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("liblhapdf");
167 gSystem->Load("libEGPythia6");
168 gSystem->Load("libpythia6");
169 gSystem->Load("libAliPythia6");
170 gSystem->Load("libgeant321");
173 new TGeant3TGeo("C++ Interface to Geant3");
175 //=======================================================================
176 // Create the output file
179 AliRunLoader* rl=0x0;
181 cout<<"Config.C: Creating Run Loader ..."<<endl;
182 rl = AliRunLoader::Open("galice.root",
183 AliConfig::GetDefaultEventFolderName(),
187 gAlice->Fatal("Config.C","Can not instatiate the Run Loader");
190 rl->SetCompressionLevel(2);
191 rl->SetNumberOfEventsPerFile(1000);
192 gAlice->SetRunLoader(rl);
194 // Set the trigger configuration
195 gAlice->SetTriggerDescriptor(TrigConfName[trig]);
196 cout<<"Trigger configuration is set to "<<TrigConfName[trig]<<endl;
199 //=======================================================================
200 // ************* STEERING parameters FOR ALICE SIMULATION **************
201 // --- Specify event type to be tracked through the ALICE setup
202 // --- All positions are in cm, angles in degrees, and P and E in GeV
205 gMC->SetProcess("DCAY",1);
206 gMC->SetProcess("PAIR",1);
207 gMC->SetProcess("COMP",1);
208 gMC->SetProcess("PHOT",1);
209 gMC->SetProcess("PFIS",0);
210 gMC->SetProcess("DRAY",0);
211 gMC->SetProcess("ANNI",1);
212 gMC->SetProcess("BREM",1);
213 gMC->SetProcess("MUNU",1);
214 gMC->SetProcess("CKOV",1);
215 gMC->SetProcess("HADR",1);
216 gMC->SetProcess("LOSS",2);
217 gMC->SetProcess("MULS",1);
218 gMC->SetProcess("RAYL",1);
220 Float_t cut = 1.e-3; // 1MeV cut by default
221 Float_t tofmax = 1.e10;
223 gMC->SetCut("CUTGAM", cut);
224 gMC->SetCut("CUTELE", cut);
225 gMC->SetCut("CUTNEU", cut);
226 gMC->SetCut("CUTHAD", cut);
227 gMC->SetCut("CUTMUO", cut);
228 gMC->SetCut("BCUTE", cut);
229 gMC->SetCut("BCUTM", cut);
230 gMC->SetCut("DCUTE", cut);
231 gMC->SetCut("DCUTM", cut);
232 gMC->SetCut("PPCUTM", cut);
233 gMC->SetCut("TOFMAX", tofmax);
238 // Set External decayer //
239 //======================//
240 TVirtualMCDecayer* decayer = new AliDecayerPythia();
245 decayer->SetForceDecay(kAll);
248 decayer->SetForceDecay(kHadronicD);
251 decayer->SetForceDecay(kSemiElectronic);
254 decayer->SetForceDecay(kSemiMuonic);
258 gMC->SetExternalDecayer(decayer);
260 //=========================//
261 // Generator Configuration //
262 //=========================//
263 AliGenerator* gener = 0x0;
265 if (proc <= kBeautypp14000wmi) {
266 AliGenPythia *pythia = PythiaHVQ(proc);
268 pythia->SetFeedDownHigherFamily(kFALSE);
269 // Stack filling option
270 if(!stars) pythia->SetStackFillOpt(AliGenPythia::kParentSelection);
272 if(nEvts>0) pythia->SetCountMode(AliGenPythia::kCountParents);
278 pythia->SetForceDecay(kAll);
281 pythia->SetForceDecay(kHadronicD);
284 pythia->SetForceDecay(kSemiElectronic);
287 pythia->SetForceDecay(kSemiMuonic);
293 pythia->SetMomentumRange(0,99999999);
294 pythia->SetPhiRange(0., 360.);
295 pythia->SetThetaRange(0,180);
298 pythia->SetYRange(-999,999);
301 pythia->SetYRange(-2,2);
304 pythia->SetYRange(1,6);
308 } else if (proc == kPyMbNoHvq) {
309 gener = MbCocktail();
310 } else if (proc == kPyOmegaMinus) {
311 gener = PyMbTriggered(3334);
312 } else if (proc == kPyOmegaPlus) {
313 gener = PyMbTriggered(-3334);
320 gener->SetOrigin(0., 0., 0.); // vertex position
323 // Size of the interaction diamond
325 Float_t sigmaz = 7.55 / TMath::Sqrt(2.); // [cm]
328 Float_t betast = 10; // beta* [m]
329 Float_t eps = 3.75e-6; // emittance [m]
330 Float_t gamma = 7000. / 0.938272; // relativistic gamma [1]
331 Float_t sigmaxy = TMath::Sqrt(eps * betast / gamma) / TMath::Sqrt(2.) * 100.; // [cm]
332 printf("\n \n Diamond size x-y: %10.3e z: %10.3e\n \n", sigmaxy, sigmaz);
334 gener->SetSigma(sigmaxy, sigmaxy, sigmaz); // Sigma in (X,Y,Z) (cm) on IP position
335 gener->SetCutVertexZ(3.); // Truncate at 3 sigma
336 gener->SetVertexSmear(kPerEvent);
343 comment = comment.Append(" | L3 field 0.2 T");
344 } else if (mag == k4kG) {
345 comment = comment.Append(" | L3 field 0.4 T");
346 } else if (mag == k5kG) {
347 comment = comment.Append(" | L3 field 0.5 T");
349 printf("\n \n Comment: %s \n \n", comment.Data());
351 AliMagFMaps* field = new AliMagFMaps("Maps","Maps", 2, 1., 10., mag);
352 field->SetL3ConstField(0); //Using const. field in the barrel
354 gAlice->SetField(field);
381 //=================== Alice BODY parameters =============================
382 AliBODY *BODY = new AliBODY("BODY", "Alice envelop");
387 //=================== MAG parameters ============================
388 // --- Start with Magnet since detector layouts may be depending ---
389 // --- on the selected Magnet dimensions ---
390 AliMAG *MAG = new AliMAG("MAG", "Magnet");
396 //=================== ABSO parameters ============================
397 AliABSO *ABSO = new AliABSOv3("ABSO", "Muon Absorber");
402 //=================== DIPO parameters ============================
404 AliDIPO *DIPO = new AliDIPOv3("DIPO", "Dipole version 3");
409 //=================== HALL parameters ============================
411 AliHALL *HALL = new AliHALLv3("HALL", "Alice Hall");
417 //=================== FRAME parameters ============================
419 AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame");
429 //=================== SHIL parameters ============================
431 AliSHIL *SHIL = new AliSHILv3("SHIL", "Shielding Version 3");
437 //=================== PIPE parameters ============================
439 AliPIPE *PIPE = new AliPIPEv3("PIPE", "Beam Pipe");
444 //=================== ITS parameters ============================
446 AliITSvPPRasymmFMD *ITS = new AliITSvPPRasymmFMD("ITS","New ITS PPR detailed version with asymmetric services");
451 //============================ TPC parameters =====================
452 AliTPC *TPC = new AliTPCv2("TPC", "Default");
457 //=================== TOF parameters ============================
458 AliTOF *TOF = new AliTOFv6T0("TOF", "normal TOF");
459 // Partial geometry: modules at 2,3,4,6,7,11,12,14,15,16
460 // starting at 6h in positive direction
461 // Int_t TOFSectors[18]={-1,-1,0,0,0,-1,0,0,-1,-1,-1,0,0,-1,0,0,0,0};
462 // Partial geometry: modules at 1,2,6,7,9,10,11,12,15,16,17
463 // (ALICE numbering convention)
464 Int_t TOFSectors[18]={-1,0,0,-1,-1,-1,0,0,-1,0,0,0,0,-1,-1,0,0,0};
465 TOF->SetTOFSectors(TOFSectors);
471 //=================== HMPID parameters ===========================
472 AliHMPID *HMPID = new AliHMPIDv2("HMPID", "normal HMPID");
479 //=================== ZDC parameters ============================
481 AliZDC *ZDC = new AliZDCv3("ZDC", "normal ZDC");
486 //=================== TRD parameters ============================
488 AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator");
489 AliTRDgeometry *geoTRD = TRD->GetGeometry();
490 // Partial geometry: modules at 2,3,4,6,11,12,14,15
491 // starting at 6h in positive direction
492 geoTRD->SetSMstatus(0,0);
493 geoTRD->SetSMstatus(1,0);
494 geoTRD->SetSMstatus(5,0);
495 geoTRD->SetSMstatus(7,0);
496 geoTRD->SetSMstatus(8,0);
497 geoTRD->SetSMstatus(9,0);
498 geoTRD->SetSMstatus(10,0);
499 geoTRD->SetSMstatus(13,0);
500 geoTRD->SetSMstatus(16,0);
501 geoTRD->SetSMstatus(17,0);
506 //=================== FMD parameters ============================
507 AliFMD *FMD = new AliFMDv1("FMD", "normal FMD");
512 //=================== MUON parameters ===========================
513 // New MUONv1 version (geometry defined via builders)
514 AliMUON *MUON = new AliMUONv1("MUON", "default");
516 //=================== PHOS parameters ===========================
520 AliPHOS *PHOS = new AliPHOSv1("PHOS", "IHEP");
526 //=================== PMD parameters ============================
527 AliPMD *PMD = new AliPMDv1("PMD", "normal PMD");
532 //=================== T0 parameters ============================
533 AliT0 *T0 = new AliT0v1("T0", "T0 Detector");
538 //=================== EMCAL parameters ============================
539 AliEMCAL *EMCAL = new AliEMCALv2("EMCAL", "SHISH_77_TRD1_2X2_FINAL_110DEG");
544 //=================== ACORDE parameters ============================
545 AliACORDE *ACORDE = new AliACORDEv0("ACORDE", "normal ACORDE");
550 //=================== VZERO parameters ============================
551 AliVZERO *VZERO = new AliVZEROv7("VZERO", "normal VZERO");
557 AliGenPythia *PythiaHVQ(PDC06Proc_t proc) {
558 //*******************************************************************//
559 // Configuration file for charm / beauty generation with PYTHIA //
561 // The parameters have been tuned in order to reproduce the inclusive//
562 // heavy quark pt distribution given by the NLO pQCD calculation by //
563 // Mangano, Nason and Ridolfi. //
565 // For details and for the NORMALIZATION of the yields see: //
566 // N.Carrer and A.Dainese, //
567 // "Charm and beauty production at the LHC", //
568 // ALICE-INT-2003-019, [arXiv:hep-ph/0311225]; //
569 // PPR Chapter 6.6, CERN/LHCC 2005-030 (2005). //
570 //*******************************************************************//
571 AliGenPythia * gener = 0x0;
575 comment = comment.Append(" Charm in Pb-Pb at 5.5 TeV");
576 gener = new AliGenPythia(nEvts);
577 gener->SetProcess(kPyCharmPbPbMNR);
578 gener->SetStrucFunc(kCTEQ4L);
579 gener->SetPtHard(2.1,-1.0);
580 gener->SetEnergyCMS(5500.);
581 gener->SetNuclei(208,208);
584 comment = comment.Append(" Charm in p-Pb at 8.8 TeV");
585 gener = new AliGenPythia(nEvts);
586 gener->SetProcess(kPyCharmpPbMNR);
587 gener->SetStrucFunc(kCTEQ4L);
588 gener->SetPtHard(2.1,-1.0);
589 gener->SetEnergyCMS(8800.);
590 gener->SetProjectile("P",1,1);
591 gener->SetTarget("Pb",208,82);
594 comment = comment.Append(" Charm in pp at 14 TeV");
595 gener = new AliGenPythia(nEvts);
596 gener->SetProcess(kPyCharmppMNR);
597 gener->SetStrucFunc(kCTEQ4L);
598 gener->SetPtHard(2.1,-1.0);
599 gener->SetEnergyCMS(14000.);
601 case kCharmpp14000wmi:
602 comment = comment.Append(" Charm in pp at 14 TeV with mult. interactions");
603 gener = new AliGenPythia(-1);
604 gener->SetProcess(kPyCharmppMNRwmi);
605 gener->SetStrucFunc(kCTEQ5L);
606 gener->SetPtHard(ptHardMin,ptHardMax);
607 gener->SetEnergyCMS(14000.);
610 comment = comment.Append(" D0 in Pb-Pb at 5.5 TeV");
611 gener = new AliGenPythia(nEvts);
612 gener->SetProcess(kPyD0PbPbMNR);
613 gener->SetStrucFunc(kCTEQ4L);
614 gener->SetPtHard(2.1,-1.0);
615 gener->SetEnergyCMS(5500.);
616 gener->SetNuclei(208,208);
619 comment = comment.Append(" D0 in p-Pb at 8.8 TeV");
620 gener = new AliGenPythia(nEvts);
621 gener->SetProcess(kPyD0pPbMNR);
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(" D0 in pp at 14 TeV");
630 gener = new AliGenPythia(nEvts);
631 gener->SetProcess(kPyD0ppMNR);
632 gener->SetStrucFunc(kCTEQ4L);
633 gener->SetPtHard(2.1,-1.0);
634 gener->SetEnergyCMS(14000.);
637 comment = comment.Append(" DPlus in Pb-Pb at 5.5 TeV");
638 gener = new AliGenPythia(nEvts);
639 gener->SetProcess(kPyDPlusPbPbMNR);
640 gener->SetStrucFunc(kCTEQ4L);
641 gener->SetPtHard(2.1,-1.0);
642 gener->SetEnergyCMS(5500.);
643 gener->SetNuclei(208,208);
646 comment = comment.Append(" DPlus in p-Pb at 8.8 TeV");
647 gener = new AliGenPythia(nEvts);
648 gener->SetProcess(kPyDPluspPbMNR);
649 gener->SetStrucFunc(kCTEQ4L);
650 gener->SetPtHard(2.1,-1.0);
651 gener->SetEnergyCMS(8800.);
652 gener->SetProjectile("P",1,1);
653 gener->SetTarget("Pb",208,82);
656 comment = comment.Append(" DPlus in pp at 14 TeV");
657 gener = new AliGenPythia(nEvts);
658 gener->SetProcess(kPyDPlusppMNR);
659 gener->SetStrucFunc(kCTEQ4L);
660 gener->SetPtHard(2.1,-1.0);
661 gener->SetEnergyCMS(14000.);
663 case kBeautyPbPb5500:
664 comment = comment.Append(" Beauty in Pb-Pb at 5.5 TeV");
665 gener = new AliGenPythia(nEvts);
666 gener->SetProcess(kPyBeautyPbPbMNR);
667 gener->SetStrucFunc(kCTEQ4L);
668 gener->SetPtHard(2.75,-1.0);
669 gener->SetEnergyCMS(5500.);
670 gener->SetNuclei(208,208);
673 comment = comment.Append(" Beauty in p-Pb at 8.8 TeV");
674 gener = new AliGenPythia(nEvts);
675 gener->SetProcess(kPyBeautypPbMNR);
676 gener->SetStrucFunc(kCTEQ4L);
677 gener->SetPtHard(2.75,-1.0);
678 gener->SetEnergyCMS(8800.);
679 gener->SetProjectile("P",1,1);
680 gener->SetTarget("Pb",208,82);
683 comment = comment.Append(" Beauty in pp at 14 TeV");
684 gener = new AliGenPythia(nEvts);
685 gener->SetProcess(kPyBeautyppMNR);
686 gener->SetStrucFunc(kCTEQ4L);
687 gener->SetPtHard(2.75,-1.0);
688 gener->SetEnergyCMS(14000.);
690 case kBeautypp14000wmi:
691 comment = comment.Append(" Beauty in pp at 14 TeV with mult. interactions");
692 gener = new AliGenPythia(-1);
693 gener->SetProcess(kPyBeautyppMNRwmi);
694 gener->SetStrucFunc(kCTEQ5L);
695 gener->SetPtHard(ptHardMin,ptHardMax);
696 gener->SetEnergyCMS(14000.);
703 AliGenerator* MbCocktail()
705 comment = comment.Append(" pp at 14 TeV: Pythia low-pt, no heavy quarks + J/Psi from parameterisation");
706 AliGenCocktail * gener = new AliGenCocktail();
707 gener->UsePerEventRates();
711 AliGenPythia* pythia = new AliGenPythia(-1);
712 pythia->SetMomentumRange(0, 999999.);
713 pythia->SetThetaRange(0., 180.);
714 pythia->SetYRange(-12.,12.);
715 pythia->SetPtRange(0,1000.);
716 pythia->SetProcess(kPyMb);
717 pythia->SetEnergyCMS(14000.);
718 pythia->SwitchHFOff();
721 // J/Psi parameterisation
723 AliGenParam* jpsi = new AliGenParam(1, AliGenMUONlib::kJpsi, "CDF scaled", "Jpsi");
724 jpsi->SetPtRange(0.,100.);
725 jpsi->SetYRange(-8., 8.);
726 jpsi->SetPhiRange(0., 360.);
727 jpsi->SetForceDecay(kAll);
730 gener->AddGenerator(jpsi, "J/Psi", 8.e-4);
731 gener->AddGenerator(pythia, "Pythia", 1.);
737 AliGenerator* PyMbTriggered(Int_t pdg)
739 AliGenPythia* pythia = new AliGenPythia(-1);
740 pythia->SetMomentumRange(0, 999999.);
741 pythia->SetThetaRange(0., 180.);
742 pythia->SetYRange(-12.,12.);
743 pythia->SetPtRange(0,1000.);
744 pythia->SetProcess(kPyMb);
745 pythia->SetEnergyCMS(14000.);
746 pythia->SetTriggerParticle(pdg, 0.9);
750 void ProcessEnvironmentVars()
753 if (gSystem->Getenv("CONFIG_RUN_TYPE")) {
754 for (Int_t iRun = 0; iRun < kRunMax; iRun++) {
755 if (strcmp(gSystem->Getenv("CONFIG_RUN_TYPE"), pprRunName[iRun])==0) {
756 proc = (PDC06Proc_t)iRun;
757 cout<<"Run type set to "<<pprRunName[iRun]<<endl;
762 // Random Number seed
763 if (gSystem->Getenv("CONFIG_SEED")) {
764 seed = atoi(gSystem->Getenv("CONFIG_SEED"));