enum PprRun_t { test50, kPythia, 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 }; enum PprGeo_t { kHoles, kNoHoles }; enum PprRad_t { kGluonRadiation, kNoGluonRadiation }; // This part for configuration static PprRun_t run = kPythia; static PprGeo_t geo = kNoHoles; static PprRad_t rad = kGluonRadiation; // 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); /* // TEMPORARY TO BE ELIMINATED WHEN RUNNING WITH ALIEN TDatime dt; UInt_t curtime=dt.Get(); UInt_t procid=gSystem->GetPid(); UInt_t seed=curtime-procid; gRandom->SetSeed(seed); cerr<<"Seed for random number generation= "<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->SetSWIT(2,2); 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); // //======================================================================= // ************* 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->SetOrigin(0, 0, 0); // vertex position gener->SetSigma(0, 0, 5.3); // Sigma in (X,Y,Z) (cm) on IP position gener->SetCutVertexZ(1.); // Truncate at 1 sigma gener->SetVertexSmear(kPerEvent); gener->SetTrackingFlag(1); gener->Init(); if (rad == kGluonRadiation) { comment = comment.Append(" | Gluon Radiation On"); } else { comment = comment.Append(" | Gluon Radiation Off"); } if (geo == kHoles) { comment = comment.Append(" | Holes for PHOS/RICH"); } else { comment = 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 iABSO = 1; Int_t iCASTOR = 1; Int_t iDIPO = 1; Int_t iFMD = 1; Int_t iFRAME = 1; Int_t iHALL = 1; Int_t iITS = 1; Int_t iMAG = 1; Int_t iMUON = 1; Int_t iPHOS = 1; Int_t iPIPE = 1; Int_t iPMD = 1; Int_t iRICH = 1; Int_t iSHIL = 1; Int_t iSTART = 1; Int_t iTOF = 1; Int_t iTPC = 1; Int_t iTRD = 1; Int_t iZDC = 1; Int_t iEMCAL = 0; //=================== 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 (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 (iTOF) { if (geo == kHoles) { //=================== TOF parameters ============================ AliTOF *TOF = new AliTOFv2FHoles("TOF", "TOF with Holes"); } else { AliTOF *TOF = new AliTOFv4("TOF", "normal TOF"); } } if (iRICH) { //=================== RICH parameters =========================== AliRICH *RICH = new AliRICHv1("RICH", "normal RICH"); } if (iZDC) { //=================== ZDC parameters ============================ AliZDC *ZDC = new AliZDCv2("ZDC", "normal ZDC"); } if (iCASTOR) { //=================== CASTOR parameters ============================ AliCASTOR *CASTOR = new AliCASTORv1("CASTOR", "normal CASTOR"); } 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 (iFMD) { //=================== FMD parameters ============================ AliFMD *FMD = new AliFMDv1("FMD", "normal FMD"); FMD->SetRingsSi1(256); FMD->SetRingsSi2(64); FMD->SetSectorsSi1(20); FMD->SetSectorsSi2(24); } if (iMUON) { //=================== MUON parameters =========================== AliMUON *MUON = new AliMUONv1("MUON", "default"); } //=================== PHOS parameters =========================== if (iPHOS) { AliPHOS *PHOS = new AliPHOSv1("PHOS", "IHEP"); } 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 (iEMCAL!=0 && iRICH==0) { //=================== START parameters ============================ AliEMCAL *EMCAL = new AliEMCALv1("EMCAL", "EMCALArch1a"); } if (iSTART) { //=================== START parameters ============================ AliSTART *START = new AliSTARTv1("START", "START Detector"); } } 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 test50: comment = comment.Append(":HIJINGparam test 50 particles"); AliGenHIJINGpara *gener = new AliGenHIJINGpara(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 kPythia: comment = comment.Append(":Pythia p-p @ 14 TeV"); AliGenPythia *gener = new AliGenPythia(-1); gener->SetMomentumRange(0,999999); gener->SetPhiRange(-180,180); gener->SetThetaRange(0., 180.); gener->SetYRange(-12,12); gener->SetPtRange(0,1000); gener->SetStrucFunc(kCTEQ_4L); gener->SetProcess(kPyMb); gener->SetEnergyCMS(14000.); break; case kParam_8000: comment = 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: comment = 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: comment = 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; // // Hijing Central // case kHijing_cent1: comment = comment.Append("HIJING cent1"); AliGenHijing *gener = HijingStandard(); // impact parameter range gener->SetImpactParameterRange(0., 5.); break; case kHijing_cent2: comment = comment.Append("HIJING cent2"); AliGenHijing *gener = HijingStandard(); // impact parameter range gener->SetImpactParameterRange(0., 2.); break; // // Hijing Peripheral // case kHijing_per1: comment = comment.Append("HIJING per1"); AliGenHijing *gener = HijingStandard(); // impact parameter range gener->SetImpactParameterRange(5., 8.6); break; case kHijing_per2: comment = comment.Append("HIJING per2"); AliGenHijing *gener = HijingStandard(); // impact parameter range gener->SetImpactParameterRange(8.6, 11.2); break; case kHijing_per3: comment = comment.Append("HIJING per3"); AliGenHijing *gener = HijingStandard(); // impact parameter range gener->SetImpactParameterRange(11.2, 13.2); break; case kHijing_per4: comment = comment.Append("HIJING per4"); AliGenHijing *gener = HijingStandard(); // impact parameter range gener->SetImpactParameterRange(13.2, 15.); break; case kHijing_per5: comment = comment.Append("HIJING per5"); AliGenHijing *gener = HijingStandard(); // impact parameter range gener->SetImpactParameterRange(15., 100.); break; // // Jet-Jet // case kHijing_jj25: comment = comment.Append("HIJING Jet 25 GeV"); AliGenHijing *gener = HijingStandard(); // impact parameter range gener->SetImpactParameterRange(0., 5.); // trigger gener->SetTrigger(1); gener->SetPtMinJet(25.); gener->SetRadiation(isw); break; case kHijing_jj50: comment = comment.Append("HIJING Jet 50 GeV"); AliGenHijing *gener = HijingStandard(); // impact parameter range gener->SetImpactParameterRange(0., 5.); // trigger gener->SetTrigger(1); gener->SetPtMinJet(50.); gener->SetRadiation(isw); break; case kHijing_jj75: comment = comment.Append("HIJING Jet 75 GeV"); AliGenHijing *gener = HijingStandard(); // impact parameter range gener->SetImpactParameterRange(0., 5.); // trigger gener->SetTrigger(1); gener->SetPtMinJet(75.); gener->SetRadiation(isw); break; case kHijing_jj100: comment = comment.Append("HIJING Jet 100 GeV"); AliGenHijing *gener = HijingStandard(); // impact parameter range gener->SetImpactParameterRange(0., 5.); // trigger gener->SetTrigger(1); gener->SetPtMinJet(100.); gener->SetRadiation(isw); break; case kHijing_jj125: comment = comment.Append("HIJING Jet 125 GeV"); AliGenHijing *gener = HijingStandard(); // impact parameter range gener->SetImpactParameterRange(0., 5.); // trigger gener->SetTrigger(1); gener->SetPtMinJet(125.); gener->SetRadiation(isw); break; // // Gamma-Jet // case kHijing_gj25: comment = comment.Append("HIJING Gamma 25 GeV"); AliGenHijing *gener = HijingStandard(); // impact parameter range gener->SetImpactParameterRange(0., 5.); // trigger gener->SetTrigger(2); gener->SetPtMinJet(25.); gener->SetRadiation(isw); break; case kHijing_gj50: comment = comment.Append("HIJING Gamma 50 GeV"); AliGenHijing *gener = HijingStandard(); // impact parameter range gener->SetImpactParameterRange(0., 5.); // trigger gener->SetTrigger(2); gener->SetPtMinJet(50.); gener->SetRadiation(isw); break; case kHijing_gj75: comment = comment.Append("HIJING Gamma 75 GeV"); AliGenHijing *gener = HijingStandard(); // impact parameter range gener->SetImpactParameterRange(0., 5.); // trigger gener->SetTrigger(2); gener->SetPtMinJet(75.); gener->SetRadiation(isw); break; case kHijing_gj100: comment = comment.Append("HIJING Gamma 100 GeV"); AliGenHijing *gener = HijingStandard(); // impact parameter range gener->SetImpactParameterRange(0., 5.); // trigger gener->SetTrigger(2); gener->SetPtMinJet(100.); gener->SetRadiation(isw); break; case kHijing_gj125: comment = comment.Append("HIJING Gamma 125 GeV"); AliGenHijing *gener = HijingStandard(); // impact parameter range gener->SetImpactParameterRange(0., 5.); // trigger gener->SetTrigger(2); gener->SetPtMinJet(125.); gener->SetRadiation(isw); 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; }