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Hijing: back to default quenching.
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1#if !defined(__CINT__) || defined(__MAKECINT__)
2#include <Riostream.h>
3#include <TRandom.h>
4#include <TSystem.h>
5#include <TVirtualMC.h>
6#include <TGeant3.h>
7#include "STEER/AliRunLoader.h"
8#include "STEER/AliRun.h"
9#include "STEER/AliConfig.h"
10#include "STEER/AliGenerator.h"
11#include "PYTHIA6/AliDecayerPythia.h"
12#include "EVGEN/AliGenHIJINGpara.h"
13#include "THijing/AliGenHijing.h"
14#include "EVGEN/AliGenCocktail.h"
15#include "EVGEN/AliGenSlowNucleons.h"
16#include "EVGEN/AliSlowNucleonModelExp.h"
17#include "EVGEN/AliGenParam.h"
18#include "EVGEN/AliGenGSIlib.h"
19#include "PYTHIA6/AliGenPythia.h"
20#include "STEER/AliMagFMaps.h"
21#include "STRUCT/AliBODY.h"
22#include "STRUCT/AliMAG.h"
23#include "STRUCT/AliABSOv0.h"
24#include "STRUCT/AliDIPOv2.h"
25#include "STRUCT/AliHALL.h"
26#include "STRUCT/AliFRAMEv2.h"
27#include "STRUCT/AliSHILv2.h"
28#include "STRUCT/AliPIPEv0.h"
29#include "ITS/AliITSvPPRasymmFMD.h"
30#include "TPC/AliTPCv2.h"
31#include "TOF/AliTOFv4T0.h"
32#include "RICH/AliRICHv1.h"
33#include "ZDC/AliZDCv2.h"
34#include "TRD/AliTRDv1.h"
35#include "FMD/AliFMDv1.h"
36#include "MUON/AliMUONv1.h"
37#include "MUON/AliMUONSt1GeometryBuilder.h"
38#include "MUON/AliMUONSt2GeometryBuilder.h"
39#include "MUON/AliMUONSlatGeometryBuilder.h"
40#include "MUON/AliMUONTriggerGeometryBuilder.h"
41#include "PHOS/AliPHOSv1.h"
42#include "PMD/AliPMDv1.h"
43#include "START/AliSTARTv1.h"
44#include "EMCAL/AliEMCALv1.h"
45#include "CRT/AliCRTv0.h"
46#include "VZERO/AliVZEROv3.h"
47#endif
48
49enum PprRun_t
50{
51 test50,
52 kParam_8000, kParam_4000, kParam_2000,
53 kHijing_cent1, kHijing_cent2,
54 kHijing_per1, kHijing_per2, kHijing_per3, kHijing_per4, kHijing_per5,
55 kHijing_jj25, kHijing_jj50, kHijing_jj75, kHijing_jj100, kHijing_jj200,
56 kHijing_gj25, kHijing_gj50, kHijing_gj75, kHijing_gj100, kHijing_gj200,
57 kHijing_pA, kPythia6, kPythia6Jets, kD0PbPb5500, kD_TRD, kB_TRD, kJpsi_TRD,
58 kU_TRD, kPyJJ, kPyGJ
59};
60
61enum PprGeo_t
62{
63 kHoles, kNoHoles
64};
65
66enum PprRad_t
67{
68 kGluonRadiation, kNoGluonRadiation
69};
70
71enum PprMag_t
72{
73 k2kG, k4kG, k5kG
74};
75
76
77// This part for configuration
78//static PprRun_t srun = test50;
79static PprRun_t srun = kPythia6;
80static PprGeo_t sgeo = kHoles;
81static PprRad_t srad = kGluonRadiation;
82static PprMag_t smag = k5kG;
83
84// Comment line
85static TString comment;
86
87// Functions
88Float_t EtaToTheta(Float_t arg);
89AliGenerator* GeneratorFactory(PprRun_t srun);
90AliGenHijing* HijingStandard();
91
92void Config()
93{
94 // ThetaRange is (0., 180.). It was (0.28,179.72) 7/12/00 09:00
95 // Theta range given through pseudorapidity limits 22/6/2001
96
97 // Set Random Number seed
98 gRandom->SetSeed(12345); //Set 0 to use the current time
99 cout<<"Seed for random number generation= "<<gRandom->GetSeed()<<endl;
100
101
102 // libraries required by geant321
103#if defined(__CINT__)
104 gSystem->Load("libgeant321");
105#endif
106
107 new TGeant3("C++ Interface to Geant3");
108
109 AliRunLoader* rl=0x0;
110
111 cout<<"Config.C: Creating Run Loader ..."<<endl;
112 rl = AliRunLoader::Open("galice.root",
113 AliConfig::fgkDefaultEventFolderName,
114 "recreate");
115 if (rl == 0x0)
116 {
117 gAlice->Fatal("Config.C","Can not instatiate the Run Loader");
118 return;
119 }
120 rl->SetCompressionLevel(2);
121 rl->SetNumberOfEventsPerFile(3);
122 gAlice->SetRunLoader(rl);
123
124 //
125 // Set External decayer
126 AliDecayer *decayer = new AliDecayerPythia();
127
128 decayer->SetForceDecay(kAll);
129 decayer->Init();
130 gMC->SetExternalDecayer(decayer);
131 //
132 //
133 //=======================================================================
134 //
135 //=======================================================================
136 // ************* STEERING parameters FOR ALICE SIMULATION **************
137 // --- Specify event type to be tracked through the ALICE setup
138 // --- All positions are in cm, angles in degrees, and P and E in GeV
139
140 gMC->SetProcess("DCAY",1);
141 gMC->SetProcess("PAIR",1);
142 gMC->SetProcess("COMP",1);
143 gMC->SetProcess("PHOT",1);
144 gMC->SetProcess("PFIS",0);
145 gMC->SetProcess("DRAY",0);
146 gMC->SetProcess("ANNI",1);
147 gMC->SetProcess("BREM",1);
148 gMC->SetProcess("MUNU",1);
149 gMC->SetProcess("CKOV",1);
150 gMC->SetProcess("HADR",1);
151 gMC->SetProcess("LOSS",2);
152 gMC->SetProcess("MULS",1);
153 gMC->SetProcess("RAYL",1);
154
155 Float_t cut = 1.e-3; // 1MeV cut by default
156 Float_t tofmax = 1.e10;
157
158 gMC->SetCut("CUTGAM", cut);
159 gMC->SetCut("CUTELE", cut);
160 gMC->SetCut("CUTNEU", cut);
161 gMC->SetCut("CUTHAD", cut);
162 gMC->SetCut("CUTMUO", cut);
163 gMC->SetCut("BCUTE", cut);
164 gMC->SetCut("BCUTM", cut);
165 gMC->SetCut("DCUTE", cut);
166 gMC->SetCut("DCUTM", cut);
167 gMC->SetCut("PPCUTM", cut);
168 gMC->SetCut("TOFMAX", tofmax);
169
170
171// Generator Configuration
172 gAlice->SetDebug(0);
173 AliGenerator* gener = GeneratorFactory(srun);
174 gener->SetOrigin(0, 0, 0); // vertex position
175 gener->SetSigma(0, 0, 5.3); // Sigma in (X,Y,Z) (cm) on IP position
176 gener->SetCutVertexZ(1.); // Truncate at 1 sigma
177 gener->SetVertexSmear(kPerEvent);
178 gener->SetTrackingFlag(1);
179 gener->Init();
180
181 if (smag == k2kG) {
182 comment = comment.Append(" | L3 field 0.2 T");
183 } else if (smag == k4kG) {
184 comment = comment.Append(" | L3 field 0.4 T");
185 } else if (smag == k5kG) {
186 comment = comment.Append(" | L3 field 0.5 T");
187 }
188
189
190 if (srad == kGluonRadiation)
191 {
192 comment = comment.Append(" | Gluon Radiation On");
193
194 } else {
195 comment = comment.Append(" | Gluon Radiation Off");
196 }
197
198 if (sgeo == kHoles)
199 {
200 comment = comment.Append(" | Holes for PHOS/RICH");
201
202 } else {
203 comment = comment.Append(" | No holes for PHOS/RICH");
204 }
205
206 printf("\n \n Comment: %s \n \n", comment.Data());
207
208
209// Field (L3 0.4 T)
210 AliMagFMaps* field = new AliMagFMaps("Maps","Maps", 2, 1., 10., smag);
211 field->SetL3ConstField(0); //Using const. field in the barrel
212 rl->CdGAFile();
213 gAlice->SetField(field);
214//
215 Int_t iABSO = 1;
216 Int_t iDIPO = 1;
217 Int_t iFMD = 1;
218 Int_t iFRAME = 1;
219 Int_t iHALL = 1;
220 Int_t iITS = 1;
221 Int_t iMAG = 1;
222 Int_t iMUON = 1;
223 Int_t iPHOS = 1;
224 Int_t iPIPE = 1;
225 Int_t iPMD = 1;
226 Int_t iRICH = 1;
227 Int_t iSHIL = 1;
228 Int_t iSTART = 1;
229 Int_t iTOF = 1;
230 Int_t iTPC = 1;
231 Int_t iTRD = 1;
232 Int_t iZDC = 1;
233 Int_t iEMCAL = 1;
234 Int_t iVZERO = 1;
235 Int_t iCRT = 0;
236
237 //=================== Alice BODY parameters =============================
238 AliBODY *BODY = new AliBODY("BODY", "Alice envelop");
239
240
241 if (iMAG)
242 {
243 //=================== MAG parameters ============================
244 // --- Start with Magnet since detector layouts may be depending ---
245 // --- on the selected Magnet dimensions ---
246 AliMAG *MAG = new AliMAG("MAG", "Magnet");
247 }
248
249
250 if (iABSO)
251 {
252 //=================== ABSO parameters ============================
253 AliABSO *ABSO = new AliABSOv0("ABSO", "Muon Absorber");
254 }
255
256 if (iDIPO)
257 {
258 //=================== DIPO parameters ============================
259
260 AliDIPO *DIPO = new AliDIPOv2("DIPO", "Dipole version 2");
261 }
262
263 if (iHALL)
264 {
265 //=================== HALL parameters ============================
266
267 AliHALL *HALL = new AliHALL("HALL", "Alice Hall");
268 }
269
270
271 if (iFRAME)
272 {
273 //=================== FRAME parameters ============================
274
275 AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame");
276 if (sgeo == kHoles) {
277 FRAME->SetHoles(1);
278 } else {
279 FRAME->SetHoles(0);
280 }
281 }
282
283 if (iSHIL)
284 {
285 //=================== SHIL parameters ============================
286
287 AliSHIL *SHIL = new AliSHILv2("SHIL", "Shielding Version 2");
288 }
289
290
291 if (iPIPE)
292 {
293 //=================== PIPE parameters ============================
294
295 AliPIPE *PIPE = new AliPIPEv0("PIPE", "Beam Pipe");
296 }
297
298 if(iITS) {
299
300 //=================== ITS parameters ============================
301 //
302 // As the innermost detector in ALICE, the Inner Tracking System "impacts" on
303 // almost all other detectors. This involves the fact that the ITS geometry
304 // still has several options to be followed in parallel in order to determine
305 // the best set-up which minimizes the induced background. All the geometries
306 // available to date are described in the following. Read carefully the comments
307 // and use the default version (the only one uncommented) unless you are making
308 // comparisons and you know what you are doing. In this case just uncomment the
309 // ITS geometry you want to use and run Aliroot.
310 //
311 // Detailed geometries:
312 //
313 //
314 //AliITS *ITS = new AliITSv5symm("ITS","Updated ITS TDR detailed version with symmetric services");
315 //
316 //AliITS *ITS = new AliITSv5asymm("ITS","Updates ITS TDR detailed version with asymmetric services");
317 //
318 AliITSvPPRasymmFMD *ITS = new AliITSvPPRasymmFMD("ITS","New ITS PPR detailed version with asymmetric services");
319 ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer
320 ITS->SetReadDet(kTRUE); // don't touch this parameter if you're not an ITS developer
321 // ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRasymm2.det"); // don't touch this parameter if you're not an ITS developer
322 ITS->SetThicknessDet1(200.); // detector thickness on layer 1 must be in the range [100,300]
323 ITS->SetThicknessDet2(200.); // detector thickness on layer 2 must be in the range [100,300]
324 ITS->SetThicknessChip1(200.); // chip thickness on layer 1 must be in the range [150,300]
325 ITS->SetThicknessChip2(200.); // chip thickness on layer 2 must be in the range [150,300]
326 ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out
327 ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon
328
329 // Coarse geometries (warning: no hits are produced with these coarse geometries and they unuseful
330 // for reconstruction !):
331 //
332 //
333 //AliITSvPPRcoarseasymm *ITS = new AliITSvPPRcoarseasymm("ITS","New ITS PPR coarse version with asymmetric services");
334 //ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out
335 //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon
336 //
337 //AliITS *ITS = new AliITSvPPRcoarsesymm("ITS","New ITS PPR coarse version with symmetric services");
338 //ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out
339 //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon
340 //
341 //
342 //
343 // Geant3 <-> EUCLID conversion
344 // ============================
345 //
346 // SetEUCLID is a flag to output (=1) or not to output (=0) both geometry and
347 // media to two ASCII files (called by default ITSgeometry.euc and
348 // ITSgeometry.tme) in a format understandable to the CAD system EUCLID.
349 // The default (=0) means that you dont want to use this facility.
350 //
351 ITS->SetEUCLID(0);
352 }
353
354 if (iTPC)
355 {
356 //============================ TPC parameters ================================
357 // --- This allows the user to specify sectors for the SLOW (TPC geometry 2)
358 // --- Simulator. SecAL (SecAU) <0 means that ALL lower (upper)
359 // --- sectors are specified, any value other than that requires at least one
360 // --- sector (lower or upper)to be specified!
361 // --- Reminder: sectors 1-24 are lower sectors (1-12 -> z>0, 13-24 -> z<0)
362 // --- sectors 25-72 are the upper ones (25-48 -> z>0, 49-72 -> z<0)
363 // --- SecLows - number of lower sectors specified (up to 6)
364 // --- SecUps - number of upper sectors specified (up to 12)
365 // --- Sens - sensitive strips for the Slow Simulator !!!
366 // --- This does NOT work if all S or L-sectors are specified, i.e.
367 // --- if SecAL or SecAU < 0
368 //
369 //
370 //-----------------------------------------------------------------------------
371
372 // gROOT->LoadMacro("SetTPCParam.C");
373 // AliTPCParam *param = SetTPCParam();
374 AliTPC *TPC = new AliTPCv2("TPC", "Default");
375
376 // All sectors included
377 TPC->SetSecAL(-1);
378 TPC->SetSecAU(-1);
379
380 }
381
382
383 if (iTOF) {
384 //=================== TOF parameters ============================
385 AliTOF *TOF = new AliTOFv4T0("TOF", "normal TOF");
386 }
387
388
389 if (iRICH)
390 {
391 //=================== RICH parameters ===========================
392 AliRICH *RICH = new AliRICHv1("RICH", "normal RICH");
393
394 }
395
396
397 if (iZDC)
398 {
399 //=================== ZDC parameters ============================
400
401 AliZDC *ZDC = new AliZDCv2("ZDC", "normal ZDC");
402 }
403
404 if (iTRD)
405 {
406 //=================== TRD parameters ============================
407
408 AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator");
409
410 // Select the gas mixture (0: 97% Xe + 3% isobutane, 1: 90% Xe + 10% CO2)
411 TRD->SetGasMix(1);
412 if (sgeo == kHoles) {
413 // With hole in front of PHOS
414 TRD->SetPHOShole();
415 // With hole in front of RICH
416 TRD->SetRICHhole();
417 }
418 // Switch on TR
419 AliTRDsim *TRDsim = TRD->CreateTR();
420 }
421
422 if (iFMD)
423 {
424 //=================== FMD parameters ============================
425 AliFMD *FMD = new AliFMDv1("FMD", "normal FMD");
426 }
427
428 if (iMUON)
429 {
430 //=================== MUON parameters ===========================
431
432 AliMUON *MUON = new AliMUONv1("MUON", "default");
433 MUON->AddGeometryBuilder(new AliMUONSt1GeometryBuilder(MUON));
434 MUON->AddGeometryBuilder(new AliMUONSt2GeometryBuilder(MUON));
435 MUON->AddGeometryBuilder(new AliMUONSlatGeometryBuilder(MUON));
436 MUON->AddGeometryBuilder(new AliMUONTriggerGeometryBuilder(MUON));
437 }
438 //=================== PHOS parameters ===========================
439
440 if (iPHOS)
441 {
442 AliPHOS *PHOS = new AliPHOSv1("PHOS", "IHEP");
443 }
444
445
446 if (iPMD)
447 {
448 //=================== PMD parameters ============================
449 AliPMD *PMD = new AliPMDv1("PMD", "normal PMD");
450 }
451
452 if (iSTART)
453 {
454 //=================== START parameters ============================
455 AliSTART *START = new AliSTARTv1("START", "START Detector");
456 }
457
458 if (iEMCAL)
459 {
460 //=================== EMCAL parameters ============================
461 AliEMCAL *EMCAL = new AliEMCALv1("EMCAL", "EMCAL_55_25");
462 }
463
464 if (iCRT)
465 {
466 //=================== CRT parameters ============================
467 AliCRT *CRT = new AliCRTv0("CRT", "normal ACORDE");
468 }
469
470 if (iVZERO)
471 {
472 //=================== CRT parameters ============================
473 AliVZERO *VZERO = new AliVZEROv3("VZERO", "normal VZERO");
474 }
475
476
477}
478
479Float_t EtaToTheta(Float_t arg){
480 return (180./TMath::Pi())*2.*atan(exp(-arg));
481}
482
483
484
485AliGenerator* GeneratorFactory(PprRun_t srun) {
486 Int_t isw = 3;
487 if (srad == kNoGluonRadiation) isw = 0;
488
489
490 AliGenerator * gGener = 0x0;
491 switch (srun) {
492 case test50:
493 {
494 comment = comment.Append(":HIJINGparam test 50 particles");
495 AliGenHIJINGpara *gener = new AliGenHIJINGpara(50);
496 gener->SetMomentumRange(0, 999999.);
497 gener->SetPhiRange(0., 360.);
498 // Set pseudorapidity range from -8 to 8.
499 Float_t thmin = EtaToTheta(8); // theta min. <---> eta max
500 Float_t thmax = EtaToTheta(-8); // theta max. <---> eta min
501 gener->SetThetaRange(thmin,thmax);
502 gGener=gener;
503 }
504 break;
505 case kParam_8000:
506 {
507 comment = comment.Append(":HIJINGparam N=8000");
508 AliGenHIJINGpara *gener = new AliGenHIJINGpara(86030);
509 gener->SetMomentumRange(0, 999999.);
510 gener->SetPhiRange(0., 360.);
511 // Set pseudorapidity range from -8 to 8.
512 Float_t thmin = EtaToTheta(8); // theta min. <---> eta max
513 Float_t thmax = EtaToTheta(-8); // theta max. <---> eta min
514 gener->SetThetaRange(thmin,thmax);
515 gGener=gener;
516 }
517 break;
518 case kParam_4000:
519 {
520 comment = comment.Append("HIJINGparam N=4000");
521 AliGenHIJINGpara *gener = new AliGenHIJINGpara(43015);
522 gener->SetMomentumRange(0, 999999.);
523 gener->SetPhiRange(0., 360.);
524 // Set pseudorapidity range from -8 to 8.
525 Float_t thmin = EtaToTheta(8); // theta min. <---> eta max
526 Float_t thmax = EtaToTheta(-8); // theta max. <---> eta min
527 gener->SetThetaRange(thmin,thmax);
528 gGener=gener;
529 }
530 break;
531 case kParam_2000:
532 {
533 comment = comment.Append("HIJINGparam N=2000");
534 AliGenHIJINGpara *gener = new AliGenHIJINGpara(21507);
535 gener->SetMomentumRange(0, 999999.);
536 gener->SetPhiRange(0., 360.);
537 // Set pseudorapidity range from -8 to 8.
538 Float_t thmin = EtaToTheta(8); // theta min. <---> eta max
539 Float_t thmax = EtaToTheta(-8); // theta max. <---> eta min
540 gener->SetThetaRange(thmin,thmax);
541 gGener=gener;
542 }
543 break;
544//
545// Hijing Central
546//
547 case kHijing_cent1:
548 {
549 comment = comment.Append("HIJING cent1");
550 AliGenHijing *gener = HijingStandard();
551// impact parameter range
552 gener->SetImpactParameterRange(0., 5.);
553 gGener=gener;
554 }
555 break;
556 case kHijing_cent2:
557 {
558 comment = comment.Append("HIJING cent2");
559 AliGenHijing *gener = HijingStandard();
560// impact parameter range
561 gener->SetImpactParameterRange(0., 2.);
562 gGener=gener;
563 }
564 break;
565//
566// Hijing Peripheral
567//
568 case kHijing_per1:
569 {
570 comment = comment.Append("HIJING per1");
571 AliGenHijing *gener = HijingStandard();
572// impact parameter range
573 gener->SetImpactParameterRange(5., 8.6);
574 gGener=gener;
575 }
576 break;
577 case kHijing_per2:
578 {
579 comment = comment.Append("HIJING per2");
580 AliGenHijing *gener = HijingStandard();
581// impact parameter range
582 gener->SetImpactParameterRange(8.6, 11.2);
583 gGener=gener;
584 }
585 break;
586 case kHijing_per3:
587 {
588 comment = comment.Append("HIJING per3");
589 AliGenHijing *gener = HijingStandard();
590// impact parameter range
591 gener->SetImpactParameterRange(11.2, 13.2);
592 gGener=gener;
593 }
594 break;
595 case kHijing_per4:
596 {
597 comment = comment.Append("HIJING per4");
598 AliGenHijing *gener = HijingStandard();
599// impact parameter range
600 gener->SetImpactParameterRange(13.2, 15.);
601 gGener=gener;
602 }
603 break;
604 case kHijing_per5:
605 {
606 comment = comment.Append("HIJING per5");
607 AliGenHijing *gener = HijingStandard();
608// impact parameter range
609 gener->SetImpactParameterRange(15., 100.);
610 gGener=gener;
611 }
612 break;
613//
614// Jet-Jet
615//
616 case kHijing_jj25:
617 {
618 comment = comment.Append("HIJING Jet 25 GeV");
619 AliGenHijing *gener = HijingStandard();
620// impact parameter range
621 gener->SetImpactParameterRange(0., 5.);
622 // trigger
623 gener->SetTrigger(1);
624 gener->SetPtJet(25.);
625 gener->SetRadiation(isw);
626 gener->SetSimpleJets(!isw);
627 gener->SetJetEtaRange(-0.3,0.3);
628 gener->SetJetPhiRange(75., 165.);
629 gGener=gener;
630 }
631 break;
632
633 case kHijing_jj50:
634 {
635 comment = comment.Append("HIJING Jet 50 GeV");
636 AliGenHijing *gener = HijingStandard();
637// impact parameter range
638 gener->SetImpactParameterRange(0., 5.);
639 // trigger
640 gener->SetTrigger(1);
641 gener->SetPtJet(50.);
642 gener->SetRadiation(isw);
643 gener->SetSimpleJets(!isw);
644 gener->SetJetEtaRange(-0.3,0.3);
645 gener->SetJetPhiRange(75., 165.);
646 gGener=gener;
647 }
648 break;
649
650 case kHijing_jj75:
651 {
652 comment = comment.Append("HIJING Jet 75 GeV");
653 AliGenHijing *gener = HijingStandard();
654// impact parameter range
655 gener->SetImpactParameterRange(0., 5.);
656 // trigger
657 gener->SetTrigger(1);
658 gener->SetPtJet(75.);
659 gener->SetRadiation(isw);
660 gener->SetSimpleJets(!isw);
661 gener->SetJetEtaRange(-0.3,0.3);
662 gener->SetJetPhiRange(75., 165.);
663 gGener=gener;
664 }
665 break;
666
667 case kHijing_jj100:
668 {
669 comment = comment.Append("HIJING Jet 100 GeV");
670 AliGenHijing *gener = HijingStandard();
671// impact parameter range
672 gener->SetImpactParameterRange(0., 5.);
673 // trigger
674 gener->SetTrigger(1);
675 gener->SetPtJet(100.);
676 gener->SetRadiation(isw);
677 gener->SetSimpleJets(!isw);
678 gener->SetJetEtaRange(-0.3,0.3);
679 gener->SetJetPhiRange(75., 165.);
680 gGener=gener;
681 }
682 break;
683
684 case kHijing_jj200:
685 {
686 comment = comment.Append("HIJING Jet 200 GeV");
687 AliGenHijing *gener = HijingStandard();
688// impact parameter range
689 gener->SetImpactParameterRange(0., 5.);
690 // trigger
691 gener->SetTrigger(1);
692 gener->SetPtJet(200.);
693 gener->SetRadiation(isw);
694 gener->SetSimpleJets(!isw);
695 gener->SetJetEtaRange(-0.3,0.3);
696 gener->SetJetPhiRange(75., 165.);
697 gGener=gener;
698 }
699 break;
700//
701// Gamma-Jet
702//
703 case kHijing_gj25:
704 {
705 comment = comment.Append("HIJING Gamma 25 GeV");
706 AliGenHijing *gener = HijingStandard();
707// impact parameter range
708 gener->SetImpactParameterRange(0., 5.);
709 // trigger
710 gener->SetTrigger(2);
711 gener->SetPtJet(25.);
712 gener->SetRadiation(isw);
713 gener->SetSimpleJets(!isw);
714 gener->SetJetEtaRange(-0.12, 0.12);
715 gener->SetJetPhiRange(220., 320.);
716 gGener=gener;
717 }
718 break;
719
720 case kHijing_gj50:
721 {
722 comment = comment.Append("HIJING Gamma 50 GeV");
723 AliGenHijing *gener = HijingStandard();
724// impact parameter range
725 gener->SetImpactParameterRange(0., 5.);
726 // trigger
727 gener->SetTrigger(2);
728 gener->SetPtJet(50.);
729 gener->SetRadiation(isw);
730 gener->SetSimpleJets(!isw);
731 gener->SetJetEtaRange(-0.12, 0.12);
732 gener->SetJetPhiRange(220., 320.);
733 gGener=gener;
734 }
735 break;
736
737 case kHijing_gj75:
738 {
739 comment = comment.Append("HIJING Gamma 75 GeV");
740 AliGenHijing *gener = HijingStandard();
741// impact parameter range
742 gener->SetImpactParameterRange(0., 5.);
743 // trigger
744 gener->SetTrigger(2);
745 gener->SetPtJet(75.);
746 gener->SetRadiation(isw);
747 gener->SetSimpleJets(!isw);
748 gener->SetJetEtaRange(-0.12, 0.12);
749 gener->SetJetPhiRange(220., 320.);
750 gGener=gener;
751 }
752 break;
753
754 case kHijing_gj100:
755 {
756 comment = comment.Append("HIJING Gamma 100 GeV");
757 AliGenHijing *gener = HijingStandard();
758// impact parameter range
759 gener->SetImpactParameterRange(0., 5.);
760 // trigger
761 gener->SetTrigger(2);
762 gener->SetPtJet(100.);
763 gener->SetRadiation(isw);
764 gener->SetSimpleJets(!isw);
765 gener->SetJetEtaRange(-0.12, 0.12);
766 gener->SetJetPhiRange(220., 320.);
767 gGener=gener;
768 }
769 break;
770
771 case kHijing_gj200:
772 {
773 comment = comment.Append("HIJING Gamma 200 GeV");
774 AliGenHijing *gener = HijingStandard();
775// impact parameter range
776 gener->SetImpactParameterRange(0., 5.);
777 // trigger
778 gener->SetTrigger(2);
779 gener->SetPtJet(200.);
780 gener->SetRadiation(isw);
781 gener->SetSimpleJets(!isw);
782 gener->SetJetEtaRange(-0.12, 0.12);
783 gener->SetJetPhiRange(220., 320.);
784 gGener=gener;
785 }
786 break;
787 case kHijing_pA:
788 {
789 comment = comment.Append("HIJING pA");
790
791 AliGenCocktail *gener = new AliGenCocktail();
792
793 AliGenHijing *hijing = new AliGenHijing(-1);
794// centre of mass energy
795 hijing->SetEnergyCMS(TMath::Sqrt(82./208.) * 14000.);
796// impact parameter range
797 hijing->SetImpactParameterRange(0., 15.);
798// reference frame
799 hijing->SetReferenceFrame("CMS");
800 hijing->SetBoostLHC(1);
801// projectile
802 hijing->SetProjectile("P", 1, 1);
803 hijing->SetTarget ("A", 208, 82);
804// tell hijing to keep the full parent child chain
805 hijing->KeepFullEvent();
806// enable jet quenching
807 hijing->SetJetQuenching(0);
808// enable shadowing
809 hijing->SetShadowing(1);
810// Don't track spectators
811 hijing->SetSpectators(0);
812// kinematic selection
813 hijing->SetSelectAll(0);
814//
815 AliGenSlowNucleons* gray = new AliGenSlowNucleons(1);
816 AliSlowNucleonModel* model = new AliSlowNucleonModelExp();
817 gray->SetSlowNucleonModel(model);
818 gray->SetDebug(1);
819 gener->AddGenerator(hijing,"Hijing pPb", 1);
820 gener->AddGenerator(gray, "Gray Particles",1);
821 gGener=gener;
822 }
823 break;
824 case kPythia6:
825 {
826 comment = comment.Append(":Pythia p-p @ 14 TeV");
827 AliGenPythia *gener = new AliGenPythia(-1);
828 gener->SetMomentumRange(0,999999);
829 gener->SetPhiRange(-180,180);
830 gener->SetThetaRange(0., 180.);
831 gener->SetYRange(-12,12);
832 gener->SetPtRange(0,1000);
833 gener->SetStrucFunc(kCTEQ4L);
834 gener->SetProcess(kPyMb);
835 gener->SetEnergyCMS(14000.);
836 gGener=gener;
837 }
838 break;
839 case kPythia6Jets:
840 {
841 comment = comment.Append(":Pythia jets @ 5.5 TeV");
842 AliGenPythia * gener = new AliGenPythia(-1);
843 gener->SetEnergyCMS(5500.);// Centre of mass energy
844 gener->SetProcess(kPyJets);// Process type
845 gener->SetJetEtaRange(-0.5, 0.5);// Final state kinematic cuts
846 gener->SetJetPhiRange(0., 360.);
847 gener->SetJetEtRange(10., 1000.);
848 gener->SetGluonRadiation(1,1);
849 // gener->SetPtKick(0.);
850 // Structure function
851 gener->SetStrucFunc(kCTEQ4L);
852 gener->SetPtHard(86., 104.);// Pt transfer of the hard scattering
853 gener->SetPycellParameters(2., 274, 432, 0., 4., 5., 1.0);
854 gener->SetForceDecay(kAll);// Decay type (semielectronic, etc.)
855 gGener=gener;
856 }
857 break;
858 case kD0PbPb5500:
859 {
860 comment = comment.Append(" D0 in Pb-Pb at 5.5 TeV");
861 AliGenPythia * gener = new AliGenPythia(10);
862 gener->SetProcess(kPyD0PbPbMNR);
863 gener->SetStrucFunc(kCTEQ4L);
864 gener->SetPtHard(2.1,-1.0);
865 gener->SetEnergyCMS(5500.);
866 gener->SetNuclei(208,208);
867 gGener=gener;
868 }
869 break;
870 case kD_TRD:
871 {
872 comment = comment.Append(" D0 for TRD at 5.5 TeV");
873 AliGenPythia *gener = new AliGenPythia(1);
874 gener->SetCutOnChild(0);
875 gener->SetStrucFunc(kCTEQ4L);
876 gener->SetProcess(kPyCharm);
877 gener->SetPtHard(0.,-1);
878 gener->SetEnergyCMS(5500.);
879 gGener=gener;
880 }
881 break;
882 case kB_TRD:
883 {
884 comment = comment.Append(" B for TRD at 5.5 TeV");
885 AliGenPythia *gener = new AliGenPythia(1);
886 gener->SetCutOnChild(0);
887 gener->SetStrucFunc(kCTEQ4L);
888 gener->SetProcess(kPyBeauty);
889 gener->SetPtHard(0.,-1);
890 gener->SetEnergyCMS(5500.);
891 gGener=gener;
892 }
893 break;
894 case kJpsi_TRD:
895 {
896 comment = comment.Append(" J/psi for TRD at 5.5 TeV");
897 AliGenParam *gener = new AliGenParam(1,new AliGenGSIlib(),
898 AliGenGSIlib::kJPsi,"MUON");
899 gener->SetMomentumRange(0,999);
900 gener->SetPtRange(0,30.);
901 gener->SetPhiRange(0., 360.);
902 gener->SetYRange(-0.9,+0.9);
903 gener->SetForceDecay(kDiElectron);
904 gGener=gener;
905 }
906 break;
907 case kU_TRD:
908 {
909 comment = comment.Append(" Upsilon for TRD at 5.5 TeV");
910 AliGenParam *gener = new AliGenParam(1,new AliGenGSIlib(),
911 AliGenGSIlib::kUpsilon,"RITMAN");
912 gener->SetMomentumRange(0,999);
913 gener->SetPtRange(0,30.);
914 gener->SetPhiRange(0., 360.);
915 gener->SetYRange(-0.9,0.9);
916 gener->SetForceDecay(kDiElectron);
917 gGener=gener;
918 }
919 break;
920 case kPyJJ:
921 {
922 comment = comment.Append(" Jet-jet at 5.5 TeV");
923 AliGenPythia *gener = new AliGenPythia(-1);
924 gener->SetEnergyCMS(5500.);
925 gener->SetProcess(kPyJets);
926 Double_t ptHardMin=10.0, ptHardMax=-1.0;
927 gener->SetPtHard(ptHardMin,ptHardMax);
928 gener->SetYHard(-0.7,0.7);
929 gener->SetJetEtaRange(-0.2,0.2);
930 gener->SetEventListRange(0,1);
931 gGener=gener;
932 }
933 break;
934 case kPyGJ:
935 {
936 comment = comment.Append(" Gamma-jet at 5.5 TeV");
937 AliGenPythia *gener = new AliGenPythia(-1);
938 gener->SetEnergyCMS(5500.);
939 gener->SetProcess(kPyDirectGamma);
940 Double_t ptHardMin=10.0, ptHardMax=-1.0;
941 gener->SetPtHard(ptHardMin,ptHardMax);
942 gener->SetYHard(-1.0,1.0);
943 gener->SetGammaEtaRange(-0.13,0.13);
944 gener->SetGammaPhiRange(210.,330.);
945 gener->SetEventListRange(0,1);
946 gGener=gener;
947 }
948 break;
949 }
950 return gGener;
951}
952
953AliGenHijing* HijingStandard()
954{
955 AliGenHijing *gener = new AliGenHijing(-1);
956// centre of mass energy
957 gener->SetEnergyCMS(5500.);
958// reference frame
959 gener->SetReferenceFrame("CMS");
960// projectile
961 gener->SetProjectile("A", 208, 82);
962 gener->SetTarget ("A", 208, 82);
963// tell hijing to keep the full parent child chain
964 gener->KeepFullEvent();
965// enable jet quenching
966 gener->SetJetQuenching(1);
967// enable shadowing
968 gener->SetShadowing(1);
969// neutral pion and heavy particle decays switched off
970 gener->SetDecaysOff(1);
971// Don't track spectators
972 gener->SetSpectators(0);
973// kinematic selection
974 gener->SetSelectAll(0);
975 return gener;
976}
977
978
979