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31 //
32 /// \file hadronic/Hadr02/src/G4UrQMD1_3Model.cc
33 /// \brief Implementation of the G4UrQMD1_3Model class
34 //
35 //
36 ///////////////////////////////////////////////////////////////////////////////
37 // %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
38 //
39 // MODULE: G4UrQMD1_3Model.hh
40 //
41 // Version: 0.B
42 // Date: 25/01/12
43 // Authors: Kh. Abdel-Waged and Nuha Felemban
44 // Revised by: V.V. Uzhinskii
45 // SPONSERED BY
46 // Customer: KAUST/NCMP
47 // Contract: 31-465
48 //
49 // %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
50 //
51 #ifdef G4_USE_URQMD
52
53 # include "G4UrQMD1_3Model.hh"
54
55 # include "G4UrQMD1_3Interface.hh"
56 //-------------------------------
57 # include "G4CollisionOutput.hh"
58 # include "G4DynamicParticle.hh"
59 # include "G4IonTable.hh"
60 # include "G4LorentzRotation.hh"
61 # include "G4Nucleus.hh"
62 # include "G4ParticleDefinition.hh"
63 # include "G4ParticleTable.hh"
64 # include "G4PhysicalConstants.hh"
65 # include "G4SystemOfUnits.hh"
66 # include "G4Track.hh"
67 # include "G4V3DNucleus.hh"
68 # include "globals.hh"
69
70 // AND->
71 # include "G4Version.hh"
72 // AND<-
73 //----------------new_anti
74 # include "G4AntiAlpha.hh"
75 # include "G4AntiDeuteron.hh"
76 # include "G4AntiHe3.hh"
77 # include "G4AntiTriton.hh"
78 //---------------------------
79 # include <fstream>
80 # include <string>
81
82 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
83 //
84 G4UrQMD1_3Model::G4UrQMD1_3Model(const G4String& nam)
85 : G4VIntraNuclearTransportModel(nam), verbose(0)
86 {
87 if (verbose > 3) {
88 G4cout << " >>> G4UrQMD1_3Model default constructor" << G4endl;
89 }
90
91 //
92 // Set the minimum and maximum range for the UrQMD model
93
94 // SetMinEnergy(100.0*MeV);
95 // SetMaxEnergy(200.0*GeV);
96
97 //
98
99 //
100 WelcomeMessage();
101 //
102 CurrentEvent = 0;
103 //
104
105 InitialiseDataTables();
106
107 //
108 }
109
110 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
111 // Destructor
112 //
113 G4UrQMD1_3Model::~G4UrQMD1_3Model() {}
114
115 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
116
117 G4ReactionProductVector* G4UrQMD1_3Model::Propagate(G4KineticTrackVector*, G4V3DNucleus*)
118 {
119 return 0;
120 }
121
122 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
123 //
124 // ApplyYourself
125 //
126 // Member function to process an event, and get information about the products.
127
128 G4HadFinalState* G4UrQMD1_3Model::ApplyYourself(const G4HadProjectile& theTrack,
129 G4Nucleus& theTarget)
130 {
131 // anti_new
132 // ------------------define anti_light_nucleus
133 const G4ParticleDefinition* anti_deu = G4AntiDeuteron::AntiDeuteron();
134
135 const G4ParticleDefinition* anti_he3 = G4AntiHe3::AntiHe3();
136
137 const G4ParticleDefinition* anti_tri = G4AntiTriton::AntiTriton();
138
139 const G4ParticleDefinition* anti_alp = G4AntiAlpha::AntiAlpha();
140 //---------------------------------------------------
141 //
142 // The secondaries will be returned in G4HadFinalState &theResult -
143 // initialise this. The original track will always be discontinued and
144 // secondaries followed.
145 //
146 theResult.Clear();
147 theResult.SetStatusChange(stopAndKill);
148
149 G4DynamicParticle* cascadeParticle = 0;
150 //
151 //
152 // Get relevant information about the projectile and target (A, Z, energy/nuc,
153 // momentum, etc).
154 //
155
156 const G4ParticleDefinition* definitionP = theTrack.GetDefinition();
157 const G4double AP = definitionP->GetBaryonNumber();
158 const G4double ZP = definitionP->GetPDGCharge();
159 G4double AT = theTarget.GetN();
160 G4double ZT = theTarget.GetZ();
161 // -----------------------------------------------
162 G4int id = definitionP->GetPDGEncoding(); // get particle encoding
163 // ------------------------------------------------
164 G4int AP1 = G4lrint(AP);
165 G4int ZP1 = G4lrint(ZP);
166 G4int AT1 = G4lrint(AT);
167 G4int ZT1 = G4lrint(ZT);
168 // G4cout<<"------ap1--=="<<AP1<<"---zp1---=="<<ZP1<<"---id-=="<<id<< G4endl;
169 //
170 // ****************************************************************************
171 // The following is the parameters necessary to initiate Uinit() and UrQMD()
172 // ----------------------------------------------------------------------------
173 urqmdparams_.u_sptar = 0; //! 0= normal proj/target, 1=special proj/tar
174 urqmdparams_.u_spproj = 1; // projectile is a special particle
175
176 // new_anti
177
178 if (AP1 > 1 || definitionP == anti_deu || definitionP == anti_he3 || definitionP == anti_tri
179 || definitionP == anti_alp)
180 {
181 urqmdparams_.u_ap = AP1;
182 urqmdparams_.u_zp = ZP1;
183
184 urqmdparams_.u_spproj = 0;
185 }
186 else if (id == 2212) { //! proton
187 urqmdparams_.u_ap = 1;
188 urqmdparams_.u_zp = 1;
189 }
190 else if (id == -2212) { //! anti-proton
191 urqmdparams_.u_ap = -1;
192 urqmdparams_.u_zp = -1;
193 }
194 else if (id == 2112) { //! neutron
195 urqmdparams_.u_ap = 1;
196 urqmdparams_.u_zp = -1;
197 }
198 else if (id == -2112) { //! anti-neutron
199 urqmdparams_.u_ap = -1;
200 urqmdparams_.u_zp = 1;
201 }
202 else if (id == 211) { //! pi+
203 urqmdparams_.u_ap = 101;
204 urqmdparams_.u_zp = 2;
205 }
206 else if (id == -211) { //! pi-
207 urqmdparams_.u_ap = 101;
208 urqmdparams_.u_zp = -2;
209 }
210 else if (id == 321) { //! K+
211 urqmdparams_.u_ap = 106;
212 urqmdparams_.u_zp = 1;
213 }
214 else if (id == -321) { //! K-
215 urqmdparams_.u_ap = -106;
216 urqmdparams_.u_zp = -1;
217 }
218 else if (id == 130 || id == 310) { // ! K0
219 urqmdparams_.u_ap = 106;
220 urqmdparams_.u_zp = -1;
221 }
222 else if (id == -130 || id == -310) { // ! K0bar
223 urqmdparams_.u_ap = -106;
224 urqmdparams_.u_zp = 1;
225 }
226 else {
227 G4cout << " Sorry, No definition for particle for UrQMD::" << id << "found" << G4endl;
228
229 // AND->
230 # if G4VERSION_NUMBER >= 950
231 // New signature (9.5) for G4Exception
232 // Using G4HadronicException
233 throw G4HadronicException(__FILE__, __LINE__, "Sorry, no definition for particle for UrQMD");
234 # else
235 G4Exception(" ");
236 # endif
237 // AND<-
238 } // end if id
239 //-------------------------------------------------------
240
241 urqmdparams_.u_at = AT1; // Target identified
242 urqmdparams_.u_zt = ZT1;
243 //----------------------------------------------------
244 // identify Energy
245 //
246 G4ThreeVector Pbefore = theTrack.Get4Momentum().vect();
247 G4double T = theTrack.GetKineticEnergy();
248 G4double E = theTrack.GetTotalEnergy();
249 G4double TotalEbefore = E * AP1 + theTarget.AtomicMass(AT1, ZT1) + theTarget.GetEnergyDeposit();
250 // -----------------------------------------------------------------
251
252 if (AP1 > 1) {
253 urqmdparams_.u_elab = T / (AP1 * GeV); // Units are GeV/nuc for UrQMD
254
255 E = E / AP1; // Units are GeV/nuc
256 }
257 else {
258 urqmdparams_.u_elab = T / GeV; // units are GeV
259
260 TotalEbefore = E + theTarget.AtomicMass(AT1, ZT1) + theTarget.GetEnergyDeposit();
261 }
262
263 //------------------------------------------------------------
264 // identify impact parameter
265 urqmdparams_.u_imp = -(1.1 * std::pow(G4double(AT1), (1. / 3.)));
266 // units are in fm for UrQMD;
267 //------------------------------------------------------------
268 ///////////////////////// initialise/////////////////////
269
270 if (CurrentEvent == 0) {
271 G4cout << "\n creation of table, wait-------" << G4endl;
272
273 G4cout << "\n" << G4endl;
274
275 G4int io = 0;
276
277 uinit_(&io);
278
279 G4cout << "\n end to create table " << G4endl;
280
281 CurrentEvent = 1;
282 }
283 ////////////////////////////////////////////////////////
284
285 // #ifdef debug_G4UrQMD1_3Model
286
287 G4cout << "UrQMDModel running-------------" << G4endl;
288
289 urqmd_();
290
291 // #endif
292
293 // G4cout <<"Number of produced particles: " <<sys_.npart<<G4endl;
294
295 G4int n = sys_.npart; // no of produced particles
296 if (n < 2) {
297 G4cout << "===============Warning================" << G4endl;
298 G4cout << "======================================" << G4endl;
299
300 G4cout << "Number of produced particles is very low: " << sys_.npart << G4endl;
301 G4cout << "============================================" << G4endl;
302
303 // AND->
304 # if G4VERSION_NUMBER >= 950
305 // New signature (9.5) for G4Exception
306 // Using G4HadronicException instead of base class
307 throw G4HadronicException(__FILE__, __LINE__, "Number of produced particle is very low");
308 # else
309 G4Exception(" "); // stop
310 # endif
311 // AND<-
312 }
313 else {
314 for (G4int i = 0; i < n; i++) {
315 G4int pid = pdgid_(&isys_.ityp[i], &isys_.iso3[i]);
316
317 // Particle is a final state secondary and not a nucleus.
318 // Determine what this secondary particle is, and if valid, load dynamic
319 // parameters.
320 //
321
322 G4ParticleDefinition* pd = G4ParticleTable::GetParticleTable()->FindParticle(pid);
323
324 if (pd) {
325 G4double px = (coor_.px[i] + ffermi_.ffermpx[i]) * GeV;
326 // units are in MeV/c for G4
327 G4double py = (coor_.py[i] + ffermi_.ffermpy[i]) * GeV;
328 G4double pz = (coor_.pz[i] + ffermi_.ffermpz[i]) * GeV;
329
330 G4double et = (coor_.p0[i]) * GeV;
331
332 // ------------------------------Use only "Lorentz vector"----------
333
334 G4LorentzVector lorenzvec = G4LorentzVector(px, py, pz, et);
335
336 cascadeParticle = new G4DynamicParticle(pd, lorenzvec); //
337
338 theResult.AddSecondary(cascadeParticle);
339
340 //======================================================================
341
342 } // if
343 } // for
344
345 } // if warning
346
347 //=======================================================================
348 if (verbose >= 3) {
349 //
350 G4double TotalEafter = 0.0;
351 G4ThreeVector TotalPafter;
352 G4double charge = 0.0;
353 G4int baryon = 0;
354 G4int nSecondaries = theResult.GetNumberOfSecondaries();
355
356 for (G4int j = 0; j < nSecondaries; j++) {
357 TotalEafter += theResult.GetSecondary(j)->GetParticle()->GetTotalEnergy();
358
359 TotalPafter += theResult.GetSecondary(j)->GetParticle()->GetMomentum();
360
361 G4ParticleDefinition* pd = theResult.GetSecondary(j)->GetParticle()->GetDefinition();
362
363 charge += pd->GetPDGCharge();
364 baryon += pd->GetBaryonNumber();
365
366 } // for secondaries
367
368 G4cout << "----------------------------------------"
369 << "----------------------------------------" << G4endl;
370 G4cout << "Total energy before collision = " << TotalEbefore /// MeV
371 << " MeV" << G4endl;
372 G4cout << "Total energy after collision = " << TotalEafter // MeV
373 << " MeV" << G4endl;
374
375 G4cout << "----------------------------------------" << G4endl;
376
377 G4cout << "Total momentum before collision = " << Pbefore // MeV
378 << " MeV/c" << G4endl;
379 G4cout << "Total momentum after collision = " << TotalPafter // MeV
380 << " MeV/c" << G4endl;
381 G4cout << "----------------------------------------" << G4endl;
382
383 if (verbose >= 4) {
384 G4cout << "Total charge before collision = " << (ZP + ZT) * eplus << G4endl;
385 G4cout << "Total charge after collision = " << charge << G4endl;
386
387 G4cout << "----------------------------------------" << G4endl;
388
389 G4cout << "Total baryon number before collision = " << AP + AT << G4endl;
390 G4cout << "Total baryon number after collision = " << baryon << G4endl;
391 G4cout << "----------------------------------------" << G4endl;
392
393 } // if verbose4
394
395 G4cout << "----------------------------------------"
396 << "----------------------------------------" << G4endl;
397
398 } // if verbose3
399
400 return &theResult;
401 } // G4hadfinal
402
403 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
404 //
405 // WelcomeMessage
406 //
407 void G4UrQMD1_3Model::WelcomeMessage() const
408 {
409 G4cout << G4endl;
410 G4cout << " *****************************************************************" << G4endl;
411 G4cout << " Interface to G4UrQMD_1.3 activated" << G4endl;
412 G4cout << " Version number : 00.00.0B File date : 25/01/12" << G4endl;
413 G4cout << " (Interface written by Kh. Abdel-Waged et al. for the KACST/NCMP)" << G4endl;
414 G4cout << G4endl;
415 G4cout << " *****************************************************************" << G4endl;
416 G4cout << G4endl;
417
418 return;
419 }
420
421 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
422
423 void G4UrQMD1_3Model::InitialiseDataTables()
424 {
425 //
426 //
427 // The next line is to make sure the block data statements are
428 // executed.
429 //
430
431 g4urqmdblockdata_();
432
433 ///////////////////////////////////////////////////
434 /////// Dynamic seed //////////////////////////////
435 // G4int ranseed=-time_ ();
436 // Fixed seed ///////////////////////////
437
438 G4int ranseed = 1097569630;
439
440 G4cout << "\n seed: " << ranseed << G4endl;
441
442 sseed_(&ranseed);
443
444 loginit_();
445 }
446
447 #endif // G4_USE_URQMD
448