static Int_t eventsPerRun = 100; enum PprGeo_t { kHoles, kNoHoles }; static PprGeo_t geo = kHoles; void Config() { // 7-DEC-2000 09:00 // Switch on Transition Radiation 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); 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(4); //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 if (gSystem->Getenv("CONFIG_NPARTICLES")) { int nParticles = atoi(gSystem->Getenv("CONFIG_NPARTICLES")); } else { int nParticles = 50; } AliGenCRT *gener = new AliGenCRT(); // One generation per event //TF1* zenithFunc = new TF1("zenith","1/cos(x)", 0. 65.); //gener->SetZenithalDistributionFunction(zenithFunc); //Float_t tend = 65.*TMath::Pi()/180.; //TF1* momFunc = new TF1("momFunc", "x", 10., 1000.); //gener->SetMomentumDistrubutionFunction(momFunc); gener->SetZenithalAngleRange(0., 65.); gener->SetAzimuthalAngleRange(0., 359.); gener->SetMomentumResolution(1.); // GeVs gener->SetSigma(0,0,0); // Sigma for smearing gener->SetMomentumRange(10., 1000.); // in GeVs. gener->SetPart(kMuonMinus); // Two choices: // kMuonMinus // kMuonPlus //gener->SetMode(kSingleMuons);// Single muons //gener->SetMode(kMuonBundle); gener->SetMode(kMuonFlux); // three choises // kSingleMuons // kMuonBundle // kMuonFlux <- Not available, yet // If you choose kMuonBundle, you should set how many particles do you // want and in wich region should the muons be generated, for instance // if you want to generate n^2 muons, in a square of side 300 cm //gener->SetRange(4, 300., 4, 300.); //gener->SetVertexSmear(kPerEvent); // Set the smearing per Event gener->Init(); // Intialize the generator. // Set the tracking limits to include the Molasse gAlice->TrackingLimits( 5000, 5000); // // Activate this line if you want the vertex smearing to happen // track by track // //gener->SetVertexSmear(perTrack); // Field (L3 0.4 T) AliMagFMaps* field = new AliMagFMaps("Maps","Maps", 2, 1., 10., 1); rootfile->cd(); gAlice->SetField(field); Int_t iABSO = 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; Int_t iEMCAL = 0; Int_t iCRT = 1; Int_t iVZERO = 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 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"); // 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("$ALICE_ROOT/ITS/ITSgeometry_vPPRasymm2.det"); // don't touch this parameter if you're not an ITS developer ITS->SetThicknessDet1(200.); // detector thickness on layer 1 must be in the range [100,300] ITS->SetThicknessDet2(200.); // detector thickness on layer 2 must be in the range [100,300] ITS->SetThicknessChip1(200.); // chip thickness on layer 1 must be in the range [150,300] ITS->SetThicknessChip2(200.); // chip thickness on layer 2 must be in the range [150,300] ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon // //AliITSvPPRsymm *ITS = new AliITSvPPRsymm("ITS","New ITS PPR detailed version with symmetric services"); //ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer //ITS->SetReadDet(kFALSE); // don't touch this parameter if you're not an ITS developer //ITS->SetWriteDet("$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(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 ================================ // --- 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 AliTOFv4T0("TOF", "normal TOF"); } } if (iRICH) { //=================== RICH parameters =========================== AliRICH *RICH = new AliRICHv3("RICH", "normal RICH"); } if (iZDC) { //=================== ZDC parameters ============================ AliZDC *ZDC = new AliZDCv2("ZDC", "normal ZDC"); } 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(128); FMD->SetSectorsSi1(20); FMD->SetSectorsSi2(40); } 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"); } if (iSTART) { //=================== START parameters ============================ AliSTART *START = new AliSTARTv1("START", "START Detector"); } if (iEMCAL) { //=================== EMCAL parameters ============================ AliEMCAL *EMCAL = new AliEMCALv1("EMCAL", "EMCALArch1a"); } if (iCRT) { //=================== CRT parameters ============================ //AliCRT *CRT = new AliCRTv0("CRT", "normal ACORDE"); AliCRT* CRT = new AliCRTv1("CRT", "Special version Only with the CRT"); } if (iVZERO) { //=================== CRT parameters ============================ AliVZERO *VZERO = new AliVZEROv2("VZERO", "normal VZERO"); } } Float_t EtaToTheta(Float_t arg){ return (180./TMath::Pi())*2.*atan(exp(-arg)); }