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[] = {
106 AliGenPythia *PythiaHVQ(PDC06Proc_t proc);
107 AliGenerator *MbCocktail();
108 AliGenerator *PyMbTriggered(Int_t pdg);
109 void ProcessEnvironmentVars();
112 // This part for configuration
113 static PDC06Proc_t proc = kPyMbNoHvq;
114 static DecayHvFl_t decHvFl = kNature;
115 static YCut_t ycut = kFull;
116 static Mag_t mag = k5kG;
117 static TrigConf_t trig = kDefaultPPTrig; // default pp trigger configuration
118 static PprGeo_t geo = kHoles;
119 //========================//
120 // Set Random Number seed //
121 //========================//
123 static UInt_t seed = dt.Get();
125 // nEvts = -1 : you get 1 QQbar pair and all the fragmentation and
127 // nEvts = N>0 : you get N charm / beauty Hadrons
129 // stars = kTRUE : all heavy resonances and their decay stored
130 // = kFALSE: only final heavy hadrons and their decays stored
131 Bool_t stars = kTRUE;
133 // To be used only with kCharmppMNRwmi and kBeautyppMNRwmi
134 // To get a "reasonable" agreement with MNR results, events have to be
135 // generated with the minimum ptHard set to 2.76 GeV.
136 // To get a "perfect" agreement with MNR results, events have to be
137 // generated in four ptHard bins with the following relative
149 Float_t ptHardMin = 2.76;
150 Float_t ptHardMax = -1.;
154 static TString comment;
160 // Get settings from environment variables
161 ProcessEnvironmentVars();
162 // Load pythia libraries
166 gRandom->SetSeed(seed);
167 cerr<<"Seed for random number generation= "<<seed<<endl;
169 // libraries required by geant321
170 #if defined(__CINT__)
171 gSystem->Load("libgeant321");
174 new TGeant3TGeo("C++ Interface to Geant3");
176 if(!AliCDBManager::Instance()->IsDefaultStorageSet()){
177 AliCDBManager::Instance()->SetDefaultStorage("local://$ALICE_ROOT");
178 AliCDBManager::Instance()->SetRun(0);
181 //=======================================================================
182 // Create the output file
185 AliRunLoader* rl=0x0;
187 cout<<"Config.C: Creating Run Loader ..."<<endl;
188 rl = AliRunLoader::Open("galice.root",
189 AliConfig::GetDefaultEventFolderName(),
193 gAlice->Fatal("Config.C","Can not instatiate the Run Loader");
196 rl->SetCompressionLevel(2);
197 rl->SetNumberOfEventsPerFile(1000);
198 gAlice->SetRunLoader(rl);
199 // gAlice->SetGeometryFromFile("geometry.root");
200 // gAlice->SetGeometryFromCDB();
202 // Set the trigger configuration
203 gAlice->SetTriggerDescriptor(TrigConfName[trig]);
204 cout<<"Trigger configuration is set to "<<TrigConfName[trig]<<endl;
207 //=======================================================================
208 // ************* STEERING parameters FOR ALICE SIMULATION **************
209 // --- Specify event type to be tracked through the ALICE setup
210 // --- All positions are in cm, angles in degrees, and P and E in GeV
213 gMC->SetProcess("DCAY",1);
214 gMC->SetProcess("PAIR",1);
215 gMC->SetProcess("COMP",1);
216 gMC->SetProcess("PHOT",1);
217 gMC->SetProcess("PFIS",0);
218 gMC->SetProcess("DRAY",0);
219 gMC->SetProcess("ANNI",1);
220 gMC->SetProcess("BREM",1);
221 gMC->SetProcess("MUNU",1);
222 gMC->SetProcess("CKOV",1);
223 gMC->SetProcess("HADR",1);
224 gMC->SetProcess("LOSS",2);
225 gMC->SetProcess("MULS",1);
226 gMC->SetProcess("RAYL",1);
228 Float_t cut = 1.e-3; // 1MeV cut by default
229 Float_t tofmax = 1.e10;
231 gMC->SetCut("CUTGAM", cut);
232 gMC->SetCut("CUTELE", cut);
233 gMC->SetCut("CUTNEU", cut);
234 gMC->SetCut("CUTHAD", cut);
235 gMC->SetCut("CUTMUO", cut);
236 gMC->SetCut("BCUTE", cut);
237 gMC->SetCut("BCUTM", cut);
238 gMC->SetCut("DCUTE", cut);
239 gMC->SetCut("DCUTM", cut);
240 gMC->SetCut("PPCUTM", cut);
241 gMC->SetCut("TOFMAX", tofmax);
246 // Set External decayer //
247 //======================//
248 TVirtualMCDecayer* decayer = new AliDecayerPythia();
253 decayer->SetForceDecay(kAll);
256 decayer->SetForceDecay(kHadronicD);
259 decayer->SetForceDecay(kSemiElectronic);
262 decayer->SetForceDecay(kSemiMuonic);
266 gMC->SetExternalDecayer(decayer);
268 //=========================//
269 // Generator Configuration //
270 //=========================//
271 AliGenerator* gener = 0x0;
273 if (proc <= kBeautypp14000wmi) {
274 AliGenPythia *pythia = PythiaHVQ(proc);
276 pythia->SetFeedDownHigherFamily(kFALSE);
277 // Stack filling option
278 if(!stars) pythia->SetStackFillOpt(AliGenPythia::kParentSelection);
280 if(nEvts>0) pythia->SetCountMode(AliGenPythia::kCountParents);
286 pythia->SetForceDecay(kAll);
289 pythia->SetForceDecay(kHadronicD);
292 pythia->SetForceDecay(kSemiElectronic);
295 pythia->SetForceDecay(kSemiMuonic);
301 pythia->SetMomentumRange(0,99999999);
302 pythia->SetPhiRange(0., 360.);
303 pythia->SetThetaRange(0,180);
306 pythia->SetYRange(-999,999);
309 pythia->SetYRange(-2,2);
312 pythia->SetYRange(1,6);
316 } else if (proc == kPyMbNoHvq) {
317 gener = MbCocktail();
318 } else if (proc == kPyOmegaMinus) {
319 gener = PyMbTriggered(3334);
320 } else if (proc == kPyOmegaPlus) {
321 gener = PyMbTriggered(-3334);
328 gener->SetOrigin(0., 0., 0.); // vertex position
331 // Size of the interaction diamond
333 Float_t sigmaz = 7.55 / TMath::Sqrt(2.); // [cm]
336 Float_t betast = 10; // beta* [m]
337 Float_t eps = 3.75e-6; // emittance [m]
338 Float_t gamma = 7000. / 0.938272; // relativistic gamma [1]
339 Float_t sigmaxy = TMath::Sqrt(eps * betast / gamma) / TMath::Sqrt(2.) * 100.; // [cm]
340 printf("\n \n Diamond size x-y: %10.3e z: %10.3e\n \n", sigmaxy, sigmaz);
342 gener->SetSigma(sigmaxy, sigmaxy, sigmaz); // Sigma in (X,Y,Z) (cm) on IP position
343 gener->SetCutVertexZ(3.); // Truncate at 3 sigma
344 gener->SetVertexSmear(kPerEvent);
351 comment = comment.Append(" | L3 field 0.2 T");
352 } else if (mag == k4kG) {
353 comment = comment.Append(" | L3 field 0.4 T");
354 } else if (mag == k5kG) {
355 comment = comment.Append(" | L3 field 0.5 T");
357 printf("\n \n Comment: %s \n \n", comment.Data());
359 AliMagFMaps* field = new AliMagFMaps("Maps","Maps", 2, 1., 10., mag);
360 field->SetL3ConstField(0); //Using const. field in the barrel
362 gAlice->SetField(field);
389 //=================== Alice BODY parameters =============================
390 AliBODY *BODY = new AliBODY("BODY", "Alice envelop");
395 //=================== MAG parameters ============================
396 // --- Start with Magnet since detector layouts may be depending ---
397 // --- on the selected Magnet dimensions ---
398 AliMAG *MAG = new AliMAG("MAG", "Magnet");
404 //=================== ABSO parameters ============================
405 AliABSO *ABSO = new AliABSOv3("ABSO", "Muon Absorber");
410 //=================== DIPO parameters ============================
412 AliDIPO *DIPO = new AliDIPOv3("DIPO", "Dipole version 3");
417 //=================== HALL parameters ============================
419 AliHALL *HALL = new AliHALLv3("HALL", "Alice Hall");
425 //=================== FRAME parameters ============================
427 AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame");
437 //=================== SHIL parameters ============================
439 AliSHIL *SHIL = new AliSHILv3("SHIL", "Shielding Version 3");
445 //=================== PIPE parameters ============================
447 AliPIPE *PIPE = new AliPIPEv3("PIPE", "Beam Pipe");
452 //=================== ITS parameters ============================
454 AliITSvPPRasymmFMD *ITS = new AliITSvPPRasymmFMD("ITS","New ITS PPR detailed version with asymmetric services");
459 //============================ TPC parameters =====================
460 AliTPC *TPC = new AliTPCv2("TPC", "Default");
465 //=================== TOF parameters ============================
466 AliTOF *TOF = new AliTOFv6T0("TOF", "normal TOF");
468 // starting at 3h in anticlock-wise direction
469 // looking from A side (ALICE numbering convention),
470 // modules at 1,2,6,7,9,10,11,12,15,16,17
471 //Int_t TOFSectors[18]={0,0,0,-1,-1,-1,0,0,0,0,0,0,-1,-1,-1,0,0,0};
472 //TOF->SetTOFSectors(TOFSectors);
478 //=================== HMPID parameters ===========================
479 AliHMPID *HMPID = new AliHMPIDv2("HMPID", "normal HMPID");
486 //=================== ZDC parameters ============================
488 AliZDC *ZDC = new AliZDCv3("ZDC", "normal ZDC");
493 //=================== TRD parameters ============================
495 AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator");
496 AliTRDgeometry *geoTRD = TRD->GetGeometry();
497 // Partial geometry: modules at 2,3,4,6,11,12,14,15
498 // starting at 6h in positive direction
499 geoTRD->SetSMstatus(0,0);
500 geoTRD->SetSMstatus(1,0);
501 geoTRD->SetSMstatus(5,0);
502 geoTRD->SetSMstatus(7,0);
503 geoTRD->SetSMstatus(8,0);
504 geoTRD->SetSMstatus(9,0);
505 geoTRD->SetSMstatus(10,0);
506 geoTRD->SetSMstatus(13,0);
507 geoTRD->SetSMstatus(16,0);
508 geoTRD->SetSMstatus(17,0);
513 //=================== FMD parameters ============================
514 AliFMD *FMD = new AliFMDv1("FMD", "normal FMD");
519 //=================== MUON parameters ===========================
520 // New MUONv1 version (geometry defined via builders)
521 AliMUON *MUON = new AliMUONv1("MUON", "default");
523 //=================== PHOS parameters ===========================
527 AliPHOS *PHOS = new AliPHOSv1("PHOS", "IHEP");
533 //=================== PMD parameters ============================
534 AliPMD *PMD = new AliPMDv1("PMD", "normal PMD");
539 //=================== T0 parameters ============================
540 AliT0 *T0 = new AliT0v1("T0", "T0 Detector");
545 //=================== EMCAL parameters ============================
546 AliEMCAL *EMCAL = new AliEMCALv2("EMCAL", "SHISH_77_TRD1_2X2_FINAL_110DEG");
551 //=================== ACORDE parameters ============================
552 AliACORDE *ACORDE = new AliACORDEv0("ACORDE", "normal ACORDE");
557 //=================== ACORDE parameters ============================
558 AliVZERO *VZERO = new AliVZEROv7("VZERO", "normal VZERO");
564 AliGenPythia *PythiaHVQ(PDC06Proc_t proc) {
565 //*******************************************************************//
566 // Configuration file for charm / beauty generation with PYTHIA //
568 // The parameters have been tuned in order to reproduce the inclusive//
569 // heavy quark pt distribution given by the NLO pQCD calculation by //
570 // Mangano, Nason and Ridolfi. //
572 // For details and for the NORMALIZATION of the yields see: //
573 // N.Carrer and A.Dainese, //
574 // "Charm and beauty production at the LHC", //
575 // ALICE-INT-2003-019, [arXiv:hep-ph/0311225]; //
576 // PPR Chapter 6.6, CERN/LHCC 2005-030 (2005). //
577 //*******************************************************************//
578 AliGenPythia * gener = 0x0;
582 comment = comment.Append(" Charm in Pb-Pb at 5.5 TeV");
583 gener = new AliGenPythia(nEvts);
584 gener->SetProcess(kPyCharmPbPbMNR);
585 gener->SetStrucFunc(kCTEQ4L);
586 gener->SetPtHard(2.1,-1.0);
587 gener->SetEnergyCMS(5500.);
588 gener->SetNuclei(208,208);
591 comment = comment.Append(" Charm in p-Pb at 8.8 TeV");
592 gener = new AliGenPythia(nEvts);
593 gener->SetProcess(kPyCharmpPbMNR);
594 gener->SetStrucFunc(kCTEQ4L);
595 gener->SetPtHard(2.1,-1.0);
596 gener->SetEnergyCMS(8800.);
597 gener->SetProjectile("P",1,1);
598 gener->SetTarget("Pb",208,82);
601 comment = comment.Append(" Charm in pp at 14 TeV");
602 gener = new AliGenPythia(nEvts);
603 gener->SetProcess(kPyCharmppMNR);
604 gener->SetStrucFunc(kCTEQ4L);
605 gener->SetPtHard(2.1,-1.0);
606 gener->SetEnergyCMS(14000.);
608 case kCharmpp14000wmi:
609 comment = comment.Append(" Charm in pp at 14 TeV with mult. interactions");
610 gener = new AliGenPythia(-1);
611 gener->SetProcess(kPyCharmppMNRwmi);
612 gener->SetStrucFunc(kCTEQ5L);
613 gener->SetPtHard(ptHardMin,ptHardMax);
614 gener->SetEnergyCMS(14000.);
617 comment = comment.Append(" D0 in Pb-Pb at 5.5 TeV");
618 gener = new AliGenPythia(nEvts);
619 gener->SetProcess(kPyD0PbPbMNR);
620 gener->SetStrucFunc(kCTEQ4L);
621 gener->SetPtHard(2.1,-1.0);
622 gener->SetEnergyCMS(5500.);
623 gener->SetNuclei(208,208);
626 comment = comment.Append(" D0 in p-Pb at 8.8 TeV");
627 gener = new AliGenPythia(nEvts);
628 gener->SetProcess(kPyD0pPbMNR);
629 gener->SetStrucFunc(kCTEQ4L);
630 gener->SetPtHard(2.1,-1.0);
631 gener->SetEnergyCMS(8800.);
632 gener->SetProjectile("P",1,1);
633 gener->SetTarget("Pb",208,82);
636 comment = comment.Append(" D0 in pp at 14 TeV");
637 gener = new AliGenPythia(nEvts);
638 gener->SetProcess(kPyD0ppMNR);
639 gener->SetStrucFunc(kCTEQ4L);
640 gener->SetPtHard(2.1,-1.0);
641 gener->SetEnergyCMS(14000.);
644 comment = comment.Append(" DPlus in Pb-Pb at 5.5 TeV");
645 gener = new AliGenPythia(nEvts);
646 gener->SetProcess(kPyDPlusPbPbMNR);
647 gener->SetStrucFunc(kCTEQ4L);
648 gener->SetPtHard(2.1,-1.0);
649 gener->SetEnergyCMS(5500.);
650 gener->SetNuclei(208,208);
653 comment = comment.Append(" DPlus in p-Pb at 8.8 TeV");
654 gener = new AliGenPythia(nEvts);
655 gener->SetProcess(kPyDPluspPbMNR);
656 gener->SetStrucFunc(kCTEQ4L);
657 gener->SetPtHard(2.1,-1.0);
658 gener->SetEnergyCMS(8800.);
659 gener->SetProjectile("P",1,1);
660 gener->SetTarget("Pb",208,82);
663 comment = comment.Append(" DPlus in pp at 14 TeV");
664 gener = new AliGenPythia(nEvts);
665 gener->SetProcess(kPyDPlusppMNR);
666 gener->SetStrucFunc(kCTEQ4L);
667 gener->SetPtHard(2.1,-1.0);
668 gener->SetEnergyCMS(14000.);
670 case kBeautyPbPb5500:
671 comment = comment.Append(" Beauty in Pb-Pb at 5.5 TeV");
672 gener = new AliGenPythia(nEvts);
673 gener->SetProcess(kPyBeautyPbPbMNR);
674 gener->SetStrucFunc(kCTEQ4L);
675 gener->SetPtHard(2.75,-1.0);
676 gener->SetEnergyCMS(5500.);
677 gener->SetNuclei(208,208);
680 comment = comment.Append(" Beauty in p-Pb at 8.8 TeV");
681 gener = new AliGenPythia(nEvts);
682 gener->SetProcess(kPyBeautypPbMNR);
683 gener->SetStrucFunc(kCTEQ4L);
684 gener->SetPtHard(2.75,-1.0);
685 gener->SetEnergyCMS(8800.);
686 gener->SetProjectile("P",1,1);
687 gener->SetTarget("Pb",208,82);
690 comment = comment.Append(" Beauty in pp at 14 TeV");
691 gener = new AliGenPythia(nEvts);
692 gener->SetProcess(kPyBeautyppMNR);
693 gener->SetStrucFunc(kCTEQ4L);
694 gener->SetPtHard(2.75,-1.0);
695 gener->SetEnergyCMS(14000.);
697 case kBeautypp14000wmi:
698 comment = comment.Append(" Beauty in pp at 14 TeV with mult. interactions");
699 gener = new AliGenPythia(-1);
700 gener->SetProcess(kPyBeautyppMNRwmi);
701 gener->SetStrucFunc(kCTEQ5L);
702 gener->SetPtHard(ptHardMin,ptHardMax);
703 gener->SetEnergyCMS(14000.);
710 AliGenerator* MbCocktail()
712 comment = comment.Append(" pp at 14 TeV: Pythia low-pt, no heavy quarks + J/Psi from parameterisation");
713 AliGenCocktail * gener = new AliGenCocktail();
714 gener->UsePerEventRates();
718 AliGenPythia* pythia = new AliGenPythia(-1);
719 pythia->SetMomentumRange(0, 999999.);
720 pythia->SetThetaRange(0., 180.);
721 pythia->SetYRange(-12.,12.);
722 pythia->SetPtRange(0,1000.);
723 pythia->SetProcess(kPyMb);
724 pythia->SetEnergyCMS(14000.);
725 pythia->SwitchHFOff();
728 // J/Psi parameterisation
730 AliGenParam* jpsi = new AliGenParam(1, AliGenMUONlib::kJpsi, "CDF scaled", "Jpsi");
731 jpsi->SetPtRange(0.,100.);
732 jpsi->SetYRange(-8., 8.);
733 jpsi->SetPhiRange(0., 360.);
734 jpsi->SetForceDecay(kAll);
737 gener->AddGenerator(jpsi, "J/Psi", 8.e-4);
738 gener->AddGenerator(pythia, "Pythia", 1.);
744 AliGenerator* PyMbTriggered(Int_t pdg)
746 AliGenPythia* pythia = new AliGenPythia(-1);
747 pythia->SetMomentumRange(0, 999999.);
748 pythia->SetThetaRange(0., 180.);
749 pythia->SetYRange(-12.,12.);
750 pythia->SetPtRange(0,1000.);
751 pythia->SetProcess(kPyMb);
752 pythia->SetEnergyCMS(14000.);
753 pythia->SetTriggerParticle(pdg, 0.9);
757 void ProcessEnvironmentVars()
760 if (gSystem->Getenv("CONFIG_RUN_TYPE")) {
761 for (Int_t iRun = 0; iRun < kRunMax; iRun++) {
762 if (strcmp(gSystem->Getenv("CONFIG_RUN_TYPE"), pprRunName[iRun])==0) {
763 proc = (PDC06Proc_t)iRun;
764 cout<<"Run type set to "<<pprRunName[iRun]<<endl;
769 // Random Number seed
770 if (gSystem->Getenv("CONFIG_SEED")) {
771 seed = atoi(gSystem->Getenv("CONFIG_SEED"));
779 // Load Pythia related libraries
780 gSystem->Load("liblhapdf.so"); // Parton density functions
781 gSystem->Load("libEGPythia6.so"); // TGenerator interface
782 gSystem->Load("libpythia6.so"); // Pythia
783 gSystem->Load("libAliPythia6.so"); // ALICE specific implementations