// $Id$ // // AliRoot Configuration for running aliroot with Monte Carlo. // Called from g4Config.C Float_t EtaToTheta(Float_t arg); static Int_t eventsPerRun = 100; void ConfigCommon(Bool_t interactiveSetup) { // ============================= // Root file // ============================= // Create the output file AliRunLoader* rl = 0; rl = AliRunLoader::Open("galice.root", AliConfig::GetDefaultEventFolderName(), "recreate"); if (!rl) { gAlice->Fatal("Config.C","Can not instatiate the Run Loader"); return; } rl->SetCompressionLevel(2); rl->SetNumberOfEventsPerFile(3); gAlice->SetRunLoader(rl); // Set External decayer AliDecayer* decayer = new AliDecayerPythia(); decayer->SetForceDecay(kAll); decayer->Init(); gMC->SetExternalDecayer(decayer); // Physics process control 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); //xx gMC ->SetProcess("CKOV",1); gMC ->SetProcess("HADR",1); //Select pure GEANH (HADR 1) or GEANH/NUCRIN (HADR 3) gMC ->SetProcess("LOSS",2); gMC ->SetProcess("MULS",1); //xx gMC ->SetProcess("RAYL",1); // Energy cuts // (in development) 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); // ============================= // Event generator // ============================= // --- Specify event type to be tracked through the ALICE setup // --- All positions are in cm, angles in degrees, and P and E in GeV Int_t nParticles = 100; if (gSystem->Getenv("CONFIG_NPARTICLES")) nParticles = atoi(gSystem->Getenv("CONFIG_NPARTICLES")); AliGenCocktail *gener = new AliGenCocktail(); gener->SetPhiRange(0, 360); // 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); gener->SetOrigin(0, 0, 0); //vertex position gener->SetSigma(0, 0, 0); //Sigma in (X,Y,Z) (cm) on IP position AliGenHIJINGpara *hijingparam = new AliGenHIJINGpara(nParticles); hijingparam->SetMomentumRange(0.2, 999); gener->AddGenerator(hijingparam,"HIJING PARAM",1); // AliGenBox *genbox = new AliGenBox(nParticles); // genbox->SetPart(22); // genbox->SetPtRange(0.3, 10.00); // gener->AddGenerator(genbox,"GENBOX GAMMA for PHOS",1); gener->Init(); // Activate this line if you want the vertex smearing to happen // track by track //gener->SetVertexSmear(perTrack); // ============================= // Magnetic field // ============================= // Field (L3 0.4 T) AliMagFMaps* field = new AliMagFMaps("Maps","Maps", 2, 1., 10., 1); gAlice->SetField(field); // Old magnetic field //gAlice->SetField(-999,2); //Specify maximum magnetic field in Tesla (neg. ==> default field) // ============================= // Alice modules // ============================= if (!interactiveSetup) { // Select modules Int_t iABSO = 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 = 1; Int_t iCRT = 0; Int_t iVZERO = 1; // ONLY FOR GEANT4 // Exclude detectors with temporary problem iCRT = 0; iEMCAL = 0; // END OF ONLY FOR GEANT4 //=================== 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 (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: // // // /* AliITSvPPRasymmFMD *ITS = new AliITSvPPRasymmFMD("ITS","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(150.); // chip thickness on layer 1 must be in the range [150,300] ITS->SetThicknessChip2(150.); // 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 (iRICH) { //=================== RICH parameters =========================== AliRICH *RICH = new AliRICHv1("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); // Switch on TR AliTRDsim *TRDsim = TRD->CreateTR(); } if (iFMD) { //=================== FMD parameters ============================ AliFMD *FMD = new AliFMDv1("FMD", "normal FMD"); } 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 AliEMCALv2("EMCAL", "SHISH_77_TRD1_2X2_FINAL_110DEG"); } if (iCRT) { //=================== CRT parameters ============================ AliCRT *CRT = new AliCRTv0("CRT", "normal ACORDE"); } if (iVZERO) { //=================== CRT parameters ============================ AliVZERO *VZERO = new AliVZEROv7("VZERO", "normal VZERO"); } } // end (!isSetInteractively) cout << "End of g4ConfigCommon.C" << endl; } Float_t EtaToTheta(Float_t arg){ return (180./TMath::Pi())*2.*atan(exp(-arg)); }