2 // Configuration for the Physics Data Challenge 2006
5 // One can use the configuration macro in compiled mode by
6 // root [0] gSystem->Load("libgeant321");
7 // root [0] gSystem->SetIncludePath("-I$ROOTSYS/include -I$ALICE_ROOT/include\
8 // -I$ALICE_ROOT -I$ALICE/geant3/TGeant3");
9 // root [0] .x grun.C(1,"Config_PDC06.C++")
11 #if !defined(__CINT__) || defined(__MAKECINT__)
12 #include <Riostream.h>
16 #include <TVirtualMC.h>
17 #include <TGeant3TGeo.h>
18 #include "EVGEN/AliGenCocktail.h"
19 #include "EVGEN/AliGenParam.h"
20 #include "EVGEN/AliGenMUONlib.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/AliITSgeom.h"
36 #include "ITS/AliITSv11Hybrid.h"
37 #include "TPC/AliTPCv2.h"
38 #include "TOF/AliTOFv6T0.h"
39 #include "HMPID/AliHMPIDv3.h"
40 #include "ZDC/AliZDCv3.h"
41 #include "TRD/AliTRDv1.h"
42 #include "FMD/AliFMDv1.h"
43 #include "MUON/AliMUONv1.h"
44 #include "PHOS/AliPHOSv1.h"
45 #include "PMD/AliPMDv1.h"
46 #include "T0/AliT0v1.h"
47 #include "EMCAL/AliEMCALv2.h"
48 #include "ACORDE/AliACORDEv1.h"
49 #include "VZERO/AliVZEROv7.h"
55 //--- Heavy Flavour Production ---
56 kCharmPbPb5500, kCharmpPb8800, kCharmpp14000, kCharmpp14000wmi,
57 kD0PbPb5500, kD0pPb8800, kD0pp14000,
58 kDPlusPbPb5500, kDPluspPb8800, kDPluspp14000,
59 kBeautyPbPb5500, kBeautypPb8800, kBeautypp14000, kBeautypp14000wmi,
61 kPyMbNoHvq, kPyOmegaPlus, kPyOmegaMinus, kRunMax
64 const char * pprRunName[] = {
65 "kCharmPbPb5500", "kCharmpPb8800", "kCharmpp14000", "kCharmpp14000wmi",
66 "kD0PbPb5500", "kD0pPb8800", "kD0pp14000",
67 "kDPlusPbPb5500", "kDPluspPb8800", "kDPluspp14000",
68 "kBeautyPbPb5500", "kBeautypPb8800", "kBeautypp14000", "kBeautypp14000wmi",
69 "kPyMbNoHvq", "kPyOmegaPlus", "kPyOmegaMinus"
76 kNature, kHadr, kSemiEl, kSemiMu
78 //--- Rapidity Cut ---
81 kFull, kBarrel, kMuonArm
83 //--- Trigger config ---
86 kDefaultPPTrig, kDefaultPbPbTrig
89 const char * TrigConfName[] = {
94 AliGenPythia *PythiaHVQ(PDC06Proc_t proc);
95 AliGenerator *MbCocktail();
96 AliGenerator *PyMbTriggered(Int_t pdg);
97 void ProcessEnvironmentVars();
99 // This part for configuration
100 static PDC06Proc_t proc = kPyMbNoHvq;
101 static DecayHvFl_t decHvFl = kNature;
102 static YCut_t ycut = kFull;
103 static AliMagF::BMap_t mag = AliMagF::k5kG;
104 static TrigConf_t trig = kDefaultPPTrig; // default pp trigger configuration
105 //========================//
106 // Set Random Number seed //
107 //========================//
109 static UInt_t seed = dt.Get();
111 // nEvts = -1 : you get 1 QQbar pair and all the fragmentation and
113 // nEvts = N>0 : you get N charm / beauty Hadrons
115 // stars = kTRUE : all heavy resonances and their decay stored
116 // = kFALSE: only final heavy hadrons and their decays stored
117 Bool_t stars = kTRUE;
119 // To be used only with kCharmppMNRwmi and kBeautyppMNRwmi
120 // To get a "reasonable" agreement with MNR results, events have to be
121 // generated with the minimum ptHard set to 2.76 GeV.
122 // To get a "perfect" agreement with MNR results, events have to be
123 // generated in four ptHard bins with the following relative
135 Float_t ptHardMin = 2.76;
136 Float_t ptHardMax = -1.;
140 static TString comment;
146 // Get settings from environment variables
147 ProcessEnvironmentVars();
149 gRandom->SetSeed(seed);
150 cerr<<"Seed for random number generation= "<<seed<<endl;
152 // libraries required by geant321
153 #if defined(__CINT__)
154 gSystem->Load("liblhapdf");
155 gSystem->Load("libEGPythia6");
156 gSystem->Load("libpythia6");
157 gSystem->Load("libAliPythia6");
158 gSystem->Load("libgeant321");
161 new TGeant3TGeo("C++ Interface to Geant3");
163 //=======================================================================
164 // Create the output file
167 AliRunLoader* rl=0x0;
169 cout<<"Config.C: Creating Run Loader ..."<<endl;
170 rl = AliRunLoader::Open("galice.root",
171 AliConfig::GetDefaultEventFolderName(),
175 gAlice->Fatal("Config.C","Can not instatiate the Run Loader");
178 rl->SetCompressionLevel(2);
179 rl->SetNumberOfEventsPerFile(1000);
180 gAlice->SetRunLoader(rl);
182 // Set the trigger configuration
183 gAlice->SetTriggerDescriptor(TrigConfName[trig]);
184 cout<<"Trigger configuration is set to "<<TrigConfName[trig]<<endl;
187 //=======================================================================
188 // ************* STEERING parameters FOR ALICE SIMULATION **************
189 // --- Specify event type to be tracked through the ALICE setup
190 // --- All positions are in cm, angles in degrees, and P and E in GeV
193 gMC->SetProcess("DCAY",1);
194 gMC->SetProcess("PAIR",1);
195 gMC->SetProcess("COMP",1);
196 gMC->SetProcess("PHOT",1);
197 gMC->SetProcess("PFIS",0);
198 gMC->SetProcess("DRAY",0);
199 gMC->SetProcess("ANNI",1);
200 gMC->SetProcess("BREM",1);
201 gMC->SetProcess("MUNU",1);
202 gMC->SetProcess("CKOV",1);
203 gMC->SetProcess("HADR",1);
204 gMC->SetProcess("LOSS",2);
205 gMC->SetProcess("MULS",1);
206 gMC->SetProcess("RAYL",1);
208 Float_t cut = 1.e-3; // 1MeV cut by default
209 Float_t tofmax = 1.e10;
211 gMC->SetCut("CUTGAM", cut);
212 gMC->SetCut("CUTELE", cut);
213 gMC->SetCut("CUTNEU", cut);
214 gMC->SetCut("CUTHAD", cut);
215 gMC->SetCut("CUTMUO", cut);
216 gMC->SetCut("BCUTE", cut);
217 gMC->SetCut("BCUTM", cut);
218 gMC->SetCut("DCUTE", cut);
219 gMC->SetCut("DCUTM", cut);
220 gMC->SetCut("PPCUTM", cut);
221 gMC->SetCut("TOFMAX", tofmax);
226 // Set External decayer //
227 //======================//
228 TVirtualMCDecayer* decayer = new AliDecayerPythia();
233 decayer->SetForceDecay(kAll);
236 decayer->SetForceDecay(kHadronicD);
239 decayer->SetForceDecay(kSemiElectronic);
242 decayer->SetForceDecay(kSemiMuonic);
246 gMC->SetExternalDecayer(decayer);
248 //=========================//
249 // Generator Configuration //
250 //=========================//
251 AliGenerator* gener = 0x0;
253 if (proc <= kBeautypp14000wmi) {
254 AliGenPythia *pythia = PythiaHVQ(proc);
256 pythia->SetFeedDownHigherFamily(kFALSE);
257 // Stack filling option
258 if(!stars) pythia->SetStackFillOpt(AliGenPythia::kParentSelection);
260 if(nEvts>0) pythia->SetCountMode(AliGenPythia::kCountParents);
266 pythia->SetForceDecay(kAll);
269 pythia->SetForceDecay(kHadronicD);
272 pythia->SetForceDecay(kSemiElectronic);
275 pythia->SetForceDecay(kSemiMuonic);
281 pythia->SetMomentumRange(0,99999999);
282 pythia->SetPhiRange(0., 360.);
283 pythia->SetThetaRange(0,180);
286 pythia->SetYRange(-999,999);
289 pythia->SetYRange(-2,2);
292 pythia->SetYRange(1,6);
296 } else if (proc == kPyMbNoHvq) {
297 gener = MbCocktail();
298 } else if (proc == kPyOmegaMinus) {
299 gener = PyMbTriggered(3334);
300 } else if (proc == kPyOmegaPlus) {
301 gener = PyMbTriggered(-3334);
308 gener->SetOrigin(0., 0., 0.); // vertex position
311 // Size of the interaction diamond
313 Float_t sigmaz = 7.55 / TMath::Sqrt(2.); // [cm]
316 Float_t betast = 10; // beta* [m]
317 Float_t eps = 3.75e-6; // emittance [m]
318 Float_t gamma = 7000. / 0.938272; // relativistic gamma [1]
319 Float_t sigmaxy = TMath::Sqrt(eps * betast / gamma) / TMath::Sqrt(2.) * 100.; // [cm]
320 printf("\n \n Diamond size x-y: %10.3e z: %10.3e\n \n", sigmaxy, sigmaz);
322 gener->SetSigma(sigmaxy, sigmaxy, sigmaz); // Sigma in (X,Y,Z) (cm) on IP position
323 gener->SetCutVertexZ(3.); // Truncate at 3 sigma
324 gener->SetVertexSmear(kPerEvent);
330 if (mag == AliMagF::k2kG) {
331 comment = comment.Append(" | L3 field 0.2 T");
332 } else if (mag == AliMagF::k5kG) {
333 comment = comment.Append(" | L3 field 0.5 T");
335 printf("\n \n Comment: %s \n \n", comment.Data());
337 AliMagF* field = new AliMagF("Maps","Maps", 2, 1., 1., 10., mag);
338 TGeoGlobalMagField::Instance()->SetField(field);
365 //=================== Alice BODY parameters =============================
366 AliBODY *BODY = new AliBODY("BODY", "Alice envelop");
371 //=================== MAG parameters ============================
372 // --- Start with Magnet since detector layouts may be depending ---
373 // --- on the selected Magnet dimensions ---
374 AliMAG *MAG = new AliMAG("MAG", "Magnet");
380 //=================== ABSO parameters ============================
381 AliABSO *ABSO = new AliABSOv3("ABSO", "Muon Absorber");
386 //=================== DIPO parameters ============================
388 AliDIPO *DIPO = new AliDIPOv3("DIPO", "Dipole version 3");
393 //=================== HALL parameters ============================
395 AliHALL *HALL = new AliHALLv3("HALL", "Alice Hall");
401 //=================== FRAME parameters ============================
403 AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame");
409 //=================== SHIL parameters ============================
411 AliSHIL *SHIL = new AliSHILv3("SHIL", "Shielding Version 3");
417 //=================== PIPE parameters ============================
419 AliPIPE *PIPE = new AliPIPEv3("PIPE", "Beam Pipe");
424 //=================== ITS parameters ============================
426 AliITS *ITS = new AliITSv11Hybrid("ITS","ITS v11Hybrid");
431 //============================ TPC parameters =====================
432 AliTPC *TPC = new AliTPCv2("TPC", "Default");
437 //=================== TOF parameters ============================
438 AliTOF *TOF = new AliTOFv6T0("TOF", "normal TOF");
444 //=================== HMPID parameters ===========================
445 AliHMPID *HMPID = new AliHMPIDv3("HMPID", "normal HMPID");
452 //=================== ZDC parameters ============================
454 AliZDC *ZDC = new AliZDCv3("ZDC", "normal ZDC");
459 //=================== TRD parameters ============================
461 AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator");
462 AliTRDgeometry *geoTRD = TRD->GetGeometry();
463 // Partial geometry: modules at 2,3,4,6,11,12,14,15
464 // starting at 6h in positive direction
465 geoTRD->SetSMstatus(0,0);
466 geoTRD->SetSMstatus(1,0);
467 geoTRD->SetSMstatus(5,0);
468 geoTRD->SetSMstatus(7,0);
469 geoTRD->SetSMstatus(8,0);
470 geoTRD->SetSMstatus(9,0);
471 geoTRD->SetSMstatus(10,0);
472 geoTRD->SetSMstatus(13,0);
473 geoTRD->SetSMstatus(16,0);
474 geoTRD->SetSMstatus(17,0);
479 //=================== FMD parameters ============================
480 AliFMD *FMD = new AliFMDv1("FMD", "normal FMD");
485 //=================== MUON parameters ===========================
486 // New MUONv1 version (geometry defined via builders)
487 AliMUON *MUON = new AliMUONv1("MUON", "default");
489 //=================== PHOS parameters ===========================
493 AliPHOS *PHOS = new AliPHOSv1("PHOS", "IHEP");
499 //=================== PMD parameters ============================
500 AliPMD *PMD = new AliPMDv1("PMD", "normal PMD");
505 //=================== T0 parameters ============================
506 AliT0 *T0 = new AliT0v1("T0", "T0 Detector");
511 //=================== EMCAL parameters ============================
512 AliEMCAL *EMCAL = new AliEMCALv2("EMCAL", "EMCAL_COMPLETE");
517 //=================== ACORDE parameters ============================
518 AliACORDE *ACORDE = new AliACORDEv1("ACORDE", "normal ACORDE");
523 //=================== VZERO parameters ============================
524 AliVZERO *VZERO = new AliVZEROv7("VZERO", "normal VZERO");
530 AliGenPythia *PythiaHVQ(PDC06Proc_t proc) {
531 //*******************************************************************//
532 // Configuration file for charm / beauty generation with PYTHIA //
534 // The parameters have been tuned in order to reproduce the inclusive//
535 // heavy quark pt distribution given by the NLO pQCD calculation by //
536 // Mangano, Nason and Ridolfi. //
538 // For details and for the NORMALIZATION of the yields see: //
539 // N.Carrer and A.Dainese, //
540 // "Charm and beauty production at the LHC", //
541 // ALICE-INT-2003-019, [arXiv:hep-ph/0311225]; //
542 // PPR Chapter 6.6, CERN/LHCC 2005-030 (2005). //
543 //*******************************************************************//
544 AliGenPythia * gener = 0x0;
548 comment = comment.Append(" Charm in Pb-Pb at 5.5 TeV");
549 gener = new AliGenPythia(nEvts);
550 gener->SetProcess(kPyCharmPbPbMNR);
551 gener->SetStrucFunc(kCTEQ4L);
552 gener->SetPtHard(2.1,-1.0);
553 gener->SetEnergyCMS(5500.);
554 gener->SetNuclei(208,208);
557 comment = comment.Append(" Charm in p-Pb at 8.8 TeV");
558 gener = new AliGenPythia(nEvts);
559 gener->SetProcess(kPyCharmpPbMNR);
560 gener->SetStrucFunc(kCTEQ4L);
561 gener->SetPtHard(2.1,-1.0);
562 gener->SetEnergyCMS(8800.);
563 gener->SetProjectile("P",1,1);
564 gener->SetTarget("Pb",208,82);
567 comment = comment.Append(" Charm in pp at 14 TeV");
568 gener = new AliGenPythia(nEvts);
569 gener->SetProcess(kPyCharmppMNR);
570 gener->SetStrucFunc(kCTEQ4L);
571 gener->SetPtHard(2.1,-1.0);
572 gener->SetEnergyCMS(14000.);
574 case kCharmpp14000wmi:
575 comment = comment.Append(" Charm in pp at 14 TeV with mult. interactions");
576 gener = new AliGenPythia(-1);
577 gener->SetProcess(kPyCharmppMNRwmi);
578 gener->SetStrucFunc(kCTEQ5L);
579 gener->SetPtHard(ptHardMin,ptHardMax);
580 gener->SetEnergyCMS(14000.);
583 comment = comment.Append(" D0 in Pb-Pb at 5.5 TeV");
584 gener = new AliGenPythia(nEvts);
585 gener->SetProcess(kPyD0PbPbMNR);
586 gener->SetStrucFunc(kCTEQ4L);
587 gener->SetPtHard(2.1,-1.0);
588 gener->SetEnergyCMS(5500.);
589 gener->SetNuclei(208,208);
592 comment = comment.Append(" D0 in p-Pb at 8.8 TeV");
593 gener = new AliGenPythia(nEvts);
594 gener->SetProcess(kPyD0pPbMNR);
595 gener->SetStrucFunc(kCTEQ4L);
596 gener->SetPtHard(2.1,-1.0);
597 gener->SetEnergyCMS(8800.);
598 gener->SetProjectile("P",1,1);
599 gener->SetTarget("Pb",208,82);
602 comment = comment.Append(" D0 in pp at 14 TeV");
603 gener = new AliGenPythia(nEvts);
604 gener->SetProcess(kPyD0ppMNR);
605 gener->SetStrucFunc(kCTEQ4L);
606 gener->SetPtHard(2.1,-1.0);
607 gener->SetEnergyCMS(14000.);
610 comment = comment.Append(" DPlus in Pb-Pb at 5.5 TeV");
611 gener = new AliGenPythia(nEvts);
612 gener->SetProcess(kPyDPlusPbPbMNR);
613 gener->SetStrucFunc(kCTEQ4L);
614 gener->SetPtHard(2.1,-1.0);
615 gener->SetEnergyCMS(5500.);
616 gener->SetNuclei(208,208);
619 comment = comment.Append(" DPlus in p-Pb at 8.8 TeV");
620 gener = new AliGenPythia(nEvts);
621 gener->SetProcess(kPyDPluspPbMNR);
622 gener->SetStrucFunc(kCTEQ4L);
623 gener->SetPtHard(2.1,-1.0);
624 gener->SetEnergyCMS(8800.);
625 gener->SetProjectile("P",1,1);
626 gener->SetTarget("Pb",208,82);
629 comment = comment.Append(" DPlus in pp at 14 TeV");
630 gener = new AliGenPythia(nEvts);
631 gener->SetProcess(kPyDPlusppMNR);
632 gener->SetStrucFunc(kCTEQ4L);
633 gener->SetPtHard(2.1,-1.0);
634 gener->SetEnergyCMS(14000.);
636 case kBeautyPbPb5500:
637 comment = comment.Append(" Beauty in Pb-Pb at 5.5 TeV");
638 gener = new AliGenPythia(nEvts);
639 gener->SetProcess(kPyBeautyPbPbMNR);
640 gener->SetStrucFunc(kCTEQ4L);
641 gener->SetPtHard(2.75,-1.0);
642 gener->SetEnergyCMS(5500.);
643 gener->SetNuclei(208,208);
646 comment = comment.Append(" Beauty in p-Pb at 8.8 TeV");
647 gener = new AliGenPythia(nEvts);
648 gener->SetProcess(kPyBeautypPbMNR);
649 gener->SetStrucFunc(kCTEQ4L);
650 gener->SetPtHard(2.75,-1.0);
651 gener->SetEnergyCMS(8800.);
652 gener->SetProjectile("P",1,1);
653 gener->SetTarget("Pb",208,82);
656 comment = comment.Append(" Beauty in pp at 14 TeV");
657 gener = new AliGenPythia(nEvts);
658 gener->SetProcess(kPyBeautyppMNR);
659 gener->SetStrucFunc(kCTEQ4L);
660 gener->SetPtHard(2.75,-1.0);
661 gener->SetEnergyCMS(14000.);
663 case kBeautypp14000wmi:
664 comment = comment.Append(" Beauty in pp at 14 TeV with mult. interactions");
665 gener = new AliGenPythia(-1);
666 gener->SetProcess(kPyBeautyppMNRwmi);
667 gener->SetStrucFunc(kCTEQ5L);
668 gener->SetPtHard(ptHardMin,ptHardMax);
669 gener->SetEnergyCMS(14000.);
676 AliGenerator* MbCocktail()
678 comment = comment.Append(" pp at 14 TeV: Pythia low-pt, no heavy quarks + J/Psi from parameterisation");
679 AliGenCocktail * gener = new AliGenCocktail();
680 gener->UsePerEventRates();
684 AliGenPythia* pythia = new AliGenPythia(-1);
685 pythia->SetMomentumRange(0, 999999.);
686 pythia->SetThetaRange(0., 180.);
687 pythia->SetYRange(-12.,12.);
688 pythia->SetPtRange(0,1000.);
689 pythia->SetProcess(kPyMb);
690 pythia->SetEnergyCMS(14000.);
691 pythia->SwitchHFOff();
694 // J/Psi parameterisation
696 AliGenParam* jpsi = new AliGenParam(1, AliGenMUONlib::kJpsi, "CDF scaled", "Jpsi");
697 jpsi->SetPtRange(0.,100.);
698 jpsi->SetYRange(-8., 8.);
699 jpsi->SetPhiRange(0., 360.);
700 jpsi->SetForceDecay(kAll);
703 gener->AddGenerator(jpsi, "J/Psi", 8.e-4);
704 gener->AddGenerator(pythia, "Pythia", 1.);
710 AliGenerator* PyMbTriggered(Int_t pdg)
712 AliGenPythia* pythia = new AliGenPythia(-1);
713 pythia->SetMomentumRange(0, 999999.);
714 pythia->SetThetaRange(0., 180.);
715 pythia->SetYRange(-12.,12.);
716 pythia->SetPtRange(0,1000.);
717 pythia->SetProcess(kPyMb);
718 pythia->SetEnergyCMS(14000.);
719 pythia->SetTriggerParticle(pdg, 0.9);
723 void ProcessEnvironmentVars()
726 if (gSystem->Getenv("CONFIG_RUN_TYPE")) {
727 for (Int_t iRun = 0; iRun < kRunMax; iRun++) {
728 if (strcmp(gSystem->Getenv("CONFIG_RUN_TYPE"), pprRunName[iRun])==0) {
729 proc = (PDC06Proc_t)iRun;
730 cout<<"Run type set to "<<pprRunName[iRun]<<endl;
735 // Random Number seed
736 if (gSystem->Getenv("CONFIG_SEED")) {
737 seed = atoi(gSystem->Getenv("CONFIG_SEED"));