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/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/AliITSgeom.h"
36 #include "ITS/AliITSvPPRasymmFMD.h"
37 #include "TPC/AliTPCv2.h"
38 #include "TOF/AliTOFv6T0.h"
39 #include "HMPID/AliHMPIDv2.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/AliACORDEv0.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 //--- Magnetic Field ---
89 //--- Trigger config ---
92 kDefaultPPTrig, kDefaultPbPbTrig
95 const char * TrigConfName[] = {
105 AliGenPythia *PythiaHVQ(PDC06Proc_t proc);
106 AliGenerator *MbCocktail();
107 AliGenerator *PyMbTriggered(Int_t pdg);
108 void ProcessEnvironmentVars();
110 // This part for configuration
111 static PDC06Proc_t proc = kPyMbNoHvq;
112 static DecayHvFl_t decHvFl = kNature;
113 static YCut_t ycut = kFull;
114 static Mag_t mag = k5kG;
115 static TrigConf_t trig = kDefaultPPTrig; // default pp trigger configuration
116 static PprGeo_t geo = kHoles;
117 //========================//
118 // Set Random Number seed //
119 //========================//
121 static UInt_t seed = dt.Get();
123 // nEvts = -1 : you get 1 QQbar pair and all the fragmentation and
125 // nEvts = N>0 : you get N charm / beauty Hadrons
127 // stars = kTRUE : all heavy resonances and their decay stored
128 // = kFALSE: only final heavy hadrons and their decays stored
129 Bool_t stars = kTRUE;
131 // To be used only with kCharmppMNRwmi and kBeautyppMNRwmi
132 // To get a "reasonable" agreement with MNR results, events have to be
133 // generated with the minimum ptHard set to 2.76 GeV.
134 // To get a "perfect" agreement with MNR results, events have to be
135 // generated in four ptHard bins with the following relative
147 Float_t ptHardMin = 2.76;
148 Float_t ptHardMax = -1.;
152 static TString comment;
158 // Get settings from environment variables
159 ProcessEnvironmentVars();
161 gRandom->SetSeed(seed);
162 cerr<<"Seed for random number generation= "<<seed<<endl;
164 // libraries required by geant321
165 #if defined(__CINT__)
166 gSystem->Load("libgeant321");
169 new TGeant3TGeo("C++ Interface to Geant3");
171 if(!AliCDBManager::Instance()->IsDefaultStorageSet()){
172 AliCDBManager::Instance()->SetDefaultStorage("local://$ALICE_ROOT");
173 AliCDBManager::Instance()->SetRun(0);
176 //=======================================================================
177 // Create the output file
180 AliRunLoader* rl=0x0;
182 cout<<"Config.C: Creating Run Loader ..."<<endl;
183 rl = AliRunLoader::Open("galice.root",
184 AliConfig::GetDefaultEventFolderName(),
188 gAlice->Fatal("Config.C","Can not instatiate the Run Loader");
191 rl->SetCompressionLevel(2);
192 rl->SetNumberOfEventsPerFile(1000);
193 gAlice->SetRunLoader(rl);
194 // gAlice->SetGeometryFromFile("geometry.root");
195 // gAlice->SetGeometryFromCDB();
197 // Set the trigger configuration
198 gAlice->SetTriggerDescriptor(TrigConfName[trig]);
199 cout<<"Trigger configuration is set to "<<TrigConfName[trig]<<endl;
202 //=======================================================================
203 // ************* STEERING parameters FOR ALICE SIMULATION **************
204 // --- Specify event type to be tracked through the ALICE setup
205 // --- All positions are in cm, angles in degrees, and P and E in GeV
208 gMC->SetProcess("DCAY",1);
209 gMC->SetProcess("PAIR",1);
210 gMC->SetProcess("COMP",1);
211 gMC->SetProcess("PHOT",1);
212 gMC->SetProcess("PFIS",0);
213 gMC->SetProcess("DRAY",0);
214 gMC->SetProcess("ANNI",1);
215 gMC->SetProcess("BREM",1);
216 gMC->SetProcess("MUNU",1);
217 gMC->SetProcess("CKOV",1);
218 gMC->SetProcess("HADR",1);
219 gMC->SetProcess("LOSS",2);
220 gMC->SetProcess("MULS",1);
221 gMC->SetProcess("RAYL",1);
223 Float_t cut = 1.e-3; // 1MeV cut by default
224 Float_t tofmax = 1.e10;
226 gMC->SetCut("CUTGAM", cut);
227 gMC->SetCut("CUTELE", cut);
228 gMC->SetCut("CUTNEU", cut);
229 gMC->SetCut("CUTHAD", cut);
230 gMC->SetCut("CUTMUO", cut);
231 gMC->SetCut("BCUTE", cut);
232 gMC->SetCut("BCUTM", cut);
233 gMC->SetCut("DCUTE", cut);
234 gMC->SetCut("DCUTM", cut);
235 gMC->SetCut("PPCUTM", cut);
236 gMC->SetCut("TOFMAX", tofmax);
241 // Set External decayer //
242 //======================//
243 TVirtualMCDecayer* decayer = new AliDecayerPythia();
248 decayer->SetForceDecay(kAll);
251 decayer->SetForceDecay(kHadronicD);
254 decayer->SetForceDecay(kSemiElectronic);
257 decayer->SetForceDecay(kSemiMuonic);
261 gMC->SetExternalDecayer(decayer);
263 //=========================//
264 // Generator Configuration //
265 //=========================//
266 AliGenerator* gener = 0x0;
268 if (proc <= kBeautypp14000wmi) {
269 AliGenPythia *pythia = PythiaHVQ(proc);
271 pythia->SetFeedDownHigherFamily(kFALSE);
272 // Stack filling option
273 if(!stars) pythia->SetStackFillOpt(AliGenPythia::kParentSelection);
275 if(nEvts>0) pythia->SetCountMode(AliGenPythia::kCountParents);
281 pythia->SetForceDecay(kAll);
284 pythia->SetForceDecay(kHadronicD);
287 pythia->SetForceDecay(kSemiElectronic);
290 pythia->SetForceDecay(kSemiMuonic);
296 pythia->SetMomentumRange(0,99999999);
297 pythia->SetPhiRange(0., 360.);
298 pythia->SetThetaRange(0,180);
301 pythia->SetYRange(-999,999);
304 pythia->SetYRange(-2,2);
307 pythia->SetYRange(1,6);
311 } else if (proc == kPyMbNoHvq) {
312 gener = MbCocktail();
313 } else if (proc == kPyOmegaMinus) {
314 gener = PyMbTriggered(3334);
315 } else if (proc == kPyOmegaPlus) {
316 gener = PyMbTriggered(-3334);
323 gener->SetOrigin(0., 0., 0.); // vertex position
326 // Size of the interaction diamond
328 Float_t sigmaz = 7.55 / TMath::Sqrt(2.); // [cm]
331 Float_t betast = 10; // beta* [m]
332 Float_t eps = 3.75e-6; // emittance [m]
333 Float_t gamma = 7000. / 0.938272; // relativistic gamma [1]
334 Float_t sigmaxy = TMath::Sqrt(eps * betast / gamma) / TMath::Sqrt(2.) * 100.; // [cm]
335 printf("\n \n Diamond size x-y: %10.3e z: %10.3e\n \n", sigmaxy, sigmaz);
337 gener->SetSigma(sigmaxy, sigmaxy, sigmaz); // Sigma in (X,Y,Z) (cm) on IP position
338 gener->SetCutVertexZ(3.); // Truncate at 3 sigma
339 gener->SetVertexSmear(kPerEvent);
346 comment = comment.Append(" | L3 field 0.2 T");
347 } else if (mag == k4kG) {
348 comment = comment.Append(" | L3 field 0.4 T");
349 } else if (mag == k5kG) {
350 comment = comment.Append(" | L3 field 0.5 T");
352 printf("\n \n Comment: %s \n \n", comment.Data());
354 AliMagFMaps* field = new AliMagFMaps("Maps","Maps", 2, 1., 10., mag);
355 field->SetL3ConstField(0); //Using const. field in the barrel
357 gAlice->SetField(field);
384 //=================== Alice BODY parameters =============================
385 AliBODY *BODY = new AliBODY("BODY", "Alice envelop");
390 //=================== MAG parameters ============================
391 // --- Start with Magnet since detector layouts may be depending ---
392 // --- on the selected Magnet dimensions ---
393 AliMAG *MAG = new AliMAG("MAG", "Magnet");
399 //=================== ABSO parameters ============================
400 AliABSO *ABSO = new AliABSOv3("ABSO", "Muon Absorber");
405 //=================== DIPO parameters ============================
407 AliDIPO *DIPO = new AliDIPOv3("DIPO", "Dipole version 3");
412 //=================== HALL parameters ============================
414 AliHALL *HALL = new AliHALLv3("HALL", "Alice Hall");
420 //=================== FRAME parameters ============================
422 AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame");
432 //=================== SHIL parameters ============================
434 AliSHIL *SHIL = new AliSHILv3("SHIL", "Shielding Version 3");
440 //=================== PIPE parameters ============================
442 AliPIPE *PIPE = new AliPIPEv3("PIPE", "Beam Pipe");
447 //=================== ITS parameters ============================
449 AliITSvPPRasymmFMD *ITS = new AliITSvPPRasymmFMD("ITS","New ITS PPR detailed version with asymmetric services");
454 //============================ TPC parameters =====================
455 AliTPC *TPC = new AliTPCv2("TPC", "Default");
460 //=================== TOF parameters ============================
461 AliTOF *TOF = new AliTOFv6T0("TOF", "normal TOF");
463 // starting at 3h in anticlock-wise direction
464 // looking from A side (ALICE numbering convention),
465 // modules at 1,2,6,7,9,10,11,12,15,16,17
466 //Int_t TOFSectors[18]={0,0,0,-1,-1,-1,0,0,0,0,0,0,-1,-1,-1,0,0,0};
467 //TOF->SetTOFSectors(TOFSectors);
473 //=================== HMPID parameters ===========================
474 AliHMPID *HMPID = new AliHMPIDv2("HMPID", "normal HMPID");
481 //=================== ZDC parameters ============================
483 AliZDC *ZDC = new AliZDCv3("ZDC", "normal ZDC");
488 //=================== TRD parameters ============================
490 AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator");
491 AliTRDgeometry *geoTRD = TRD->GetGeometry();
492 // Partial geometry: modules at 2,3,4,6,11,12,14,15
493 // starting at 6h in positive direction
494 geoTRD->SetSMstatus(0,0);
495 geoTRD->SetSMstatus(1,0);
496 geoTRD->SetSMstatus(5,0);
497 geoTRD->SetSMstatus(7,0);
498 geoTRD->SetSMstatus(8,0);
499 geoTRD->SetSMstatus(9,0);
500 geoTRD->SetSMstatus(10,0);
501 geoTRD->SetSMstatus(13,0);
502 geoTRD->SetSMstatus(16,0);
503 geoTRD->SetSMstatus(17,0);
508 //=================== FMD parameters ============================
509 AliFMD *FMD = new AliFMDv1("FMD", "normal FMD");
514 //=================== MUON parameters ===========================
515 // New MUONv1 version (geometry defined via builders)
516 AliMUON *MUON = new AliMUONv1("MUON", "default");
518 //=================== PHOS parameters ===========================
522 AliPHOS *PHOS = new AliPHOSv1("PHOS", "IHEP");
528 //=================== PMD parameters ============================
529 AliPMD *PMD = new AliPMDv1("PMD", "normal PMD");
534 //=================== T0 parameters ============================
535 AliT0 *T0 = new AliT0v1("T0", "T0 Detector");
540 //=================== EMCAL parameters ============================
541 AliEMCAL *EMCAL = new AliEMCALv2("EMCAL", "SHISH_77_TRD1_2X2_FINAL_110DEG");
546 //=================== ACORDE parameters ============================
547 AliACORDE *ACORDE = new AliACORDEv0("ACORDE", "normal ACORDE");
552 //=================== ACORDE parameters ============================
553 AliVZERO *VZERO = new AliVZEROv7("VZERO", "normal VZERO");
559 AliGenPythia *PythiaHVQ(PDC06Proc_t proc) {
560 //*******************************************************************//
561 // Configuration file for charm / beauty generation with PYTHIA //
563 // The parameters have been tuned in order to reproduce the inclusive//
564 // heavy quark pt distribution given by the NLO pQCD calculation by //
565 // Mangano, Nason and Ridolfi. //
567 // For details and for the NORMALIZATION of the yields see: //
568 // N.Carrer and A.Dainese, //
569 // "Charm and beauty production at the LHC", //
570 // ALICE-INT-2003-019, [arXiv:hep-ph/0311225]; //
571 // PPR Chapter 6.6, CERN/LHCC 2005-030 (2005). //
572 //*******************************************************************//
573 AliGenPythia * gener = 0x0;
577 comment = comment.Append(" Charm in Pb-Pb at 5.5 TeV");
578 gener = new AliGenPythia(nEvts);
579 gener->SetProcess(kPyCharmPbPbMNR);
580 gener->SetStrucFunc(kCTEQ4L);
581 gener->SetPtHard(2.1,-1.0);
582 gener->SetEnergyCMS(5500.);
583 gener->SetNuclei(208,208);
586 comment = comment.Append(" Charm in p-Pb at 8.8 TeV");
587 gener = new AliGenPythia(nEvts);
588 gener->SetProcess(kPyCharmpPbMNR);
589 gener->SetStrucFunc(kCTEQ4L);
590 gener->SetPtHard(2.1,-1.0);
591 gener->SetEnergyCMS(8800.);
592 gener->SetProjectile("P",1,1);
593 gener->SetTarget("Pb",208,82);
596 comment = comment.Append(" Charm in pp at 14 TeV");
597 gener = new AliGenPythia(nEvts);
598 gener->SetProcess(kPyCharmppMNR);
599 gener->SetStrucFunc(kCTEQ4L);
600 gener->SetPtHard(2.1,-1.0);
601 gener->SetEnergyCMS(14000.);
603 case kCharmpp14000wmi:
604 comment = comment.Append(" Charm in pp at 14 TeV with mult. interactions");
605 gener = new AliGenPythia(-1);
606 gener->SetProcess(kPyCharmppMNRwmi);
607 gener->SetStrucFunc(kCTEQ5L);
608 gener->SetPtHard(ptHardMin,ptHardMax);
609 gener->SetEnergyCMS(14000.);
612 comment = comment.Append(" D0 in Pb-Pb at 5.5 TeV");
613 gener = new AliGenPythia(nEvts);
614 gener->SetProcess(kPyD0PbPbMNR);
615 gener->SetStrucFunc(kCTEQ4L);
616 gener->SetPtHard(2.1,-1.0);
617 gener->SetEnergyCMS(5500.);
618 gener->SetNuclei(208,208);
621 comment = comment.Append(" D0 in p-Pb at 8.8 TeV");
622 gener = new AliGenPythia(nEvts);
623 gener->SetProcess(kPyD0pPbMNR);
624 gener->SetStrucFunc(kCTEQ4L);
625 gener->SetPtHard(2.1,-1.0);
626 gener->SetEnergyCMS(8800.);
627 gener->SetProjectile("P",1,1);
628 gener->SetTarget("Pb",208,82);
631 comment = comment.Append(" D0 in pp at 14 TeV");
632 gener = new AliGenPythia(nEvts);
633 gener->SetProcess(kPyD0ppMNR);
634 gener->SetStrucFunc(kCTEQ4L);
635 gener->SetPtHard(2.1,-1.0);
636 gener->SetEnergyCMS(14000.);
639 comment = comment.Append(" DPlus in Pb-Pb at 5.5 TeV");
640 gener = new AliGenPythia(nEvts);
641 gener->SetProcess(kPyDPlusPbPbMNR);
642 gener->SetStrucFunc(kCTEQ4L);
643 gener->SetPtHard(2.1,-1.0);
644 gener->SetEnergyCMS(5500.);
645 gener->SetNuclei(208,208);
648 comment = comment.Append(" DPlus in p-Pb at 8.8 TeV");
649 gener = new AliGenPythia(nEvts);
650 gener->SetProcess(kPyDPluspPbMNR);
651 gener->SetStrucFunc(kCTEQ4L);
652 gener->SetPtHard(2.1,-1.0);
653 gener->SetEnergyCMS(8800.);
654 gener->SetProjectile("P",1,1);
655 gener->SetTarget("Pb",208,82);
658 comment = comment.Append(" DPlus in pp at 14 TeV");
659 gener = new AliGenPythia(nEvts);
660 gener->SetProcess(kPyDPlusppMNR);
661 gener->SetStrucFunc(kCTEQ4L);
662 gener->SetPtHard(2.1,-1.0);
663 gener->SetEnergyCMS(14000.);
665 case kBeautyPbPb5500:
666 comment = comment.Append(" Beauty in Pb-Pb at 5.5 TeV");
667 gener = new AliGenPythia(nEvts);
668 gener->SetProcess(kPyBeautyPbPbMNR);
669 gener->SetStrucFunc(kCTEQ4L);
670 gener->SetPtHard(2.75,-1.0);
671 gener->SetEnergyCMS(5500.);
672 gener->SetNuclei(208,208);
675 comment = comment.Append(" Beauty in p-Pb at 8.8 TeV");
676 gener = new AliGenPythia(nEvts);
677 gener->SetProcess(kPyBeautypPbMNR);
678 gener->SetStrucFunc(kCTEQ4L);
679 gener->SetPtHard(2.75,-1.0);
680 gener->SetEnergyCMS(8800.);
681 gener->SetProjectile("P",1,1);
682 gener->SetTarget("Pb",208,82);
685 comment = comment.Append(" Beauty in pp at 14 TeV");
686 gener = new AliGenPythia(nEvts);
687 gener->SetProcess(kPyBeautyppMNR);
688 gener->SetStrucFunc(kCTEQ4L);
689 gener->SetPtHard(2.75,-1.0);
690 gener->SetEnergyCMS(14000.);
692 case kBeautypp14000wmi:
693 comment = comment.Append(" Beauty in pp at 14 TeV with mult. interactions");
694 gener = new AliGenPythia(-1);
695 gener->SetProcess(kPyBeautyppMNRwmi);
696 gener->SetStrucFunc(kCTEQ5L);
697 gener->SetPtHard(ptHardMin,ptHardMax);
698 gener->SetEnergyCMS(14000.);
705 AliGenerator* MbCocktail()
707 comment = comment.Append(" pp at 14 TeV: Pythia low-pt, no heavy quarks + J/Psi from parameterisation");
708 AliGenCocktail * gener = new AliGenCocktail();
709 gener->UsePerEventRates();
713 AliGenPythia* pythia = new AliGenPythia(-1);
714 pythia->SetMomentumRange(0, 999999.);
715 pythia->SetThetaRange(0., 180.);
716 pythia->SetYRange(-12.,12.);
717 pythia->SetPtRange(0,1000.);
718 pythia->SetProcess(kPyMb);
719 pythia->SetEnergyCMS(14000.);
720 pythia->SwitchHFOff();
723 // J/Psi parameterisation
725 AliGenParam* jpsi = new AliGenParam(1, AliGenMUONlib::kJpsi, "CDF scaled", "Jpsi");
726 jpsi->SetPtRange(0.,100.);
727 jpsi->SetYRange(-8., 8.);
728 jpsi->SetPhiRange(0., 360.);
729 jpsi->SetForceDecay(kAll);
732 gener->AddGenerator(jpsi, "J/Psi", 8.e-4);
733 gener->AddGenerator(pythia, "Pythia", 1.);
739 AliGenerator* PyMbTriggered(Int_t pdg)
741 AliGenPythia* pythia = new AliGenPythia(-1);
742 pythia->SetMomentumRange(0, 999999.);
743 pythia->SetThetaRange(0., 180.);
744 pythia->SetYRange(-12.,12.);
745 pythia->SetPtRange(0,1000.);
746 pythia->SetProcess(kPyMb);
747 pythia->SetEnergyCMS(14000.);
748 pythia->SetTriggerParticle(pdg, 0.9);
752 void ProcessEnvironmentVars()
755 if (gSystem->Getenv("CONFIG_RUN_TYPE")) {
756 for (Int_t iRun = 0; iRun < kRunMax; iRun++) {
757 if (strcmp(gSystem->Getenv("CONFIG_RUN_TYPE"), pprRunName[iRun])==0) {
758 proc = (PDC06Proc_t)iRun;
759 cout<<"Run type set to "<<pprRunName[iRun]<<endl;
764 // Random Number seed
765 if (gSystem->Getenv("CONFIG_SEED")) {
766 seed = atoi(gSystem->Getenv("CONFIG_SEED"));