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 = kPyOmegaPlus;
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);
336 //=================== Alice BODY parameters =============================
337 AliBODY *BODY = new AliBODY("BODY","Alice envelop");
340 //=================== MAG parameters ============================
341 // --- Start with Magnet since detector layouts may be depending ---
342 // --- on the selected Magnet dimensions ---
343 AliMAG *MAG = new AliMAG("MAG","Magnet");
348 //=================== ABSO parameters ============================
349 AliABSO *ABSO = new AliABSOv0("ABSO","Muon Absorber");
353 //=================== DIPO parameters ============================
355 AliDIPO *DIPO = new AliDIPOv2("DIPO","Dipole version 2");
359 //=================== HALL parameters ============================
361 AliHALL *HALL = new AliHALL("HALL","Alice Hall");
366 //=================== FRAME parameters ============================
368 AliFRAME *FRAME = new AliFRAMEv2("FRAME","Space Frame");
373 //=================== SHIL parameters ============================
375 AliSHIL *SHIL = new AliSHILv2("SHIL","Shielding");
380 //=================== PIPE parameters ============================
382 AliPIPE *PIPE = new AliPIPEv0("PIPE","Beam Pipe");
388 //=================== ITS parameters ============================
390 // As the innermost detector in ALICE, the Inner Tracking System "impacts" on
391 // almost all other detectors. This involves the fact that the ITS geometry
392 // still has several options to be followed in parallel in order to determine
393 // the best set-up which minimizes the induced background. All the geometries
394 // available to date are described in the following. Read carefully the comments
395 // and use the default version (the only one uncommented) unless you are making
396 // comparisons and you know what you are doing. In this case just uncomment the
397 // ITS geometry you want to use and run Aliroot.
399 // Detailed geometries:
402 //AliITS *ITS = new AliITSv5symm("ITS","Updated ITS TDR detailed version with symmetric services");
404 //AliITS *ITS = new AliITSv5asymm("ITS","Updates ITS TDR detailed version with asymmetric services");
406 AliITSvPPRasymmFMD *ITS = new AliITSvPPRasymmFMD("ITS","New ITS PPR detailed version with asymmetric services");
407 ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer
408 ITS->SetReadDet(kFALSE); // don't touch this parameter if you're not an ITS developer
409 ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRasymm2.det"); // don't touch this parameter if you're not an ITS developer
410 ITS->SetThicknessDet1(200.); // detector thickness on layer 1 must be in the range [150,300]
411 ITS->SetThicknessDet2(200.); // detector thickness on layer 2 must be in the range [150,300]
412 ITS->SetThicknessChip1(200.); // chip thickness on layer 1 must be in the range [100,300]
413 ITS->SetThicknessChip2(200.); // chip thickness on layer 2 must be in the range [100,300]
414 ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out
415 ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon
417 //AliITSvPPRsymm *ITS = new AliITSvPPRsymm("ITS","New ITS PPR detailed version with symmetric services");
418 //ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer
419 //ITS->SetReadDet(kFALSE); // don't touch this parameter if you're not an ITS developer
420 //ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRsymm2.det"); // don't touch this parameter if you're not an ITS developer
421 //ITS->SetThicknessDet1(300.); // detector thickness on layer 1 must be in the range [150,300]
422 //ITS->SetThicknessDet2(300.); // detector thickness on layer 2 must be in the range [150,300]
423 //ITS->SetThicknessChip1(300.); // chip thickness on layer 1 must be in the range [100,300]
424 //ITS->SetThicknessChip2(300.); // chip thickness on layer 2 must be in the range [100,300]
425 //ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out
426 //ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon
429 // Coarse geometries (warning: no hits are produced with these coarse geometries and they unuseful
430 // for reconstruction !):
433 //AliITSvPPRcoarseasymm *ITS = new AliITSvPPRcoarseasymm("ITS","New ITS PPR coarse version with asymmetric services");
434 //ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out
435 //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon
437 //AliITS *ITS = new AliITSvPPRcoarsesymm("ITS","New ITS PPR coarse version with symmetric services");
438 //ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out
439 //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon
443 // Geant3 <-> EUCLID conversion
444 // ============================
446 // SetEUCLID is a flag to output (=1) or not to output (=0) both geometry and
447 // media to two ASCII files (called by default ITSgeometry.euc and
448 // ITSgeometry.tme) in a format understandable to the CAD system EUCLID.
449 // The default (=0) means that you dont want to use this facility.
456 //============================ TPC parameters ===================
457 AliTPC *TPC = new AliTPCv2("TPC","Default");
462 //=================== TOF parameters ============================
463 AliTOF *TOF = new AliTOFv4T0("TOF","normal TOF");
467 //=================== RICH parameters ===========================
468 AliRICH *RICH = new AliRICHv1("RICH","normal RICH");
474 //=================== ZDC parameters ============================
476 AliZDC *ZDC = new AliZDCv1("ZDC","normal ZDC");
480 //=================== CRT parameters ============================
482 AliCRT *CRT = new AliCRTv1("CRT","normal CRT");
486 //=================== TRD parameters ============================
488 AliTRD *TRD = new AliTRDv1("TRD","TRD slow simulator");
490 // Select the gas mixture (0: 97% Xe + 3% isobutane, 1: 90% Xe + 10% CO2)
493 // With hole in front of PHOS
495 // With hole in front of RICH
498 AliTRDsim *TRDsim = TRD->CreateTR();
502 //=================== FMD parameters ============================
504 AliFMD *FMD = new AliFMDv0("FMD","normal FMD");
508 //=================== MUON parameters ===========================
509 AliMUON *MUON = new AliMUONv1("MUON","default");
512 //=================== PHOS parameters ===========================
515 AliPHOS *PHOS = new AliPHOSv1("PHOS","GPS2");
519 //=================== CRT parameters ===========================
522 AliCRT *CRT = new AliCRTv1("CRT","Normal CRTGPS2");
527 //=================== PMD parameters ============================
529 AliPMD *PMD = new AliPMDv1("PMD","normal PMD");
530 PMD->SetPAR(1., 1., 0.8, 0.02);
531 PMD->SetIN(6., 18., -580., 27., 27.);
532 PMD->SetGEO(0.0, 0.2, 4.);
533 PMD->SetPadSize(0.8, 1.0, 1.0, 1.5);
538 //=================== START parameters ============================
539 AliSTART *START = new AliSTARTv1("START","START Detector");
547 AliGenPythia *PythiaHVQ(PDC06Proc_t proc) {
548 //*******************************************************************//
549 // Configuration file for charm / beauty generation with PYTHIA //
551 // The parameters have been tuned in order to reproduce the inclusive//
552 // heavy quark pt distribution given by the NLO pQCD calculation by //
553 // Mangano, Nason and Ridolfi. //
555 // For details and for the NORMALIZATION of the yields see: //
556 // N.Carrer and A.Dainese, //
557 // "Charm and beauty production at the LHC", //
558 // ALICE-INT-2003-019, [arXiv:hep-ph/0311225]; //
559 // PPR Chapter 6.6, CERN/LHCC 2005-030 (2005). //
560 //*******************************************************************//
561 AliGenPythia * gener = 0x0;
565 comment = comment.Append(" Charm in Pb-Pb at 5.5 TeV");
566 gener = new AliGenPythia(nEvts);
567 gener->SetProcess(kPyCharmPbPbMNR);
568 gener->SetStrucFunc(kCTEQ4L);
569 gener->SetPtHard(2.1,-1.0);
570 gener->SetEnergyCMS(5500.);
571 gener->SetNuclei(208,208);
574 comment = comment.Append(" Charm in p-Pb at 8.8 TeV");
575 gener = new AliGenPythia(nEvts);
576 gener->SetProcess(kPyCharmpPbMNR);
577 gener->SetStrucFunc(kCTEQ4L);
578 gener->SetPtHard(2.1,-1.0);
579 gener->SetEnergyCMS(8800.);
580 gener->SetProjectile("P",1,1);
581 gener->SetTarget("Pb",208,82);
584 comment = comment.Append(" Charm in pp at 14 TeV");
585 gener = new AliGenPythia(nEvts);
586 gener->SetProcess(kPyCharmppMNR);
587 gener->SetStrucFunc(kCTEQ4L);
588 gener->SetPtHard(2.1,-1.0);
589 gener->SetEnergyCMS(14000.);
591 case kCharmpp14000wmi:
592 comment = comment.Append(" Charm in pp at 14 TeV with mult. interactions");
593 gener = new AliGenPythia(-1);
594 gener->SetProcess(kPyCharmppMNRwmi);
595 gener->SetStrucFunc(kCTEQ5L);
596 gener->SetPtHard(ptHardMin,ptHardMax);
597 gener->SetEnergyCMS(14000.);
600 comment = comment.Append(" D0 in Pb-Pb at 5.5 TeV");
601 gener = new AliGenPythia(nEvts);
602 gener->SetProcess(kPyD0PbPbMNR);
603 gener->SetStrucFunc(kCTEQ4L);
604 gener->SetPtHard(2.1,-1.0);
605 gener->SetEnergyCMS(5500.);
606 gener->SetNuclei(208,208);
609 comment = comment.Append(" D0 in p-Pb at 8.8 TeV");
610 gener = new AliGenPythia(nEvts);
611 gener->SetProcess(kPyD0pPbMNR);
612 gener->SetStrucFunc(kCTEQ4L);
613 gener->SetPtHard(2.1,-1.0);
614 gener->SetEnergyCMS(8800.);
615 gener->SetProjectile("P",1,1);
616 gener->SetTarget("Pb",208,82);
619 comment = comment.Append(" D0 in pp at 14 TeV");
620 gener = new AliGenPythia(nEvts);
621 gener->SetProcess(kPyD0ppMNR);
622 gener->SetStrucFunc(kCTEQ4L);
623 gener->SetPtHard(2.1,-1.0);
624 gener->SetEnergyCMS(14000.);
627 comment = comment.Append(" DPlus in Pb-Pb at 5.5 TeV");
628 gener = new AliGenPythia(nEvts);
629 gener->SetProcess(kPyDPlusPbPbMNR);
630 gener->SetStrucFunc(kCTEQ4L);
631 gener->SetPtHard(2.1,-1.0);
632 gener->SetEnergyCMS(5500.);
633 gener->SetNuclei(208,208);
636 comment = comment.Append(" DPlus in p-Pb at 8.8 TeV");
637 gener = new AliGenPythia(nEvts);
638 gener->SetProcess(kPyDPluspPbMNR);
639 gener->SetStrucFunc(kCTEQ4L);
640 gener->SetPtHard(2.1,-1.0);
641 gener->SetEnergyCMS(8800.);
642 gener->SetProjectile("P",1,1);
643 gener->SetTarget("Pb",208,82);
646 comment = comment.Append(" DPlus in pp at 14 TeV");
647 gener = new AliGenPythia(nEvts);
648 gener->SetProcess(kPyDPlusppMNR);
649 gener->SetStrucFunc(kCTEQ4L);
650 gener->SetPtHard(2.1,-1.0);
651 gener->SetEnergyCMS(14000.);
653 case kBeautyPbPb5500:
654 comment = comment.Append(" Beauty in Pb-Pb at 5.5 TeV");
655 gener = new AliGenPythia(nEvts);
656 gener->SetProcess(kPyBeautyPbPbMNR);
657 gener->SetStrucFunc(kCTEQ4L);
658 gener->SetPtHard(2.75,-1.0);
659 gener->SetEnergyCMS(5500.);
660 gener->SetNuclei(208,208);
663 comment = comment.Append(" Beauty in p-Pb at 8.8 TeV");
664 gener = new AliGenPythia(nEvts);
665 gener->SetProcess(kPyBeautypPbMNR);
666 gener->SetStrucFunc(kCTEQ4L);
667 gener->SetPtHard(2.75,-1.0);
668 gener->SetEnergyCMS(8800.);
669 gener->SetProjectile("P",1,1);
670 gener->SetTarget("Pb",208,82);
673 comment = comment.Append(" Beauty in pp at 14 TeV");
674 gener = new AliGenPythia(nEvts);
675 gener->SetProcess(kPyBeautyppMNR);
676 gener->SetStrucFunc(kCTEQ4L);
677 gener->SetPtHard(2.75,-1.0);
678 gener->SetEnergyCMS(14000.);
680 case kBeautypp14000wmi:
681 comment = comment.Append(" Beauty in pp at 14 TeV with mult. interactions");
682 gener = new AliGenPythia(-1);
683 gener->SetProcess(kPyBeautyppMNRwmi);
684 gener->SetStrucFunc(kCTEQ5L);
685 gener->SetPtHard(ptHardMin,ptHardMax);
686 gener->SetEnergyCMS(14000.);
693 AliGenerator* MbCocktail()
695 comment = comment.Append(" pp at 14 TeV: Pythia low-pt, no heavy quarks + J/Psi from parameterisation");
696 gener = new AliGenCocktail();
697 gener->UsePerEventRates();
698 gener->SetTrackingFlag(0);
703 AliGenPythia* pythia = new AliGenPythia(-1);
704 pythia->SetMomentumRange(0, 999999.);
705 pythia->SetThetaRange(0., 180.);
706 pythia->SetYRange(-12.,12.);
707 pythia->SetPtRange(0,1000.);
708 pythia->SetProcess(kPyMb);
709 pythia->SetEnergyCMS(14000.);
710 pythia->SwitchHFOff();
713 // J/Psi parameterisation
715 AliGenParam* jpsi = new AliGenParam(1, AliGenMUONlib::kJpsi, "CDF scaled", "Jpsi");
716 jpsi->SetPtRange(0.,100.);
717 jpsi->SetYRange(-8., 8.);
718 jpsi->SetPhiRange(0., 360.);
719 jpsi->SetForceDecay(kAll);
722 gener->AddGenerator(pythia, "Pythia", 1.);
723 gener->AddGenerator(jpsi, "J/Psi", 8.e-4);
728 AliGenerator* PyMbTriggered(Int_t pdg)
730 AliGenPythia* pythia = new AliGenPythia(-1);
731 pythia->SetMomentumRange(0, 999999.);
732 pythia->SetThetaRange(0., 180.);
733 pythia->SetYRange(-12.,12.);
734 pythia->SetPtRange(0,1000.);
735 pythia->SetProcess(kPyMb);
736 pythia->SetEnergyCMS(14000.);
737 pythia->SetTriggerParticle(pdg, 0.9);