1 //*******************************************************************//
2 // Configuration file for charm / beauty generation with PYTHIA //
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. //
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>
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/AliMagFMaps.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/AliITSv11Hybrid.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"
49 //--- Heavy Flavour Production ---
52 kCharmPbPb5500, kCharmpPb8800, kCharmpp14000, kCharmpp14000wmi,
53 kD0PbPb5500, kD0pPb8800, kD0pp14000,
54 kDPlusPbPb5500, kDPluspPb8800, kDPluspp14000,
55 kDPlusStrangePbPb5500, kDPlusStrangepPb8800, kDPlusStrangepp14000,
56 kBeautyPbPb5500, kBeautypPb8800, kBeautypp14000, kBeautypp14000wmi
61 kNature, kHadr, kSemiEl, kSemiMu
63 //--- Rapidity Cut ---
66 kFull, kBarrel, kMuonArm
68 //--- Magnetic Field ---
73 //--- Trigger config ---
76 kDefaultPPTrig, kDefaultPbPbTrig
78 const char * TrigConfName[] = {
88 AliGenPythia *PythiaHVQ(ProcessHvFl_t proc);
92 // This part for configuration
93 static ProcessHvFl_t procHvFl = kCharmPbPb5500;
94 static DecayHvFl_t decHvFl = kNature;
95 static YCut_t ycut = kFull;
96 static Mag_t mag = k5kG;
97 static TrigConf_t trig = kDefaultPbPbTrig; // default PbPb trigger configuration
98 static PprGeo_t geo = kHoles;
99 // nEvts = -1 : you get 1 QQbar pair and all the fragmentation and
101 // nEvts = N>0 : you get N charm / beauty Hadrons
103 // stars = kTRUE : all heavy resonances and their decay stored
104 // = kFALSE: only final heavy hadrons and their decays stored
105 Bool_t stars = kTRUE;
107 // To be used only with kCharmppMNRwmi and kBeautyppMNRwmi
108 // To get a "reasonable" agreement with MNR results, events have to be
109 // generated with the minimum ptHard set to 2.76 GeV.
110 // To get a "perfect" agreement with MNR results, events have to be
111 // generated in four ptHard bins with the following relative
123 Float_t ptHardMin = 2.76;
124 Float_t ptHardMax = -1.;
128 static TString comment;
133 //========================//
134 // Set Random Number seed //
135 //========================//
137 UInt_t curtime=dt.Get();
138 UInt_t procid=gSystem->GetPid();
139 UInt_t seed=curtime-procid;
141 // gRandom->SetSeed(seed);
142 // cerr<<"Seed for random number generation= "<<seed<<endl;
143 gRandom->SetSeed(12345);
145 // Load Pythia libraries
147 // libraries required by geant321
148 #if defined(__CINT__)
149 gSystem->Load("libgeant321");
152 new TGeant3TGeo("C++ Interface to Geant3");
154 if(!AliCDBManager::Instance()->IsDefaultStorageSet()){
155 AliCDBManager::Instance()->SetDefaultStorage("local://$ALICE_ROOT");
156 AliCDBManager::Instance()->SetRun(0);
159 //=======================================================================
160 // Create the output file
163 AliRunLoader* rl=0x0;
165 cout<<"Config.C: Creating Run Loader ..."<<endl;
166 rl = AliRunLoader::Open("galice.root",
167 AliConfig::GetDefaultEventFolderName(),
171 gAlice->Fatal("Config.C","Can not instatiate the Run Loader");
174 rl->SetCompressionLevel(2);
175 rl->SetNumberOfEventsPerFile(3);
176 gAlice->SetRunLoader(rl);
177 // gAlice->SetGeometryFromFile("geometry.root");
178 // gAlice->SetGeometryFromCDB();
180 // Set the trigger configuration
181 gAlice->SetTriggerDescriptor(TrigConfName[trig]);
182 cout<<"Trigger configuration is set to "<<TrigConfName[trig]<<endl;
185 //=======================================================================
186 // ************* STEERING parameters FOR ALICE SIMULATION **************
187 // --- Specify event type to be tracked through the ALICE setup
188 // --- All positions are in cm, angles in degrees, and P and E in GeV
191 gMC->SetProcess("DCAY",1);
192 gMC->SetProcess("PAIR",1);
193 gMC->SetProcess("COMP",1);
194 gMC->SetProcess("PHOT",1);
195 gMC->SetProcess("PFIS",0);
196 gMC->SetProcess("DRAY",0);
197 gMC->SetProcess("ANNI",1);
198 gMC->SetProcess("BREM",1);
199 gMC->SetProcess("MUNU",1);
200 gMC->SetProcess("CKOV",1);
201 gMC->SetProcess("HADR",1);
202 gMC->SetProcess("LOSS",2);
203 gMC->SetProcess("MULS",1);
204 gMC->SetProcess("RAYL",1);
206 Float_t cut = 1.e-3; // 1MeV cut by default
207 Float_t tofmax = 1.e10;
209 gMC->SetCut("CUTGAM", cut);
210 gMC->SetCut("CUTELE", cut);
211 gMC->SetCut("CUTNEU", cut);
212 gMC->SetCut("CUTHAD", cut);
213 gMC->SetCut("CUTMUO", cut);
214 gMC->SetCut("BCUTE", cut);
215 gMC->SetCut("BCUTM", cut);
216 gMC->SetCut("DCUTE", cut);
217 gMC->SetCut("DCUTM", cut);
218 gMC->SetCut("PPCUTM", cut);
219 gMC->SetCut("TOFMAX", tofmax);
224 // Set External decayer //
225 //======================//
226 TVirtualMCDecayer* decayer = new AliDecayerPythia();
231 decayer->SetForceDecay(kAll);
234 decayer->SetForceDecay(kHadronicD);
237 decayer->SetForceDecay(kSemiElectronic);
240 decayer->SetForceDecay(kSemiMuonic);
244 gMC->SetExternalDecayer(decayer);
246 //=========================//
247 // Generator Configuration //
248 //=========================//
249 AliGenPythia *pythia = PythiaHVQ(procHvFl);
251 pythia->SetFeedDownHigherFamily(kFALSE);
252 // Stack filling option
253 if(!stars) pythia->SetStackFillOpt(AliGenPythia::kParentSelection);
255 if(nEvts>0) pythia->SetCountMode(AliGenPythia::kCountParents);
260 pythia->SetForceDecay(kAll);
263 pythia->SetForceDecay(kHadronicD);
266 pythia->SetForceDecay(kSemiElectronic);
269 pythia->SetForceDecay(kSemiMuonic);
274 pythia->SetMomentumRange(0,99999999);
275 pythia->SetPhiRange(0., 360.);
276 pythia->SetThetaRange(0,180);
279 pythia->SetYRange(-999,999);
282 pythia->SetYRange(-2,2);
285 pythia->SetYRange(1,6);
291 pythia->SetOrigin(0, 0, 0); // vertex position
292 pythia->SetSigma(0, 0, 5.3); // Sigma in (X,Y,Z) (cm) on IP position
293 pythia->SetCutVertexZ(1.); // Truncate at 1 sigma
294 pythia->SetVertexSmear(kPerEvent);
298 pythia->SetTrackingFlag(0);
299 // Specify GEANT tracking limits (Rmax, Zmax)
300 //gAlice->GetMCApp()->TrackingLimits(90.,1.0e10);
308 comment = comment.Append(" | L3 field 0.2 T");
309 } else if (mag == k4kG) {
310 comment = comment.Append(" | L3 field 0.4 T");
311 } else if (mag == k5kG) {
312 comment = comment.Append(" | L3 field 0.5 T");
314 printf("\n \n Comment: %s \n \n", comment.Data());
316 AliMagFMaps* field = new AliMagFMaps("Maps","Maps", 2, 1., 10., mag);
317 field->SetL3ConstField(0); //Using const. field in the barrel
319 gAlice->SetField(field);
322 // By default all ALICE is switched off
343 //=================== Alice BODY parameters =============================
344 AliBODY *BODY = new AliBODY("BODY","Alice envelop");
347 //=================== MAG parameters ============================
348 // --- Start with Magnet since detector layouts may be depending ---
349 // --- on the selected Magnet dimensions ---
350 AliMAG *MAG = new AliMAG("MAG","Magnet");
355 //=================== ABSO parameters ============================
356 AliABSO *ABSO = new AliABSOv3("ABSO","Muon Absorber");
360 //=================== DIPO parameters ============================
362 AliDIPO *DIPO = new AliDIPOv3("DIPO","Dipole version 3");
366 //=================== HALL parameters ============================
368 AliHALL *HALL = new AliHALLv3("HALL","Alice Hall");
373 //=================== FRAME parameters ============================
375 AliFRAME *FRAME = new AliFRAMEv2("FRAME","Space Frame");
385 //=================== SHIL parameters ============================
387 AliSHIL *SHIL = new AliSHILv3("SHIL","Shielding");
392 //=================== PIPE parameters ============================
394 AliPIPE *PIPE = new AliPIPEv3("PIPE","Beam Pipe");
399 //=================== ITS parameters ============================
401 AliITS *ITS = new AliITSv11Hybrid("ITS","ITS v11Hybrid");
406 //============================ TPC parameters ===================
407 AliTPC *TPC = new AliTPCv2("TPC","Default");
412 //=================== TOF parameters ============================
413 AliTOF *TOF = new AliTOFv6T0("TOF","normal TOF");
417 //=================== HMPID parameters ===========================
418 AliHMPID *HMPID = new AliHMPIDv3("HMPID","normal HMPID");
424 //=================== ZDC parameters ============================
426 AliZDC *ZDC = new AliZDCv3("ZDC","normal ZDC");
430 //=================== ACORDE parameters ============================
432 AliACORDE *ACORDE = new AliACORDEv1("ACORDE","normal ACORDE");
436 //=================== TRD parameters ============================
438 AliTRD *TRD = new AliTRDv1("TRD","TRD slow simulator");
442 //=================== FMD parameters ============================
444 AliFMD *FMD = new AliFMDv0("FMD","normal FMD");
448 //=================== MUON parameters ===========================
449 AliMUON *MUON = new AliMUONv1("MUON","default");
452 //=================== PHOS parameters ===========================
455 AliPHOS *PHOS = new AliPHOSv1("PHOS","GPS2");
459 //=================== ACORDE parameters ===========================
462 AliACORDE *ACORDE = new AliACORDEv1("ACORDE","Normal ACORDEGPS2");
467 //=================== PMD parameters ============================
469 AliPMD *PMD = new AliPMDv1("PMD","normal PMD");
470 PMD->SetPAR(1., 1., 0.8, 0.02);
471 PMD->SetIN(6., 18., -580., 27., 27.);
472 PMD->SetGEO(0.0, 0.2, 4.);
473 PMD->SetPadSize(0.8, 1.0, 1.0, 1.5);
478 //=================== T0 parameters ============================
479 AliT0 *T0 = new AliT0v1("T0","T0 Detector");
487 AliGenPythia *PythiaHVQ(ProcessHvFl_t proc) {
489 AliGenPythia * gener = 0x0;
493 comment = comment.Append(" Charm in Pb-Pb at 5.5 TeV");
494 gener = new AliGenPythia(nEvts);
495 gener->SetProcess(kPyCharmPbPbMNR);
496 gener->SetStrucFunc(kCTEQ4L);
497 gener->SetPtHard(2.1,-1.0);
498 gener->SetEnergyCMS(5500.);
499 gener->SetNuclei(208,208);
502 comment = comment.Append(" Charm in p-Pb at 8.8 TeV");
503 gener = new AliGenPythia(nEvts);
504 gener->SetProcess(kPyCharmpPbMNR);
505 gener->SetStrucFunc(kCTEQ4L);
506 gener->SetPtHard(2.1,-1.0);
507 gener->SetEnergyCMS(8800.);
508 gener->SetProjectile("P",1,1);
509 gener->SetTarget("Pb",208,82);
512 comment = comment.Append(" Charm in pp at 14 TeV");
513 gener = new AliGenPythia(nEvts);
514 gener->SetProcess(kPyCharmppMNR);
515 gener->SetStrucFunc(kCTEQ4L);
516 gener->SetPtHard(2.1,-1.0);
517 gener->SetEnergyCMS(14000.);
519 case kCharmpp14000wmi:
520 comment = comment.Append(" Charm in pp at 14 TeV with mult. interactions");
521 gener = new AliGenPythia(-1);
522 gener->SetProcess(kPyCharmppMNRwmi);
523 gener->SetStrucFunc(kCTEQ5L);
524 gener->SetPtHard(ptHardMin,ptHardMax);
525 gener->SetEnergyCMS(14000.);
528 comment = comment.Append(" D0 in Pb-Pb at 5.5 TeV");
529 gener = new AliGenPythia(nEvts);
530 gener->SetProcess(kPyD0PbPbMNR);
531 gener->SetStrucFunc(kCTEQ4L);
532 gener->SetPtHard(2.1,-1.0);
533 gener->SetEnergyCMS(5500.);
534 gener->SetNuclei(208,208);
537 comment = comment.Append(" D0 in p-Pb at 8.8 TeV");
538 gener = new AliGenPythia(nEvts);
539 gener->SetProcess(kPyD0pPbMNR);
540 gener->SetStrucFunc(kCTEQ4L);
541 gener->SetPtHard(2.1,-1.0);
542 gener->SetEnergyCMS(8800.);
543 gener->SetProjectile("P",1,1);
544 gener->SetTarget("Pb",208,82);
547 comment = comment.Append(" D0 in pp at 14 TeV");
548 gener = new AliGenPythia(nEvts);
549 gener->SetProcess(kPyD0ppMNR);
550 gener->SetStrucFunc(kCTEQ4L);
551 gener->SetPtHard(2.1,-1.0);
552 gener->SetEnergyCMS(14000.);
555 comment = comment.Append(" DPlus in Pb-Pb at 5.5 TeV");
556 gener = new AliGenPythia(nEvts);
557 gener->SetProcess(kPyDPlusPbPbMNR);
558 gener->SetStrucFunc(kCTEQ4L);
559 gener->SetPtHard(2.1,-1.0);
560 gener->SetEnergyCMS(5500.);
561 gener->SetNuclei(208,208);
564 comment = comment.Append(" DPlus in p-Pb at 8.8 TeV");
565 gener = new AliGenPythia(nEvts);
566 gener->SetProcess(kPyDPluspPbMNR);
567 gener->SetStrucFunc(kCTEQ4L);
568 gener->SetPtHard(2.1,-1.0);
569 gener->SetEnergyCMS(8800.);
570 gener->SetProjectile("P",1,1);
571 gener->SetTarget("Pb",208,82);
574 comment = comment.Append(" DPlus in pp at 14 TeV");
575 gener = new AliGenPythia(nEvts);
576 gener->SetProcess(kPyDPlusppMNR);
577 gener->SetStrucFunc(kCTEQ4L);
578 gener->SetPtHard(2.1,-1.0);
579 gener->SetEnergyCMS(14000.);
581 case kDPlusStrangePbPb5500:
582 comment = comment.Append(" DPlusStrange in Pb-Pb at 5.5 TeV");
583 gener = new AliGenPythia(nEvts);
584 gener->SetProcess(kPyDPlusStrangePbPbMNR);
585 gener->SetStrucFunc(kCTEQ4L);
586 gener->SetPtHard(2.1,-1.0);
587 gener->SetEnergyCMS(5500.);
588 gener->SetNuclei(208,208);
590 case kDPlusStrangepPb8800:
591 comment = comment.Append(" DPlusStrange in p-Pb at 8.8 TeV");
592 gener = new AliGenPythia(nEvts);
593 gener->SetProcess(kPyDPlusStrangepPbMNR);
594 gener->SetStrucFunc(kCTEQ4L);
595 gener->SetPtHard(2.1,-1.0);
596 gener->SetEnergyCMS(8800.);
597 gener->SetProjectile("P",1,1);
598 gener->SetTarget("Pb",208,82);
600 case kDPlusStrangepp14000:
601 comment = comment.Append(" DPlusStrange in pp at 14 TeV");
602 gener = new AliGenPythia(nEvts);
603 gener->SetProcess(kPyDPlusStrangeppMNR);
604 gener->SetStrucFunc(kCTEQ4L);
605 gener->SetPtHard(2.1,-1.0);
606 gener->SetEnergyCMS(14000.);
608 case kBeautyPbPb5500:
609 comment = comment.Append(" Beauty in Pb-Pb at 5.5 TeV");
610 gener = new AliGenPythia(nEvts);
611 gener->SetProcess(kPyBeautyPbPbMNR);
612 gener->SetStrucFunc(kCTEQ4L);
613 gener->SetPtHard(2.75,-1.0);
614 gener->SetEnergyCMS(5500.);
615 gener->SetNuclei(208,208);
618 comment = comment.Append(" Beauty in p-Pb at 8.8 TeV");
619 gener = new AliGenPythia(nEvts);
620 gener->SetProcess(kPyBeautypPbMNR);
621 gener->SetStrucFunc(kCTEQ4L);
622 gener->SetPtHard(2.75,-1.0);
623 gener->SetEnergyCMS(8800.);
624 gener->SetProjectile("P",1,1);
625 gener->SetTarget("Pb",208,82);
628 comment = comment.Append(" Beauty in pp at 14 TeV");
629 gener = new AliGenPythia(nEvts);
630 gener->SetProcess(kPyBeautyppMNR);
631 gener->SetStrucFunc(kCTEQ4L);
632 gener->SetPtHard(2.75,-1.0);
633 gener->SetEnergyCMS(14000.);
635 case kBeautypp14000wmi:
636 comment = comment.Append(" Beauty in pp at 14 TeV with mult. interactions");
637 gener = new AliGenPythia(-1);
638 gener->SetProcess(kPyBeautyppMNRwmi);
639 gener->SetStrucFunc(kCTEQ5L);
640 gener->SetPtHard(ptHardMin,ptHardMax);
641 gener->SetEnergyCMS(14000.);
652 // Load Pythia related libraries
653 gSystem->Load("liblhapdf.so"); // Parton density functions
654 gSystem->Load("libEGPythia6.so"); // TGenerator interface
655 gSystem->Load("libpythia6.so"); // Pythia
656 gSystem->Load("libAliPythia6.so"); // ALICE specific implementations