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/AliITSvPPRasymmFMD.h"
36 #include "TPC/AliTPCv2.h"
37 #include "TOF/AliTOFv6T0.h"
38 #include "HMPID/AliHMPIDv2.h"
39 #include "ZDC/AliZDCv1.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[] = {
87 AliGenPythia *PythiaHVQ(ProcessHvFl_t proc);
90 // This part for configuration
91 static ProcessHvFl_t procHvFl = kCharmPbPb5500;
92 static DecayHvFl_t decHvFl = kNature;
93 static YCut_t ycut = kFull;
94 static Mag_t mag = k5kG;
95 static TrigConf_t trig = kDefaultPbPbTrig; // default PbPb trigger configuration
96 static PprGeo_t geo = kHoles;
97 // nEvts = -1 : you get 1 QQbar pair and all the fragmentation and
99 // nEvts = N>0 : you get N charm / beauty Hadrons
101 // stars = kTRUE : all heavy resonances and their decay stored
102 // = kFALSE: only final heavy hadrons and their decays stored
103 Bool_t stars = kTRUE;
105 // To be used only with kCharmppMNRwmi and kBeautyppMNRwmi
106 // To get a "reasonable" agreement with MNR results, events have to be
107 // generated with the minimum ptHard set to 2.76 GeV.
108 // To get a "perfect" agreement with MNR results, events have to be
109 // generated in four ptHard bins with the following relative
121 Float_t ptHardMin = 2.76;
122 Float_t ptHardMax = -1.;
126 static TString comment;
131 //========================//
132 // Set Random Number seed //
133 //========================//
135 UInt_t curtime=dt.Get();
136 UInt_t procid=gSystem->GetPid();
137 UInt_t seed=curtime-procid;
139 // gRandom->SetSeed(seed);
140 // cerr<<"Seed for random number generation= "<<seed<<endl;
141 gRandom->SetSeed(12345);
144 // libraries required by geant321
145 #if defined(__CINT__)
146 gSystem->Load("libgeant321");
149 new TGeant3TGeo("C++ Interface to Geant3");
151 if(!AliCDBManager::Instance()->IsDefaultStorageSet()){
152 AliCDBManager::Instance()->SetDefaultStorage("local://$ALICE_ROOT");
153 AliCDBManager::Instance()->SetRun(0);
156 //=======================================================================
157 // Create the output file
160 AliRunLoader* rl=0x0;
162 cout<<"Config.C: Creating Run Loader ..."<<endl;
163 rl = AliRunLoader::Open("galice.root",
164 AliConfig::GetDefaultEventFolderName(),
168 gAlice->Fatal("Config.C","Can not instatiate the Run Loader");
171 rl->SetCompressionLevel(2);
172 rl->SetNumberOfEventsPerFile(3);
173 gAlice->SetRunLoader(rl);
174 // gAlice->SetGeometryFromFile("geometry.root");
175 // gAlice->SetGeometryFromCDB();
177 // Set the trigger configuration
178 gAlice->SetTriggerDescriptor(TrigConfName[trig]);
179 cout<<"Trigger configuration is set to "<<TrigConfName[trig]<<endl;
182 //=======================================================================
183 // ************* STEERING parameters FOR ALICE SIMULATION **************
184 // --- Specify event type to be tracked through the ALICE setup
185 // --- All positions are in cm, angles in degrees, and P and E in GeV
188 gMC->SetProcess("DCAY",1);
189 gMC->SetProcess("PAIR",1);
190 gMC->SetProcess("COMP",1);
191 gMC->SetProcess("PHOT",1);
192 gMC->SetProcess("PFIS",0);
193 gMC->SetProcess("DRAY",0);
194 gMC->SetProcess("ANNI",1);
195 gMC->SetProcess("BREM",1);
196 gMC->SetProcess("MUNU",1);
197 gMC->SetProcess("CKOV",1);
198 gMC->SetProcess("HADR",1);
199 gMC->SetProcess("LOSS",2);
200 gMC->SetProcess("MULS",1);
201 gMC->SetProcess("RAYL",1);
203 Float_t cut = 1.e-3; // 1MeV cut by default
204 Float_t tofmax = 1.e10;
206 gMC->SetCut("CUTGAM", cut);
207 gMC->SetCut("CUTELE", cut);
208 gMC->SetCut("CUTNEU", cut);
209 gMC->SetCut("CUTHAD", cut);
210 gMC->SetCut("CUTMUO", cut);
211 gMC->SetCut("BCUTE", cut);
212 gMC->SetCut("BCUTM", cut);
213 gMC->SetCut("DCUTE", cut);
214 gMC->SetCut("DCUTM", cut);
215 gMC->SetCut("PPCUTM", cut);
216 gMC->SetCut("TOFMAX", tofmax);
221 // Set External decayer //
222 //======================//
223 TVirtualMCDecayer* decayer = new AliDecayerPythia();
228 decayer->SetForceDecay(kAll);
231 decayer->SetForceDecay(kHadronicD);
234 decayer->SetForceDecay(kSemiElectronic);
237 decayer->SetForceDecay(kSemiMuonic);
241 gMC->SetExternalDecayer(decayer);
243 //=========================//
244 // Generator Configuration //
245 //=========================//
246 AliGenPythia *pythia = PythiaHVQ(procHvFl);
248 pythia->SetFeedDownHigherFamily(kFALSE);
249 // Stack filling option
250 if(!stars) pythia->SetStackFillOpt(AliGenPythia::kParentSelection);
252 if(nEvts>0) pythia->SetCountMode(AliGenPythia::kCountParents);
257 pythia->SetForceDecay(kAll);
260 pythia->SetForceDecay(kHadronicD);
263 pythia->SetForceDecay(kSemiElectronic);
266 pythia->SetForceDecay(kSemiMuonic);
271 pythia->SetMomentumRange(0,99999999);
272 pythia->SetPhiRange(0., 360.);
273 pythia->SetThetaRange(0,180);
276 pythia->SetYRange(-999,999);
279 pythia->SetYRange(-2,2);
282 pythia->SetYRange(1,6);
288 pythia->SetOrigin(0, 0, 0); // vertex position
289 pythia->SetSigma(0, 0, 5.3); // Sigma in (X,Y,Z) (cm) on IP position
290 pythia->SetCutVertexZ(1.); // Truncate at 1 sigma
291 pythia->SetVertexSmear(kPerEvent);
295 pythia->SetTrackingFlag(0);
296 // Specify GEANT tracking limits (Rmax, Zmax)
297 //gAlice->GetMCApp()->TrackingLimits(90.,1.0e10);
305 comment = comment.Append(" | L3 field 0.2 T");
306 } else if (mag == k4kG) {
307 comment = comment.Append(" | L3 field 0.4 T");
308 } else if (mag == k5kG) {
309 comment = comment.Append(" | L3 field 0.5 T");
311 printf("\n \n Comment: %s \n \n", comment.Data());
313 AliMagFMaps* field = new AliMagFMaps("Maps","Maps", 2, 1., 10., mag);
314 field->SetL3ConstField(0); //Using const. field in the barrel
316 gAlice->SetField(field);
319 // By default all ALICE is switched off
340 //=================== Alice BODY parameters =============================
341 AliBODY *BODY = new AliBODY("BODY","Alice envelop");
344 //=================== MAG parameters ============================
345 // --- Start with Magnet since detector layouts may be depending ---
346 // --- on the selected Magnet dimensions ---
347 AliMAG *MAG = new AliMAG("MAG","Magnet");
352 //=================== ABSO parameters ============================
353 AliABSO *ABSO = new AliABSOv3("ABSO","Muon Absorber");
357 //=================== DIPO parameters ============================
359 AliDIPO *DIPO = new AliDIPOv3("DIPO","Dipole version 3");
363 //=================== HALL parameters ============================
365 AliHALL *HALL = new AliHALLv3("HALL","Alice Hall");
370 //=================== FRAME parameters ============================
372 AliFRAME *FRAME = new AliFRAMEv2("FRAME","Space Frame");
382 //=================== SHIL parameters ============================
384 AliSHIL *SHIL = new AliSHILv3("SHIL","Shielding");
389 //=================== PIPE parameters ============================
391 AliPIPE *PIPE = new AliPIPEv3("PIPE","Beam Pipe");
396 //=================== ITS parameters ============================
398 AliITSvPPRasymmFMD *ITS = new AliITSvPPRasymmFMD("ITS","New ITS PPR detailed version with asymmetric services");
403 //============================ TPC parameters ===================
404 AliTPC *TPC = new AliTPCv2("TPC","Default");
409 //=================== TOF parameters ============================
410 AliTOF *TOF = new AliTOFv6T0("TOF","normal TOF");
414 //=================== HMPID parameters ===========================
415 AliHMPID *HMPID = new AliHMPIDv2("HMPID","normal HMPID");
421 //=================== ZDC parameters ============================
423 AliZDC *ZDC = new AliZDCv1("ZDC","normal ZDC");
427 //=================== ACORDE parameters ============================
429 AliACORDE *ACORDE = new AliACORDEv1("ACORDE","normal ACORDE");
433 //=================== TRD parameters ============================
435 AliTRD *TRD = new AliTRDv1("TRD","TRD slow simulator");
439 //=================== FMD parameters ============================
441 AliFMD *FMD = new AliFMDv0("FMD","normal FMD");
445 //=================== MUON parameters ===========================
446 AliMUON *MUON = new AliMUONv1("MUON","default");
449 //=================== PHOS parameters ===========================
452 AliPHOS *PHOS = new AliPHOSv1("PHOS","GPS2");
456 //=================== ACORDE parameters ===========================
459 AliACORDE *ACORDE = new AliACORDEv1("ACORDE","Normal ACORDEGPS2");
464 //=================== PMD parameters ============================
466 AliPMD *PMD = new AliPMDv1("PMD","normal PMD");
467 PMD->SetPAR(1., 1., 0.8, 0.02);
468 PMD->SetIN(6., 18., -580., 27., 27.);
469 PMD->SetGEO(0.0, 0.2, 4.);
470 PMD->SetPadSize(0.8, 1.0, 1.0, 1.5);
475 //=================== T0 parameters ============================
476 AliT0 *T0 = new AliT0v1("T0","T0 Detector");
484 AliGenPythia *PythiaHVQ(ProcessHvFl_t proc) {
486 AliGenPythia * gener = 0x0;
490 comment = comment.Append(" Charm in Pb-Pb at 5.5 TeV");
491 gener = new AliGenPythia(nEvts);
492 gener->SetProcess(kPyCharmPbPbMNR);
493 gener->SetStrucFunc(kCTEQ4L);
494 gener->SetPtHard(2.1,-1.0);
495 gener->SetEnergyCMS(5500.);
496 gener->SetNuclei(208,208);
499 comment = comment.Append(" Charm in p-Pb at 8.8 TeV");
500 gener = new AliGenPythia(nEvts);
501 gener->SetProcess(kPyCharmpPbMNR);
502 gener->SetStrucFunc(kCTEQ4L);
503 gener->SetPtHard(2.1,-1.0);
504 gener->SetEnergyCMS(8800.);
505 gener->SetProjectile("P",1,1);
506 gener->SetTarget("Pb",208,82);
509 comment = comment.Append(" Charm in pp at 14 TeV");
510 gener = new AliGenPythia(nEvts);
511 gener->SetProcess(kPyCharmppMNR);
512 gener->SetStrucFunc(kCTEQ4L);
513 gener->SetPtHard(2.1,-1.0);
514 gener->SetEnergyCMS(14000.);
516 case kCharmpp14000wmi:
517 comment = comment.Append(" Charm in pp at 14 TeV with mult. interactions");
518 gener = new AliGenPythia(-1);
519 gener->SetProcess(kPyCharmppMNRwmi);
520 gener->SetStrucFunc(kCTEQ5L);
521 gener->SetPtHard(ptHardMin,ptHardMax);
522 gener->SetEnergyCMS(14000.);
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);
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);
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.);
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);
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);
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.);
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);
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);
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.);
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);
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);
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.);
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.);