// // Configuration for the Physics Data Challenge 2006 modified to generate // e,mu,pi,K,p for PID studies of the TRD. // Per event, AliGenBox is used to generate 100 particles per species // (50 positive and 50 negative ones). Barrel detectors only. // s.masciocchi@gsi.de // // One can use the configuration macro in compiled mode by // root [0] gSystem->Load("libgeant321"); // root [0] gSystem->SetIncludePath("-I$ROOTSYS/include -I$ALICE_ROOT/include\ // -I$ALICE_ROOT -I$ALICE/geant3/TGeant3"); // root [0] .x grun.C(1,"Config_PDC06.C++") #if !defined(__CINT__) || defined(__MAKECINT__) #include #include #include #include #include #include #include #include "EVGEN/AliGenCocktail.h" #include "EVGEN/AliGenParam.h" #include "EVGEN/AliGenMUONlib.h" #include "STEER/AliRunLoader.h" #include "STEER/AliRun.h" #include "STEER/AliConfig.h" #include "PYTHIA6/AliDecayerPythia.h" #include "PYTHIA6/AliGenPythia.h" #include "STEER/AliMagF.h" #include "STRUCT/AliBODY.h" #include "STRUCT/AliMAG.h" #include "STRUCT/AliABSOv0.h" #include "STRUCT/AliDIPOv2.h" #include "STRUCT/AliHALL.h" #include "STRUCT/AliFRAMEv2.h" #include "STRUCT/AliSHILv2.h" #include "STRUCT/AliPIPEv0.h" #include "ITS/AliITSgeom.h" #include "ITS/AliITSvPPRasymmFMD.h" #include "TPC/AliTPCv2.h" #include "TOF/AliTOFv5T0.h" #include "HMPID/AliHMPIDv1.h" #include "ZDC/AliZDCv2.h" #include "TRD/AliTRDv1.h" #include "FMD/AliFMDv1.h" #include "MUON/AliMUONv1.h" #include "PHOS/AliPHOSv1.h" #include "PMD/AliPMDv1.h" #include "T0/AliT0v1.h" #include "EMCAL/AliEMCALv2.h" #include "ACORDE/AliACORDEv1.h" #include "VZERO/AliVZEROv6.h" #endif enum PDC06Proc_t { //--- Heavy Flavour Production --- kCharmPbPb5500, kCharmpPb8800, kCharmpp14000, kCharmpp14000wmi, kD0PbPb5500, kD0pPb8800, kD0pp14000, kDPlusPbPb5500, kDPluspPb8800, kDPluspp14000, kBeautyPbPb5500, kBeautypPb8800, kBeautypp14000, kBeautypp14000wmi, // -- Pythia Mb kPyMbNoHvq, kPyOmegaPlus, kPyOmegaMinus, kRunMax }; const char * pprRunName[] = { "kCharmPbPb5500", "kCharmpPb8800", "kCharmpp14000", "kCharmpp14000wmi", "kD0PbPb5500", "kD0pPb8800", "kD0pp14000", "kDPlusPbPb5500", "kDPluspPb8800", "kDPluspp14000", "kBeautyPbPb5500", "kBeautypPb8800", "kBeautypp14000", "kBeautypp14000wmi", "kPyMbNoHvq", "kPyOmegaPlus", "kPyOmegaMinus" }; //--- Decay Mode --- enum DecayHvFl_t { kNature, kHadr, kSemiEl, kSemiMu }; //--- Rapidity Cut --- enum YCut_t { kFull, kBarrel, kMuonArm }; //--- Functions --- AliGenPythia *PythiaHVQ(PDC06Proc_t proc); AliGenerator *MbCocktail(); AliGenerator *PyMbTriggered(Int_t pdg); void ProcessEnvironmentVars(); Float_t EtaToTheta(Float_t arg){ return (180./TMath::Pi())*2.*atan(exp(-arg)); } // This part for configuration static DecayHvFl_t decHvFl = kNature; static YCut_t ycut = kBarrel; static AliMagF::BMap_t mag = k5kG; //========================// // Set Random Number seed // //========================// TDatime dt; static UInt_t seed = dt.Get(); // nEvts = -1 : you get 1 QQbar pair and all the fragmentation and // decay chain // nEvts = N>0 : you get N charm / beauty Hadrons Int_t nEvts = -1; // stars = kTRUE : all heavy resonances and their decay stored // = kFALSE: only final heavy hadrons and their decays stored Bool_t stars = kTRUE; // To be used only with kCharmppMNRwmi and kBeautyppMNRwmi // To get a "reasonable" agreement with MNR results, events have to be // generated with the minimum ptHard set to 2.76 GeV. // To get a "perfect" agreement with MNR results, events have to be // generated in four ptHard bins with the following relative // normalizations: // CHARM // 2.76-3 GeV: 25% // 3-4 GeV: 40% // 4-8 GeV: 29% // >8 GeV: 6% // BEAUTY // 2.76-4 GeV: 5% // 4-6 GeV: 31% // 6-8 GeV: 28% // >8 GeV: 36% Float_t ptHardMin = 2.76; Float_t ptHardMax = -1.; // Comment line static TString comment; void Config() { // Get settings from environment variables ProcessEnvironmentVars(); gRandom->SetSeed(seed); cerr<<"Seed for random number generation= "<Load("libgeant321"); #endif new TGeant3TGeo("C++ Interface to Geant3"); //======================================================================= // Create the output file AliRunLoader* rl=0x0; cout<<"Config.C: Creating Run Loader ..."<Fatal("Config.C","Can not instatiate the Run Loader"); return; } rl->SetCompressionLevel(2); rl->SetNumberOfEventsPerFile(1000); gAlice->SetRunLoader(rl); // //======================================================================= // ************* 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 gMC->SetProcess("DCAY",1); gMC->SetProcess("PAIR",1); gMC->SetProcess("COMP",1); gMC->SetProcess("PHOT",1); gMC->SetProcess("PFIS",0); gMC->SetProcess("DRAY",0); gMC->SetProcess("ANNI",1); gMC->SetProcess("BREM",1); gMC->SetProcess("MUNU",1); gMC->SetProcess("CKOV",1); gMC->SetProcess("HADR",1); gMC->SetProcess("LOSS",2); gMC->SetProcess("MULS",1); gMC->SetProcess("RAYL",1); Float_t cut = 1.e-3; // 1MeV cut by default Float_t tofmax = 1.e10; gMC->SetCut("CUTGAM", cut); gMC->SetCut("CUTELE", cut); gMC->SetCut("CUTNEU", cut); gMC->SetCut("CUTHAD", cut); gMC->SetCut("CUTMUO", cut); gMC->SetCut("BCUTE", cut); gMC->SetCut("BCUTM", cut); gMC->SetCut("DCUTE", cut); gMC->SetCut("DCUTM", cut); gMC->SetCut("PPCUTM", cut); gMC->SetCut("TOFMAX", tofmax); // Set External decayer // //======================// TVirtualMCDecayer* decayer = new AliDecayerPythia(); // DECAYS // switch(decHvFl) { case kNature: decayer->SetForceDecay(kAll); break; case kHadr: decayer->SetForceDecay(kHadronicD); break; case kSemiEl: decayer->SetForceDecay(kSemiElectronic); break; case kSemiMu: decayer->SetForceDecay(kSemiMuonic); break; } decayer->Init(); gMC->SetExternalDecayer(decayer); //=========================// // Generator Configuration // //=========================// AliGenCocktail *gener = new AliGenCocktail(); Double_t momen = 0.6; Int_t Npart = 50; // Set pseudorapidity range from -1 to 1. Float_t thmin = EtaToTheta(1.); // theta min. <---> eta max Float_t thmax = EtaToTheta(-1.); // theta max. <---> eta min // electron generator AliGenBox *eminus= new AliGenBox(Npart); eminus->SetPart(kElectron); eminus->SetMomentumRange(momen,momen); eminus->SetPhiRange(0,360); eminus->SetThetaRange(thmin,thmax); eminus->SetOrigin(0., 0., 0.); // primary vertex position eminus->SetSigma(0.,0.,0.); // sigma (x,y,z) in cm, on position // positron generator AliGenBox *eplus= new AliGenBox(Npart); eplus->SetPart(kPositron); eplus->SetMomentumRange(momen,momen); eplus->SetPhiRange(0,360); eplus->SetThetaRange(thmin,thmax); eplus->SetOrigin(0., 0., 0.); // primary vertex position eplus->SetSigma(0.,0.,0.); // sigma (x,y,z) in cm, on position // mu- generator AliGenBox *muminus= new AliGenBox(Npart); muminus->SetPart(kMuonMinus); muminus->SetMomentumRange(momen,momen); muminus->SetPhiRange(0,360); muminus->SetThetaRange(thmin,thmax); muminus->SetOrigin(0., 0., 0.); // primary vertex position muminus->SetSigma(0.,0.,0.); // sigma (x,y,z) in cm, on position // mu+ generator AliGenBox *muplus= new AliGenBox(Npart); muplus->SetPart(kMuonPlus); muplus->SetMomentumRange(momen,momen); muplus->SetPhiRange(0,360); muplus->SetThetaRange(thmin,thmax); muplus->SetOrigin(0., 0., 0.); // primary vertex position muplus->SetSigma(0.,0.,0.); // sigma (x,y,z) in cm, on position // pi- generator AliGenBox *piminus= new AliGenBox(Npart); piminus->SetPart(kPiMinus); piminus->SetMomentumRange(momen,momen); piminus->SetPhiRange(0,360); piminus->SetThetaRange(thmin,thmax); piminus->SetOrigin(0., 0., 0.); // primary vertex position piminus->SetSigma(0.,0.,0.); // sigma (x,y,z) in cm, on position // pi+ generator AliGenBox *piplus= new AliGenBox(Npart); piplus->SetPart(kPiPlus); piplus->SetMomentumRange(momen,momen); piplus->SetPhiRange(0,360); piplus->SetThetaRange(thmin,thmax); piplus->SetOrigin(0., 0., 0.); // primary vertex position piplus->SetSigma(0.,0.,0.); // sigma (x,y,z) in cm, on position // K- generator AliGenBox *kminus= new AliGenBox(Npart); kminus->SetPart(kKMinus); kminus->SetMomentumRange(momen,momen); kminus->SetPhiRange(0,360); kminus->SetThetaRange(thmin,thmax); kminus->SetOrigin(0., 0., 0.); // primary vertex position kminus->SetSigma(0.,0.,0.); // sigma (x,y,z) in cm, on position // K+ generator AliGenBox *kplus= new AliGenBox(Npart); kplus->SetPart(kKPlus); kplus->SetMomentumRange(momen,momen); kplus->SetPhiRange(0,360); kplus->SetThetaRange(thmin,thmax); kplus->SetOrigin(0., 0., 0.); // primary vertex position kplus->SetSigma(0.,0.,0.); // sigma (x,y,z) in cm, on position // p generator AliGenBox *proton= new AliGenBox(Npart); proton->SetPart(kProton); proton->SetMomentumRange(momen,momen); proton->SetPhiRange(0,360); proton->SetThetaRange(thmin,thmax); proton->SetOrigin(0., 0., 0.); // primary vertex position proton->SetSigma(0.,0.,0.); // sigma (x,y,z) in cm, on position // anti-p generator AliGenBox *aproton= new AliGenBox(Npart); aproton->SetPart(kProtonBar); aproton->SetMomentumRange(momen,momen); aproton->SetPhiRange(0,360); aproton->SetThetaRange(thmin,thmax); aproton->SetOrigin(0., 0., 0.); // primary vertex position aproton->SetSigma(0.,0.,0.); // sigma (x,y,z) in cm, on position gener->AddGenerator(eminus,"e-",1); gener->AddGenerator(eplus,"e+",1); gener->AddGenerator(muminus,"mu-",1); gener->AddGenerator(muplus,"mu+",1); gener->AddGenerator(piminus,"pi-",1); gener->AddGenerator(piplus,"pi+",1); gener->AddGenerator(kminus,"K-",1); gener->AddGenerator(kplus,"K+",1); gener->AddGenerator(proton,"p",1); gener->AddGenerator(aproton,"anti-p",1); gener->Init(); // FIELD // if (mag == AliMagF::k2kG) { comment = comment.Append(" | L3 field 0.2 T"); } else if (mag == AliMagF::k5kG) { comment = comment.Append(" | L3 field 0.5 T"); } printf("\n \n Comment: %s \n \n", comment.Data()); AliMagF* field = new AliMagF("Maps","Maps", 1., 1., mag); field->SetL3ConstField(0); //Using const. field in the barrel TGeoGlobalMagField::Instance()->SetField(field); rl->CdGAFile(); Int_t iABSO = 1; Int_t iACORDE = 0; Int_t iDIPO = 0; Int_t iEMCAL = 0; Int_t iFMD = 0; Int_t iFRAME = 1; Int_t iHALL = 1; Int_t iITS = 1; Int_t iMAG = 1; Int_t iMUON = 0; Int_t iPHOS = 1; Int_t iPIPE = 1; Int_t iPMD = 0; Int_t iHMPID = 1; Int_t iSHIL = 0; Int_t iT0 = 0; Int_t iTOF = 1; Int_t iTPC = 1; Int_t iTRD = 1; Int_t iVZERO = 0; Int_t iZDC = 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"); FRAME->SetHoles(0); } if (iSHIL) { //=================== SHIL parameters ============================ AliSHIL *SHIL = new AliSHILv2("SHIL", "Shielding Version 2"); } 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"); // AliITSvPPRasymmFMD *ITS = new AliITSvPPRasymmFMD("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(kTRUE); // 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(0); // 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(0); // 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(0); // 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 ===================== AliTPC *TPC = new AliTPCv2("TPC", "Default"); } if (iTOF) { //=================== TOF parameters ============================ AliTOF *TOF = new AliTOFv5T0("TOF", "normal TOF"); } if (iHMPID) { //=================== HMPID parameters =========================== AliHMPID *HMPID = new AliHMPIDv1("HMPID", "normal HMPID"); } if (iZDC) { //=================== ZDC parameters ============================ AliZDC *ZDC = new AliZDCv2("ZDC", "normal ZDC"); } if (iTRD) { //=================== TRD parameters ============================ AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator"); AliTRDgeometry *geoTRD = TRD->GetGeometry(); } if (iFMD) { //=================== FMD parameters ============================ AliFMD *FMD = new AliFMDv1("FMD", "normal FMD"); } if (iMUON) { //=================== MUON parameters =========================== // New MUONv1 version (geometry defined via builders) 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"); } if (iT0) { //=================== T0 parameters ============================ AliT0 *T0 = new AliT0v1("T0", "T0 Detector"); } if (iEMCAL) { //=================== EMCAL parameters ============================ AliEMCAL *EMCAL = new AliEMCALv2("EMCAL", "SHISH"); } if (iACORDE) { //=================== ACORDE parameters ============================ AliACORDE *ACORDE = new AliACORDEv1("ACORDE", "normal ACORDE"); } if (iVZERO) { //=================== ACORDE parameters ============================ AliVZERO *VZERO = new AliVZEROv6("VZERO", "normal VZERO"); } } void ProcessEnvironmentVars() { // Run type if (gSystem->Getenv("CONFIG_RUN_TYPE")) { for (Int_t iRun = 0; iRun < kRunMax; iRun++) { if (strcmp(gSystem->Getenv("CONFIG_RUN_TYPE"), pprRunName[iRun])==0) { proc = (PDC06Proc_t)iRun; cout<<"Run type set to "<Getenv("CONFIG_SEED")) { seed = atoi(gSystem->Getenv("CONFIG_SEED")); } }