4 kParam_8000, kParam_4000, kParam_2000,
5 kHijing_cent1, kHijing_cent2,
6 kHijing_per1, kHijing_per2, kHijing_per3, kHijing_per4, kHijing_per5,
7 kHijing_jj25, kHijing_jj50, kHijing_jj75, kHijing_jj100, kHijing_jj125,
8 kHijing_gj25, kHijing_gj50, kHijing_gj75, kHijing_gj100, kHijing_gj125,
9 kJetPlusBg, kGammaPlusBg,
10 kParam_8000_Ecal, kParam_4000_Ecal,
22 kGluonRadiation, kNoGluonRadiation
25 // This part for configuration
26 //static PprRun_t run = kParam_8000_Ecal;
27 static PprRun_t run = kJets_100;
28 static PprGeo_t geo = kHoles;
29 static PprRad_t rad = kNoGluonRadiation;
31 static TString comment;
37 // Switch on Transition adiation simulation. 6/12/00 18:00
38 // iZDC=1 7/12/00 09:00
39 // ThetaRange is (0., 180.). It was (0.28,179.72) 7/12/00 09:00
40 // Theta range given through pseudorapidity limits 22/6/2001
42 // Set Random Number seed
43 // gRandom->SetSeed(12345);
45 new AliGeant3("C++ Interface to Geant3");
47 if (!gSystem->Getenv("CONFIG_FILE"))
49 TFile *rootfile = new TFile("galice.root", "recreate");
51 rootfile->SetCompressionLevel(2);
54 TGeant3 *geant3 = (TGeant3 *) gMC;
57 // Set External decayer
58 AliDecayer *decayer = new AliDecayerPythia();
60 decayer->SetForceDecay(kAll);
62 gMC->SetExternalDecayer(decayer);
65 //=======================================================================
66 // ******* GEANT STEERING parameters FOR ALICE SIMULATION *******
67 geant3->SetTRIG(1); //Number of events to be processed
68 geant3->SetSWIT(4, 10);
69 geant3->SetDEBU(0, 0, 1);
80 geant3->SetHADR(1); //Select pure GEANH (HADR 1) or GEANH/NUCRIN (HADR 3)
84 geant3->SetAUTO(1); //Select automatic STMIN etc... calc. (AUTO 1) or manual (AUTO 0)
85 geant3->SetABAN(0); //Restore 3.16 behaviour for abandoned tracks
86 geant3->SetOPTI(2); //Select optimisation level for GEANT geometry searches (0,1,2)
87 geant3->SetERAN(5.e-7);
89 Float_t cut = 1.e-3; // 1MeV cut by default
90 Float_t tofmax = 1.e10;
92 // GAM ELEC NHAD CHAD MUON EBREM MUHAB EDEL MUDEL MUPA TOFMAX
93 geant3->SetCUTS(cut, cut, cut, cut, cut, cut, cut, cut, cut, cut, tofmax);
94 gAlice->TrackingLimits(900, 900);
97 //=======================================================================
98 // ************* STEERING parameters FOR ALICE SIMULATION **************
99 // --- Specify event type to be tracked through the ALICE setup
100 // --- All positions are in cm, angles in degrees, and P and E in GeV
103 // Generator Configuration
106 AliGenerator* gener = GeneratorFactory(run);
108 gener->SetTrackingFlag(1);
112 if (rad == kGluonRadiation)
114 //coment= comment.Append(" | Gluon Radiation On");
117 //coment= comment.Append(" | Gluon Radiation Off");
122 //coment= comment.Append(" | Holes for PHOS/RICH");
125 //coment= comment.Append(" | No holes for PHOS/RICH");
128 printf("\n \n Comment: %s \n \n", (char*) comment);
133 AliMagFCM* field = new AliMagFCM(
134 "Map2","$(ALICE_ROOT)/data/field01.dat", 2, 1., 10.);
135 field->SetSolenoidField(4.);
136 gAlice->SetField(field);
160 // enable/disable StepManager()
163 Int_t enableABSO = 0;
164 Int_t enableCASTOR = 0;
165 Int_t enableDIPO = 0;
167 Int_t enableFRAME = 0;
168 Int_t enableHALL = 0;
171 Int_t enableMUON = 0;
172 Int_t enablePHOS = 1;
173 Int_t enablePIPE = 0;
175 Int_t enableRICH = 0;
176 Int_t enableSHIL = 0;
177 Int_t enableSTART = 0;
182 Int_t enableEMCAL = 1;
184 //=================== Alice BODY parameters =============================
185 AliBODY *BODY = new AliBODY("BODY", "Alice envelop");
190 //=================== MAG parameters ============================
191 // --- Start with Magnet since detector layouts may be depending ---
192 // --- on the selected Magnet dimensions ---
193 AliMAG *MAG = new AliMAG("MAG", "Magnet");
199 //=================== ABSO parameters ============================
200 AliABSO *ABSO = new AliABSOv0("ABSO", "Muon Absorber");
205 //=================== DIPO parameters ============================
207 AliDIPO *DIPO = new AliDIPOv2("DIPO", "Dipole version 2");
212 //=================== HALL parameters ============================
214 AliHALL *HALL = new AliHALL("HALL", "Alice Hall");
220 //=================== FRAME parameters ============================
222 AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame");
232 //=================== SHIL parameters ============================
234 AliSHIL *SHIL = new AliSHILv0("SHIL", "Shielding");
240 //=================== PIPE parameters ============================
242 AliPIPE *PIPE = new AliPIPEv0("PIPE", "Beam Pipe");
247 //=================== ITS parameters ============================
249 // As the innermost detector in ALICE, the Inner Tracking System "impacts" on
250 // almost all other detectors. This involves the fact that the ITS geometry
251 // still has several options to be followed in parallel in order to determine
252 // the best set-up which minimizes the induced background. All the geometries
253 // available to date are described in the following. Read carefully the comments
254 // and use the default version (the only one uncommented) unless you are making
255 // comparisons and you know what you are doing. In this case just uncomment the
256 // ITS geometry you want to use and run Aliroot.
258 // Detailed geometries:
261 //AliITS *ITS = new AliITSv5symm("ITS","Updated ITS TDR detailed version with symmetric services");
263 //AliITS *ITS = new AliITSv5asymm("ITS","Updates ITS TDR detailed version with asymmetric services");
265 AliITSvPPRasymm *ITS = new AliITSvPPRasymm("ITS","New ITS PPR detailed version with asymmetric services");
266 ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer
267 ITS->SetReadDet(kFALSE); // don't touch this parameter if you're not an ITS developer
268 // ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRasymm2.det"); // don't touch this parameter if you're not an ITS developer
269 ITS->SetThicknessDet1(200.); // detector thickness on layer 1 must be in the range [100,300]
270 ITS->SetThicknessDet2(200.); // detector thickness on layer 2 must be in the range [100,300]
271 ITS->SetThicknessChip1(200.); // chip thickness on layer 1 must be in the range [150,300]
272 ITS->SetThicknessChip2(200.); // chip thickness on layer 2 must be in the range [150,300]
273 ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out
274 ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon
276 //AliITSvPPRsymm *ITS = new AliITSvPPRsymm("ITS","New ITS PPR detailed version with symmetric services");
277 //ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer
278 //ITS->SetReadDet(kFALSE); // don't touch this parameter if you're not an ITS developer
279 //ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRsymm2.det"); // don't touch this parameter if you're not an ITS developer
280 //ITS->SetThicknessDet1(200.); // detector thickness on layer 1 must be in the range [100,300]
281 //ITS->SetThicknessDet2(200.); // detector thickness on layer 2 must be in the range [100,300]
282 //ITS->SetThicknessChip1(200.); // chip thickness on layer 1 must be in the range [150,300]
283 //ITS->SetThicknessChip2(200.); // chip thickness on layer 2 must be in the range [150,300]
284 //ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out
285 //ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon
288 // Coarse geometries (warning: no hits are produced with these coarse geometries and they unuseful
289 // for reconstruction !):
292 //AliITSvPPRcoarseasymm *ITS = new AliITSvPPRcoarseasymm("ITS","New ITS PPR coarse version with asymmetric services");
293 //ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out
294 //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon
296 //AliITS *ITS = new AliITSvPPRcoarsesymm("ITS","New ITS PPR coarse version with symmetric services");
297 //ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out
298 //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon
302 // Geant3 <-> EUCLID conversion
303 // ============================
305 // SetEUCLID is a flag to output (=1) or not to output (=0) both geometry and
306 // media to two ASCII files (called by default ITSgeometry.euc and
307 // ITSgeometry.tme) in a format understandable to the CAD system EUCLID.
308 // The default (=0) means that you dont want to use this facility.
311 if (!enableITS) ITS->DisableStepManager();
317 //============================ TPC parameters ================================
318 // --- This allows the user to specify sectors for the SLOW (TPC geometry 2)
319 // --- Simulator. SecAL (SecAU) <0 means that ALL lower (upper)
320 // --- sectors are specified, any value other than that requires at least one
321 // --- sector (lower or upper)to be specified!
322 // --- Reminder: sectors 1-24 are lower sectors (1-12 -> z>0, 13-24 -> z<0)
323 // --- sectors 25-72 are the upper ones (25-48 -> z>0, 49-72 -> z<0)
324 // --- SecLows - number of lower sectors specified (up to 6)
325 // --- SecUps - number of upper sectors specified (up to 12)
326 // --- Sens - sensitive strips for the Slow Simulator !!!
327 // --- This does NOT work if all S or L-sectors are specified, i.e.
328 // --- if SecAL or SecAU < 0
331 //-----------------------------------------------------------------------------
333 // gROOT->LoadMacro("SetTPCParam.C");
334 // AliTPCParam *param = SetTPCParam();
335 AliTPC *TPC = new AliTPCv2("TPC", "Default");
337 // All sectors included
340 if (!enableTPC) TPC->DisableStepManager();
346 //=================== RICH parameters ===========================
347 AliRICH *RICH = new AliRICHv1("RICH", "normal RICH");
348 if (!enableRICH) RICH->DisableStepManager();
354 //=================== ZDC parameters ============================
356 AliZDC *ZDC = new AliZDCv2("ZDC", "normal ZDC");
357 if (!enableZDC) ZDC->DisableStepManager();
362 //=================== CASTOR parameters ============================
364 AliCASTOR *CASTOR = new AliCASTORv1("CASTOR", "normal CASTOR");
365 if (!enableCASTOR) CASTOR->DisableStepManager();
370 //=================== TRD parameters ============================
372 AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator");
374 // Select the gas mixture (0: 97% Xe + 3% isobutane, 1: 90% Xe + 10% CO2)
377 // With hole in front of PHOS
379 // With hole in front of RICH
383 AliTRDsim *TRDsim = TRD->CreateTR();
384 if (!enableTRD) TRD->DisableStepManager();
389 //=================== FMD parameters ============================
391 AliFMD *FMD = new AliFMDv1("FMD", "normal FMD");
392 FMD->SetRingsSi1(256);
393 FMD->SetRingsSi2(64);
394 FMD->SetSectorsSi1(20);
395 FMD->SetSectorsSi2(24);
396 if (!enableFMD) FMD->DisableStepManager();
401 //=================== MUON parameters ===========================
403 AliMUON *MUON = new AliMUONv1("MUON", "default");
404 if (!enableMUON) MUON->DisableStepManager();
406 //=================== PHOS parameters ===========================
410 AliPHOS *PHOS = new AliPHOSv1("PHOS", "IHEP");
411 if (!enablePHOS) PHOS->DisableStepManager();
417 //=================== PMD parameters ============================
418 AliPMD *PMD = new AliPMDv1("PMD", "normal PMD");
419 PMD->SetPAR(1., 1., 0.8, 0.02);
420 PMD->SetIN(6., 18., -580., 27., 27.);
421 PMD->SetGEO(0.0, 0.2, 4.);
422 PMD->SetPadSize(0.8, 1.0, 1.0, 1.5);
423 if (!enablePMD) PMD->DisableStepManager();
428 //=================== TOF parameters ============================
429 AliTOF *TOF = new AliTOFv2FHoles("TOF", "TOF with Holes");
431 AliTOF *TOF = new AliTOFv4("TOF", "normal TOF");
433 if (!enableTOF) TOF->DisableStepManager();
438 //=================== START parameters ============================
439 AliSTART *START = new AliSTARTv1("START", "START Detector");
440 if (!enableSTART) START->DisableStepManager();
443 if (iEMCAL && !iRICH)
445 //=================== EMCAL parameters ============================
446 AliEMCAL *EMCAL = new AliEMCALv1("EMCAL", "EMCALArch1b");
447 if (!enableEMCAL) EMCAL->DisableStepManager();
451 Float_t EtaToTheta(Float_t arg){
452 return (180./TMath::Pi())*2.*atan(exp(-arg));
457 AliGenerator* GeneratorFactory(PprRun_t run) {
459 if (rad == kNoGluonRadiation) isw = 0;
464 gener = new AliGenFixed(1);
465 gener->SetMomentum(100.);
467 gener->SetTheta(91.);
468 gener->SetPart(kElectron);
472 gener = new AliGenBox(100);
473 gener->SetMomentumRange(100., 100.1);
474 gener->SetPhiRange(0,360);
475 gener->SetThetaRange(45., 135.);
476 gener->SetPart(kElectron);
480 //coment= comment.Append(":HIJINGparam test 50 particles");
481 gener = new AliGenHIJINGparaBa(50);
482 gener->SetMomentumRange(0, 999999.);
483 gener->SetPhiRange(-180., 180.);
484 // Set pseudorapidity range from -8 to 8.
485 Float_t thmin = EtaToTheta(8); // theta min. <---> eta max
486 Float_t thmax = EtaToTheta(-8); // theta max. <---> eta min
487 gener->SetThetaRange(thmin,thmax);
491 //coment= comment.Append(":HIJINGparam N=8000");
492 AliGenHIJINGpara *gener = new AliGenHIJINGpara(86030);
493 gener->SetMomentumRange(0, 999999.);
494 gener->SetPhiRange(-180., 180.);
495 // Set pseudorapidity range from -8 to 8.
496 Float_t thmin = EtaToTheta(8); // theta min. <---> eta max
497 Float_t thmax = EtaToTheta(-8); // theta max. <---> eta min
498 gener->SetThetaRange(thmin,thmax);
501 //coment= comment.Append("HIJINGparam N=4000");
502 AliGenHIJINGpara *gener = new AliGenHIJINGpara(43015);
503 gener->SetMomentumRange(0, 999999.);
504 gener->SetPhiRange(-180., 180.);
505 // Set pseudorapidity range from -8 to 8.
506 Float_t thmin = EtaToTheta(8); // theta min. <---> eta max
507 Float_t thmax = EtaToTheta(-8); // theta max. <---> eta min
508 gener->SetThetaRange(thmin,thmax);
511 //coment= comment.Append("HIJINGparam N=2000");
512 AliGenHIJINGpara *gener = new AliGenHIJINGpara(21507);
513 gener->SetMomentumRange(0, 999999.);
514 gener->SetPhiRange(-180., 180.);
515 // Set pseudorapidity range from -8 to 8.
516 Float_t thmin = EtaToTheta(8); // theta min. <---> eta max
517 Float_t thmax = EtaToTheta(-8); // theta max. <---> eta min
518 gener->SetThetaRange(thmin,thmax);
521 case kParam_8000_Ecal:
522 //coment= comment.Append(":HIJINGparam N=8000 baryons");
523 AliGenHIJINGparaBa *gener = new AliGenHIJINGparaBa(82534);
524 gener->SetMomentumRange(0, 999999.);
525 gener->SetPhiRange(-180., 180.);
526 // Set pseudorapidity range from -8 to 8.
527 Float_t thmin = EtaToTheta( 5); // theta min. <---> eta max
528 Float_t thmax = EtaToTheta(-5); // theta max. <---> eta min
529 gener->SetThetaRange(thmin,thmax);
532 case kParam_4000_Ecal:
533 //coment= comment.Append(":HIJINGparam N=8000 baryons");
534 AliGenHIJINGparaBa *gener = new AliGenHIJINGparaBa(82534/2.);
535 gener->SetMomentumRange(0, 999999.);
536 gener->SetPhiRange(-180., 180.);
537 // Set pseudorapidity range from -8 to 8.
538 Float_t thmin = EtaToTheta( 5); // theta min. <---> eta max
539 Float_t thmax = EtaToTheta(-5); // theta max. <---> eta min
540 gener->SetThetaRange(thmin,thmax);
546 //coment= comment.Append("HIJING cent1");
547 AliGenHijing *gener = HijingStandard();
548 // impact parameter range
549 gener->SetImpactParameterRange(0., 5.);
552 //coment= comment.Append("HIJING cent2");
553 AliGenHijing *gener = HijingStandard();
554 // impact parameter range
555 gener->SetImpactParameterRange(0., 2.);
561 //coment= comment.Append("HIJING per1");
562 AliGenHijing *gener = HijingStandard();
563 // impact parameter range
564 gener->SetImpactParameterRange(5., 8.6);
567 //coment= comment.Append("HIJING per2");
568 AliGenHijing *gener = HijingStandard();
569 // impact parameter range
570 gener->SetImpactParameterRange(8.6, 11.2);
573 //coment= comment.Append("HIJING per3");
574 AliGenHijing *gener = HijingStandard();
575 // impact parameter range
576 gener->SetImpactParameterRange(11.2, 13.2);
579 //coment= comment.Append("HIJING per4");
580 AliGenHijing *gener = HijingStandard();
581 // impact parameter range
582 gener->SetImpactParameterRange(13.2, 15.);
585 //coment= comment.Append("HIJING per5");
586 AliGenHijing *gener = HijingStandard();
587 // impact parameter range
588 gener->SetImpactParameterRange(15., 100.);
594 //coment= comment.Append("HIJING Jet 25 GeV");
595 AliGenHijing *gener = HijingStandard();
596 // impact parameter range
597 gener->SetImpactParameterRange(0., 5.);
599 gener->SetTrigger(1);
600 gener->SetPtMinJet(25.);
601 gener->SetRadiation(isw);
602 gener->SetJetEtaRange(-0.3,0.3);
603 gener->SetJetPhiRange(15.,105.);
607 //coment= comment.Append("HIJING Jet 50 GeV");
608 AliGenHijing *gener = HijingStandard();
609 // impact parameter range
610 gener->SetImpactParameterRange(0., 5.);
612 gener->SetTrigger(1);
613 gener->SetPtMinJet(50.);
614 gener->SetRadiation(isw);
615 gener->SetJetEtaRange(-0.3,0.3);
616 gener->SetJetPhiRange(15.,105.);
620 //coment= comment.Append("HIJING Jet 75 GeV");
621 AliGenHijing *gener = HijingStandard();
622 // impact parameter range
623 gener->SetImpactParameterRange(0., 5.);
625 gener->SetTrigger(1);
626 gener->SetPtMinJet(75.);
627 gener->SetRadiation(isw);
628 gener->SetJetEtaRange(-0.3,0.3);
629 gener->SetJetPhiRange(15.,105.);
633 //coment= comment.Append("HIJING Jet 100 GeV");
634 AliGenHijing *gener = HijingStandard();
635 // impact parameter range
636 gener->SetImpactParameterRange(10., 10.1);
638 gener->SetTrigger(1);
639 gener->SetPtMinJet(100.);
640 gener->SetRadiation(isw);
641 gener->SetJetEtaRange(-0.3,0.3);
642 gener->SetJetPhiRange(15.,105.);
646 //coment= comment.Append("HIJING Jet 125 GeV");
647 AliGenHijing *gener = HijingStandard();
648 // impact parameter range
649 gener->SetImpactParameterRange(0., 5.);
651 gener->SetTrigger(1);
652 gener->SetPtMinJet(125.);
653 gener->SetRadiation(isw);
654 gener->SetJetEtaRange(-0.3,0.3);
655 gener->SetJetPhiRange(15.,105.);
661 //coment= comment.Append("HIJING Gamma 25 GeV");
662 AliGenHijing *gener = HijingStandard();
663 // impact parameter range
664 gener->SetImpactParameterRange(0., 5.);
666 gener->SetTrigger(2);
667 gener->SetPtMinJet(25.);
668 gener->SetRadiation(isw);
669 gener->SetJetEtaRange(-0.3,0.3);
670 gener->SetJetPhiRange(15.,105.);
674 //coment= comment.Append("HIJING Gamma 50 GeV");
675 AliGenHijing *gener = HijingStandard();
676 // impact parameter range
677 gener->SetImpactParameterRange(0., 5.);
679 gener->SetTrigger(2);
680 gener->SetPtMinJet(50.);
681 gener->SetRadiation(isw);
682 gener->SetJetEtaRange(-0.3,0.3);
683 gener->SetJetPhiRange(15.,105.);
687 //coment= comment.Append("HIJING Gamma 75 GeV");
688 AliGenHijing *gener = HijingStandard();
689 // impact parameter range
690 gener->SetImpactParameterRange(0., 5.);
692 gener->SetTrigger(2);
693 gener->SetPtMinJet(75.);
694 gener->SetRadiation(isw);
695 gener->SetJetEtaRange(-0.3,0.3);
696 gener->SetJetPhiRange(15.,105.);
700 //coment= comment.Append("HIJING Gamma 100 GeV");
701 AliGenHijing *gener = HijingStandard();
702 // impact parameter range
703 gener->SetImpactParameterRange(0., 5.);
705 gener->SetTrigger(2);
706 gener->SetPtMinJet(100.);
707 gener->SetRadiation(isw);
708 gener->SetJetEtaRange(-0.3,0.3);
709 gener->SetJetPhiRange(15.,105.);
713 //coment= comment.Append("HIJING Gamma 125 GeV");
714 AliGenHijing *gener = HijingStandard();
715 // impact parameter range
716 gener->SetImpactParameterRange(0., 5.);
718 gener->SetTrigger(2);
719 gener->SetPtMinJet(125.);
720 gener->SetRadiation(isw);
721 gener->SetJetEtaRange(-0.3,0.3);
722 gener->SetJetPhiRange(15.,105.);
725 AliGenCocktail *gener = new AliGenCocktail();
726 gener->SetMomentumRange(0, 999999.);
727 gener->SetPhiRange(-180., 180.);
728 // Set pseudorapidity range from -8 to 8.
729 Float_t thmin = EtaToTheta( 5.); // theta min. <---> eta max
730 Float_t thmax = EtaToTheta(-5.); // theta max. <---> eta min
731 gener->SetThetaRange(thmin,thmax);
736 // AliGenHIJINGparaBa *bg = new AliGenHIJINGparaBa(82534);
737 AliGenHIJINGparaBa *bg = new AliGenHIJINGparaBa(10);
741 AliGenPythia *jets = new AliGenPythia(-1);
742 // Centre of mass energy
743 jets->SetEnergyCMS(5500.);
745 jets->SetProcess(kPyJets);
746 // final state kinematic cuts
747 jets->SetJetEtaRange(-0.3, 0.3);
748 jets->SetJetPhiRange(15., 105.);
749 // Structure function
750 jets->SetStrucFunc(kGRV_LO_98);
752 // Pt transfer of the hard scattering
753 jets->SetPtHard(100.,100.1);
754 // Decay type (semielectronic, semimuonic, nodecay)
755 jets->SetForceDecay(kAll);
757 // Add all to cockail ...
759 gener->AddGenerator(bg,"Underlying Event", 1);
760 // gener->AddGenerator(jets,"Jets",1);
763 AliGenCocktail *gener = new AliGenCocktail();
764 gener->SetMomentumRange(0, 999999.);
765 gener->SetPhiRange(-180., 180.);
766 // Set pseudorapidity range from -8 to 8.
767 Float_t thmin = EtaToTheta( 5.); // theta min. <---> eta max
768 Float_t thmax = EtaToTheta(-5.); // theta max. <---> eta min
769 gener->SetThetaRange(thmin,thmax);
774 AliGenHIJINGparaBa *bg = new AliGenHIJINGparaBa(82534);
778 AliGenPythia *jets = new AliGenPythia(-1);
779 // Centre of mass energy
780 jets->SetEnergyCMS(5500.);
782 jets->SetProcess(kPyDirectGamma);
783 // final state kinematic cuts
784 jets->SetJetEtaRange(-0.3, 0.3);
785 jets->SetJetPhiRange(15., 105.);
786 jets->SetGammaEtaRange(-0.12, 0.12);
787 jets->SetGammaPhiRange(220., 320.);
788 // Structure function
789 jets->SetStrucFunc(kGRV_LO_98);
791 // Pt transfer of the hard scattering
792 jets->SetPtHard(100.,100.1);
793 // Decay type (semielectronic, semimuonic, nodecay)
794 jets->SetForceDecay(kAll);
796 // Add all to cockail ...
798 gener->AddGenerator(bg,"Underlying Event", 1);
799 gener->AddGenerator(jets,"Jets",1);
803 AliGenPythia *gener = PythiaJets(100.);
810 AliGenHijing* HijingStandard()
812 AliGenHijing *gener = new AliGenHijing(-1);
813 // centre of mass energy
814 gener->SetEnergyCMS(5500.);
816 gener->SetReferenceFrame("CMS");
818 gener->SetProjectile("A", 208, 82);
819 gener->SetTarget ("A", 208, 82);
820 // tell hijing to keep the full parent child chain
821 gener->KeepFullEvent();
822 // enable jet quenching
823 gener->SetJetQuenching(1);
825 gener->SetShadowing(1);
826 // neutral pion and heavy particle decays switched off
827 gener->SetDecaysOff(1);
828 // Don't track spectators
829 gener->SetSpectators(0);
830 // kinematic selection
831 gener->SetSelectAll(0);
835 AliGenPythia* PythiaJets(Float_t energy)
837 AliGenPythia *gener = new AliGenPythia(-1);
838 // Centre of mass energy
839 gener->SetEnergyCMS(5500.);
841 gener->SetProcess(kPyJets);
842 // final state kinematic cuts
843 gener->SetJetEtaRange(-0.3, 0.3);
844 gener->SetJetPhiRange(15., 105.);
845 // Structure function
846 gener->SetStrucFunc(kGRV_LO_98);
848 // Pt transfer of the hard scattering
849 gener->SetPtHard(energy, energy+0.1);
850 // Decay type (semielectronic, semimuonic, nodecay)
851 gener->SetForceDecay(kAll);
857 AliGenPythia* PythiaGamma(Float_t energy)
859 AliGenPythia *gener = new AliGenPythia(-1);
860 // Centre of mass energy
861 gener->SetEnergyCMS(5500.);
863 gener->SetProcess(kPyDirectGamma);
864 // final state kinematic cuts
865 gener->SetJetEtaRange(-0.3, 0.3);
866 gener->SetJetPhiRange(15., 105.);
867 gener->SetGammaEtaRange(-0.12, 0.12);
868 gener->SetGammaPhiRange(220., 320.);
869 // Structure function
870 gener->SetStrucFunc(kGRV_LO_98);
872 // Pt transfer of the hard scattering
873 gener->SetPtHard(energy, energy+0.1);
874 // Decay type (semielectronic, semimuonic, nodecay)
875 gener->SetForceDecay(kAll);