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LHAPDF veraion 5.9.1
[u/mrichter/AliRoot.git] / macros / Config_PythiaHeavyFlavours.C
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CommitLineData
1//*******************************************************************//
2// Configuration file for charm / beauty generation with PYTHIA //
3// //
4// The parameters have been tuned in order to reproduce the inclusive//
5// heavy quark pt distribution given by the NLO pQCD calculation by //
6// Mangano, Nason and Ridolfi. //
7// //
8// For details and for the NORMALIZATION of the yields see: //
9// N.Carrer and A.Dainese, //
10// "Charm and beauty production at the LHC", //
11// ALICE-INT-2003-019, [arXiv:hep-ph/0311225]; //
12// PPR Chapter 6.6, CERN/LHCC 2005-030 (2005). //
13//*******************************************************************//
14#if !defined(__CINT__) || defined(__MAKECINT__)
15#include <Riostream.h>
16#include <TRandom.h>
17#include <TDatime.h>
18#include <TSystem.h>
19#include <TVirtualMC.h>
20#include <TGeant3TGeo.h>
21#include "STEER/AliRunLoader.h"
22#include "STEER/AliRun.h"
23#include "STEER/AliConfig.h"
24#include "PYTHIA6/AliDecayerPythia.h"
25#include "PYTHIA6/AliGenPythia.h"
26#include "STEER/AliMagF.h"
27#include "STRUCT/AliBODY.h"
28#include "STRUCT/AliMAG.h"
29#include "STRUCT/AliABSOv3.h"
30#include "STRUCT/AliDIPOv3.h"
31#include "STRUCT/AliHALLv3.h"
32#include "STRUCT/AliFRAMEv2.h"
33#include "STRUCT/AliSHILv3.h"
34#include "STRUCT/AliPIPEv3.h"
35#include "ITS/AliITSv11.h"
36#include "TPC/AliTPCv2.h"
37#include "TOF/AliTOFv6T0.h"
38#include "HMPID/AliHMPIDv3.h"
39#include "ZDC/AliZDCv3.h"
40#include "TRD/AliTRDv1.h"
41#include "FMD/AliFMDv0.h"
42#include "MUON/AliMUONv1.h"
43#include "PHOS/AliPHOSv1.h"
44#include "PMD/AliPMDv1.h"
45#include "T0/AliT0v1.h"
46#include "ACORDE/AliACORDEv1.h"
47#endif
48
49//--- Heavy Flavour Production ---
50enum ProcessHvFl_t
51{
52 kCharmPbPb5500, kCharmpPb8800, kCharmpp14000, kCharmpp14000wmi,
53 kCharmSemiElpp14000wmi,
54 kD0PbPb5500, kD0pPb8800, kD0pp14000,
55 kDPlusPbPb5500, kDPluspPb8800, kDPluspp14000,
56 kDPlusStrangePbPb5500, kDPlusStrangepPb8800, kDPlusStrangepp14000,
57 kBeautyPbPb5500, kBeautypPb8800, kBeautypp14000, kBeautypp14000wmi,
58 kBeautySemiElpp14000wmi
59};
60//--- Decay Mode ---
61enum DecayHvFl_t
62{
63 kNature, kHadr, kSemiEl, kSemiMu
64};
65//--- Rapidity Cut ---
66enum YCut_t
67{
68 kFull, kBarrel, kMuonArm
69};
70//--- Trigger config ---
71enum TrigConf_t
72{
73 kDefaultPPTrig, kDefaultPbPbTrig
74};
75const char * TrigConfName[] = {
76 "p-p","Pb-Pb"
77};
78
79//--- Functions ---
80class AliGenPythia;
81AliGenPythia *PythiaHVQ(ProcessHvFl_t proc);
82void LoadPythia();
83
84
85// This part for configuration
86static ProcessHvFl_t procHvFl = kCharmpp14000wmi;
87static DecayHvFl_t decHvFl = kNature;
88static YCut_t ycut = kFull;
89static AliMagF::BMap_t mag = AliMagF::k5kG;
90static TrigConf_t trig = kDefaultPbPbTrig; // default PbPb trigger configuration
91// nEvts = -1 : you get 1 QQbar pair and all the fragmentation and
92// decay chain
93// nEvts = N>0 : you get N charm / beauty Hadrons
94Int_t nEvts = -1;
95// stars = kTRUE : all heavy resonances and their decay stored
96// = kFALSE: only final heavy hadrons and their decays stored
97Bool_t stars = kTRUE;
98
99// To be used only with kCharmppMNRwmi and kBeautyppMNRwmi
100// To get a "reasonable" agreement with MNR results, events have to be
101// generated with the minimum ptHard set to 2.76 GeV.
102// To get a "perfect" agreement with MNR results, events have to be
103// generated in four ptHard bins with the following relative
104// normalizations:
105// CHARM
106// 2.76-3 GeV: 25%
107// 3-4 GeV: 40%
108// 4-8 GeV: 29%
109// >8 GeV: 6%
110// BEAUTY
111// 2.76-4 GeV: 5%
112// 4-6 GeV: 31%
113// 6-8 GeV: 28%
114// >8 GeV: 36%
115Float_t ptHardMin = 2.76;
116Float_t ptHardMax = -1.;
117
118
119// Comment line
120static TString comment;
121
122void Config()
123{
124
125 //========================//
126 // Set Random Number seed //
127 //========================//
128 TDatime dt;
129 UInt_t curtime=dt.Get();
130 UInt_t procid=gSystem->GetPid();
131 UInt_t seed=curtime-procid;
132
133 // gRandom->SetSeed(seed);
134 // cerr<<"Seed for random number generation= "<<seed<<endl;
135 gRandom->SetSeed(12345);
136
137 // Load Pythia libraries
138 LoadPythia();
139 // libraries required by geant321
140#if defined(__CINT__)
141 gSystem->Load("libgeant321");
142#endif
143
144 new TGeant3TGeo("C++ Interface to Geant3");
145
146 if(!AliCDBManager::Instance()->IsDefaultStorageSet()){
147 AliCDBManager::Instance()->SetDefaultStorage("local://$ALICE_ROOT/OCDB");
148 AliCDBManager::Instance()->SetRun(0);
149 }
150
151 //=======================================================================
152 // Create the output file
153
154
155 AliRunLoader* rl=0x0;
156
157 cout<<"Config.C: Creating Run Loader ..."<<endl;
158 rl = AliRunLoader::Open("galice.root",
159 AliConfig::GetDefaultEventFolderName(),
160 "recreate");
161 if (rl == 0x0)
162 {
163 gAlice->Fatal("Config.C","Can not instatiate the Run Loader");
164 return;
165 }
166 rl->SetCompressionLevel(2);
167 rl->SetNumberOfEventsPerFile(1000);
168 gAlice->SetRunLoader(rl);
169 // gAlice->SetGeometryFromFile("geometry.root");
170 // gAlice->SetGeometryFromCDB();
171
172 // Set the trigger configuration
173 AliSimulation::Instance()->SetTriggerConfig(TrigConfName[trig]);
174 cout<<"Trigger configuration is set to "<<TrigConfName[trig]<<endl;
175
176 //
177 //=======================================================================
178 // ************* STEERING parameters FOR ALICE SIMULATION **************
179 // --- Specify event type to be tracked through the ALICE setup
180 // --- All positions are in cm, angles in degrees, and P and E in GeV
181
182
183 gMC->SetProcess("DCAY",1);
184 gMC->SetProcess("PAIR",1);
185 gMC->SetProcess("COMP",1);
186 gMC->SetProcess("PHOT",1);
187 gMC->SetProcess("PFIS",0);
188 gMC->SetProcess("DRAY",0);
189 gMC->SetProcess("ANNI",1);
190 gMC->SetProcess("BREM",1);
191 gMC->SetProcess("MUNU",1);
192 gMC->SetProcess("CKOV",1);
193 gMC->SetProcess("HADR",1);
194 gMC->SetProcess("LOSS",2);
195 gMC->SetProcess("MULS",1);
196 gMC->SetProcess("RAYL",1);
197
198 Float_t cut = 1.e-3; // 1MeV cut by default
199 Float_t tofmax = 1.e10;
200
201 gMC->SetCut("CUTGAM", cut);
202 gMC->SetCut("CUTELE", cut);
203 gMC->SetCut("CUTNEU", cut);
204 gMC->SetCut("CUTHAD", cut);
205 gMC->SetCut("CUTMUO", cut);
206 gMC->SetCut("BCUTE", cut);
207 gMC->SetCut("BCUTM", cut);
208 gMC->SetCut("DCUTE", cut);
209 gMC->SetCut("DCUTM", cut);
210 gMC->SetCut("PPCUTM", cut);
211 gMC->SetCut("TOFMAX", tofmax);
212
213
214
215
216 // Set External decayer //
217 //======================//
218 TVirtualMCDecayer* decayer = new AliDecayerPythia();
219 // DECAYS
220 //
221 switch(decHvFl) {
222 case kNature:
223 decayer->SetForceDecay(kAll);
224 break;
225 case kHadr:
226 decayer->SetForceDecay(kHadronicD);
227 break;
228 case kSemiEl:
229 decayer->SetForceDecay(kSemiElectronic);
230 break;
231 case kSemiMu:
232 decayer->SetForceDecay(kSemiMuonic);
233 break;
234 }
235 decayer->Init();
236 gMC->SetExternalDecayer(decayer);
237
238 //=========================//
239 // Generator Configuration //
240 //=========================//
241 AliGenPythia *pythia = PythiaHVQ(procHvFl);
242 // FeedDown option
243 pythia->SetFeedDownHigherFamily(kFALSE);
244 // Stack filling option
245 if(!stars) pythia->SetStackFillOpt(AliGenPythia::kParentSelection);
246 // Set Count mode
247 if(nEvts>0) pythia->SetCountMode(AliGenPythia::kCountParents);
248 // DECAYS
249 //
250 switch(decHvFl) {
251 case kNature:
252 pythia->SetForceDecay(kAll);
253 break;
254 case kHadr:
255 pythia->SetForceDecay(kHadronicD);
256 break;
257 case kSemiEl:
258 pythia->SetForceDecay(kSemiElectronic);
259 break;
260 case kSemiMu:
261 pythia->SetForceDecay(kSemiMuonic);
262 break;
263 }
264 // GEOM & KINE CUTS
265 //
266 pythia->SetMomentumRange(0,99999999);
267 pythia->SetPhiRange(0., 360.);
268 pythia->SetThetaRange(0,180);
269 switch(ycut) {
270 case kFull:
271 pythia->SetYRange(-999,999);
272 break;
273 case kBarrel:
274 pythia->SetYRange(-2,2);
275 break;
276 case kMuonArm:
277 pythia->SetYRange(1,6);
278 break;
279 }
280
281 // PRIMARY VERTEX
282 //
283 pythia->SetOrigin(0, 0, 0); // vertex position
284 pythia->SetSigma(0, 0, 5.3); // Sigma in (X,Y,Z) (cm) on IP position
285 pythia->SetCutVertexZ(1.); // Truncate at 1 sigma
286 pythia->SetVertexSmear(kPerEvent);
287
288
289
290 pythia->SetTrackingFlag(0);
291 // Specify GEANT tracking limits (Rmax, Zmax)
292 //gAlice->GetMCApp()->TrackingLimits(90.,1.0e10);
293
294
295 pythia->Init();
296
297 // FIELD
298 //
299 if (mag == AliMagF::k2kG) {
300 comment = comment.Append(" | L3 field 0.2 T");
301 } else if (mag == AliMagF::k5kG) {
302 comment = comment.Append(" | L3 field 0.5 T");
303 }
304 printf("\n \n Comment: %s \n \n", comment.Data());
305
306 AliMagF* field = new AliMagF("Maps","Maps", 1., 1., mag);
307 field->SetL3ConstField(0); //Using const. field in the barrel
308 TGeoGlobalMagField::Instance()->SetField(field);
309
310 rl->CdGAFile();
311
312 // By default all ALICE is switched off
313 Int_t iABSO=0;
314 Int_t iACORDE=0;
315 Int_t iDIPO=0;
316 Int_t iFMD=0;
317 Int_t iFRAME=0;
318 Int_t iHALL=0;
319 Int_t iITS=0;
320 Int_t iMAG=0;
321 Int_t iMUON=0;
322 Int_t iPHOS=0;
323 Int_t iPIPE=0;
324 Int_t iPMD=0;
325 Int_t iHMPID=0;
326 Int_t iSHIL=0;
327 Int_t iT0=0;
328 Int_t iTOF=0;
329 Int_t iTPC=0;
330 Int_t iTRD=0;
331 Int_t iZDC=0;
332
333 //=================== Alice BODY parameters =============================
334 AliBODY *BODY = new AliBODY("BODY","Alice envelop");
335
336 if(iMAG) {
337 //=================== MAG parameters ============================
338 // --- Start with Magnet since detector layouts may be depending ---
339 // --- on the selected Magnet dimensions ---
340 AliMAG *MAG = new AliMAG("MAG","Magnet");
341 }
342
343
344 if(iABSO) {
345 //=================== ABSO parameters ============================
346 AliABSO *ABSO = new AliABSOv3("ABSO","Muon Absorber");
347 }
348
349 if(iDIPO) {
350 //=================== DIPO parameters ============================
351
352 AliDIPO *DIPO = new AliDIPOv3("DIPO","Dipole version 3");
353 }
354
355 if(iHALL) {
356 //=================== HALL parameters ============================
357
358 AliHALL *HALL = new AliHALLv3("HALL","Alice Hall");
359 }
360
361
362 if(iFRAME) {
363 //=================== FRAME parameters ============================
364
365 AliFRAME *FRAME = new AliFRAMEv2("FRAME","Space Frame");
366 FRAME->SetHoles(1);
367 }
368
369 if(iSHIL) {
370 //=================== SHIL parameters ============================
371
372 AliSHIL *SHIL = new AliSHILv3("SHIL","Shielding");
373 }
374
375
376 if(iPIPE) {
377 //=================== PIPE parameters ============================
378
379 AliPIPE *PIPE = new AliPIPEv3("PIPE","Beam Pipe");
380 }
381
382
383 if(iITS) {
384 //=================== ITS parameters ============================
385
386 AliITS *ITS = new AliITSv11("ITS","ITS v11");
387 }
388
389
390 if(iTPC) {
391 //============================ TPC parameters ===================
392 AliTPC *TPC = new AliTPCv2("TPC","Default");
393 }
394
395
396 if(iTOF) {
397 //=================== TOF parameters ============================
398 AliTOF *TOF = new AliTOFv6T0("TOF","normal TOF");
399 }
400
401 if(iHMPID) {
402 //=================== HMPID parameters ===========================
403 AliHMPID *HMPID = new AliHMPIDv3("HMPID","normal HMPID");
404
405 }
406
407
408 if(iZDC) {
409 //=================== ZDC parameters ============================
410
411 AliZDC *ZDC = new AliZDCv3("ZDC","normal ZDC");
412 }
413
414 if(iACORDE) {
415 //=================== ACORDE parameters ============================
416
417 AliACORDE *ACORDE = new AliACORDEv1("ACORDE","normal ACORDE");
418 }
419
420 if(iTRD) {
421 //=================== TRD parameters ============================
422
423 AliTRD *TRD = new AliTRDv1("TRD","TRD slow simulator");
424 }
425
426 if(iFMD) {
427 //=================== FMD parameters ============================
428
429 AliFMD *FMD = new AliFMDv0("FMD","normal FMD");
430 }
431
432 if(iMUON) {
433 //=================== MUON parameters ===========================
434 AliMUON *MUON = new AliMUONv1("MUON","default");
435 }
436
437 //=================== PHOS parameters ===========================
438
439 if(iPHOS) {
440 AliPHOS *PHOS = new AliPHOSv1("PHOS","GPS2");
441 }
442
443
444 //=================== ACORDE parameters ===========================
445
446 if(iACORDE) {
447 AliACORDE *ACORDE = new AliACORDEv1("ACORDE","Normal ACORDEGPS2");
448 }
449
450
451 if(iPMD) {
452 //=================== PMD parameters ============================
453
454 AliPMD *PMD = new AliPMDv1("PMD","normal PMD");
455 PMD->SetPAR(1., 1., 0.8, 0.02);
456 PMD->SetIN(6., 18., -580., 27., 27.);
457 PMD->SetGEO(0.0, 0.2, 4.);
458 PMD->SetPadSize(0.8, 1.0, 1.0, 1.5);
459
460 }
461
462 if(iT0) {
463 //=================== T0 parameters ============================
464 AliT0 *T0 = new AliT0v1("T0","T0 Detector");
465 }
466
467
468}
469//
470// PYTHIA
471//
472AliGenPythia *PythiaHVQ(ProcessHvFl_t proc) {
473
474 AliGenPythia * gener = 0x0;
475
476 switch(proc) {
477 case kCharmPbPb5500:
478 comment = comment.Append(" Charm in Pb-Pb at 5.5 TeV");
479 gener = new AliGenPythia(nEvts);
480 gener->SetProcess(kPyCharmPbPbMNR);
481 gener->SetStrucFunc(kCTEQ4L);
482 gener->SetPtHard(2.1,-1.0);
483 gener->SetEnergyCMS(5500.);
484 gener->SetNuclei(208,208);
485 break;
486 case kCharmpPb8800:
487 comment = comment.Append(" Charm in p-Pb at 8.8 TeV");
488 gener = new AliGenPythia(nEvts);
489 gener->SetProcess(kPyCharmpPbMNR);
490 gener->SetStrucFunc(kCTEQ4L);
491 gener->SetPtHard(2.1,-1.0);
492 gener->SetEnergyCMS(8800.);
493 gener->SetProjectile("P",1,1);
494 gener->SetTarget("Pb",208,82);
495 break;
496 case kCharmpp14000:
497 comment = comment.Append(" Charm in pp at 14 TeV");
498 gener = new AliGenPythia(nEvts);
499 gener->SetProcess(kPyCharmppMNR);
500 gener->SetStrucFunc(kCTEQ4L);
501 gener->SetPtHard(2.1,-1.0);
502 gener->SetEnergyCMS(14000.);
503 break;
504 case kCharmpp14000wmi:
505 comment = comment.Append(" Charm in pp at 14 TeV with mult. interactions");
506 gener = new AliGenPythia(-1);
507 gener->SetProcess(kPyCharmppMNRwmi);
508 gener->SetStrucFunc(kCTEQ5L);
509 gener->SetPtHard(ptHardMin,ptHardMax);
510 gener->SetEnergyCMS(14000.);
511 break;
512 case kCharmSemiElpp14000wmi:
513 comment = comment.Append(" Charm in pp at 14 TeV with mult. interactions");
514 gener = new AliGenPythia(-1);
515 gener->SetProcess(kPyCharmppMNRwmi);
516 gener->SetStrucFunc(kCTEQ5L);
517 gener->SetPtHard(ptHardMin,ptHardMax);
518 gener->SetEnergyCMS(14000.);
519 gener->SetCutOnChild(1);
520 gener->SetPdgCodeParticleforAcceptanceCut(11);
521 gener->SetChildYRange(-1,1);
522 gener->SetChildPtRange(1,10000.);
523 break;
524 case kD0PbPb5500:
525 comment = comment.Append(" D0 in Pb-Pb at 5.5 TeV");
526 gener = new AliGenPythia(nEvts);
527 gener->SetProcess(kPyD0PbPbMNR);
528 gener->SetStrucFunc(kCTEQ4L);
529 gener->SetPtHard(2.1,-1.0);
530 gener->SetEnergyCMS(5500.);
531 gener->SetNuclei(208,208);
532 break;
533 case kD0pPb8800:
534 comment = comment.Append(" D0 in p-Pb at 8.8 TeV");
535 gener = new AliGenPythia(nEvts);
536 gener->SetProcess(kPyD0pPbMNR);
537 gener->SetStrucFunc(kCTEQ4L);
538 gener->SetPtHard(2.1,-1.0);
539 gener->SetEnergyCMS(8800.);
540 gener->SetProjectile("P",1,1);
541 gener->SetTarget("Pb",208,82);
542 break;
543 case kD0pp14000:
544 comment = comment.Append(" D0 in pp at 14 TeV");
545 gener = new AliGenPythia(nEvts);
546 gener->SetProcess(kPyD0ppMNR);
547 gener->SetStrucFunc(kCTEQ4L);
548 gener->SetPtHard(2.1,-1.0);
549 gener->SetEnergyCMS(14000.);
550 break;
551 case kDPlusPbPb5500:
552 comment = comment.Append(" DPlus in Pb-Pb at 5.5 TeV");
553 gener = new AliGenPythia(nEvts);
554 gener->SetProcess(kPyDPlusPbPbMNR);
555 gener->SetStrucFunc(kCTEQ4L);
556 gener->SetPtHard(2.1,-1.0);
557 gener->SetEnergyCMS(5500.);
558 gener->SetNuclei(208,208);
559 break;
560 case kDPluspPb8800:
561 comment = comment.Append(" DPlus in p-Pb at 8.8 TeV");
562 gener = new AliGenPythia(nEvts);
563 gener->SetProcess(kPyDPluspPbMNR);
564 gener->SetStrucFunc(kCTEQ4L);
565 gener->SetPtHard(2.1,-1.0);
566 gener->SetEnergyCMS(8800.);
567 gener->SetProjectile("P",1,1);
568 gener->SetTarget("Pb",208,82);
569 break;
570 case kDPluspp14000:
571 comment = comment.Append(" DPlus in pp at 14 TeV");
572 gener = new AliGenPythia(nEvts);
573 gener->SetProcess(kPyDPlusppMNR);
574 gener->SetStrucFunc(kCTEQ4L);
575 gener->SetPtHard(2.1,-1.0);
576 gener->SetEnergyCMS(14000.);
577 break;
578 case kDPlusStrangePbPb5500:
579 comment = comment.Append(" DPlusStrange in Pb-Pb at 5.5 TeV");
580 gener = new AliGenPythia(nEvts);
581 gener->SetProcess(kPyDPlusStrangePbPbMNR);
582 gener->SetStrucFunc(kCTEQ4L);
583 gener->SetPtHard(2.1,-1.0);
584 gener->SetEnergyCMS(5500.);
585 gener->SetNuclei(208,208);
586 break;
587 case kDPlusStrangepPb8800:
588 comment = comment.Append(" DPlusStrange in p-Pb at 8.8 TeV");
589 gener = new AliGenPythia(nEvts);
590 gener->SetProcess(kPyDPlusStrangepPbMNR);
591 gener->SetStrucFunc(kCTEQ4L);
592 gener->SetPtHard(2.1,-1.0);
593 gener->SetEnergyCMS(8800.);
594 gener->SetProjectile("P",1,1);
595 gener->SetTarget("Pb",208,82);
596 break;
597 case kDPlusStrangepp14000:
598 comment = comment.Append(" DPlusStrange in pp at 14 TeV");
599 gener = new AliGenPythia(nEvts);
600 gener->SetProcess(kPyDPlusStrangeppMNR);
601 gener->SetStrucFunc(kCTEQ4L);
602 gener->SetPtHard(2.1,-1.0);
603 gener->SetEnergyCMS(14000.);
604 break;
605 case kBeautyPbPb5500:
606 comment = comment.Append(" Beauty in Pb-Pb at 5.5 TeV");
607 gener = new AliGenPythia(nEvts);
608 gener->SetProcess(kPyBeautyPbPbMNR);
609 gener->SetStrucFunc(kCTEQ4L);
610 gener->SetPtHard(2.75,-1.0);
611 gener->SetEnergyCMS(5500.);
612 gener->SetNuclei(208,208);
613 break;
614 case kBeautypPb8800:
615 comment = comment.Append(" Beauty in p-Pb at 8.8 TeV");
616 gener = new AliGenPythia(nEvts);
617 gener->SetProcess(kPyBeautypPbMNR);
618 gener->SetStrucFunc(kCTEQ4L);
619 gener->SetPtHard(2.75,-1.0);
620 gener->SetEnergyCMS(8800.);
621 gener->SetProjectile("P",1,1);
622 gener->SetTarget("Pb",208,82);
623 break;
624 case kBeautypp14000:
625 comment = comment.Append(" Beauty in pp at 14 TeV");
626 gener = new AliGenPythia(nEvts);
627 gener->SetProcess(kPyBeautyppMNR);
628 gener->SetStrucFunc(kCTEQ4L);
629 gener->SetPtHard(2.75,-1.0);
630 gener->SetEnergyCMS(14000.);
631 break;
632 case kBeautypp14000wmi:
633 comment = comment.Append(" Beauty in pp at 14 TeV with mult. interactions");
634 gener = new AliGenPythia(-1);
635 gener->SetProcess(kPyBeautyppMNRwmi);
636 gener->SetStrucFunc(kCTEQ5L);
637 gener->SetPtHard(ptHardMin,ptHardMax);
638 gener->SetEnergyCMS(14000.);
639 break;
640 case kBeautySemiElpp14000wmi:
641 comment = comment.Append(" Beauty in pp at 14 TeV with mult. interactions");
642 gener = new AliGenPythia(-1);
643 gener->SetProcess(kPyBeautyppMNRwmi);
644 gener->SetStrucFunc(kCTEQ5L);
645 gener->SetPtHard(ptHardMin,ptHardMax);
646 gener->SetEnergyCMS(14000.);
647 gener->SetCutOnChild(1);
648 gener->SetPdgCodeParticleforAcceptanceCut(11);
649 gener->SetChildYRange(-1,1);
650 gener->SetChildPtRange(1,10000.);
651 break;
652 }
653
654 return gener;
655}
656
657
658
659void LoadPythia()
660{
661 // Load Pythia related libraries
662 gSystem->Load("liblhapdf.so"); // Parton density functions
663 gSystem->Load("libEGPythia6.so"); // TGenerator interface
664 gSystem->Load("libpythia6.so"); // Pythia
665 gSystem->Load("libAliPythia6.so"); // ALICE specific implementations
666}
667
668
669