2 // Configuration for the Physics Data Challenge 2006
5 #if !defined(__CINT__) || defined(__MAKECINT__)
10 #include <TVirtualMC.h>
12 #include "STEER/AliRunLoader.h"
13 #include "STEER/AliRun.h"
14 #include "STEER/AliConfig.h"
15 #include "PYTHIA6/AliDecayerPythia.h"
16 #include "PYTHIA6/AliGenPythia.h"
17 #include "STEER/AliMagFMaps.h"
18 #include "STRUCT/AliBODY.h"
19 #include "STRUCT/AliMAG.h"
20 #include "STRUCT/AliABSOv0.h"
21 #include "STRUCT/AliDIPOv2.h"
22 #include "STRUCT/AliHALL.h"
23 #include "STRUCT/AliFRAMEv2.h"
24 #include "STRUCT/AliSHILv2.h"
25 #include "STRUCT/AliPIPEv0.h"
26 #include "ITS/AliITSvPPRasymmFMD.h"
27 #include "TPC/AliTPCv2.h"
28 #include "TOF/AliTOFv4T0.h"
29 #include "RICH/AliRICHv1.h"
30 #include "ZDC/AliZDCv1.h"
31 #include "TRD/AliTRDv1.h"
32 #include "FMD/AliFMDv0.h"
33 #include "MUON/AliMUONv1.h"
34 #include "PHOS/AliPHOSv1.h"
35 #include "PMD/AliPMDv1.h"
36 #include "START/AliSTARTv1.h"
37 #include "CRT/AliCRTv1.h"
43 //--- Heavy Flavour Production ---
44 kCharmPbPb5500, kCharmpPb8800, kCharmpp14000, kCharmpp14000wmi,
45 kD0PbPb5500, kD0pPb8800, kD0pp14000,
46 kDPlusPbPb5500, kDPluspPb8800, kDPluspp14000,
47 kBeautyPbPb5500, kBeautypPb8800, kBeautypp14000, kBeautypp14000wmi,
49 kPyMbNoHvq, kPyOmegaPlus, kPyOmegaMinus
56 kNature, kHadr, kSemiEl, kSemiMu
58 //--- Rapidity Cut ---
61 kFull, kBarrel, kMuonArm
63 //--- Magnetic Field ---
69 AliGenPythia *PythiaHVQ(PDC06Proc_t proc);
70 AliGenerator *MbCocktail();
71 AliGenerator *PyMbTriggered(Int_t pdg);
73 // This part for configuration
74 static PDC06Proc_t proc = kPyMbNoHvq;
75 static DecayHvFl_t decHvFl = kNature;
76 static YCut_t ycut = kFull;
77 static Mag_t mag = k5kG;
78 // nEvts = -1 : you get 1 QQbar pair and all the fragmentation and
80 // nEvts = N>0 : you get N charm / beauty Hadrons
82 // stars = kTRUE : all heavy resonances and their decay stored
83 // = kFALSE: only final heavy hadrons and their decays stored
86 // To be used only with kCharmppMNRwmi and kBeautyppMNRwmi
87 // To get a "reasonable" agreement with MNR results, events have to be
88 // generated with the minimum ptHard set to 2.76 GeV.
89 // To get a "perfect" agreement with MNR results, events have to be
90 // generated in four ptHard bins with the following relative
102 Float_t ptHardMin = 2.76;
103 Float_t ptHardMax = -1.;
107 static TString comment;
112 //========================//
113 // Set Random Number seed //
114 //========================//
116 UInt_t curtime = dt.Get();
117 UInt_t procid = gSystem->GetPid();
118 UInt_t seed = curtime-procid;
120 // gRandom->SetSeed(seed);
121 // cerr<<"Seed for random number generation= "<<seed<<endl;
122 gRandom->SetSeed(12345);
125 // libraries required by geant321
126 #if defined(__CINT__)
127 gSystem->Load("libgeant321");
130 new TGeant3TGeo("C++ Interface to Geant3");
132 //=======================================================================
133 // Create the output file
136 AliRunLoader* rl=0x0;
138 cout<<"Config.C: Creating Run Loader ..."<<endl;
139 rl = AliRunLoader::Open("galice.root",
140 AliConfig::GetDefaultEventFolderName(),
144 gAlice->Fatal("Config.C","Can not instatiate the Run Loader");
147 rl->SetCompressionLevel(2);
148 rl->SetNumberOfEventsPerFile(1000);
149 gAlice->SetRunLoader(rl);
152 //=======================================================================
153 // ************* STEERING parameters FOR ALICE SIMULATION **************
154 // --- Specify event type to be tracked through the ALICE setup
155 // --- All positions are in cm, angles in degrees, and P and E in GeV
158 gMC->SetProcess("DCAY",1);
159 gMC->SetProcess("PAIR",1);
160 gMC->SetProcess("COMP",1);
161 gMC->SetProcess("PHOT",1);
162 gMC->SetProcess("PFIS",0);
163 gMC->SetProcess("DRAY",0);
164 gMC->SetProcess("ANNI",1);
165 gMC->SetProcess("BREM",1);
166 gMC->SetProcess("MUNU",1);
167 gMC->SetProcess("CKOV",1);
168 gMC->SetProcess("HADR",1);
169 gMC->SetProcess("LOSS",2);
170 gMC->SetProcess("MULS",1);
171 gMC->SetProcess("RAYL",1);
173 Float_t cut = 1.e-3; // 1MeV cut by default
174 Float_t tofmax = 1.e10;
176 gMC->SetCut("CUTGAM", cut);
177 gMC->SetCut("CUTELE", cut);
178 gMC->SetCut("CUTNEU", cut);
179 gMC->SetCut("CUTHAD", cut);
180 gMC->SetCut("CUTMUO", cut);
181 gMC->SetCut("BCUTE", cut);
182 gMC->SetCut("BCUTM", cut);
183 gMC->SetCut("DCUTE", cut);
184 gMC->SetCut("DCUTM", cut);
185 gMC->SetCut("PPCUTM", cut);
186 gMC->SetCut("TOFMAX", tofmax);
191 // Set External decayer //
192 //======================//
193 TVirtualMCDecayer* decayer = new AliDecayerPythia();
198 decayer->SetForceDecay(kAll);
201 decayer->SetForceDecay(kHadronicD);
204 decayer->SetForceDecay(kSemiElectronic);
207 decayer->SetForceDecay(kSemiMuonic);
211 gMC->SetExternalDecayer(decayer);
213 //=========================//
214 // Generator Configuration //
215 //=========================//
218 if (proc <= kBeautypp14000wmi) {
219 AliGenPythia *pythia = PythiaHVQ(proc);
221 pythia->SetFeedDownHigherFamily(kFALSE);
222 // Stack filling option
223 if(!stars) pythia->SetStackFillOpt(AliGenPythia::kParentSelection);
225 if(nEvts>0) pythia->SetCountMode(AliGenPythia::kCountParents);
231 pythia->SetForceDecay(kAll);
234 pythia->SetForceDecay(kHadronicD);
237 pythia->SetForceDecay(kSemiElectronic);
240 pythia->SetForceDecay(kSemiMuonic);
246 pythia->SetMomentumRange(0,99999999);
247 pythia->SetPhiRange(0., 360.);
248 pythia->SetThetaRange(0,180);
251 pythia->SetYRange(-999,999);
254 pythia->SetYRange(-2,2);
257 pythia->SetYRange(1,6);
261 } else if (proc == kPyMbNoHvq) {
262 gener = MbCocktail();
263 } else if (proc == kPyOmegaMinus) {
264 gener = PyMbTriggered(3334);
265 } else if (proc == kPyOmegaPlus) {
266 gener = PyMbTriggered(-3334);
273 gener->SetOrigin(0., 0., 0.); // vertex position
276 // Size of the interaction diamond
278 Float_t sigmaz = 7.55 / TMath::Sqrt(2.); // [cm]
281 Float_t betast = 10; // beta* [m]
282 Float_t eps = 3.75e-6; // emittance [m]
283 Float_t gamma = 7000. / 0.938272; // relativistic gamma [1]
284 Float_t sigmaxy = TMath::Sqrt(eps * betast / gamma) / TMath::Sqrt(2.) * 100.; // [cm]
285 printf("\n \n Diamond size x-y: %10.3e z: %10.3e\n \n", sigmaxy, sigmaz);
287 gener->SetSigma(sigmaxy, sigmaxy, sigmaz); // Sigma in (X,Y,Z) (cm) on IP position
288 gener->SetCutVertexZ(1.); // Truncate at 1 sigma
289 gener->SetVertexSmear(kPerEvent);
291 gener->SetTrackingFlag(0);
292 // Specify GEANT tracking limits (Rmax, Zmax)
293 //gAlice->GetMCApp()->TrackingLimits(90.,1.0e10);
301 comment = comment.Append(" | L3 field 0.2 T");
302 } else if (mag == k4kG) {
303 comment = comment.Append(" | L3 field 0.4 T");
304 } else if (mag == k5kG) {
305 comment = comment.Append(" | L3 field 0.5 T");
307 printf("\n \n Comment: %s \n \n", comment.Data());
309 AliMagFMaps* field = new AliMagFMaps("Maps","Maps", 2, 1., 10., mag);
310 field->SetL3ConstField(0); //Using const. field in the barrel
312 gAlice->SetField(field);
339 //=================== Alice BODY parameters =============================
340 AliBODY *BODY = new AliBODY("BODY", "Alice envelop");
345 //=================== MAG parameters ============================
346 // --- Start with Magnet since detector layouts may be depending ---
347 // --- on the selected Magnet dimensions ---
348 AliMAG *MAG = new AliMAG("MAG", "Magnet");
354 //=================== ABSO parameters ============================
355 AliABSO *ABSO = new AliABSOv0("ABSO", "Muon Absorber");
360 //=================== DIPO parameters ============================
362 AliDIPO *DIPO = new AliDIPOv2("DIPO", "Dipole version 2");
367 //=================== HALL parameters ============================
369 AliHALL *HALL = new AliHALL("HALL", "Alice Hall");
375 //=================== FRAME parameters ============================
377 AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame");
383 //=================== SHIL parameters ============================
385 AliSHIL *SHIL = new AliSHILv2("SHIL", "Shielding Version 2");
391 //=================== PIPE parameters ============================
393 AliPIPE *PIPE = new AliPIPEv0("PIPE", "Beam Pipe");
398 //=================== ITS parameters ============================
400 // As the innermost detector in ALICE, the Inner Tracking System "impacts" on
401 // almost all other detectors. This involves the fact that the ITS geometry
402 // still has several options to be followed in parallel in order to determine
403 // the best set-up which minimizes the induced background. All the geometries
404 // available to date are described in the following. Read carefully the comments
405 // and use the default version (the only one uncommented) unless you are making
406 // comparisons and you know what you are doing. In this case just uncomment the
407 // ITS geometry you want to use and run Aliroot.
409 // Detailed geometries:
412 //AliITS *ITS = new AliITSv5symm("ITS","Updated ITS TDR detailed version with symmetric services");
414 //AliITS *ITS = new AliITSv5asymm("ITS","Updates ITS TDR detailed version with asymmetric services");
416 AliITSvPPRasymmFMD *ITS = new AliITSvPPRasymmFMD("ITS","New ITS PPR detailed version with asymmetric services");
417 ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer
418 ITS->SetReadDet(kTRUE); // don't touch this parameter if you're not an ITS developer
419 // ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRasymm2.det"); // don't touch this parameter if you're not an ITS developer
420 ITS->SetThicknessDet1(200.); // detector thickness on layer 1 must be in the range [100,300]
421 ITS->SetThicknessDet2(200.); // detector thickness on layer 2 must be in the range [100,300]
422 ITS->SetThicknessChip1(200.); // chip thickness on layer 1 must be in the range [150,300]
423 ITS->SetThicknessChip2(200.); // chip thickness on layer 2 must be in the range [150,300]
424 ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out
425 ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon
427 // Coarse geometries (warning: no hits are produced with these coarse geometries and they unuseful
428 // for reconstruction !):
431 //AliITSvPPRcoarseasymm *ITS = new AliITSvPPRcoarseasymm("ITS","New ITS PPR coarse version with asymmetric services");
432 //ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out
433 //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon
435 //AliITS *ITS = new AliITSvPPRcoarsesymm("ITS","New ITS PPR coarse version with symmetric services");
436 //ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out
437 //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon
441 // Geant3 <-> EUCLID conversion
442 // ============================
444 // SetEUCLID is a flag to output (=1) or not to output (=0) both geometry and
445 // media to two ASCII files (called by default ITSgeometry.euc and
446 // ITSgeometry.tme) in a format understandable to the CAD system EUCLID.
447 // The default (=0) means that you dont want to use this facility.
454 //============================ TPC parameters =====================
455 AliTPC *TPC = new AliTPCv2("TPC", "Default");
460 //=================== TOF parameters ============================
461 AliTOF *TOF = new AliTOFv5T0("TOF", "normal TOF");
467 //=================== RICH parameters ===========================
468 AliRICH *RICH = new AliRICHv1("RICH", "normal RICH");
475 //=================== ZDC parameters ============================
477 AliZDC *ZDC = new AliZDCv2("ZDC", "normal ZDC");
482 //=================== TRD parameters ============================
484 AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator");
486 // Select the gas mixture (0: 97% Xe + 3% isobutane, 1: 90% Xe + 10% CO2)
489 AliTRDsim *TRDsim = TRD->CreateTR();
494 //=================== FMD parameters ============================
495 AliFMD *FMD = new AliFMDv1("FMD", "normal FMD");
500 //=================== MUON parameters ===========================
501 // New MUONv1 version (geometry defined via builders)
502 AliMUON *MUON = new AliMUONv1("MUON", "default");
504 //=================== PHOS parameters ===========================
508 AliPHOS *PHOS = new AliPHOSv1("PHOS", "IHEP");
514 //=================== PMD parameters ============================
515 AliPMD *PMD = new AliPMDv1("PMD", "normal PMD");
520 //=================== START parameters ============================
521 AliSTART *START = new AliSTARTv1("START", "START Detector");
526 //=================== EMCAL parameters ============================
527 AliEMCAL *EMCAL = new AliEMCALv2("EMCAL", "SHISH");
532 //=================== CRT parameters ============================
533 AliCRT *CRT = new AliCRTv0("CRT", "normal ACORDE");
538 //=================== CRT parameters ============================
539 AliVZERO *VZERO = new AliVZEROv5("VZERO", "normal VZERO");
545 AliGenPythia *PythiaHVQ(PDC06Proc_t proc) {
546 //*******************************************************************//
547 // Configuration file for charm / beauty generation with PYTHIA //
549 // The parameters have been tuned in order to reproduce the inclusive//
550 // heavy quark pt distribution given by the NLO pQCD calculation by //
551 // Mangano, Nason and Ridolfi. //
553 // For details and for the NORMALIZATION of the yields see: //
554 // N.Carrer and A.Dainese, //
555 // "Charm and beauty production at the LHC", //
556 // ALICE-INT-2003-019, [arXiv:hep-ph/0311225]; //
557 // PPR Chapter 6.6, CERN/LHCC 2005-030 (2005). //
558 //*******************************************************************//
559 AliGenPythia * gener = 0x0;
563 comment = comment.Append(" Charm in Pb-Pb at 5.5 TeV");
564 gener = new AliGenPythia(nEvts);
565 gener->SetProcess(kPyCharmPbPbMNR);
566 gener->SetStrucFunc(kCTEQ4L);
567 gener->SetPtHard(2.1,-1.0);
568 gener->SetEnergyCMS(5500.);
569 gener->SetNuclei(208,208);
572 comment = comment.Append(" Charm in p-Pb at 8.8 TeV");
573 gener = new AliGenPythia(nEvts);
574 gener->SetProcess(kPyCharmpPbMNR);
575 gener->SetStrucFunc(kCTEQ4L);
576 gener->SetPtHard(2.1,-1.0);
577 gener->SetEnergyCMS(8800.);
578 gener->SetProjectile("P",1,1);
579 gener->SetTarget("Pb",208,82);
582 comment = comment.Append(" Charm in pp at 14 TeV");
583 gener = new AliGenPythia(nEvts);
584 gener->SetProcess(kPyCharmppMNR);
585 gener->SetStrucFunc(kCTEQ4L);
586 gener->SetPtHard(2.1,-1.0);
587 gener->SetEnergyCMS(14000.);
589 case kCharmpp14000wmi:
590 comment = comment.Append(" Charm in pp at 14 TeV with mult. interactions");
591 gener = new AliGenPythia(-1);
592 gener->SetProcess(kPyCharmppMNRwmi);
593 gener->SetStrucFunc(kCTEQ5L);
594 gener->SetPtHard(ptHardMin,ptHardMax);
595 gener->SetEnergyCMS(14000.);
598 comment = comment.Append(" D0 in Pb-Pb at 5.5 TeV");
599 gener = new AliGenPythia(nEvts);
600 gener->SetProcess(kPyD0PbPbMNR);
601 gener->SetStrucFunc(kCTEQ4L);
602 gener->SetPtHard(2.1,-1.0);
603 gener->SetEnergyCMS(5500.);
604 gener->SetNuclei(208,208);
607 comment = comment.Append(" D0 in p-Pb at 8.8 TeV");
608 gener = new AliGenPythia(nEvts);
609 gener->SetProcess(kPyD0pPbMNR);
610 gener->SetStrucFunc(kCTEQ4L);
611 gener->SetPtHard(2.1,-1.0);
612 gener->SetEnergyCMS(8800.);
613 gener->SetProjectile("P",1,1);
614 gener->SetTarget("Pb",208,82);
617 comment = comment.Append(" D0 in pp at 14 TeV");
618 gener = new AliGenPythia(nEvts);
619 gener->SetProcess(kPyD0ppMNR);
620 gener->SetStrucFunc(kCTEQ4L);
621 gener->SetPtHard(2.1,-1.0);
622 gener->SetEnergyCMS(14000.);
625 comment = comment.Append(" DPlus in Pb-Pb at 5.5 TeV");
626 gener = new AliGenPythia(nEvts);
627 gener->SetProcess(kPyDPlusPbPbMNR);
628 gener->SetStrucFunc(kCTEQ4L);
629 gener->SetPtHard(2.1,-1.0);
630 gener->SetEnergyCMS(5500.);
631 gener->SetNuclei(208,208);
634 comment = comment.Append(" DPlus in p-Pb at 8.8 TeV");
635 gener = new AliGenPythia(nEvts);
636 gener->SetProcess(kPyDPluspPbMNR);
637 gener->SetStrucFunc(kCTEQ4L);
638 gener->SetPtHard(2.1,-1.0);
639 gener->SetEnergyCMS(8800.);
640 gener->SetProjectile("P",1,1);
641 gener->SetTarget("Pb",208,82);
644 comment = comment.Append(" DPlus in pp at 14 TeV");
645 gener = new AliGenPythia(nEvts);
646 gener->SetProcess(kPyDPlusppMNR);
647 gener->SetStrucFunc(kCTEQ4L);
648 gener->SetPtHard(2.1,-1.0);
649 gener->SetEnergyCMS(14000.);
651 case kBeautyPbPb5500:
652 comment = comment.Append(" Beauty in Pb-Pb at 5.5 TeV");
653 gener = new AliGenPythia(nEvts);
654 gener->SetProcess(kPyBeautyPbPbMNR);
655 gener->SetStrucFunc(kCTEQ4L);
656 gener->SetPtHard(2.75,-1.0);
657 gener->SetEnergyCMS(5500.);
658 gener->SetNuclei(208,208);
661 comment = comment.Append(" Beauty in p-Pb at 8.8 TeV");
662 gener = new AliGenPythia(nEvts);
663 gener->SetProcess(kPyBeautypPbMNR);
664 gener->SetStrucFunc(kCTEQ4L);
665 gener->SetPtHard(2.75,-1.0);
666 gener->SetEnergyCMS(8800.);
667 gener->SetProjectile("P",1,1);
668 gener->SetTarget("Pb",208,82);
671 comment = comment.Append(" Beauty in pp at 14 TeV");
672 gener = new AliGenPythia(nEvts);
673 gener->SetProcess(kPyBeautyppMNR);
674 gener->SetStrucFunc(kCTEQ4L);
675 gener->SetPtHard(2.75,-1.0);
676 gener->SetEnergyCMS(14000.);
678 case kBeautypp14000wmi:
679 comment = comment.Append(" Beauty in pp at 14 TeV with mult. interactions");
680 gener = new AliGenPythia(-1);
681 gener->SetProcess(kPyBeautyppMNRwmi);
682 gener->SetStrucFunc(kCTEQ5L);
683 gener->SetPtHard(ptHardMin,ptHardMax);
684 gener->SetEnergyCMS(14000.);
691 AliGenerator* MbCocktail()
693 comment = comment.Append(" pp at 14 TeV: Pythia low-pt, no heavy quarks + J/Psi from parameterisation");
694 gener = new AliGenCocktail();
695 gener->UsePerEventRates();
699 AliGenPythia* pythia = new AliGenPythia(-1);
700 pythia->SetMomentumRange(0, 999999.);
701 pythia->SetThetaRange(0., 180.);
702 pythia->SetYRange(-12.,12.);
703 pythia->SetPtRange(0,1000.);
704 pythia->SetProcess(kPyMb);
705 pythia->SetEnergyCMS(14000.);
706 pythia->SwitchHFOff();
709 // J/Psi parameterisation
711 AliGenParam* jpsi = new AliGenParam(1, AliGenMUONlib::kJpsi, "CDF scaled", "Jpsi");
712 jpsi->SetPtRange(0.,100.);
713 jpsi->SetYRange(-8., 8.);
714 jpsi->SetPhiRange(0., 360.);
715 jpsi->SetForceDecay(kAll);
718 gener->AddGenerator(pythia, "Pythia", 1.);
719 gener->AddGenerator(jpsi, "J/Psi", 8.e-4);
724 AliGenerator* PyMbTriggered(Int_t pdg)
726 AliGenPythia* pythia = new AliGenPythia(-1);
727 pythia->SetMomentumRange(0, 999999.);
728 pythia->SetThetaRange(0., 180.);
729 pythia->SetYRange(-12.,12.);
730 pythia->SetPtRange(0,1000.);
731 pythia->SetProcess(kPyMb);
732 pythia->SetEnergyCMS(14000.);
733 pythia->SetTriggerParticle(pdg, 0.9);