--- /dev/null
+//*******************************************************************//
+// Configuration file for charm / beauty generation with PYTHIA //
+// //
+// The parameters have been tuned in order to reproduce the inclusive//
+// heavy quark pt distribution given by the NLO pQCD calculation by //
+// Mangano, Nason and Ridolfi. //
+// //
+// For details and for the NORMALIZATION of the yields see: //
+// - "Charm and beauty production at the LHC", ALICE note submitted //
+// and available at: http://www.pd.infn.it/alipd/Docs.html //
+// - Current version of the ALICE PPR (Chapter 6.5) //
+// at: http://alice.web.cern.ch/Alice/ppr/web/CurrentVersion.html //
+//*******************************************************************//
+
+//--- Heavy Flavour Production ---
+enum ProcessHvFl_t
+{
+ kCharmPbPb5500, kCharmpPb8800, kCharmpp14000,
+ kD0PbPb5500, kD0pPb8800, kD0pp14000,
+ kBeautyPbPb5500, kBeautypPb8800, kBeautypp14000
+};
+//--- Decay Mode ---
+enum DecayHvFl_t
+{
+ kNature, kHadr, kSemiEl, kSemiMu
+};
+//--- Rapidity Cut ---
+enum YCut_t
+{
+ kFull, kBarrel, kMuonArm
+};
+//--- Magnetic Field ---
+enum Mag_t
+{
+ k2kG, k4kG, k5kG
+};
+
+// This part for configuration
+static ProcessHvFl_t procHvFl = kCharmPbPb5500;
+static DecayHvFl_t decHvFl = kNature;
+static YCut_t ycut = kFull;
+static Mag_t mag = k4kG;
+// 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;
+
+
+// Comment line
+static TString comment;
+
+void Config()
+{
+
+ //========================//
+ // Set Random Number seed //
+ //========================//
+ TDatime dt;
+ UInt_t curtime=dt.Get();
+ UInt_t procid=gSystem->GetPid();
+ UInt_t seed=curtime-procid;
+
+ gRandom->SetSeed(12345);
+ cerr<<"Seed for random number generation= "<<seed<<endl;
+
+ // libraries required by geant321
+ gSystem->Load("libgeant321");
+
+ new TGeant3("C++ Interface to Geant3");
+
+ //=======================================================================
+ // Create the output file
+ TFile *rootfile = new TFile("galice.root","recreate");
+ rootfile->SetCompressionLevel(2);
+ TGeant3 *geant3 = (TGeant3*)gMC;
+ //
+ //
+ //=======================================================================
+ // ******* 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
+ //======================//
+ // 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 //
+ //=========================//
+ AliGenPythia *pythia = PythiaHVQ(procHvFl);
+ // FeedDown option
+ pythia->SetFeedDownHigherFamily(kFALSE);
+ // Stack filling option
+ if(!stars) pythia->SetStackFillOpt(AliGenPythia::kParentSelection);
+ // Set Count mode
+ if(nEvts>0) pythia->SetCountMode(AliGenPythia::kCountParents);
+ // DECAYS
+ //
+ switch(decHvFl) {
+ case kNature:
+ pythia->SetForceDecay(kAll);
+ break;
+ case kHadr:
+ pythia->SetForceDecay(kHadronicD);
+ break;
+ case kSemiEl:
+ pythia->SetForceDecay(kSemiElectronic);
+ break;
+ case kSemiMu:
+ pythia->SetForceDecay(kSemiMuonic);
+ break;
+ }
+ // GEOM & KINE CUTS
+ //
+ pythia->SetMomentumRange(0,99999999);
+ pythia->SetPhiRange(-180.,180.);
+ pythia->SetThetaRange(0,180);
+ switch(ycut) {
+ case kFull:
+ pythia->SetYRange(-999,999);
+ break;
+ case kBarrel:
+ pythia->SetYRange(-2,2);
+ break;
+ case kMuonArm:
+ pythia->SetYRange(1,6);
+ break;
+ }
+
+ // PRIMARY VERTEX
+ //
+ pythia->SetOrigin(0, 0, 0); // vertex position
+ pythia->SetSigma(0, 0, 5.3); // Sigma in (X,Y,Z) (cm) on IP position
+ pythia->SetCutVertexZ(1.); // Truncate at 1 sigma
+ pythia->SetVertexSmear(kPerEvent);
+
+
+
+ pythia->SetTrackingFlag(0);
+ // Specify GEANT tracking limits (Rmax, Zmax)
+ //gAlice->TrackingLimits(90.,1.0e10);
+
+
+ pythia->Init();
+
+ // FIELD
+ //
+ if (mag == k2kG) {
+ comment = comment.Append(" | L3 field 0.2 T");
+ } else if (mag == k4kG) {
+ comment = comment.Append(" | L3 field 0.4 T");
+ } else if (mag == k5kG) {
+ comment = comment.Append(" | L3 field 0.5 T");
+ }
+ printf("\n \n Comment: %s \n \n", (char*) comment);
+
+ AliMagFMaps* field = new AliMagFMaps("Maps","Maps", 2, 1., 10., mag);
+ rootfile->cd();
+ gAlice->SetField(field);
+
+
+ // By default all ALICE is switched off
+ Int_t iABSO=0;
+ Int_t iCRT=0;
+ Int_t iDIPO=0;
+ Int_t iFMD=0;
+ Int_t iFRAME=0;
+ Int_t iHALL=0;
+ Int_t iITS=0;
+ Int_t iMAG=0;
+ Int_t iMUON=0;
+ Int_t iPHOS=0;
+ Int_t iPIPE=0;
+ Int_t iPMD=0;
+ Int_t iRICH=0;
+ Int_t iSHIL=0;
+ Int_t iSTART=0;
+ Int_t iTOF=0;
+ Int_t iTPC=0;
+ Int_t iTRD=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 ============================
+
+ AliFRAME *FRAME = new AliFRAMEv2("FRAME","Space Frame");
+
+ }
+
+ if(iSHIL) {
+ //=================== SHIL parameters ============================
+
+ AliSHIL *SHIL = new AliSHILv2("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("$ALICE_ROOT/ITS/ITSgeometry_vPPRasymm2.det"); // don't touch this parameter if you're not an ITS developer
+ ITS->SetThicknessDet1(200.); // detector thickness on layer 1 must be in the range [150,300]
+ ITS->SetThicknessDet2(200.); // detector thickness on layer 2 must be in the range [150,300]
+ ITS->SetThicknessChip1(200.); // chip thickness on layer 1 must be in the range [100,300]
+ ITS->SetThicknessChip2(200.); // chip thickness on layer 2 must be in the range [100,300]
+ ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out
+ ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon
+ //
+ //AliITSvPPRsymm *ITS = new AliITSvPPRsymm("ITS","New ITS PPR detailed version with symmetric services");
+ //ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer
+ //ITS->SetReadDet(kFALSE); // don't touch this parameter if you're not an ITS developer
+ //ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRsymm2.det"); // don't touch this parameter if you're not an ITS developer
+ //ITS->SetThicknessDet1(300.); // detector thickness on layer 1 must be in the range [150,300]
+ //ITS->SetThicknessDet2(300.); // detector thickness on layer 2 must be in the range [150,300]
+ //ITS->SetThicknessChip1(300.); // chip thickness on layer 1 must be in the range [100,300]
+ //ITS->SetThicknessChip2(300.); // chip thickness on layer 2 must be in the range [100,300]
+ //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) {
+ //=================== TOF parameters ============================
+ AliTOF *TOF = new AliTOFv2("TOF","normal TOF");
+ }
+
+ if(iRICH) {
+ //=================== RICH parameters ===========================
+ AliRICH *RICH = new AliRICHv1("RICH","normal RICH");
+
+ }
+
+
+ if(iZDC) {
+ //=================== ZDC parameters ============================
+
+ AliZDC *ZDC = new AliZDCv1("ZDC","normal ZDC");
+ }
+
+ if(iCRT) {
+ //=================== CRT parameters ============================
+
+ AliCRT *CRT = new AliCRTv1("CRT","normal CRT");
+ }
+
+ 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);
+
+ // 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 AliFMDv0("FMD","normal FMD");
+ }
+
+ if(iMUON) {
+ //=================== MUON parameters ===========================
+ AliMUON *MUON = new AliMUONv1("MUON","default");
+ }
+
+ //=================== PHOS parameters ===========================
+
+ if(iPHOS) {
+ AliPHOS *PHOS = new AliPHOSv1("PHOS","GPS2");
+ }
+
+
+ //=================== CRT parameters ===========================
+
+ if(iCRT) {
+ AliCRT *CRT = new AliCRTv1("CRT","Normal CRTGPS2");
+ }
+
+
+ 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(iSTART) {
+ //=================== START parameters ============================
+ AliSTART *START = new AliSTARTv1("START","START Detector");
+ }
+
+
+}
+//
+// PYTHIA
+//
+AliGenPythia *PythiaHVQ(ProcessHvFl_t proc) {
+
+ switch(proc) {
+ case kCharmPbPb5500:
+ comment = comment.Append(" Charm in Pb-Pb at 5.5 TeV");
+ AliGenPythia *gener = new AliGenPythia(nEvts);
+ gener->SetProcess(kPyCharmPbPbMNR);
+ gener->SetStrucFunc(kCTEQ4L);
+ gener->SetPtHard(2.1,-1.0);
+ gener->SetEnergyCMS(5500.);
+ gener->SetNuclei(208,208);
+ break;
+ case kCharmpPb8800:
+ comment = comment.Append(" Charm in p-Pb at 8.8 TeV");
+ AliGenPythia *gener = new AliGenPythia(nEvts);
+ gener->SetProcess(kPyCharmpPbMNR);
+ gener->SetStrucFunc(kCTEQ4L);
+ gener->SetPtHard(2.1,-1.0);
+ gener->SetEnergyCMS(8800.);
+ gener->SetProjectile("P",1,1);
+ gener->SetTarget("Pb",208,82);
+ break;
+ case kCharmpp14000:
+ comment = comment.Append(" Charm in pp at 14 TeV");
+ AliGenPythia *gener = new AliGenPythia(nEvts);
+ gener->SetProcess(kPyCharmppMNR);
+ gener->SetStrucFunc(kCTEQ4L);
+ gener->SetPtHard(2.1,-1.0);
+ gener->SetEnergyCMS(14000.);
+ break;
+ case kD0PbPb5500:
+ comment = comment.Append(" D0 in Pb-Pb at 5.5 TeV");
+ AliGenPythia *gener = new AliGenPythia(nEvts);
+ gener->SetProcess(kPyD0PbPbMNR);
+ gener->SetStrucFunc(kCTEQ4L);
+ gener->SetPtHard(2.1,-1.0);
+ gener->SetEnergyCMS(5500.);
+ gener->SetNuclei(208,208);
+ break;
+ case kD0pPb8800:
+ comment = comment.Append(" D0 in p-Pb at 8.8 TeV");
+ AliGenPythia *gener = new AliGenPythia(nEvts);
+ gener->SetProcess(kPyD0pPbMNR);
+ gener->SetStrucFunc(kCTEQ4L);
+ gener->SetPtHard(2.1,-1.0);
+ gener->SetEnergyCMS(8800.);
+ gener->SetProjectile("P",1,1);
+ gener->SetTarget("Pb",208,82);
+ break;
+ case kD0pp14000:
+ comment = comment.Append(" D0 in pp at 14 TeV");
+ AliGenPythia *gener = new AliGenPythia(nEvts);
+ gener->SetProcess(kPyD0ppMNR);
+ gener->SetStrucFunc(kCTEQ4L);
+ gener->SetPtHard(2.1,-1.0);
+ gener->SetEnergyCMS(14000.);
+ break;
+ case kBeautyPbPb5500:
+ comment = comment.Append(" Beauty in Pb-Pb at 5.5 TeV");
+ AliGenPythia *gener = new AliGenPythia(nEvts);
+ gener->SetProcess(kPyBeautyPbPbMNR);
+ gener->SetStrucFunc(kCTEQ4L);
+ gener->SetPtHard(2.75,-1.0);
+ gener->SetEnergyCMS(5500.);
+ gener->SetNuclei(208,208);
+ break;
+ case kBeautypPb8800:
+ comment = comment.Append(" Beauty in p-Pb at 8.8 TeV");
+ AliGenPythia *gener = new AliGenPythia(nEvts);
+ gener->SetProcess(kPyBeautypPbMNR);
+ gener->SetStrucFunc(kCTEQ4L);
+ gener->SetPtHard(2.75,-1.0);
+ gener->SetEnergyCMS(8800.);
+ gener->SetProjectile("P",1,1);
+ gener->SetTarget("Pb",208,82);
+ break;
+ case kBeautypp14000:
+ comment = comment.Append(" Beauty in pp at 14 TeV");
+ AliGenPythia *gener = new AliGenPythia(nEvts);
+ gener->SetProcess(kPyBeautyppMNR);
+ gener->SetStrucFunc(kCTEQ4L);
+ gener->SetPtHard(2.75,-1.0);
+ gener->SetEnergyCMS(14000.);
+ break;
+ }
+
+ return gener;
+}
+
+
+
+
+
git://git.uio.no / u / mrichter / AliRoot.git / commitdiff