << varntp->zvv[particleI] << G4endl;
391 G4cout << "(particleIdentified =" << particleIdentified << ")" << G4endl;
392 }
393 }
394 }
395 }
396#ifdef DEBUGINCL
397 G4cout <<"--------------------------------------------------------------------------------" << G4endl;
398 G4double pt = std::sqrt(std::pow(labv.x(), 2) + std::pow(labv.y(), 2));
399 G4cout << labv.e() / MeV << std::setw(12) << eKinSum / MeV << std::setw(12) << labv.x() << std::setw(12) << labv.y() << std::setw(12) << labv.z() << std::setw(12) << pt / MeV << std::setw(12) << baryonNumber << std::setw(12) << chargeNumber << " totals" << G4endl;
400 G4cout << G4endl;
401
402 if(verboseLevel > 3) {
403 if(baryonNumber != 0) {
404 G4cout <<"WARNING G4InclCascadeInterface: Baryon number conservation violated." << G4endl;
405 G4cout <<"Baryon number balance after the event: " << baryonNumber << G4endl;
406 if(baryonNumber < 0) {
407 G4cout <<"Too many baryons produced." << G4endl;
408 } else {
409 G4cout <<"Too few baryons produced." << G4endl;
410 }
411 }
412 }
413#endif
414
415 varntp->ntrack = 0; // Clean up the number of generated particles in the event.
416 }
417 /**
418 * Report unsupported features.
419 * (Check bullet, target, energy range)
420 */
421 else { // If the bullet type was not recognized by the interface, it will be returned back without any interaction.
422 theResult.SetStatusChange(stopAndKill);
423
424 G4ParticleTable *theTableOfParticles = G4ParticleTable::GetParticleTable();
425 cascadeParticle = new G4DynamicParticle(theTableOfParticles->FindParticle(aTrack.GetDefinition()), aTrack.Get4Momentum());
426
427 theResult.AddSecondary(cascadeParticle);
428
429 if(verboseLevel > 1) {
430 G4cout <<"ERROR G4InclCascadeInterface: Processing event number (internal) failed " << eventNumber << G4endl;
431 }
432 if(verboseLevel > 3) {
433 diagdata <<"ERROR G4InclCascadeInterface: Processing event number (internal) failed " << eventNumber << G4endl;
434 }
435
436 if(bulletType == 0) {
437 if(verboseLevel > 1) {
438 G4cout <<"G4InclCascadeInterface: Unknown bullet type" << G4endl;
439 G4cout <<"Bullet particle name: " << cascadeParticle->GetDefinition()->GetParticleName() << G4endl;
440 }
441 if(verboseLevel > 3) {
442 diagdata <<"G4InclCascadeInterface: Unknown bullet type" << G4endl;
443 diagdata <<"Bullet particle name: " << cascadeParticle->GetDefinition()->GetParticleName() << G4endl;
444 }
445 }
446
447 if((targetA == 1) && (targetZ == 1)) { // Unsupported target
448 if(verboseLevel > 1) {
449 G4cout <<"Unsupported target: " << G4endl;
450 G4cout <<"Target A: " << targetA << G4endl;
451 G4cout <<"TargetZ: " << targetZ << G4endl;
452 }
453 if(verboseLevel > 3) {
454 diagdata <<"Unsupported target: " << G4endl;
455 diagdata <<"Target A: " << targetA << G4endl;
456 diagdata <<"TargetZ: " << targetZ << G4endl;
457 }
458 }
459
460 if(bulletE < 100) { // INCL does not support E < 100 MeV.
461 if(verboseLevel > 1) {
462 G4cout <<"Unsupported bullet energy: " << bulletE << " MeV. (Lower limit is 100 MeV)." << G4endl;
463 G4cout <<"WARNING: Returning the original bullet with original energy back to Geant4." << G4endl;
464 }
465 if(verboseLevel > 3) {
466 diagdata <<"Unsupported bullet energy: " << bulletE << " MeV. (Lower limit is 100 MeV)." << G4endl;
467 }
468 }
469
470 if(verboseLevel > 3) {
471 diagdata <<"WARNING: returning the original bullet with original energy back to Geant4." << G4endl;
472 }
473 }
474
475 return &theResult;
476}
477
478G4ReactionProductVector* G4InclCascadeInterface::Propagate(G4KineticTrackVector* , G4V3DNucleus* ) {
479 return 0;
480}
481
482
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