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/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 //--- Magnetic Field ---
89 //--- Trigger config ---
92 kDefaultPPTrig, kDefaultPbPbTrig
95 const char * TrigConfName[] = {
100 AliGenPythia *PythiaHVQ(PDC06Proc_t proc);
101 AliGenerator *MbCocktail();
102 AliGenerator *PyMbTriggered(Int_t pdg);
103 void ProcessEnvironmentVars();
105 // This part for configuration
106 static PDC06Proc_t proc = kPyMbNoHvq;
107 static DecayHvFl_t decHvFl = kNature;
108 static YCut_t ycut = kFull;
109 static Mag_t mag = k5kG;
110 static TrigConf_t trig = kDefaultPPTrig; // default pp trigger configuration
111 //========================//
112 // Set Random Number seed //
113 //========================//
115 static UInt_t seed = dt.Get();
117 // nEvts = -1 : you get 1 QQbar pair and all the fragmentation and
119 // nEvts = N>0 : you get N charm / beauty Hadrons
121 // stars = kTRUE : all heavy resonances and their decay stored
122 // = kFALSE: only final heavy hadrons and their decays stored
123 Bool_t stars = kTRUE;
125 // To be used only with kCharmppMNRwmi and kBeautyppMNRwmi
126 // To get a "reasonable" agreement with MNR results, events have to be
127 // generated with the minimum ptHard set to 2.76 GeV.
128 // To get a "perfect" agreement with MNR results, events have to be
129 // generated in four ptHard bins with the following relative
141 Float_t ptHardMin = 2.76;
142 Float_t ptHardMax = -1.;
146 static TString comment;
152 // Get settings from environment variables
153 ProcessEnvironmentVars();
155 gRandom->SetSeed(seed);
156 cerr<<"Seed for random number generation= "<<seed<<endl;
158 // libraries required by geant321
159 #if defined(__CINT__)
160 gSystem->Load("liblhapdf");
161 gSystem->Load("libEGPythia6");
162 gSystem->Load("libpythia6");
163 gSystem->Load("libAliPythia6");
164 gSystem->Load("libgeant321");
167 new TGeant3TGeo("C++ Interface to Geant3");
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);
188 // Set the trigger configuration
189 gAlice->SetTriggerDescriptor(TrigConfName[trig]);
190 cout<<"Trigger configuration is set to "<<TrigConfName[trig]<<endl;
193 //=======================================================================
194 // ************* STEERING parameters FOR ALICE SIMULATION **************
195 // --- Specify event type to be tracked through the ALICE setup
196 // --- All positions are in cm, angles in degrees, and P and E in GeV
199 gMC->SetProcess("DCAY",1);
200 gMC->SetProcess("PAIR",1);
201 gMC->SetProcess("COMP",1);
202 gMC->SetProcess("PHOT",1);
203 gMC->SetProcess("PFIS",0);
204 gMC->SetProcess("DRAY",0);
205 gMC->SetProcess("ANNI",1);
206 gMC->SetProcess("BREM",1);
207 gMC->SetProcess("MUNU",1);
208 gMC->SetProcess("CKOV",1);
209 gMC->SetProcess("HADR",1);
210 gMC->SetProcess("LOSS",2);
211 gMC->SetProcess("MULS",1);
212 gMC->SetProcess("RAYL",1);
214 Float_t cut = 1.e-3; // 1MeV cut by default
215 Float_t tofmax = 1.e10;
217 gMC->SetCut("CUTGAM", cut);
218 gMC->SetCut("CUTELE", cut);
219 gMC->SetCut("CUTNEU", cut);
220 gMC->SetCut("CUTHAD", cut);
221 gMC->SetCut("CUTMUO", cut);
222 gMC->SetCut("BCUTE", cut);
223 gMC->SetCut("BCUTM", cut);
224 gMC->SetCut("DCUTE", cut);
225 gMC->SetCut("DCUTM", cut);
226 gMC->SetCut("PPCUTM", cut);
227 gMC->SetCut("TOFMAX", tofmax);
232 // Set External decayer //
233 //======================//
234 TVirtualMCDecayer* decayer = new AliDecayerPythia();
239 decayer->SetForceDecay(kAll);
242 decayer->SetForceDecay(kHadronicD);
245 decayer->SetForceDecay(kSemiElectronic);
248 decayer->SetForceDecay(kSemiMuonic);
252 gMC->SetExternalDecayer(decayer);
254 //=========================//
255 // Generator Configuration //
256 //=========================//
257 AliGenerator* gener = 0x0;
259 if (proc <= kBeautypp14000wmi) {
260 AliGenPythia *pythia = PythiaHVQ(proc);
262 pythia->SetFeedDownHigherFamily(kFALSE);
263 // Stack filling option
264 if(!stars) pythia->SetStackFillOpt(AliGenPythia::kParentSelection);
266 if(nEvts>0) pythia->SetCountMode(AliGenPythia::kCountParents);
272 pythia->SetForceDecay(kAll);
275 pythia->SetForceDecay(kHadronicD);
278 pythia->SetForceDecay(kSemiElectronic);
281 pythia->SetForceDecay(kSemiMuonic);
287 pythia->SetMomentumRange(0,99999999);
288 pythia->SetPhiRange(0., 360.);
289 pythia->SetThetaRange(0,180);
292 pythia->SetYRange(-999,999);
295 pythia->SetYRange(-2,2);
298 pythia->SetYRange(1,6);
302 } else if (proc == kPyMbNoHvq) {
303 gener = MbCocktail();
304 } else if (proc == kPyOmegaMinus) {
305 gener = PyMbTriggered(3334);
306 } else if (proc == kPyOmegaPlus) {
307 gener = PyMbTriggered(-3334);
314 gener->SetOrigin(0., 0., 0.); // vertex position
317 // Size of the interaction diamond
319 Float_t sigmaz = 7.55 / TMath::Sqrt(2.); // [cm]
322 Float_t betast = 10; // beta* [m]
323 Float_t eps = 3.75e-6; // emittance [m]
324 Float_t gamma = 7000. / 0.938272; // relativistic gamma [1]
325 Float_t sigmaxy = TMath::Sqrt(eps * betast / gamma) / TMath::Sqrt(2.) * 100.; // [cm]
326 printf("\n \n Diamond size x-y: %10.3e z: %10.3e\n \n", sigmaxy, sigmaz);
328 gener->SetSigma(sigmaxy, sigmaxy, sigmaz); // Sigma in (X,Y,Z) (cm) on IP position
329 gener->SetCutVertexZ(3.); // Truncate at 3 sigma
330 gener->SetVertexSmear(kPerEvent);
337 comment = comment.Append(" | L3 field 0.2 T");
338 } else if (mag == k4kG) {
339 comment = comment.Append(" | L3 field 0.4 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 AliMagFMaps* field = new AliMagFMaps("Maps","Maps", 2, 1., 10., mag);
346 field->SetL3ConstField(0); //Using const. field in the barrel
348 gAlice->SetField(field);
375 //=================== Alice BODY parameters =============================
376 AliBODY *BODY = new AliBODY("BODY", "Alice envelop");
381 //=================== MAG parameters ============================
382 // --- Start with Magnet since detector layouts may be depending ---
383 // --- on the selected Magnet dimensions ---
384 AliMAG *MAG = new AliMAG("MAG", "Magnet");
390 //=================== ABSO parameters ============================
391 AliABSO *ABSO = new AliABSOv3("ABSO", "Muon Absorber");
396 //=================== DIPO parameters ============================
398 AliDIPO *DIPO = new AliDIPOv3("DIPO", "Dipole version 3");
403 //=================== HALL parameters ============================
405 AliHALL *HALL = new AliHALLv3("HALL", "Alice Hall");
411 //=================== FRAME parameters ============================
413 AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame");
419 //=================== SHIL parameters ============================
421 AliSHIL *SHIL = new AliSHILv3("SHIL", "Shielding Version 3");
427 //=================== PIPE parameters ============================
429 AliPIPE *PIPE = new AliPIPEv3("PIPE", "Beam Pipe");
434 //=================== ITS parameters ============================
436 AliITS *ITS = new AliITSv11Hybrid("ITS","ITS v11Hybrid");
441 //============================ TPC parameters =====================
442 AliTPC *TPC = new AliTPCv2("TPC", "Default");
447 //=================== TOF parameters ============================
448 AliTOF *TOF = new AliTOFv6T0("TOF", "normal TOF");
454 //=================== HMPID parameters ===========================
455 AliHMPID *HMPID = new AliHMPIDv3("HMPID", "normal HMPID");
462 //=================== ZDC parameters ============================
464 AliZDC *ZDC = new AliZDCv3("ZDC", "normal ZDC");
469 //=================== TRD parameters ============================
471 AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator");
472 AliTRDgeometry *geoTRD = TRD->GetGeometry();
473 // Partial geometry: modules at 2,3,4,6,11,12,14,15
474 // starting at 6h in positive direction
475 geoTRD->SetSMstatus(0,0);
476 geoTRD->SetSMstatus(1,0);
477 geoTRD->SetSMstatus(5,0);
478 geoTRD->SetSMstatus(7,0);
479 geoTRD->SetSMstatus(8,0);
480 geoTRD->SetSMstatus(9,0);
481 geoTRD->SetSMstatus(10,0);
482 geoTRD->SetSMstatus(13,0);
483 geoTRD->SetSMstatus(16,0);
484 geoTRD->SetSMstatus(17,0);
489 //=================== FMD parameters ============================
490 AliFMD *FMD = new AliFMDv1("FMD", "normal FMD");
495 //=================== MUON parameters ===========================
496 // New MUONv1 version (geometry defined via builders)
497 AliMUON *MUON = new AliMUONv1("MUON", "default");
499 //=================== PHOS parameters ===========================
503 AliPHOS *PHOS = new AliPHOSv1("PHOS", "IHEP");
509 //=================== PMD parameters ============================
510 AliPMD *PMD = new AliPMDv1("PMD", "normal PMD");
515 //=================== T0 parameters ============================
516 AliT0 *T0 = new AliT0v1("T0", "T0 Detector");
521 //=================== EMCAL parameters ============================
522 AliEMCAL *EMCAL = new AliEMCALv2("EMCAL", "EMCAL_COMPLETE");
527 //=================== ACORDE parameters ============================
528 AliACORDE *ACORDE = new AliACORDEv1("ACORDE", "normal ACORDE");
533 //=================== VZERO parameters ============================
534 AliVZERO *VZERO = new AliVZEROv7("VZERO", "normal VZERO");
540 AliGenPythia *PythiaHVQ(PDC06Proc_t proc) {
541 //*******************************************************************//
542 // Configuration file for charm / beauty generation with PYTHIA //
544 // The parameters have been tuned in order to reproduce the inclusive//
545 // heavy quark pt distribution given by the NLO pQCD calculation by //
546 // Mangano, Nason and Ridolfi. //
548 // For details and for the NORMALIZATION of the yields see: //
549 // N.Carrer and A.Dainese, //
550 // "Charm and beauty production at the LHC", //
551 // ALICE-INT-2003-019, [arXiv:hep-ph/0311225]; //
552 // PPR Chapter 6.6, CERN/LHCC 2005-030 (2005). //
553 //*******************************************************************//
554 AliGenPythia * gener = 0x0;
558 comment = comment.Append(" Charm in Pb-Pb at 5.5 TeV");
559 gener = new AliGenPythia(nEvts);
560 gener->SetProcess(kPyCharmPbPbMNR);
561 gener->SetStrucFunc(kCTEQ4L);
562 gener->SetPtHard(2.1,-1.0);
563 gener->SetEnergyCMS(5500.);
564 gener->SetNuclei(208,208);
567 comment = comment.Append(" Charm in p-Pb at 8.8 TeV");
568 gener = new AliGenPythia(nEvts);
569 gener->SetProcess(kPyCharmpPbMNR);
570 gener->SetStrucFunc(kCTEQ4L);
571 gener->SetPtHard(2.1,-1.0);
572 gener->SetEnergyCMS(8800.);
573 gener->SetProjectile("P",1,1);
574 gener->SetTarget("Pb",208,82);
577 comment = comment.Append(" Charm in pp at 14 TeV");
578 gener = new AliGenPythia(nEvts);
579 gener->SetProcess(kPyCharmppMNR);
580 gener->SetStrucFunc(kCTEQ4L);
581 gener->SetPtHard(2.1,-1.0);
582 gener->SetEnergyCMS(14000.);
584 case kCharmpp14000wmi:
585 comment = comment.Append(" Charm in pp at 14 TeV with mult. interactions");
586 gener = new AliGenPythia(-1);
587 gener->SetProcess(kPyCharmppMNRwmi);
588 gener->SetStrucFunc(kCTEQ5L);
589 gener->SetPtHard(ptHardMin,ptHardMax);
590 gener->SetEnergyCMS(14000.);
593 comment = comment.Append(" D0 in Pb-Pb at 5.5 TeV");
594 gener = new AliGenPythia(nEvts);
595 gener->SetProcess(kPyD0PbPbMNR);
596 gener->SetStrucFunc(kCTEQ4L);
597 gener->SetPtHard(2.1,-1.0);
598 gener->SetEnergyCMS(5500.);
599 gener->SetNuclei(208,208);
602 comment = comment.Append(" D0 in p-Pb at 8.8 TeV");
603 gener = new AliGenPythia(nEvts);
604 gener->SetProcess(kPyD0pPbMNR);
605 gener->SetStrucFunc(kCTEQ4L);
606 gener->SetPtHard(2.1,-1.0);
607 gener->SetEnergyCMS(8800.);
608 gener->SetProjectile("P",1,1);
609 gener->SetTarget("Pb",208,82);
612 comment = comment.Append(" D0 in pp at 14 TeV");
613 gener = new AliGenPythia(nEvts);
614 gener->SetProcess(kPyD0ppMNR);
615 gener->SetStrucFunc(kCTEQ4L);
616 gener->SetPtHard(2.1,-1.0);
617 gener->SetEnergyCMS(14000.);
620 comment = comment.Append(" DPlus in Pb-Pb at 5.5 TeV");
621 gener = new AliGenPythia(nEvts);
622 gener->SetProcess(kPyDPlusPbPbMNR);
623 gener->SetStrucFunc(kCTEQ4L);
624 gener->SetPtHard(2.1,-1.0);
625 gener->SetEnergyCMS(5500.);
626 gener->SetNuclei(208,208);
629 comment = comment.Append(" DPlus in p-Pb at 8.8 TeV");
630 gener = new AliGenPythia(nEvts);
631 gener->SetProcess(kPyDPluspPbMNR);
632 gener->SetStrucFunc(kCTEQ4L);
633 gener->SetPtHard(2.1,-1.0);
634 gener->SetEnergyCMS(8800.);
635 gener->SetProjectile("P",1,1);
636 gener->SetTarget("Pb",208,82);
639 comment = comment.Append(" DPlus in pp at 14 TeV");
640 gener = new AliGenPythia(nEvts);
641 gener->SetProcess(kPyDPlusppMNR);
642 gener->SetStrucFunc(kCTEQ4L);
643 gener->SetPtHard(2.1,-1.0);
644 gener->SetEnergyCMS(14000.);
646 case kBeautyPbPb5500:
647 comment = comment.Append(" Beauty in Pb-Pb at 5.5 TeV");
648 gener = new AliGenPythia(nEvts);
649 gener->SetProcess(kPyBeautyPbPbMNR);
650 gener->SetStrucFunc(kCTEQ4L);
651 gener->SetPtHard(2.75,-1.0);
652 gener->SetEnergyCMS(5500.);
653 gener->SetNuclei(208,208);
656 comment = comment.Append(" Beauty in p-Pb at 8.8 TeV");
657 gener = new AliGenPythia(nEvts);
658 gener->SetProcess(kPyBeautypPbMNR);
659 gener->SetStrucFunc(kCTEQ4L);
660 gener->SetPtHard(2.75,-1.0);
661 gener->SetEnergyCMS(8800.);
662 gener->SetProjectile("P",1,1);
663 gener->SetTarget("Pb",208,82);
666 comment = comment.Append(" Beauty in pp at 14 TeV");
667 gener = new AliGenPythia(nEvts);
668 gener->SetProcess(kPyBeautyppMNR);
669 gener->SetStrucFunc(kCTEQ4L);
670 gener->SetPtHard(2.75,-1.0);
671 gener->SetEnergyCMS(14000.);
673 case kBeautypp14000wmi:
674 comment = comment.Append(" Beauty in pp at 14 TeV with mult. interactions");
675 gener = new AliGenPythia(-1);
676 gener->SetProcess(kPyBeautyppMNRwmi);
677 gener->SetStrucFunc(kCTEQ5L);
678 gener->SetPtHard(ptHardMin,ptHardMax);
679 gener->SetEnergyCMS(14000.);
686 AliGenerator* MbCocktail()
688 comment = comment.Append(" pp at 14 TeV: Pythia low-pt, no heavy quarks + J/Psi from parameterisation");
689 AliGenCocktail * gener = new AliGenCocktail();
690 gener->UsePerEventRates();
694 AliGenPythia* pythia = new AliGenPythia(-1);
695 pythia->SetMomentumRange(0, 999999.);
696 pythia->SetThetaRange(0., 180.);
697 pythia->SetYRange(-12.,12.);
698 pythia->SetPtRange(0,1000.);
699 pythia->SetProcess(kPyMb);
700 pythia->SetEnergyCMS(14000.);
701 pythia->SwitchHFOff();
704 // J/Psi parameterisation
706 AliGenParam* jpsi = new AliGenParam(1, AliGenMUONlib::kJpsi, "CDF scaled", "Jpsi");
707 jpsi->SetPtRange(0.,100.);
708 jpsi->SetYRange(-8., 8.);
709 jpsi->SetPhiRange(0., 360.);
710 jpsi->SetForceDecay(kAll);
713 gener->AddGenerator(jpsi, "J/Psi", 8.e-4);
714 gener->AddGenerator(pythia, "Pythia", 1.);
720 AliGenerator* PyMbTriggered(Int_t pdg)
722 AliGenPythia* pythia = new AliGenPythia(-1);
723 pythia->SetMomentumRange(0, 999999.);
724 pythia->SetThetaRange(0., 180.);
725 pythia->SetYRange(-12.,12.);
726 pythia->SetPtRange(0,1000.);
727 pythia->SetProcess(kPyMb);
728 pythia->SetEnergyCMS(14000.);
729 pythia->SetTriggerParticle(pdg, 0.9);
733 void ProcessEnvironmentVars()
736 if (gSystem->Getenv("CONFIG_RUN_TYPE")) {
737 for (Int_t iRun = 0; iRun < kRunMax; iRun++) {
738 if (strcmp(gSystem->Getenv("CONFIG_RUN_TYPE"), pprRunName[iRun])==0) {
739 proc = (PDC06Proc_t)iRun;
740 cout<<"Run type set to "<<pprRunName[iRun]<<endl;
745 // Random Number seed
746 if (gSystem->Getenv("CONFIG_SEED")) {
747 seed = atoi(gSystem->Getenv("CONFIG_SEED"));