source: trunk/source/processes/hadronic/models/incl/src/G4InclLightIonInterface.cc @ 1340

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26// $Id: G4InclLightIonInterface.cc,v 1.12 2010/10/26 02:47:59 kaitanie 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#include "G4InclLightIonInterface.hh"
34#include "math.h"
35#include "G4GenericIon.hh"
36#include "CLHEP/Random/Random.h"
37
38G4InclLightIonInterface::G4InclLightIonInterface()
39{
40  hazard = new G4Hazard();
41  const G4long* table_entry = CLHEP::HepRandom::getTheSeeds(); // Get random seed from CLHEP.
42  hazard->ial = (*table_entry);
43
44  varntp = new G4VarNtp();
45  calincl = 0;
46  ws = new G4Ws();
47  mat = new G4Mat();
48  incl = new G4Incl(hazard, calincl, ws, mat, varntp);
49
50  verboseLevel = 0;
51}
52
53G4InclLightIonInterface::~G4InclLightIonInterface()
54{
55  delete hazard;
56  delete varntp;
57  delete calincl;
58  delete ws;
59  delete mat;
60  delete incl;
61}
62
63G4HadFinalState* G4InclLightIonInterface::ApplyYourself(const G4HadProjectile& aTrack, G4Nucleus& theNucleus)
64{
65  G4int maxTries = 200;
66
67  G4int bulletType = 0;
68  G4int particleI;
69
70  // Print diagnostic messages: 0 = silent, 1 and 2 = verbose
71  verboseLevel = 0;
72
73  // Increase the event number:
74  eventNumber++;
75
76  if (verboseLevel > 1) {
77    G4cout << " >>> G4InclLightIonInterface::ApplyYourself called" << G4endl;
78  }
79
80  if(verboseLevel > 1) {
81    G4cout <<"G4InclLightIonInterface: Now processing INCL4 event number:" << eventNumber << G4endl;
82  }
83
84  // INCL4 needs the energy in units MeV
85  G4double bulletE = aTrack.GetKineticEnergy() / MeV;
86
87  G4int targetA = theNucleus.GetA_asInt();
88  G4int targetZ = theNucleus.GetZ_asInt();
89
90  G4double eKin;
91  G4double momx = 0.0, momy = 0.0, momz = 0.0;
92  G4DynamicParticle *cascadeParticle = 0;
93  G4ParticleDefinition *aParticleDefinition = 0;
94
95  // INCL assumes the projectile particle is going in the direction of
96  // the Z-axis. Here we construct proper rotation to convert the
97  // momentum vectors of the outcoming particles to the original
98  // coordinate system.
99  G4LorentzVector projectileMomentum = aTrack.Get4Momentum();
100  G4LorentzRotation toZ;
101  toZ.rotateZ(-projectileMomentum.phi());
102  toZ.rotateY(-projectileMomentum.theta());
103  G4LorentzRotation toLabFrame = toZ.inverse();
104
105  theResult.Clear(); // Make sure the output data structure is clean.
106
107  // Map Geant4 particle types to corresponding INCL4 types.
108  enum bulletParticleType {nucleus = 0, proton = 1, neutron = 2, pionPlus = 3, pionZero = 4, 
109                           pionMinus = 5, deuteron = 6, triton = 7, he3 = 8, he4 = 9};
110
111  // Coding particles for use with INCL4 and ABLA
112  if (aTrack.GetDefinition() == G4Deuteron::Deuteron()   ) bulletType = deuteron;
113  if (aTrack.GetDefinition() == G4Triton::Triton()       ) bulletType = triton;
114  if (aTrack.GetDefinition() == G4He3::He3()             ) bulletType = he3;
115  if (aTrack.GetDefinition() == G4Alpha::Alpha()         ) bulletType = he4;
116
117  calincl = new G4InclInput();
118
119  // Check wheter the input is acceptable.
120  if((bulletType != 0) && ((targetA != 1) && (targetZ != 1))) {
121    ws->nosurf = -2;  // Nucleus surface, -2 = Woods-Saxon
122    ws->xfoisa = 8;
123    ws->npaulstr = 0;
124
125    int nTries = 0;
126    varntp->ntrack = 0;
127
128    mat->nbmat = 1;
129    mat->amat[0] = int(calincl->targetA());
130    mat->zmat[0] = int(calincl->targetZ());
131
132    incl->initIncl(true);
133
134    while((varntp->ntrack <= 0) && (nTries < maxTries)) { // Loop until we produce real cascade
135      nTries++;
136      if(verboseLevel > 1) {
137        G4cout <<"G4InclLightIonInterface: Try number = " << nTries << G4endl; 
138      }
139      incl->processEventIncl(calincl);
140
141      if(verboseLevel > 1) {
142        G4cout <<"G4InclLightIonInterface: number of tracks = " <<  varntp->ntrack <<G4endl;
143      }
144    }
145
146    if(verboseLevel > 1) {
147      /**
148       * Diagnostic output
149       */
150      G4cout <<"G4InclLightIonInterface: Bullet type: " << bulletType << G4endl;
151      G4cout <<"G4Incl4AblaCascadeInterface: Bullet energy: " << bulletE << " MeV" << G4endl;
152
153      G4cout <<"G4InclLightIonInterface: Target A:  " << targetA << G4endl;
154      G4cout <<"G4InclLightIonInterface: Target Z:  " << targetZ << G4endl;
155
156      if(verboseLevel > 3) {
157        diagdata <<"G4InclLightIonInterface: Bullet type: " << bulletType << G4endl;
158        diagdata <<"G4InclLightIonInterface: Bullet energy: " << bulletE << " MeV" << G4endl;
159       
160        diagdata <<"G4InclLightIonInterface: Target A:  " << targetA << G4endl;
161        diagdata <<"G4InclLightIonInterface: Target Z:  " << targetZ << G4endl;
162      }
163    }
164
165    // Check whether a valid cascade was produced.
166    // If not return the original bullet particle with the same momentum.
167    if(varntp->ntrack <= 0) {
168      if(verboseLevel > 1) {
169        G4cout <<"WARNING G4InclLightIonInterface: No cascade. Returning original particle with original momentum." << G4endl;
170        G4cout <<"\t Reached maximum trials of 200 to produce inelastic scattering." << G4endl;
171      }
172
173      theResult.SetStatusChange(stopAndKill);
174     
175      if(bulletType == proton) {
176        aParticleDefinition = G4Proton::ProtonDefinition();
177      }
178      if(bulletType == neutron) {
179        aParticleDefinition = G4Neutron::NeutronDefinition();
180      }
181      if(bulletType == pionPlus) {
182        aParticleDefinition = G4PionPlus::PionPlusDefinition();
183      }
184      if(bulletType == pionZero) {
185        aParticleDefinition = G4PionZero::PionZeroDefinition();
186      }
187      if(bulletType == pionMinus) {
188        aParticleDefinition = G4PionMinus::PionMinusDefinition();
189      }
190
191      cascadeParticle = new G4DynamicParticle();
192      cascadeParticle->SetDefinition(aParticleDefinition);
193      cascadeParticle->Set4Momentum(aTrack.Get4Momentum());
194      theResult.AddSecondary(cascadeParticle);
195    }
196
197    // Convert INCL4 output to Geant4 compatible data structures.
198    // Elementary particles are converted to G4DynamicParticle.
199    theResult.SetStatusChange(stopAndKill);
200   
201    for(particleI = 0; particleI < varntp->ntrack; particleI++) { // Loop through the INCL4+ABLA output.
202      // Get energy/momentum and construct momentum vector in INCL4 coordinates.
203      momx = varntp->plab[particleI]*std::sin(varntp->tetlab[particleI]*CLHEP::pi/180.0)*std::cos(varntp->philab[particleI]*CLHEP::pi/180.0)*MeV;
204      momy = varntp->plab[particleI]*std::sin(varntp->tetlab[particleI]*CLHEP::pi/180.0)*std::sin(varntp->philab[particleI]*CLHEP::pi/180.0)*MeV;
205      momz = varntp->plab[particleI]*std::cos(varntp->tetlab[particleI]*CLHEP::pi/180.0)*MeV;
206
207      eKin = varntp->enerj[particleI] * MeV;
208
209      G4ThreeVector momDirection(momx, momy, momz); // Direction of the particle.
210      momDirection = momDirection.unit();
211      if(verboseLevel > 2) {
212        G4cout <<"G4InclLightIonInterface: " << G4endl;
213        G4cout <<"A    = " << varntp->avv[particleI] << " Z = "  << varntp->zvv[particleI] << G4endl;
214        G4cout <<"eKin = " << eKin                   << " MeV"   << G4endl;
215        G4cout <<"px   = " << momDirection.x()       << " py = " << momDirection.y()       <<" pz = " << momDirection.z() << G4endl;
216      }
217
218      G4int particleIdentified = 0; // Check particle ID.
219
220      if((varntp->avv[particleI] == 1) && (varntp->zvv[particleI] == 1)) { // Proton
221        cascadeParticle = 
222          new G4DynamicParticle(G4Proton::ProtonDefinition(), momDirection, eKin);
223        particleIdentified++;
224      }
225
226      if((varntp->avv[particleI] == 1) && (varntp->zvv[particleI] == 0)) { // Neutron
227        cascadeParticle = 
228          new G4DynamicParticle(G4Neutron::NeutronDefinition(), momDirection, eKin);
229        particleIdentified++;
230      }
231
232      if((varntp->avv[particleI] == -1) && (varntp->zvv[particleI] == 1)) { // PionPlus
233        cascadeParticle = 
234          new G4DynamicParticle(G4PionPlus::PionPlusDefinition(), momDirection, eKin);
235        particleIdentified++;
236      }
237
238      if((varntp->avv[particleI] == -1) && (varntp->zvv[particleI] == 0)) { // PionZero
239        cascadeParticle = 
240          new G4DynamicParticle(G4PionZero::PionZeroDefinition(), momDirection, eKin);
241        particleIdentified++;
242      }
243
244      if((varntp->avv[particleI] == -1) && (varntp->zvv[particleI] == -1)) { // PionMinus
245        cascadeParticle = 
246          new G4DynamicParticle(G4PionMinus::PionMinusDefinition(), momDirection, eKin);
247        particleIdentified++;
248      }
249
250      if((varntp->avv[particleI] > 1) && (varntp->zvv[particleI] >= 1)) { // Nucleus fragment
251        G4ParticleDefinition * aIonDef = 0;
252        G4ParticleTable *theTableOfParticles = G4ParticleTable::GetParticleTable();
253
254        G4int A = G4int(varntp->avv[particleI]);
255        G4int Z = G4int(varntp->zvv[particleI]);
256        G4double excitationE = G4double(varntp->exini) * MeV;
257
258        if(verboseLevel > 1) {
259          G4cout <<"Finding ion: A = " << A << " Z = " << Z << " E* = " << excitationE/MeV << G4endl;
260        }
261        aIonDef = theTableOfParticles->GetIon(Z, A, excitationE);
262       
263        if(aIonDef == 0) {
264          if(verboseLevel > 1) {
265            G4cout <<"G4InclLightIonInterface: " << G4endl;
266            G4cout <<"FATAL ERROR: aIonDef = 0" << G4endl;
267            G4cout <<"A = " << A << " Z = " << Z << " E* = " << excitationE << G4endl;
268          }
269        }
270
271        if(aIonDef != 0) { // If the ion was identified add it to output.
272          cascadeParticle =
273            new G4DynamicParticle(aIonDef, momDirection, eKin);
274          particleIdentified++;
275        }
276      }
277       
278      if(particleIdentified == 1) { // Particle identified properly.
279        cascadeParticle->Set4Momentum(cascadeParticle->Get4Momentum()*=toLabFrame);
280        theResult.AddSecondary(cascadeParticle); // Put data into G4HadFinalState.
281      }
282      else { // Particle identification failed.
283        if(particleIdentified > 1) { // Particle was identified as more than one particle type.
284          if(verboseLevel > 1) {
285            G4cout <<"G4InclLightIonInterface: One outcoming particle was identified as";
286            G4cout <<"more than one particle type. This is probably due to a bug in the interface." << G4endl;
287            G4cout <<"Particle A:" << varntp->avv[particleI] << "Z: " << varntp->zvv[particleI] << G4endl;
288            G4cout << "(particleIdentified =" << particleIdentified << ")"  << G4endl;
289          }
290        }
291      }
292    }
293
294    varntp->ntrack = 0; // Clean up the number of generated particles in the event.
295  }
296  /**
297   * Report unsupported features.
298   * (Check bullet, target, energy range)
299   */
300  else { // If the bullet type was not recognized by the interface, it will be returned back without any interaction.
301    theResult.SetStatusChange(stopAndKill);
302
303    G4ParticleTable *theTableOfParticles = G4ParticleTable::GetParticleTable();
304    cascadeParticle = new G4DynamicParticle(theTableOfParticles->FindParticle(aTrack.GetDefinition()), aTrack.Get4Momentum());
305
306    theResult.AddSecondary(cascadeParticle);
307
308    if(verboseLevel > 1) {
309      G4cout <<"G4InclLightIonInterface: Error processing event number (internal) " << eventNumber << G4endl;
310    }
311    if(verboseLevel > 3) {
312      diagdata <<"G4InclLightIonInterface: Error processing event number (internal) " << eventNumber << G4endl;
313    }
314
315    if(bulletType == 0) {
316      if(verboseLevel > 1) {
317        G4cout <<"G4InclLightIonInterface: Unknown bullet type" << G4endl;     
318        G4cout <<"Bullet particle name: " << cascadeParticle->GetDefinition()->GetParticleName() << G4endl;
319      }     
320      if(verboseLevel > 3) {
321        diagdata <<"G4InclLightIonInterface: Unknown bullet type" << G4endl;     
322        diagdata <<"Bullet particle name: " << cascadeParticle->GetDefinition()->GetParticleName() << G4endl;
323      }
324    }
325
326    if((targetA == 1) && (targetZ == 1)) { // Unsupported target
327      if(verboseLevel > 1) {
328        G4cout <<"Unsupported target: " << G4endl;
329        G4cout <<"Target A: " << targetA << G4endl;
330        G4cout <<"TargetZ: " << targetZ << G4endl;
331      }
332      if(verboseLevel > 3) {
333        diagdata <<"Unsupported target: " << G4endl;
334        diagdata <<"Target A: " << targetA << G4endl;
335       diagdata <<"TargetZ: " << targetZ << G4endl;
336      }
337    }
338
339    if(bulletE < 100) { // INCL does not support E < 100 MeV.
340      if(verboseLevel > 1) {
341        G4cout <<"Unsupported bullet energy: " << bulletE << " MeV. (Lower limit is 100 MeV)." << G4endl;
342        G4cout <<"WARNING: Returning the original bullet with original energy back to Geant4." << G4endl;
343      }
344      if(verboseLevel > 3) {
345        diagdata <<"Unsupported bullet energy: " << bulletE << " MeV. (Lower limit is 100 MeV)." << G4endl;
346      }
347    }
348    if(verboseLevel > 3) {
349      diagdata <<"WARNING: returning the original bullet with original energy back to Geant4." << G4endl;
350    }
351  }
352
353  return &theResult;
354} 
355
356G4ReactionProductVector* G4InclLightIonInterface::Propagate(G4KineticTrackVector* , G4V3DNucleus* ) {
357  return 0;
358}
359
360
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