enum PprRun_t { kTest50, kParam_8000, kParam_4000, kParam_2000, kHijing_cent1, kHijing_cent2, kHijing_per1, kHijing_per2, kHijing_per3, kHijing_per4, kHijing_per5, kHijing_jj25, kHijing_jj50, kHijing_jj75, kHijing_jj100, kHijing_jj125, kHijing_gj25, kHijing_gj50, kHijing_gj75, kHijing_gj100, kHijing_gj125, kJetPlusBg, kGammaPlusBg, kParam_8000_Ecal, kParam_4000_Ecal, kJets_50, kJets_75, kJets_100, kJets_200, kGammaJets_50, kGammaJets_75, kGammaJets_100, kGammaJets_200, kGammaJets_250, kGammaJets_300, kGammaGun, kGammaBox }; enum PprGeo_t { kHoles, kNoHoles }; enum PprRad_t { kGluonRadiation, kNoGluonRadiation }; // This part for configuration static PprRun_t run = kHijing_jj75; //static PprRun_t run = kJets_100; static PprGeo_t geo = kHoles; static PprRad_t rad = kGluonRadiation; static Int_t eventsPerRun = 100; static Int_t simpleJet = 1; if (rad == kGluonRadiation) { simpleJet = 0; } // Comment line static TString comment; void Config() { // 7-DEC-2000 09:00 // Switch on Transition adiation simulation. 6/12/00 18:00 // iZDC=1 7/12/00 09:00 // ThetaRange is (0., 180.). It was (0.28,179.72) 7/12/00 09:00 // Theta range given through pseudorapidity limits 22/6/2001 // Set Random Number seed // gRandom->SetSeed(12345); new AliGeant3("C++ Interface to Geant3"); if (!gSystem->Getenv("CONFIG_FILE")) { TFile *rootfile = new TFile("galice.root", "recreate"); rootfile->SetCompressionLevel(2); } TGeant3 *geant3 = (TGeant3 *) gMC; // // Set External decayer AliDecayer *decayer = new AliDecayerPythia(); decayer->SetForceDecay(kAll); decayer->Init(); gMC->SetExternalDecayer(decayer); // // //======================================================================= // ******* GEANT STEERING parameters FOR ALICE SIMULATION ******* geant3->SetTRIG(1); //Number of events to be processed geant3->SetSWIT(4, 10); geant3->SetDEBU(0, 0, 1); geant3->SetDCAY(1); geant3->SetPAIR(1); geant3->SetCOMP(1); geant3->SetPHOT(1); geant3->SetPFIS(0); geant3->SetDRAY(0); geant3->SetANNI(1); geant3->SetBREM(1); geant3->SetMUNU(1); geant3->SetCKOV(1); geant3->SetHADR(1); //Select pure GEANH (HADR 1) or GEANH/NUCRIN (HADR 3) geant3->SetLOSS(2); geant3->SetMULS(1); geant3->SetRAYL(1); geant3->SetAUTO(1); //Select automatic STMIN etc... calc. (AUTO 1) or manual (AUTO 0) geant3->SetABAN(0); //Restore 3.16 behaviour for abandoned tracks geant3->SetOPTI(2); //Select optimisation level for GEANT geometry searches (0,1,2) geant3->SetERAN(5.e-7); Float_t cut = 1.e-3; // 1MeV cut by default Float_t tofmax = 1.e10; // GAM ELEC NHAD CHAD MUON EBREM MUHAB EDEL MUDEL MUPA TOFMAX geant3->SetCUTS(cut, cut, cut, cut, cut, cut, cut, cut, cut, cut, tofmax); gAlice->TrackingLimits(900, 900); // //======================================================================= // ************* STEERING parameters FOR ALICE SIMULATION ************** // --- Specify event type to be tracked through the ALICE setup // --- All positions are in cm, angles in degrees, and P and E in GeV // Generator Configuration gAlice->SetDebug(1); AliGenerator* gener = GeneratorFactory(run); gener->SetPtRange(0.,1.e10); gener->Init(); gener->SetTrackingFlag(1); if (rad == kGluonRadiation) { //coment= comment.Append(" | Gluon Radiation On"); } else { //coment= comment.Append(" | Gluon Radiation Off"); } if (geo == kHoles) { //coment= comment.Append(" | Holes for PHOS/RICH"); } else { //coment= comment.Append(" | No holes for PHOS/RICH"); } printf("\n \n Comment: %s \n \n", (char*) comment); // Field (L3 0.4 T) AliMagFCM* field = new AliMagFCM( "Map2","$(ALICE_ROOT)/data/field01.dat", 2, 1., 10.); field->SetSolenoidField(4.); gAlice->SetField(field); Int_t iMAG = 1; Int_t iITS = 1; Int_t iTPC = 1; Int_t iTOF = 1; Int_t iRICH = 0; Int_t iZDC = 0; Int_t iCASTOR = 0; Int_t iTRD = 1; Int_t iABSO = 1; Int_t iDIPO = 0; Int_t iHALL = 1; Int_t iFRAME = 1; Int_t iSHIL = 0; Int_t iPIPE = 1; Int_t iFMD = 1; Int_t iMUON = 0; Int_t iPHOS = 1; Int_t iPMD = 1; Int_t iSTART = 1; Int_t iVZERO = 1; Int_t iEMCAL = 1; // // enable/disable StepManager() // Int_t enableABSO = 0; Int_t enableCASTOR = 0; Int_t enableDIPO = 0; Int_t enableFMD = 0; Int_t enableFRAME = 0; Int_t enableHALL = 0; Int_t enableITS = 0; Int_t enableMAG = 0; Int_t enableMUON = 0; Int_t enablePHOS = 1; Int_t enablePIPE = 0; Int_t enablePMD = 0; Int_t enableRICH = 0; Int_t enableSHIL = 0; Int_t enableSTART = 0; Int_t enableTOF = 0; Int_t enableTPC = 0; Int_t enableTRD = 0; Int_t enableZDC = 0; Int_t enableEMCAL = 1; //=================== Alice BODY parameters ============================= AliBODY *BODY = new AliBODY("BODY", "Alice envelop"); if (iMAG) { //=================== MAG parameters ============================ // --- Start with Magnet since detector layouts may be depending --- // --- on the selected Magnet dimensions --- AliMAG *MAG = new AliMAG("MAG", "Magnet"); } if (iABSO) { //=================== ABSO parameters ============================ AliABSO *ABSO = new AliABSOv0("ABSO", "Muon Absorber"); } if (iDIPO) { //=================== DIPO parameters ============================ AliDIPO *DIPO = new AliDIPOv2("DIPO", "Dipole version 2"); } if (iHALL) { //=================== HALL parameters ============================ AliHALL *HALL = new AliHALL("HALL", "Alice Hall"); } if (iFRAME) { //=================== FRAME parameters ============================ AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame"); if (geo == kHoles) { FRAME->SetHoles(1); } else { FRAME->SetHoles(0); } } if (iSHIL) { //=================== SHIL parameters ============================ AliSHIL *SHIL = new AliSHILv0("SHIL", "Shielding"); } if (iPIPE) { //=================== PIPE parameters ============================ AliPIPE *PIPE = new AliPIPEv0("PIPE", "Beam Pipe"); } if(iITS) { //=================== ITS parameters ============================ // // As the innermost detector in ALICE, the Inner Tracking System "impacts" on // almost all other detectors. This involves the fact that the ITS geometry // still has several options to be followed in parallel in order to determine // the best set-up which minimizes the induced background. All the geometries // available to date are described in the following. Read carefully the comments // and use the default version (the only one uncommented) unless you are making // comparisons and you know what you are doing. In this case just uncomment the // ITS geometry you want to use and run Aliroot. // // Detailed geometries: // // //AliITS *ITS = new AliITSv5symm("ITS","Updated ITS TDR detailed version with symmetric services"); // //AliITS *ITS = new AliITSv5asymm("ITS","Updates ITS TDR detailed version with asymmetric services"); // AliITSvPPRasymm *ITS = new AliITSvPPRasymm("ITS","New ITS PPR detailed version with asymmetric services"); ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer ITS->SetReadDet(kFALSE); // don't touch this parameter if you're not an ITS developer // ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRasymm2.det"); // don't touch this parameter if you're not an ITS developer ITS->SetThicknessDet1(200.); // detector thickness on layer 1 must be in the range [100,300] ITS->SetThicknessDet2(200.); // detector thickness on layer 2 must be in the range [100,300] ITS->SetThicknessChip1(200.); // chip thickness on layer 1 must be in the range [150,300] ITS->SetThicknessChip2(200.); // chip thickness on layer 2 must be in the range [150,300] ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon // //AliITSvPPRsymm *ITS = new AliITSvPPRsymm("ITS","New ITS PPR detailed version with symmetric services"); //ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer //ITS->SetReadDet(kFALSE); // don't touch this parameter if you're not an ITS developer //ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRsymm2.det"); // don't touch this parameter if you're not an ITS developer //ITS->SetThicknessDet1(200.); // detector thickness on layer 1 must be in the range [100,300] //ITS->SetThicknessDet2(200.); // detector thickness on layer 2 must be in the range [100,300] //ITS->SetThicknessChip1(200.); // chip thickness on layer 1 must be in the range [150,300] //ITS->SetThicknessChip2(200.); // chip thickness on layer 2 must be in the range [150,300] //ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out //ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon // // // Coarse geometries (warning: no hits are produced with these coarse geometries and they unuseful // for reconstruction !): // // //AliITSvPPRcoarseasymm *ITS = new AliITSvPPRcoarseasymm("ITS","New ITS PPR coarse version with asymmetric services"); //ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon // //AliITS *ITS = new AliITSvPPRcoarsesymm("ITS","New ITS PPR coarse version with symmetric services"); //ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon // // // // Geant3 <-> EUCLID conversion // ============================ // // SetEUCLID is a flag to output (=1) or not to output (=0) both geometry and // media to two ASCII files (called by default ITSgeometry.euc and // ITSgeometry.tme) in a format understandable to the CAD system EUCLID. // The default (=0) means that you dont want to use this facility. // ITS->SetEUCLID(0); if (!enableITS) ITS->DisableStepManager(); } if (iTPC) { //============================ TPC parameters ================================ // --- This allows the user to specify sectors for the SLOW (TPC geometry 2) // --- Simulator. SecAL (SecAU) <0 means that ALL lower (upper) // --- sectors are specified, any value other than that requires at least one // --- sector (lower or upper)to be specified! // --- Reminder: sectors 1-24 are lower sectors (1-12 -> z>0, 13-24 -> z<0) // --- sectors 25-72 are the upper ones (25-48 -> z>0, 49-72 -> z<0) // --- SecLows - number of lower sectors specified (up to 6) // --- SecUps - number of upper sectors specified (up to 12) // --- Sens - sensitive strips for the Slow Simulator !!! // --- This does NOT work if all S or L-sectors are specified, i.e. // --- if SecAL or SecAU < 0 // // //----------------------------------------------------------------------------- // gROOT->LoadMacro("SetTPCParam.C"); // AliTPCParam *param = SetTPCParam(); AliTPC *TPC = new AliTPCv2("TPC", "Default"); // All sectors included TPC->SetSecAL(-1); TPC->SetSecAU(-1); if (!enableTPC) TPC->DisableStepManager(); } if (iRICH) { //=================== RICH parameters =========================== AliRICH *RICH = new AliRICHv1("RICH", "normal RICH"); if (!enableRICH) RICH->DisableStepManager(); } if (iZDC) { //=================== ZDC parameters ============================ AliZDC *ZDC = new AliZDCv2("ZDC", "normal ZDC"); if (!enableZDC) ZDC->DisableStepManager(); } if (iCASTOR) { //=================== CASTOR parameters ============================ AliCASTOR *CASTOR = new AliCASTORv1("CASTOR", "normal CASTOR"); if (!enableCASTOR) CASTOR->DisableStepManager(); } if (iTRD) { //=================== TRD parameters ============================ AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator"); // Select the gas mixture (0: 97% Xe + 3% isobutane, 1: 90% Xe + 10% CO2) TRD->SetGasMix(1); if (geo == kHoles) { // With hole in front of PHOS TRD->SetPHOShole(); // With hole in front of RICH TRD->SetRICHhole(); } // Switch on TR AliTRDsim *TRDsim = TRD->CreateTR(); if (!enableTRD) TRD->DisableStepManager(); } if (iFMD) { //=================== FMD parameters ============================ AliFMD *FMD = new AliFMDv1("FMD", "normal FMD"); FMD->SetRingsSi1(256); FMD->SetRingsSi2(64); FMD->SetSectorsSi1(20); FMD->SetSectorsSi2(24); if (!enableFMD) FMD->DisableStepManager(); } if (iMUON) { //=================== MUON parameters =========================== AliMUON *MUON = new AliMUONv1("MUON", "default"); if (!enableMUON) MUON->DisableStepManager(); } //=================== PHOS parameters =========================== if (iPHOS) { AliPHOS *PHOS = new AliPHOSv1("PHOS", "IHEP"); if (!enablePHOS) PHOS->DisableStepManager(); } if (iPMD) { //=================== PMD parameters ============================ AliPMD *PMD = new AliPMDv1("PMD", "normal PMD"); PMD->SetPAR(1., 1., 0.8, 0.02); PMD->SetIN(6., 18., -580., 27., 27.); PMD->SetGEO(0.0, 0.2, 4.); PMD->SetPadSize(0.8, 1.0, 1.0, 1.5); if (!enablePMD) PMD->DisableStepManager(); } if (iTOF) { if (geo == kHoles) { //=================== TOF parameters ============================ AliTOF *TOF = new AliTOFv2FHoles("TOF", "TOF with Holes"); } else { AliTOF *TOF = new AliTOFv4("TOF", "normal TOF"); } if (!enableTOF) TOF->DisableStepManager(); } if (iSTART) { //=================== START parameters ============================ AliSTART *START = new AliSTARTv1("START", "START Detector"); if (!enableSTART) START->DisableStepManager(); } if (iEMCAL && !iRICH) { //=================== EMCAL parameters ============================ AliEMCAL *EMCAL = new AliEMCALv1("EMCAL", "EMCALArch1b"); if (!enableEMCAL) EMCAL->DisableStepManager(); } } Float_t EtaToTheta(Float_t arg){ return (180./TMath::Pi())*2.*atan(exp(-arg)); } AliGenerator* GeneratorFactory(PprRun_t run) { Int_t isw = 3; if (rad == kNoGluonRadiation) isw = 0; switch (run) { case kGammaGun: gener = new AliGenFixed(1); gener->SetMomentum(100.); gener->SetPhi(240.); gener->SetTheta(91.); gener->SetPart(kGamma); break; case kGammaBox: gener = new AliGenBox(100); gener->SetMomentumRange(100., 100.1); gener->SetPhiRange(0,360); gener->SetThetaRange(45., 135.); gener->SetPart(kGamma); break; case kTest50: //coment= comment.Append(":HIJINGparam test 50 particles"); gener = new AliGenHIJINGparaBa(50); gener->SetMomentumRange(0, 999999.); gener->SetPhiRange(-180., 180.); // Set pseudorapidity range from -8 to 8. Float_t thmin = EtaToTheta(8); // theta min. <---> eta max Float_t thmax = EtaToTheta(-8); // theta max. <---> eta min gener->SetThetaRange(thmin,thmax); break; case kParam_8000: //coment= comment.Append(":HIJINGparam N=8000"); AliGenHIJINGpara *gener = new AliGenHIJINGpara(86030); gener->SetMomentumRange(0, 999999.); gener->SetPhiRange(-180., 180.); // Set pseudorapidity range from -8 to 8. Float_t thmin = EtaToTheta(8); // theta min. <---> eta max Float_t thmax = EtaToTheta(-8); // theta max. <---> eta min gener->SetThetaRange(thmin,thmax); break; case kParam_4000: //coment= comment.Append("HIJINGparam N=4000"); AliGenHIJINGpara *gener = new AliGenHIJINGpara(43015); gener->SetMomentumRange(0, 999999.); gener->SetPhiRange(-180., 180.); // Set pseudorapidity range from -8 to 8. Float_t thmin = EtaToTheta(8); // theta min. <---> eta max Float_t thmax = EtaToTheta(-8); // theta max. <---> eta min gener->SetThetaRange(thmin,thmax); break; case kParam_2000: //coment= comment.Append("HIJINGparam N=2000"); AliGenHIJINGpara *gener = new AliGenHIJINGpara(21507); gener->SetMomentumRange(0, 999999.); gener->SetPhiRange(-180., 180.); // Set pseudorapidity range from -8 to 8. Float_t thmin = EtaToTheta(8); // theta min. <---> eta max Float_t thmax = EtaToTheta(-8); // theta max. <---> eta min gener->SetThetaRange(thmin,thmax); break; case kParam_8000_Ecal: //coment= comment.Append(":HIJINGparam N=8000 baryons"); AliGenHIJINGparaBa *gener = new AliGenHIJINGparaBa(82534); gener->SetMomentumRange(0, 999999.); gener->SetPhiRange(-180., 180.); // Set pseudorapidity range from -8 to 8. Float_t thmin = EtaToTheta( 5); // theta min. <---> eta max Float_t thmax = EtaToTheta(-5); // theta max. <---> eta min gener->SetThetaRange(thmin,thmax); break; case kParam_4000_Ecal: //coment= comment.Append(":HIJINGparam N=8000 baryons"); AliGenHIJINGparaBa *gener = new AliGenHIJINGparaBa(82534/2.); gener->SetMomentumRange(0, 999999.); gener->SetPhiRange(-180., 180.); // Set pseudorapidity range from -8 to 8. Float_t thmin = EtaToTheta( 5); // theta min. <---> eta max Float_t thmax = EtaToTheta(-5); // theta max. <---> eta min gener->SetThetaRange(thmin,thmax); break; // // Hijing Central // case kHijing_cent1: //coment= comment.Append("HIJING cent1"); AliGenHijing *gener = HijingStandard(); // impact parameter range gener->SetImpactParameterRange(0., 5.); break; case kHijing_cent2: //coment= comment.Append("HIJING cent2"); AliGenHijing *gener = HijingStandard(); // impact parameter range gener->SetImpactParameterRange(0., 2.); break; // // Hijing Peripheral // case kHijing_per1: //coment= comment.Append("HIJING per1"); AliGenHijing *gener = HijingStandard(); // impact parameter range gener->SetImpactParameterRange(5., 8.6); break; case kHijing_per2: //coment= comment.Append("HIJING per2"); AliGenHijing *gener = HijingStandard(); // impact parameter range gener->SetImpactParameterRange(8.6, 11.2); break; case kHijing_per3: //coment= comment.Append("HIJING per3"); AliGenHijing *gener = HijingStandard(); // impact parameter range gener->SetImpactParameterRange(11.2, 13.2); break; case kHijing_per4: //coment= comment.Append("HIJING per4"); AliGenHijing *gener = HijingStandard(); // impact parameter range gener->SetImpactParameterRange(13.2, 15.); break; case kHijing_per5: //coment= comment.Append("HIJING per5"); AliGenHijing *gener = HijingStandard(); // impact parameter range gener->SetImpactParameterRange(15., 100.); break; // // Jet-Jet // case kHijing_jj25: //coment= comment.Append("HIJING Jet 25 GeV"); AliGenHijing *gener = HijingStandard(); // impact parameter range gener->SetImpactParameterRange(0., 5.); // trigger gener->SetTrigger(1); gener->SetPtJet(25.); gener->SetSimpleJets(simpleJet); gener->SetRadiation(isw); gener->SetJetEtaRange(-0.3,0.3); gener->SetJetPhiRange(15.,105.); break; case kHijing_jj50: //coment= comment.Append("HIJING Jet 50 GeV"); AliGenHijing *gener = HijingStandard(); // impact parameter range gener->SetImpactParameterRange(0., 5.); // trigger gener->SetTrigger(1); gener->SetPtJet(50.); gener->SetSimpleJets(simpleJet); gener->SetRadiation(isw); gener->SetJetEtaRange(-0.3,0.3); gener->SetJetPhiRange(15.,105.); break; case kHijing_jj75: //coment= comment.Append("HIJING Jet 75 GeV"); AliGenHijing *gener = HijingStandard(); // impact parameter range gener->SetImpactParameterRange(0., 5.); // trigger gener->SetTrigger(1); gener->SetPtJet(75.); gener->SetSimpleJets(simpleJet); gener->SetRadiation(isw); gener->SetJetEtaRange(-0.3,0.3); gener->SetJetPhiRange(15.,105.); break; case kHijing_jj100: //coment= comment.Append("HIJING Jet 100 GeV"); AliGenHijing *gener = HijingStandard(); // impact parameter range gener->SetImpactParameterRange(0., 5.); // trigger gener->SetTrigger(1); gener->SetPtJet(100.); gener->SetSimpleJets(simpleJet); gener->SetRadiation(isw); gener->SetJetEtaRange(-0.3,0.3); gener->SetJetPhiRange(15.,105.); break; case kHijing_jj125: //coment= comment.Append("HIJING Jet 125 GeV"); AliGenHijing *gener = HijingStandard(); // impact parameter range gener->SetImpactParameterRange(0., 5.); // trigger gener->SetTrigger(1); gener->SetPtJet(125.); gener->SetSimpleJets(simpleJet); gener->SetRadiation(isw); gener->SetJetEtaRange(-0.3,0.3); gener->SetJetPhiRange(15.,105.); break; // // Gamma-Jet // case kHijing_gj25: //coment= comment.Append("HIJING Gamma 25 GeV"); AliGenHijing *gener = HijingStandard(); // impact parameter range gener->SetImpactParameterRange(0., 5.); // trigger gener->SetTrigger(2); gener->SetPtJet(25.); gener->SetSimpleJets(simpleJet); gener->SetRadiation(isw); gener->SetJetEtaRange(-0.3,0.3); gener->SetJetPhiRange(15.,105.); break; case kHijing_gj50: //coment= comment.Append("HIJING Gamma 50 GeV"); AliGenHijing *gener = HijingStandard(); // impact parameter range gener->SetImpactParameterRange(0., 5.); // trigger gener->SetTrigger(2); gener->SetPtJet(50.); gener->SetSimpleJets(simpleJet); gener->SetRadiation(isw); gener->SetJetEtaRange(-0.3,0.3); gener->SetJetPhiRange(15.,105.); break; case kHijing_gj75: //coment= comment.Append("HIJING Gamma 75 GeV"); AliGenHijing *gener = HijingStandard(); // impact parameter range gener->SetImpactParameterRange(0., 5.); // trigger gener->SetTrigger(2); gener->SetPtJet(75.); gener->SetSimpleJets(simpleJet); gener->SetRadiation(isw); gener->SetJetEtaRange(-0.3,0.3); gener->SetJetPhiRange(15.,105.); break; case kHijing_gj100: //coment= comment.Append("HIJING Gamma 100 GeV"); AliGenHijing *gener = HijingStandard(); // impact parameter range gener->SetImpactParameterRange(0., 5.); // trigger gener->SetTrigger(2); gener->SetPtJet(100.); gener->SetSimpleJets(simpleJet); gener->SetRadiation(isw); gener->SetJetEtaRange(-0.3,0.3); gener->SetJetPhiRange(15.,105.); break; case kHijing_gj125: //coment= comment.Append("HIJING Gamma 125 GeV"); AliGenHijing *gener = HijingStandard(); // impact parameter range gener->SetImpactParameterRange(0., 5.); // trigger gener->SetTrigger(2); gener->SetPtJet(125.); gener->SetSimpleJets(simpleJet); gener->SetRadiation(isw); gener->SetJetEtaRange(-0.3,0.3); gener->SetJetPhiRange(15.,105.); break; case kJetPlusBg: AliGenCocktail *gener = new AliGenCocktail(); gener->SetMomentumRange(0, 999999.); gener->SetPhiRange(-180., 180.); // Set pseudorapidity range from -8 to 8. Float_t thmin = EtaToTheta( 5.); // theta min. <---> eta max Float_t thmax = EtaToTheta(-5.); // theta max. <---> eta min gener->SetThetaRange(thmin,thmax); // // Underlying Event // // AliGenHIJINGparaBa *bg = new AliGenHIJINGparaBa(82534); AliGenHIJINGparaBa *bg = new AliGenHIJINGparaBa(10); // // Jets from Pythia // AliGenPythia *jets = new AliGenPythia(-1); // Centre of mass energy jets->SetEnergyCMS(5500.); // Process type jets->SetProcess(kPyJets); // final state kinematic cuts jets->SetJetEtaRange(-0.3, 0.3); jets->SetJetPhiRange(15., 105.); // Structure function jets->SetStrucFunc(kGRV_LO_98); // // Pt transfer of the hard scattering jets->SetPtHard(100.,100.1); // Decay type (semielectronic, semimuonic, nodecay) jets->SetForceDecay(kAll); // // Add all to cockail ... // gener->AddGenerator(jets,"Jets",1); gener->AddGenerator(bg,"Underlying Event", 1); break; case kGammaPlusBg: AliGenCocktail *gener = new AliGenCocktail(); gener->SetMomentumRange(0, 999999.); gener->SetPhiRange(-180., 180.); // Set pseudorapidity range from -8 to 8. Float_t thmin = EtaToTheta( 5.); // theta min. <---> eta max Float_t thmax = EtaToTheta(-5.); // theta max. <---> eta min gener->SetThetaRange(thmin,thmax); // // Underlying Event // AliGenHIJINGparaBa *bg = new AliGenHIJINGparaBa(82534); // // Jets from Pythia // AliGenPythia *jets = new AliGenPythia(-1); // Centre of mass energy jets->SetEnergyCMS(5500.); // Process type jets->SetProcess(kPyDirectGamma); // final state kinematic cuts jets->SetJetEtaRange(-0.3, 0.3); jets->SetJetPhiRange(15., 105.); jets->SetGammaEtaRange(-0.12, 0.12); jets->SetGammaPhiRange(220., 320.); // Structure function jets->SetStrucFunc(kGRV_LO_98); // // Pt transfer of the hard scattering jets->SetPtHard(100.,100.1); // Decay type (semielectronic, semimuonic, nodecay) jets->SetForceDecay(kAll); // // Add all to cockail ... // gener->AddGenerator(jets,"Jets",1); gener->AddGenerator(bg,"Underlying Event", 1); break; case kJets_50: // 50 GeV Jets AliGenPythia *gener = PythiaJets(50.); break; case kJets_75: // 75 GeV Jets AliGenPythia *gener = PythiaJets(75.); break; case kJets_100: // 100 GeV Jets AliGenPythia *gener = PythiaJets(100.); break; case kJets_200: // 200 GeV Jets AliGenPythia *gener = PythiaJets(200.); break; case kGammaJets_50: // 50 GeV Jets + Gamma AliGenPythia *gener = PythiaJets(-1); gener->SetEnergyCMS(5500.); gener->SetProcess(kPyDirectGamma); gener->SetJetEtaRange(-0.3,+0.3); gener->SetJetPhiRange(15.,105.); gener->SetGammaEtaRange(-0.12, 0.12); gener->SetGammaPhiRange(220., 320.); gener->SetStrucFunc(kGRV_LO_98); gener->SetPtHard(50.,50.001); gener->SetForceDecay(kAll); break; case kGammaJets_75: // 75 GeV Jets + Gamma AliGenPythia *gener = PythiaJets(-1); gener->SetEnergyCMS(5500.); gener->SetProcess(kPyDirectGamma); gener->SetJetEtaRange(-0.3,+0.3); gener->SetJetPhiRange(15.,105.); gener->SetGammaEtaRange(-0.12, 0.12); gener->SetGammaPhiRange(220., 320.); gener->SetStrucFunc(kGRV_LO_98); gener->SetPtHard(75.,75.001); gener->SetForceDecay(kAll); break; case kGammaJets_100: // 100 GeV Jets + Gamma AliGenPythia *gener = PythiaJets(-1); gener->SetEnergyCMS(5500.); gener->SetProcess(kPyDirectGamma); gener->SetJetEtaRange(-0.3,+0.3); gener->SetJetPhiRange(15.,105.); gener->SetGammaEtaRange(-0.12, 0.12); gener->SetGammaPhiRange(220., 320.); gener->SetStrucFunc(kGRV_LO_98); gener->SetPtHard(100.,100.001); gener->SetForceDecay(kAll); break; case kGammaJets_200: // 200 GeV Jets + Gamma AliGenPythia *gener = PythiaJets(-1); gener->SetEnergyCMS(5500.); gener->SetProcess(kPyDirectGamma); gener->SetJetEtaRange(-0.3,+0.3); gener->SetJetPhiRange(15.,105.); gener->SetGammaEtaRange(-0.12, 0.12); gener->SetGammaPhiRange(220., 320.); gener->SetStrucFunc(kGRV_LO_98); gener->SetPtHard(200.,200.001); gener->SetForceDecay(kAll); break; case kGammaJets_250: // 250 GeV Jets + Gamma AliGenPythia *gener = PythiaJets(-1); gener->SetEnergyCMS(5500.); gener->SetProcess(kPyDirectGamma); gener->SetJetEtaRange(-0.3,+0.3); gener->SetJetPhiRange(15.,105.); gener->SetGammaEtaRange(-0.12, 0.12); gener->SetGammaPhiRange(220., 320.); gener->SetStrucFunc(kGRV_LO_98); gener->SetPtHard(250.,250.001); gener->SetForceDecay(kAll); break; case kGammaJets_300: // 300 GeV Jets + Gamma AliGenPythia *gener = PythiaJets(-1); gener->SetEnergyCMS(5500.); gener->SetProcess(kPyDirectGamma); gener->SetJetEtaRange(-0.3,+0.3); gener->SetJetPhiRange(15.,105.); gener->SetGammaEtaRange(-0.12, 0.12); gener->SetGammaPhiRange(220., 320.); gener->SetStrucFunc(kGRV_LO_98); gener->SetPtHard(300.,300.001); gener->SetForceDecay(kAll); break; } return gener; } AliGenHijing* HijingStandard() { AliGenHijing *gener = new AliGenHijing(-1); // centre of mass energy gener->SetEnergyCMS(5500.); // reference frame gener->SetReferenceFrame("CMS"); // projectile gener->SetProjectile("A", 208, 82); gener->SetTarget ("A", 208, 82); // tell hijing to keep the full parent child chain gener->KeepFullEvent(); // enable jet quenching gener->SetJetQuenching(1); // enable shadowing gener->SetShadowing(1); // neutral pion and heavy particle decays switched off gener->SetDecaysOff(1); // Don't track spectators gener->SetSpectators(0); // kinematic selection gener->SetSelectAll(0); return gener; } AliGenPythia* PythiaJets(Float_t energy) { AliGenPythia *gener = new AliGenPythia(-1); // Centre of mass energy gener->SetEnergyCMS(5500.); // Process type gener->SetProcess(kPyJets); // final state kinematic cuts gener->SetJetEtaRange(-0.3, 0.3); gener->SetJetPhiRange(15., 105.); // Structure function gener->SetStrucFunc(kGRV_LO_98); // // Pt transfer of the hard scattering gener->SetPtHard(energy, energy+0.1); // Decay type (semielectronic, semimuonic, nodecay) gener->SetForceDecay(kAll); // return gener; } AliGenPythia* PythiaGamma(Float_t energy) { AliGenPythia *gener = new AliGenPythia(-1); // Centre of mass energy gener->SetEnergyCMS(5500.); // Process type gener->SetProcess(kPyDirectGamma); // final state kinematic cuts gener->SetJetEtaRange(-0.3, 0.3); gener->SetJetPhiRange(15., 105.); gener->SetGammaEtaRange(-0.12, 0.12); gener->SetGammaPhiRange(220., 320.); // Structure function gener->SetStrucFunc(kGRV_LO_98); // // Pt transfer of the hard scattering gener->SetPtHard(energy, energy+0.1); // Decay type (semielectronic, semimuonic, nodecay) gener->SetForceDecay(kAll); // return gener; }