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26 // %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
27 //
28 // MODULE: G4HIJING_Model.hh
29 //
30 // Version: 1.B
31 // Date: 10/09/2013
32 // Authors: Khaled Abdel-Waged
33 // Institute: Umm Al-Qura University
34 // Country: Saudi Arabia
35 // %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
36 //
37 #include "G4HIJING_Model.hh"
38 #ifdef G4_USE_HIJING
39 # include "G4HIJING_Interface.hh"
40 //-------------------------------
41 # include "G4CollisionOutput.hh"
42 # include "G4DynamicParticle.hh"
43 # include "G4IonTable.hh"
44 # include "G4LorentzRotation.hh"
45 # include "G4Nucleus.hh"
46 # include "G4ParticleDefinition.hh"
47 # include "G4ParticleTable.hh"
48 # include "G4Track.hh"
49 # include "G4V3DNucleus.hh"
50 # include "globals.hh"
51
52 // AND->
53 # include "G4Version.hh"
54 // AND<-
55 //----------------new_anti
56 # include "G4AntiAlpha.hh"
57 # include "G4AntiDeuteron.hh"
58 # include "G4AntiHe3.hh"
59 # include "G4AntiTriton.hh"
60 //---------------------------
61 # include "HistoManager.hh" //newkhaled
62
63 # include "G4SystemOfUnits.hh"
64
65 # include <fstream>
66 # include <string>
67 //////////////////////////////////////////////
68
69 //
70 //....oooOO0OOooo........oooOO0OOooo........oo
71 G4HIJING_Model::G4HIJING_Model(const G4String&
72 {
73 if (verbose > 3) {
74 G4cout << " >>> G4HIJING_Model default con
75 }
76
77 # ifdef G4ANALYSIS_USE
78 fHistoManager = HistoManager::GetPointer();
79 # endif
80
81 //
82 // Set the minimum and maximum range for the
83
84 SetMinEnergy(4.0 * GeV);
85 // SetMaxEnergy(2000.0*TeV);
86
87 //
88
89 //
90 WelcomeMessage();
91 //
92 CurrentEvent = 0;
93
94 //
95
96 InitialiseDataTables();
97
98 //
99 }
100 //////////////////////////////////////////////
101 //
102 // Destructor
103 //
104 //....oooOO0OOooo........oooOO0OOooo........oo
105 G4HIJING_Model::~G4HIJING_Model() {}
106 //////////////////////////////////////////////
107
108 G4ReactionProductVector* G4HIJING_Model::Propa
109 {
110 return 0;
111 }
112
113 //////////////////////////////////////////////
114 //
115 // ApplyYourself
116 //
117 // Member function to process an event, and ge
118
119 //....oooOO0OOooo........oooOO0OOooo........oo
120 G4HadFinalState* G4HIJING_Model::ApplyYourself
121
122 {
123 G4cout << "HERE I AM" << G4endl;
124 // anti_new
125 // ------------------define anti_light_nuc
126 const G4ParticleDefinition* anti_deu = G4Ant
127
128 const G4ParticleDefinition* anti_he3 = G4Ant
129
130 const G4ParticleDefinition* anti_tri = G4Ant
131
132 const G4ParticleDefinition* anti_alp = G4Ant
133
134 //------------------------------------------
135 //
136 // The secondaries will be returned in G4Had
137 // initialise this. The original track will
138 // secondaries followed.
139 //
140 theResult.Clear();
141 theResult.SetStatusChange(stopAndKill);
142
143 G4DynamicParticle* cascadeParticle = 0;
144 //
145 //
146 // Get relevant information about the projec
147 // momentum, etc).
148 //
149
150 const G4ParticleDefinition* definitionP = th
151 const G4double AP = definitionP->GetBaryonNu
152 const G4double ZP = definitionP->GetPDGCharg
153 G4int AT = theTarget.GetN_asInt();
154 G4int ZT = theTarget.GetZ_asInt();
155 // ----------------------------------------
156 G4int id = definitionP->GetPDGEncoding(); /
157
158 // G4cout<<"particle id=========
159 // -----------------------------------------
160 G4int AP1 = G4lrint(AP);
161 G4int ZP1 = G4lrint(ZP);
162 G4int AT1 = AT;
163 G4int ZT1 = ZT;
164
165 // *****************************************
166 // The following is the parameters necessary
167 // -----------------------------------------
168 // hiparnt_.ihpr2[3]=0; //swit
169 // hiparnt_.ihpr2[2]=1; //swit
170 // -----------------------------------------
171 // hiparnt_.ihnt2[0]=AP1; //Projecti
172 hiparnt_.ihnt2[1] = ZP1;
173 hiparnt_.ihnt2[2] = AT1; // Target
174 hiparnt_.ihnt2[3] = ZT1;
175 hiparnt_.ihnt2[5] = 0; // Special Target
176
177 if (AP1 > 1 || definitionP == anti_deu || de
178 || definitionP == anti_alp)
179
180 {
181 hiparnt_.ihnt2[0] = AP1;
182 hiparnt_.ihnt2[4] = 0; // Special Project
183 }
184 else if (id == 2212) { //! proton
185
186 hiparnt_.ihnt2[0] = 1;
187 hiparnt_.ihnt2[4] = 2212;
188 }
189 else if (id == -2212) { //! anti-proton
190
191 hiparnt_.ihnt2[0] = 1;
192 hiparnt_.ihnt2[4] = -2212;
193 }
194 else if (id == 2112) { //! neutron
195
196 hiparnt_.ihnt2[0] = 1;
197 hiparnt_.ihnt2[4] = 2112;
198 }
199 else if (id == -2112) { //! anti-neutron
200
201 hiparnt_.ihnt2[0] = 1;
202 hiparnt_.ihnt2[4] = -2112;
203 }
204 else if (id == 211) { //! pi+
205 hiparnt_.ihnt2[0] = 1; // needed by HIJIN
206 hiparnt_.ihnt2[4] = 211;
207 }
208 else if (id == -211) { //! pi-
209
210 hiparnt_.ihnt2[0] = 1; // needed by HIJIN
211 hiparnt_.ihnt2[4] = -211;
212 }
213 else if (id == 321) { //! K+
214
215 hiparnt_.ihnt2[0] = 1; // needed by HIJIN
216 hiparnt_.ihnt2[4] = 321;
217 }
218 else if (id == -321) { //! K-
219
220 hiparnt_.ihnt2[0] = 1; // needed by HIJIN
221 hiparnt_.ihnt2[4] = -321;
222 }
223 else {
224 G4cout << " Sorry, No definition for PROJE
225
226 // AND->
227 # if G4VERSION_NUMBER >= 950
228 // New signature (9.5) for G4Exception
229 // Using G4HadronicException
230 throw G4HadronicException(__FILE__, __LINE
231 # else
232 G4Exception(" ");
233 # endif
234 // AND<-
235 } // end if id
236
237 //------------------------------------------
238 // -------------identify mass -------------
239
240 G4int id_n = 2112;
241 G4int id_p = 2212;
242
243 hiparnt_.hint1[7] = std::max(ulmass_(&id_n),
244
245 hiparnt_.hint1[8] = hiparnt_.hint1[7];
246
247 if (hiparnt_.ihnt2[4] != 0) hiparnt_.hint1[7
248 // rest mass of the projectile HIJING
249
250 //------------------------------------------
251 // identify Energy
252 //
253
254 G4double m = hiparnt_.hint1[7]; // mass in
255
256 G4ThreeVector P3 = theTrack.Get4Momentum().v
257 // momentum in GeV
258
259 G4double Pbeam = P3.z();
260 // momentum in z-direction
261
262 G4double Ebeam = Eplab(m, Pbeam);
263 // calculate Energy of beam
264
265 // G4cout<<"mass= "<<m<<" P3= "<<P3<<endl;
266
267 //---------------------------Beam ----------
268
269 // Lab frame: beam moves in negative z-direc
270
271 G4LorentzVector lab = G4LorentzVector(0.0, 0
272
273 G4double TotalPbefore = -1.0 * lab.z();
274 // Calculate z-Momentum before collision
275 //
276 G4double TotalEbefore = lab.e();
277 // Calculate Energy before collision
278
279 // ---------------------------------------
280 // Turn to CM frame:
281 // ---------------------------------------
282
283 G4LorentzVector cms = G4LorentzVector(0.0, 0
284
285 // ----------------------Get relative speed
286 // -----------------------------------------
287 G4LorentzVector Psum = (lab + cms); // 4-Mo
288 G4double beta_rel = Psum.beta();
289
290 //---------------------Transform to equal fr
291 //------------------------------------------
292
293 Psum.boost(0.0, 0.0, -1.0 * beta_rel);
294
295 //-----------------Get equal speed velocity
296 G4double betann = Psum.beta();
297 // G4double gama= Psum.gamma();
298
299 // ----------Colliding CM Energy per nucleon
300 // -----------------------------------------
301
302 G4double Ecms = lab.mag(); // CM energy for
303 efrm = Ecms; // units are in GeV for HIJING
304
305 ///////////////////////// initialise////////
306
307 if (CurrentEvent == 0) {
308 G4cout << "\n initialise HIJING, wait-----
309
310 G4cout << "\n" << G4endl;
311
312 // hijset_ (&efrm,&AP1,&ZP1,&AT1,&ZT1);
313
314 hijset_(&efrm);
315
316 G4cout << "\n end initialize " << G4endl;
317
318 CurrentEvent = 1;
319 }
320 ////////////////////////////////////////////
321 //------------------------------------------
322 // identify impact parameter
323 bmin = 0.0;
324 // bmax=0.5;
325
326 bmax = hiparnt_.hipr1[33] + hiparnt_.hipr1[3
327
328 //------------------------------------------
329
330 do {
331 G4cout << "HIJING_Model running-----------
332
333 hijing_(&bmin, &bmax);
334
335 Nproduce = himain1_.natt; // no of produc
336
337 if (Nproduce < 2) {
338 G4cout << "===============Warning=======
339 G4cout << "-----------------------------
340 G4cout << "Number of produced particles
341 G4cout << "-----------------------------
342 G4cout << "=============================
343 }
344 } while (Nproduce < 2);
345 // =========================================
346
347 G4double BB = hiparnt_.hint1[18]; // impact
348 // cout<<"HIJING=====impact parameter= "
349
350 for (G4int i = 0; i < Nproduce; i++) {
351 G4int pid = himain2_.katt[0][i];
352
353 // Particle is a final state secondary and
354 // Determine what this secondary particle
355 // parameters.
356 //
357 // G4cout<<"pid================"<<pid<<G
358
359 G4ParticleDefinition* pd = G4ParticleTable
360 //////////////////////////////////////////
361 // exclude beam nucleons as produced part
362 // cout<<" himain2_.katt[1][i]== "<<hi
363 // if(himain2_.katt[1][i]==0 || himain2
364 // --------------------------------------
365 // --------------reject neutral parti
366 // G4int chg_HIJ=luchge_ (&pid);
367 // if (chg_HIJ==0) continue;
368
369 if (pd) {
370 // units are in MeV/c for G4
371
372 G4double px = himain2_.patt[0][i] * GeV;
373 G4double py = himain2_.patt[1][i] * GeV;
374 G4double pz = himain2_.patt[2][i] * GeV;
375 G4double et = himain2_.patt[3][i] * GeV;
376
377 // ------------------------------Use
378 G4LorentzVector lorenzCM = G4LorentzVect
379 // Move to the lab frame
380 lorenzCM.boost(0.0, 0.0, -1.0 * betann);
381 G4LorentzVector lorenzLab =
382 G4LorentzVector(lorenzCM.px(), lorenzC
383 //--------------------------------------
384 cascadeParticle = new G4DynamicParticle(
385
386 theResult.AddSecondary(cascadeParticle);
387
388 } // if pd
389
390 } // for
391
392 # ifdef G4ANALYSIS_USE // khaled new
393 fHistoManager->StoreSecondaries(BB, theResul
394 # endif
395 //} //if warning
396
397 //
398
399 //==========================================
400 if (verbose >= 3) {
401 //
402 G4double TotalEafter = 0.0;
403 G4ThreeVector TotalPafter;
404 G4double charge = 0.0;
405 G4int baryon = 0;
406 G4int nSecondaries = theResult.GetNumberOf
407
408 for (G4int j = 0; j < nSecondaries; j++) {
409 TotalEafter += theResult.GetSecondary(j)
410
411 TotalPafter += theResult.GetSecondary(j)
412
413 G4ParticleDefinition* pd = theResult.Get
414
415 charge += pd->GetPDGCharge();
416 baryon += pd->GetBaryonNumber();
417
418 } // for secondaries
419
420 G4cout << "-------------------------------
421 << "-------------------------------
422 G4cout << "Total energy before collision
423 << " GeV" << G4endl;
424 G4cout << "Total energy after collision
425 << TotalEafter / nSecondaries
426 // GeV
427 << " GeV" << G4endl;
428
429 G4cout << "-------------------------------
430
431 G4cout << "Total momentum before collision
432 << TotalPbefore
433 // GeV
434 << " GeV/c" << G4endl;
435 G4cout << "Total momentum after collision
436 << TotalPafter.z() / nSecondaries
437 // GeV
438 << " GeV/c" << G4endl;
439 G4cout << "-------------------------------
440
441 if (verbose >= 4) {
442 G4cout << "Total charge before collision
443 << G4endl;
444 G4cout << "Total charge after collision
445
446 G4cout << "-----------------------------
447
448 G4cout << "Total baryon number before co
449 G4cout << "Total baryon number after col
450 G4cout << "-----------------------------
451
452 } // if verbose4
453
454 G4cout << "-------------------------------
455 << "-------------------------------
456
457 } // if verbose3
458
459 return &theResult;
460 } // G4hadfinal
461
462 //--------------------------------------------
463
464 //--------------------------------------------
465 //
466 // WelcomeMessage
467 //
468 //....oooOO0OOooo........oooOO0OOooo........oo
469 void G4HIJING_Model::WelcomeMessage() const
470 {
471 G4cout << G4endl;
472 G4cout << " ********************************
473 G4cout << " Interface to G4HIJING_Mod
474 G4cout << " Version number : 01.00.0B
475 G4cout << " Interface written by Khaled
476 G4cout << " Umm Al-Qur
477 G4cout << " SAUDI AR
478 G4cout << G4endl;
479 G4cout << " ********************************
480 G4cout << G4endl;
481 return;
482 }
483
484 //....oooOO0OOooo........oooOO0OOooo........oo
485 void G4HIJING_Model::InitialiseDataTables()
486 {
487 //
488 //
489 // The next line is to make sure the block d
490 // executed.
491 //
492
493 g4hijingblockdata_();
494 }
495
496 G4double G4HIJING_Model::Eplab(G4double m, G4d
497 {
498 G4double Eb = std::sqrt(P * P + m * m);
499 return Eb;
500 }
501 #endif
502