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/AliITSv11.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[] = {
95 AliGenPythia *PythiaHVQ(PDC06Proc_t proc);
96 AliGenerator *MbCocktail();
97 AliGenerator *PyMbTriggered(Int_t pdg);
98 void ProcessEnvironmentVars();
101 // This part for configuration
102 static PDC06Proc_t proc = kPyMbNoHvq;
103 static DecayHvFl_t decHvFl = kNature;
104 static YCut_t ycut = kFull;
105 static AliMagF::BMap_t mag = AliMagF::k5kG;
106 static TrigConf_t trig = kDefaultPPTrig; // default pp trigger configuration
107 //========================//
108 // Set Random Number seed //
109 //========================//
111 static UInt_t seed = dt.Get();
113 // nEvts = -1 : you get 1 QQbar pair and all the fragmentation and
115 // nEvts = N>0 : you get N charm / beauty Hadrons
117 // stars = kTRUE : all heavy resonances and their decay stored
118 // = kFALSE: only final heavy hadrons and their decays stored
119 Bool_t stars = kTRUE;
121 // To be used only with kCharmppMNRwmi and kBeautyppMNRwmi
122 // To get a "reasonable" agreement with MNR results, events have to be
123 // generated with the minimum ptHard set to 2.76 GeV.
124 // To get a "perfect" agreement with MNR results, events have to be
125 // generated in four ptHard bins with the following relative
137 Float_t ptHardMin = 2.76;
138 Float_t ptHardMax = -1.;
142 static TString comment;
148 // Get settings from environment variables
149 ProcessEnvironmentVars();
150 // Load pythia libraries
154 gRandom->SetSeed(seed);
155 cerr<<"Seed for random number generation= "<<seed<<endl;
157 // libraries required by geant321
158 #if defined(__CINT__)
159 gSystem->Load("libgeant321");
162 new TGeant3TGeo("C++ Interface to Geant3");
164 if(!AliCDBManager::Instance()->IsDefaultStorageSet()){
165 AliCDBManager::Instance()->SetDefaultStorage("local://$ALICE_ROOT/OCDB");
166 AliCDBManager::Instance()->SetRun(0);
169 //=======================================================================
170 // Create the output file
173 AliRunLoader* rl=0x0;
175 cout<<"Config.C: Creating Run Loader ..."<<endl;
176 rl = AliRunLoader::Open("galice.root",
177 AliConfig::GetDefaultEventFolderName(),
181 gAlice->Fatal("Config.C","Can not instatiate the Run Loader");
184 rl->SetCompressionLevel(2);
185 rl->SetNumberOfEventsPerFile(1000);
186 gAlice->SetRunLoader(rl);
187 // gAlice->SetGeometryFromFile("geometry.root");
188 // gAlice->SetGeometryFromCDB();
190 // Set the trigger configuration
191 AliSimulation::Instance()->SetTriggerConfig(TrigConfName[trig]);
192 cout<<"Trigger configuration is set to "<<TrigConfName[trig]<<endl;
195 //=======================================================================
196 // ************* STEERING parameters FOR ALICE SIMULATION **************
197 // --- Specify event type to be tracked through the ALICE setup
198 // --- All positions are in cm, angles in degrees, and P and E in GeV
201 gMC->SetProcess("DCAY",1);
202 gMC->SetProcess("PAIR",1);
203 gMC->SetProcess("COMP",1);
204 gMC->SetProcess("PHOT",1);
205 gMC->SetProcess("PFIS",0);
206 gMC->SetProcess("DRAY",0);
207 gMC->SetProcess("ANNI",1);
208 gMC->SetProcess("BREM",1);
209 gMC->SetProcess("MUNU",1);
210 gMC->SetProcess("CKOV",1);
211 gMC->SetProcess("HADR",1);
212 gMC->SetProcess("LOSS",2);
213 gMC->SetProcess("MULS",1);
214 gMC->SetProcess("RAYL",1);
216 Float_t cut = 1.e-3; // 1MeV cut by default
217 Float_t tofmax = 1.e10;
219 gMC->SetCut("CUTGAM", cut);
220 gMC->SetCut("CUTELE", cut);
221 gMC->SetCut("CUTNEU", cut);
222 gMC->SetCut("CUTHAD", cut);
223 gMC->SetCut("CUTMUO", cut);
224 gMC->SetCut("BCUTE", cut);
225 gMC->SetCut("BCUTM", cut);
226 gMC->SetCut("DCUTE", cut);
227 gMC->SetCut("DCUTM", cut);
228 gMC->SetCut("PPCUTM", cut);
229 gMC->SetCut("TOFMAX", tofmax);
234 // Set External decayer //
235 //======================//
236 TVirtualMCDecayer* decayer = new AliDecayerPythia();
241 decayer->SetForceDecay(kAll);
244 decayer->SetForceDecay(kHadronicD);
247 decayer->SetForceDecay(kSemiElectronic);
250 decayer->SetForceDecay(kSemiMuonic);
254 gMC->SetExternalDecayer(decayer);
256 //=========================//
257 // Generator Configuration //
258 //=========================//
259 AliGenerator* gener = 0x0;
261 if (proc <= kBeautypp14000wmi) {
262 AliGenPythia *pythia = PythiaHVQ(proc);
264 pythia->SetFeedDownHigherFamily(kFALSE);
265 // Stack filling option
266 if(!stars) pythia->SetStackFillOpt(AliGenPythia::kParentSelection);
268 if(nEvts>0) pythia->SetCountMode(AliGenPythia::kCountParents);
274 pythia->SetForceDecay(kAll);
277 pythia->SetForceDecay(kHadronicD);
280 pythia->SetForceDecay(kSemiElectronic);
283 pythia->SetForceDecay(kSemiMuonic);
289 pythia->SetMomentumRange(0,99999999);
290 pythia->SetPhiRange(0., 360.);
291 pythia->SetThetaRange(0,180);
294 pythia->SetYRange(-999,999);
297 pythia->SetYRange(-2,2);
300 pythia->SetYRange(1,6);
304 } else if (proc == kPyMbNoHvq) {
305 gener = MbCocktail();
306 } else if (proc == kPyOmegaMinus) {
307 gener = PyMbTriggered(3334);
308 } else if (proc == kPyOmegaPlus) {
309 gener = PyMbTriggered(-3334);
316 gener->SetOrigin(0., 0., 0.); // vertex position
319 // Size of the interaction diamond
321 Float_t sigmaz = 7.55 / TMath::Sqrt(2.); // [cm]
324 Float_t betast = 10; // beta* [m]
325 Float_t eps = 3.75e-6; // emittance [m]
326 Float_t gamma = 7000. / 0.938272; // relativistic gamma [1]
327 Float_t sigmaxy = TMath::Sqrt(eps * betast / gamma) / TMath::Sqrt(2.) * 100.; // [cm]
328 printf("\n \n Diamond size x-y: %10.3e z: %10.3e\n \n", sigmaxy, sigmaz);
330 gener->SetSigma(sigmaxy, sigmaxy, sigmaz); // Sigma in (X,Y,Z) (cm) on IP position
331 gener->SetCutVertexZ(3.); // Truncate at 3 sigma
332 gener->SetVertexSmear(kPerEvent);
339 comment = comment.Append(" | L3 field 0.2 T");
340 } else if (mag == k5kG) {
341 comment = comment.Append(" | L3 field 0.5 T");
343 printf("\n \n Comment: %s \n \n", comment.Data());
345 AliMagF* field = new AliMagF("Maps","Maps",1.,1.,,mag);
346 field->SetL3ConstField(0); //Using const. field in the barrel
347 TGeoGlobalMagField::Instance()->SetField(field);
374 //=================== Alice BODY parameters =============================
375 AliBODY *BODY = new AliBODY("BODY", "Alice envelop");
380 //=================== MAG parameters ============================
381 // --- Start with Magnet since detector layouts may be depending ---
382 // --- on the selected Magnet dimensions ---
383 AliMAG *MAG = new AliMAG("MAG", "Magnet");
389 //=================== ABSO parameters ============================
390 AliABSO *ABSO = new AliABSOv3("ABSO", "Muon Absorber");
395 //=================== DIPO parameters ============================
397 AliDIPO *DIPO = new AliDIPOv3("DIPO", "Dipole version 3");
402 //=================== HALL parameters ============================
404 AliHALL *HALL = new AliHALLv3("HALL", "Alice Hall");
410 //=================== FRAME parameters ============================
412 AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame");
418 //=================== SHIL parameters ============================
420 AliSHIL *SHIL = new AliSHILv3("SHIL", "Shielding Version 3");
426 //=================== PIPE parameters ============================
428 AliPIPE *PIPE = new AliPIPEv3("PIPE", "Beam Pipe");
433 //=================== ITS parameters ============================
435 AliITS *ITS = new AliITSv11("ITS","ITS v11");
440 //============================ TPC parameters =====================
441 AliTPC *TPC = new AliTPCv2("TPC", "Default");
446 //=================== TOF parameters ============================
447 AliTOF *TOF = new AliTOFv6T0("TOF", "normal TOF");
453 //=================== HMPID parameters ===========================
454 AliHMPID *HMPID = new AliHMPIDv3("HMPID", "normal HMPID");
461 //=================== ZDC parameters ============================
463 AliZDC *ZDC = new AliZDCv3("ZDC", "normal ZDC");
468 //=================== TRD parameters ============================
470 AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator");
471 AliTRDgeometry *geoTRD = TRD->GetGeometry();
472 // Partial geometry: modules at 2,3,4,6,11,12,14,15
473 // starting at 6h in positive direction
474 geoTRD->SetSMstatus(0,0);
475 geoTRD->SetSMstatus(1,0);
476 geoTRD->SetSMstatus(5,0);
477 geoTRD->SetSMstatus(7,0);
478 geoTRD->SetSMstatus(8,0);
479 geoTRD->SetSMstatus(9,0);
480 geoTRD->SetSMstatus(10,0);
481 geoTRD->SetSMstatus(13,0);
482 geoTRD->SetSMstatus(16,0);
483 geoTRD->SetSMstatus(17,0);
488 //=================== FMD parameters ============================
489 AliFMD *FMD = new AliFMDv1("FMD", "normal FMD");
494 //=================== MUON parameters ===========================
495 // New MUONv1 version (geometry defined via builders)
496 AliMUON *MUON = new AliMUONv1("MUON", "default");
498 //=================== PHOS parameters ===========================
502 AliPHOS *PHOS = new AliPHOSv1("PHOS", "IHEP");
508 //=================== PMD parameters ============================
509 AliPMD *PMD = new AliPMDv1("PMD", "normal PMD");
514 //=================== T0 parameters ============================
515 AliT0 *T0 = new AliT0v1("T0", "T0 Detector");
520 //=================== EMCAL parameters ============================
521 AliEMCAL *EMCAL = new AliEMCALv2("EMCAL", "EMCAL_COMPLETE");
526 //=================== ACORDE parameters ============================
527 AliACORDE *ACORDE = new AliACORDEv1("ACORDE", "normal ACORDE");
532 //=================== ACORDE parameters ============================
533 AliVZERO *VZERO = new AliVZEROv7("VZERO", "normal VZERO");
539 AliGenPythia *PythiaHVQ(PDC06Proc_t proc) {
540 //*******************************************************************//
541 // Configuration file for charm / beauty generation with PYTHIA //
543 // The parameters have been tuned in order to reproduce the inclusive//
544 // heavy quark pt distribution given by the NLO pQCD calculation by //
545 // Mangano, Nason and Ridolfi. //
547 // For details and for the NORMALIZATION of the yields see: //
548 // N.Carrer and A.Dainese, //
549 // "Charm and beauty production at the LHC", //
550 // ALICE-INT-2003-019, [arXiv:hep-ph/0311225]; //
551 // PPR Chapter 6.6, CERN/LHCC 2005-030 (2005). //
552 //*******************************************************************//
553 AliGenPythia * gener = 0x0;
557 comment = comment.Append(" Charm in Pb-Pb at 5.5 TeV");
558 gener = new AliGenPythia(nEvts);
559 gener->SetProcess(kPyCharmPbPbMNR);
560 gener->SetStrucFunc(kCTEQ4L);
561 gener->SetPtHard(2.1,-1.0);
562 gener->SetEnergyCMS(5500.);
563 gener->SetNuclei(208,208);
566 comment = comment.Append(" Charm in p-Pb at 8.8 TeV");
567 gener = new AliGenPythia(nEvts);
568 gener->SetProcess(kPyCharmpPbMNR);
569 gener->SetStrucFunc(kCTEQ4L);
570 gener->SetPtHard(2.1,-1.0);
571 gener->SetEnergyCMS(8800.);
572 gener->SetProjectile("P",1,1);
573 gener->SetTarget("Pb",208,82);
576 comment = comment.Append(" Charm in pp at 14 TeV");
577 gener = new AliGenPythia(nEvts);
578 gener->SetProcess(kPyCharmppMNR);
579 gener->SetStrucFunc(kCTEQ4L);
580 gener->SetPtHard(2.1,-1.0);
581 gener->SetEnergyCMS(14000.);
583 case kCharmpp14000wmi:
584 comment = comment.Append(" Charm in pp at 14 TeV with mult. interactions");
585 gener = new AliGenPythia(-1);
586 gener->SetProcess(kPyCharmppMNRwmi);
587 gener->SetStrucFunc(kCTEQ5L);
588 gener->SetPtHard(ptHardMin,ptHardMax);
589 gener->SetEnergyCMS(14000.);
592 comment = comment.Append(" D0 in Pb-Pb at 5.5 TeV");
593 gener = new AliGenPythia(nEvts);
594 gener->SetProcess(kPyD0PbPbMNR);
595 gener->SetStrucFunc(kCTEQ4L);
596 gener->SetPtHard(2.1,-1.0);
597 gener->SetEnergyCMS(5500.);
598 gener->SetNuclei(208,208);
601 comment = comment.Append(" D0 in p-Pb at 8.8 TeV");
602 gener = new AliGenPythia(nEvts);
603 gener->SetProcess(kPyD0pPbMNR);
604 gener->SetStrucFunc(kCTEQ4L);
605 gener->SetPtHard(2.1,-1.0);
606 gener->SetEnergyCMS(8800.);
607 gener->SetProjectile("P",1,1);
608 gener->SetTarget("Pb",208,82);
611 comment = comment.Append(" D0 in pp at 14 TeV");
612 gener = new AliGenPythia(nEvts);
613 gener->SetProcess(kPyD0ppMNR);
614 gener->SetStrucFunc(kCTEQ4L);
615 gener->SetPtHard(2.1,-1.0);
616 gener->SetEnergyCMS(14000.);
619 comment = comment.Append(" DPlus in Pb-Pb at 5.5 TeV");
620 gener = new AliGenPythia(nEvts);
621 gener->SetProcess(kPyDPlusPbPbMNR);
622 gener->SetStrucFunc(kCTEQ4L);
623 gener->SetPtHard(2.1,-1.0);
624 gener->SetEnergyCMS(5500.);
625 gener->SetNuclei(208,208);
628 comment = comment.Append(" DPlus in p-Pb at 8.8 TeV");
629 gener = new AliGenPythia(nEvts);
630 gener->SetProcess(kPyDPluspPbMNR);
631 gener->SetStrucFunc(kCTEQ4L);
632 gener->SetPtHard(2.1,-1.0);
633 gener->SetEnergyCMS(8800.);
634 gener->SetProjectile("P",1,1);
635 gener->SetTarget("Pb",208,82);
638 comment = comment.Append(" DPlus in pp at 14 TeV");
639 gener = new AliGenPythia(nEvts);
640 gener->SetProcess(kPyDPlusppMNR);
641 gener->SetStrucFunc(kCTEQ4L);
642 gener->SetPtHard(2.1,-1.0);
643 gener->SetEnergyCMS(14000.);
645 case kBeautyPbPb5500:
646 comment = comment.Append(" Beauty in Pb-Pb at 5.5 TeV");
647 gener = new AliGenPythia(nEvts);
648 gener->SetProcess(kPyBeautyPbPbMNR);
649 gener->SetStrucFunc(kCTEQ4L);
650 gener->SetPtHard(2.75,-1.0);
651 gener->SetEnergyCMS(5500.);
652 gener->SetNuclei(208,208);
655 comment = comment.Append(" Beauty in p-Pb at 8.8 TeV");
656 gener = new AliGenPythia(nEvts);
657 gener->SetProcess(kPyBeautypPbMNR);
658 gener->SetStrucFunc(kCTEQ4L);
659 gener->SetPtHard(2.75,-1.0);
660 gener->SetEnergyCMS(8800.);
661 gener->SetProjectile("P",1,1);
662 gener->SetTarget("Pb",208,82);
665 comment = comment.Append(" Beauty in pp at 14 TeV");
666 gener = new AliGenPythia(nEvts);
667 gener->SetProcess(kPyBeautyppMNR);
668 gener->SetStrucFunc(kCTEQ4L);
669 gener->SetPtHard(2.75,-1.0);
670 gener->SetEnergyCMS(14000.);
672 case kBeautypp14000wmi:
673 comment = comment.Append(" Beauty in pp at 14 TeV with mult. interactions");
674 gener = new AliGenPythia(-1);
675 gener->SetProcess(kPyBeautyppMNRwmi);
676 gener->SetStrucFunc(kCTEQ5L);
677 gener->SetPtHard(ptHardMin,ptHardMax);
678 gener->SetEnergyCMS(14000.);
685 AliGenerator* MbCocktail()
687 comment = comment.Append(" pp at 14 TeV: Pythia low-pt, no heavy quarks + J/Psi from parameterisation");
688 AliGenCocktail * gener = new AliGenCocktail();
689 gener->UsePerEventRates();
693 AliGenPythia* pythia = new AliGenPythia(-1);
694 pythia->SetMomentumRange(0, 999999.);
695 pythia->SetThetaRange(0., 180.);
696 pythia->SetYRange(-12.,12.);
697 pythia->SetPtRange(0,1000.);
698 pythia->SetProcess(kPyMb);
699 pythia->SetEnergyCMS(14000.);
700 pythia->SwitchHFOff();
703 // J/Psi parameterisation
705 AliGenParam* jpsi = new AliGenParam(1, AliGenMUONlib::kJpsi, "CDF scaled", "Jpsi");
706 jpsi->SetPtRange(0.,100.);
707 jpsi->SetYRange(-8., 8.);
708 jpsi->SetPhiRange(0., 360.);
709 jpsi->SetForceDecay(kAll);
712 gener->AddGenerator(jpsi, "J/Psi", 8.e-4);
713 gener->AddGenerator(pythia, "Pythia", 1.);
719 AliGenerator* PyMbTriggered(Int_t pdg)
721 AliGenPythia* pythia = new AliGenPythia(-1);
722 pythia->SetMomentumRange(0, 999999.);
723 pythia->SetThetaRange(0., 180.);
724 pythia->SetYRange(-12.,12.);
725 pythia->SetPtRange(0,1000.);
726 pythia->SetProcess(kPyMb);
727 pythia->SetEnergyCMS(14000.);
728 pythia->SetTriggerParticle(pdg, 0.9);
732 void ProcessEnvironmentVars()
735 if (gSystem->Getenv("CONFIG_RUN_TYPE")) {
736 for (Int_t iRun = 0; iRun < kRunMax; iRun++) {
737 if (strcmp(gSystem->Getenv("CONFIG_RUN_TYPE"), pprRunName[iRun])==0) {
738 proc = (PDC06Proc_t)iRun;
739 cout<<"Run type set to "<<pprRunName[iRun]<<endl;
744 // Random Number seed
745 if (gSystem->Getenv("CONFIG_SEED")) {
746 seed = atoi(gSystem->Getenv("CONFIG_SEED"));
754 // Load Pythia related libraries
755 gSystem->Load("liblhapdf"); // Parton density functions
756 gSystem->Load("libEGPythia6"); // TGenerator interface
757 gSystem->Load("libpythia6"); // Pythia
758 gSystem->Load("libAliPythia6"); // ALICE specific implementations