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/AliZDCv2.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[] = {
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("libgeant321");
163 new TGeant3TGeo("C++ Interface to Geant3");
165 //=======================================================================
166 // Create the output file
169 AliRunLoader* rl=0x0;
171 cout<<"Config.C: Creating Run Loader ..."<<endl;
172 rl = AliRunLoader::Open("galice.root",
173 AliConfig::GetDefaultEventFolderName(),
177 gAlice->Fatal("Config.C","Can not instatiate the Run Loader");
180 rl->SetCompressionLevel(2);
181 rl->SetNumberOfEventsPerFile(1000);
182 gAlice->SetRunLoader(rl);
184 // Set the trigger configuration
185 gAlice->SetTriggerDescriptor(TrigConfName[trig]);
186 cout<<"Trigger configuration is set to "<<TrigConfName[trig]<<endl;
189 //=======================================================================
190 // ************* STEERING parameters FOR ALICE SIMULATION **************
191 // --- Specify event type to be tracked through the ALICE setup
192 // --- All positions are in cm, angles in degrees, and P and E in GeV
195 gMC->SetProcess("DCAY",1);
196 gMC->SetProcess("PAIR",1);
197 gMC->SetProcess("COMP",1);
198 gMC->SetProcess("PHOT",1);
199 gMC->SetProcess("PFIS",0);
200 gMC->SetProcess("DRAY",0);
201 gMC->SetProcess("ANNI",1);
202 gMC->SetProcess("BREM",1);
203 gMC->SetProcess("MUNU",1);
204 gMC->SetProcess("CKOV",1);
205 gMC->SetProcess("HADR",1);
206 gMC->SetProcess("LOSS",2);
207 gMC->SetProcess("MULS",1);
208 gMC->SetProcess("RAYL",1);
210 Float_t cut = 1.e-3; // 1MeV cut by default
211 Float_t tofmax = 1.e10;
213 gMC->SetCut("CUTGAM", cut);
214 gMC->SetCut("CUTELE", cut);
215 gMC->SetCut("CUTNEU", cut);
216 gMC->SetCut("CUTHAD", cut);
217 gMC->SetCut("CUTMUO", cut);
218 gMC->SetCut("BCUTE", cut);
219 gMC->SetCut("BCUTM", cut);
220 gMC->SetCut("DCUTE", cut);
221 gMC->SetCut("DCUTM", cut);
222 gMC->SetCut("PPCUTM", cut);
223 gMC->SetCut("TOFMAX", tofmax);
228 // Set External decayer //
229 //======================//
230 TVirtualMCDecayer* decayer = new AliDecayerPythia();
235 decayer->SetForceDecay(kAll);
238 decayer->SetForceDecay(kHadronicD);
241 decayer->SetForceDecay(kSemiElectronic);
244 decayer->SetForceDecay(kSemiMuonic);
248 gMC->SetExternalDecayer(decayer);
250 //=========================//
251 // Generator Configuration //
252 //=========================//
253 AliGenerator* gener = 0x0;
255 if (proc <= kBeautypp14000wmi) {
256 AliGenPythia *pythia = PythiaHVQ(proc);
258 pythia->SetFeedDownHigherFamily(kFALSE);
259 // Stack filling option
260 if(!stars) pythia->SetStackFillOpt(AliGenPythia::kParentSelection);
262 if(nEvts>0) pythia->SetCountMode(AliGenPythia::kCountParents);
268 pythia->SetForceDecay(kAll);
271 pythia->SetForceDecay(kHadronicD);
274 pythia->SetForceDecay(kSemiElectronic);
277 pythia->SetForceDecay(kSemiMuonic);
283 pythia->SetMomentumRange(0,99999999);
284 pythia->SetPhiRange(0., 360.);
285 pythia->SetThetaRange(0,180);
288 pythia->SetYRange(-999,999);
291 pythia->SetYRange(-2,2);
294 pythia->SetYRange(1,6);
298 } else if (proc == kPyMbNoHvq) {
299 gener = MbCocktail();
300 } else if (proc == kPyOmegaMinus) {
301 gener = PyMbTriggered(3334);
302 } else if (proc == kPyOmegaPlus) {
303 gener = PyMbTriggered(-3334);
310 gener->SetOrigin(0., 0., 0.); // vertex position
313 // Size of the interaction diamond
315 Float_t sigmaz = 7.55 / TMath::Sqrt(2.); // [cm]
318 Float_t betast = 10; // beta* [m]
319 Float_t eps = 3.75e-6; // emittance [m]
320 Float_t gamma = 7000. / 0.938272; // relativistic gamma [1]
321 Float_t sigmaxy = TMath::Sqrt(eps * betast / gamma) / TMath::Sqrt(2.) * 100.; // [cm]
322 printf("\n \n Diamond size x-y: %10.3e z: %10.3e\n \n", sigmaxy, sigmaz);
324 gener->SetSigma(sigmaxy, sigmaxy, sigmaz); // Sigma in (X,Y,Z) (cm) on IP position
325 gener->SetCutVertexZ(3.); // Truncate at 3 sigma
326 gener->SetVertexSmear(kPerEvent);
333 comment = comment.Append(" | L3 field 0.2 T");
334 } else if (mag == k4kG) {
335 comment = comment.Append(" | L3 field 0.4 T");
336 } else if (mag == k5kG) {
337 comment = comment.Append(" | L3 field 0.5 T");
339 printf("\n \n Comment: %s \n \n", comment.Data());
341 AliMagFMaps* field = new AliMagFMaps("Maps","Maps", 2, 1., 10., mag);
342 field->SetL3ConstField(0); //Using const. field in the barrel
344 gAlice->SetField(field);
371 //=================== Alice BODY parameters =============================
372 AliBODY *BODY = new AliBODY("BODY", "Alice envelop");
377 //=================== MAG parameters ============================
378 // --- Start with Magnet since detector layouts may be depending ---
379 // --- on the selected Magnet dimensions ---
380 AliMAG *MAG = new AliMAG("MAG", "Magnet");
386 //=================== ABSO parameters ============================
387 AliABSO *ABSO = new AliABSOv3("ABSO", "Muon Absorber");
392 //=================== DIPO parameters ============================
394 AliDIPO *DIPO = new AliDIPOv3("DIPO", "Dipole version 3");
399 //=================== HALL parameters ============================
401 AliHALL *HALL = new AliHALLv3("HALL", "Alice Hall");
407 //=================== FRAME parameters ============================
409 AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame");
414 //=================== SHIL parameters ============================
416 AliSHIL *SHIL = new AliSHILv3("SHIL", "Shielding Version 3");
422 //=================== PIPE parameters ============================
424 AliPIPE *PIPE = new AliPIPEv3("PIPE", "Beam Pipe");
429 //=================== ITS parameters ============================
431 AliITSvPPRasymmFMD *ITS = new AliITSvPPRasymmFMD("ITS","New ITS PPR detailed version with asymmetric services");
436 //============================ TPC parameters =====================
437 AliTPC *TPC = new AliTPCv2("TPC", "Default");
442 //=================== TOF parameters ============================
443 AliTOF *TOF = new AliTOFv6T0("TOF", "normal TOF");
444 // Partial geometry: modules at 2,3,4,6,7,11,12,14,15,16
445 // starting at 6h in positive direction
446 // Int_t TOFSectors[18]={-1,-1,0,0,0,-1,0,0,-1,-1,-1,0,0,-1,0,0,0,0};
447 // Partial geometry: modules at 1,2,6,7,9,10,11,12,15,16,17
448 // (ALICE numbering convention)
449 Int_t TOFSectors[18]={-1,0,0,-1,-1,-1,0,0,-1,0,0,0,0,-1,-1,0,0,0};
450 TOF->SetTOFSectors(TOFSectors);
456 //=================== HMPID parameters ===========================
457 AliHMPID *HMPID = new AliHMPIDv2("HMPID", "normal HMPID");
464 //=================== ZDC parameters ============================
466 AliZDC *ZDC = new AliZDCv2("ZDC", "normal ZDC");
471 //=================== TRD parameters ============================
473 AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator");
474 AliTRDgeometry *geoTRD = TRD->GetGeometry();
475 // Partial geometry: modules at 2,3,4,6,11,12,14,15
476 // starting at 6h in positive direction
477 geoTRD->SetSMstatus(0,0);
478 geoTRD->SetSMstatus(1,0);
479 geoTRD->SetSMstatus(5,0);
480 geoTRD->SetSMstatus(7,0);
481 geoTRD->SetSMstatus(8,0);
482 geoTRD->SetSMstatus(9,0);
483 geoTRD->SetSMstatus(10,0);
484 geoTRD->SetSMstatus(13,0);
485 geoTRD->SetSMstatus(16,0);
486 geoTRD->SetSMstatus(17,0);
491 //=================== FMD parameters ============================
492 AliFMD *FMD = new AliFMDv1("FMD", "normal FMD");
497 //=================== MUON parameters ===========================
498 // New MUONv1 version (geometry defined via builders)
499 AliMUON *MUON = new AliMUONv1("MUON", "default");
501 //=================== PHOS parameters ===========================
505 AliPHOS *PHOS = new AliPHOSv1("PHOS", "IHEP");
511 //=================== PMD parameters ============================
512 AliPMD *PMD = new AliPMDv1("PMD", "normal PMD");
517 //=================== T0 parameters ============================
518 AliT0 *T0 = new AliT0v1("T0", "T0 Detector");
523 //=================== EMCAL parameters ============================
524 AliEMCAL *EMCAL = new AliEMCALv2("EMCAL", "SHISH_77_TRD1_2X2_FINAL_110DEG");
529 //=================== ACORDE parameters ============================
530 AliACORDE *ACORDE = new AliACORDEv0("ACORDE", "normal ACORDE");
535 //=================== VZERO parameters ============================
536 AliVZERO *VZERO = new AliVZEROv7("VZERO", "normal VZERO");
542 AliGenPythia *PythiaHVQ(PDC06Proc_t proc) {
543 //*******************************************************************//
544 // Configuration file for charm / beauty generation with PYTHIA //
546 // The parameters have been tuned in order to reproduce the inclusive//
547 // heavy quark pt distribution given by the NLO pQCD calculation by //
548 // Mangano, Nason and Ridolfi. //
550 // For details and for the NORMALIZATION of the yields see: //
551 // N.Carrer and A.Dainese, //
552 // "Charm and beauty production at the LHC", //
553 // ALICE-INT-2003-019, [arXiv:hep-ph/0311225]; //
554 // PPR Chapter 6.6, CERN/LHCC 2005-030 (2005). //
555 //*******************************************************************//
556 AliGenPythia * gener = 0x0;
560 comment = comment.Append(" Charm in Pb-Pb at 5.5 TeV");
561 gener = new AliGenPythia(nEvts);
562 gener->SetProcess(kPyCharmPbPbMNR);
563 gener->SetStrucFunc(kCTEQ4L);
564 gener->SetPtHard(2.1,-1.0);
565 gener->SetEnergyCMS(5500.);
566 gener->SetNuclei(208,208);
569 comment = comment.Append(" Charm in p-Pb at 8.8 TeV");
570 gener = new AliGenPythia(nEvts);
571 gener->SetProcess(kPyCharmpPbMNR);
572 gener->SetStrucFunc(kCTEQ4L);
573 gener->SetPtHard(2.1,-1.0);
574 gener->SetEnergyCMS(8800.);
575 gener->SetProjectile("P",1,1);
576 gener->SetTarget("Pb",208,82);
579 comment = comment.Append(" Charm in pp at 14 TeV");
580 gener = new AliGenPythia(nEvts);
581 gener->SetProcess(kPyCharmppMNR);
582 gener->SetStrucFunc(kCTEQ4L);
583 gener->SetPtHard(2.1,-1.0);
584 gener->SetEnergyCMS(14000.);
586 case kCharmpp14000wmi:
587 comment = comment.Append(" Charm in pp at 14 TeV with mult. interactions");
588 gener = new AliGenPythia(-1);
589 gener->SetProcess(kPyCharmppMNRwmi);
590 gener->SetStrucFunc(kCTEQ5L);
591 gener->SetPtHard(ptHardMin,ptHardMax);
592 gener->SetEnergyCMS(14000.);
595 comment = comment.Append(" D0 in Pb-Pb at 5.5 TeV");
596 gener = new AliGenPythia(nEvts);
597 gener->SetProcess(kPyD0PbPbMNR);
598 gener->SetStrucFunc(kCTEQ4L);
599 gener->SetPtHard(2.1,-1.0);
600 gener->SetEnergyCMS(5500.);
601 gener->SetNuclei(208,208);
604 comment = comment.Append(" D0 in p-Pb at 8.8 TeV");
605 gener = new AliGenPythia(nEvts);
606 gener->SetProcess(kPyD0pPbMNR);
607 gener->SetStrucFunc(kCTEQ4L);
608 gener->SetPtHard(2.1,-1.0);
609 gener->SetEnergyCMS(8800.);
610 gener->SetProjectile("P",1,1);
611 gener->SetTarget("Pb",208,82);
614 comment = comment.Append(" D0 in pp at 14 TeV");
615 gener = new AliGenPythia(nEvts);
616 gener->SetProcess(kPyD0ppMNR);
617 gener->SetStrucFunc(kCTEQ4L);
618 gener->SetPtHard(2.1,-1.0);
619 gener->SetEnergyCMS(14000.);
622 comment = comment.Append(" DPlus in Pb-Pb at 5.5 TeV");
623 gener = new AliGenPythia(nEvts);
624 gener->SetProcess(kPyDPlusPbPbMNR);
625 gener->SetStrucFunc(kCTEQ4L);
626 gener->SetPtHard(2.1,-1.0);
627 gener->SetEnergyCMS(5500.);
628 gener->SetNuclei(208,208);
631 comment = comment.Append(" DPlus in p-Pb at 8.8 TeV");
632 gener = new AliGenPythia(nEvts);
633 gener->SetProcess(kPyDPluspPbMNR);
634 gener->SetStrucFunc(kCTEQ4L);
635 gener->SetPtHard(2.1,-1.0);
636 gener->SetEnergyCMS(8800.);
637 gener->SetProjectile("P",1,1);
638 gener->SetTarget("Pb",208,82);
641 comment = comment.Append(" DPlus in pp at 14 TeV");
642 gener = new AliGenPythia(nEvts);
643 gener->SetProcess(kPyDPlusppMNR);
644 gener->SetStrucFunc(kCTEQ4L);
645 gener->SetPtHard(2.1,-1.0);
646 gener->SetEnergyCMS(14000.);
648 case kBeautyPbPb5500:
649 comment = comment.Append(" Beauty in Pb-Pb at 5.5 TeV");
650 gener = new AliGenPythia(nEvts);
651 gener->SetProcess(kPyBeautyPbPbMNR);
652 gener->SetStrucFunc(kCTEQ4L);
653 gener->SetPtHard(2.75,-1.0);
654 gener->SetEnergyCMS(5500.);
655 gener->SetNuclei(208,208);
658 comment = comment.Append(" Beauty in p-Pb at 8.8 TeV");
659 gener = new AliGenPythia(nEvts);
660 gener->SetProcess(kPyBeautypPbMNR);
661 gener->SetStrucFunc(kCTEQ4L);
662 gener->SetPtHard(2.75,-1.0);
663 gener->SetEnergyCMS(8800.);
664 gener->SetProjectile("P",1,1);
665 gener->SetTarget("Pb",208,82);
668 comment = comment.Append(" Beauty in pp at 14 TeV");
669 gener = new AliGenPythia(nEvts);
670 gener->SetProcess(kPyBeautyppMNR);
671 gener->SetStrucFunc(kCTEQ4L);
672 gener->SetPtHard(2.75,-1.0);
673 gener->SetEnergyCMS(14000.);
675 case kBeautypp14000wmi:
676 comment = comment.Append(" Beauty in pp at 14 TeV with mult. interactions");
677 gener = new AliGenPythia(-1);
678 gener->SetProcess(kPyBeautyppMNRwmi);
679 gener->SetStrucFunc(kCTEQ5L);
680 gener->SetPtHard(ptHardMin,ptHardMax);
681 gener->SetEnergyCMS(14000.);
688 AliGenerator* MbCocktail()
690 comment = comment.Append(" pp at 14 TeV: Pythia low-pt, no heavy quarks + J/Psi from parameterisation");
691 AliGenCocktail * gener = new AliGenCocktail();
692 gener->UsePerEventRates();
696 AliGenPythia* pythia = new AliGenPythia(-1);
697 pythia->SetMomentumRange(0, 999999.);
698 pythia->SetThetaRange(0., 180.);
699 pythia->SetYRange(-12.,12.);
700 pythia->SetPtRange(0,1000.);
701 pythia->SetProcess(kPyMb);
702 pythia->SetEnergyCMS(14000.);
703 pythia->SwitchHFOff();
706 // J/Psi parameterisation
708 AliGenParam* jpsi = new AliGenParam(1, AliGenMUONlib::kJpsi, "CDF scaled", "Jpsi");
709 jpsi->SetPtRange(0.,100.);
710 jpsi->SetYRange(-8., 8.);
711 jpsi->SetPhiRange(0., 360.);
712 jpsi->SetForceDecay(kAll);
715 gener->AddGenerator(jpsi, "J/Psi", 8.e-4);
716 gener->AddGenerator(pythia, "Pythia", 1.);
722 AliGenerator* PyMbTriggered(Int_t pdg)
724 AliGenPythia* pythia = new AliGenPythia(-1);
725 pythia->SetMomentumRange(0, 999999.);
726 pythia->SetThetaRange(0., 180.);
727 pythia->SetYRange(-12.,12.);
728 pythia->SetPtRange(0,1000.);
729 pythia->SetProcess(kPyMb);
730 pythia->SetEnergyCMS(14000.);
731 pythia->SetTriggerParticle(pdg, 0.9);
735 void ProcessEnvironmentVars()
738 if (gSystem->Getenv("CONFIG_RUN_TYPE")) {
739 for (Int_t iRun = 0; iRun < kRunMax; iRun++) {
740 if (strcmp(gSystem->Getenv("CONFIG_RUN_TYPE"), pprRunName[iRun])==0) {
741 proc = (PDC06Proc_t)iRun;
742 cout<<"Run type set to "<<pprRunName[iRun]<<endl;
747 // Random Number seed
748 if (gSystem->Getenv("CONFIG_SEED")) {
749 seed = atoi(gSystem->Getenv("CONFIG_SEED"));