// Config file MUON + ITS (for vertex) for PDC06 // Tuned for p+p min biais and quarkonia production (AliGenMUONCocktailpp) // Remember to define the directory and option // gAlice->SetConfigFunction("Config('$HOME','box');"); // april 3rd: added L3 magnet void Config(char directory[100]="", char option[6]="trg1mu") { static Int_t sseed = 0; // Set 0 to use the current time //===================================================================== // Libraries required by geant321 gSystem->Load("libgeant321.so"); new TGeant3TGeo("C++ Interface to Geant3"); //======================================================================= // Set Random Number seed gRandom->SetSeed(sseed); // Create the output file Text_t filename[100]; sprintf(filename,"%sgalice.root",directory); AliRunLoader* rl=0x0; rl = AliRunLoader::Open( filename, AliConfig::GetDefaultEventFolderName(), "recreate"); if (rl == 0x0) { gAlice->Fatal("Config.C","Can not instatiate the Run Loader"); return; } rl->SetCompressionLevel(2); rl->SetNumberOfEventsPerFile(1000); gAlice->SetRunLoader(rl); //======================================================================= // Set the trigger configuration gAlice->SetTriggerDescriptor("p-p"); cout<<"Trigger configuration is set to p-p"<SetForceDecay(kAll); decayer->Init(); gMC->SetExternalDecayer(decayer); //======================================================================= // ******* GEANT STEERING parameters FOR ALICE SIMULATION ******* 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); // //======================================================================= // ************* STEERING parameters FOR ALICE SIMULATION ************** // Chamber positions // From AliMUONConstants class we get : // Position Z (along beam) of the chambers (in cm) // (from AliMUONConstants class): // 533.5, 546.5, 678.5, 693.5, 964.0, 986.0, 1251.5, 1278.5, // 1416.5, 1443.5, 1610, 1625., 1710., 1725. // Internal Radius (in cm) // 36.4, 46.2, 66.0, 80., 80., 100., 100. // External Radius (in cm) // 183., 245., 395., 560., 563., 850., 900. //======================================================================= if (!strcmp(option,"trg2mu")) { AliGenMUONCocktailpp *gener = new AliGenMUONCocktailpp(); gener->SetPtRange(0.,100.); gener->SetYRange(-4.,-2.4); gener->SetPhiRange(0.,360.); gener->SetMuonMultiplicity(2); gener->SetMuonPtCut(0.5); gener->SetMuonThetaRange(171.,178.); gener->SetOrigin(0.,0.,0.); gener->SetSigma(0.,0.,5.); gener->SetVertexSmear(kPerEvent); gener->Init(); } if (!strcmp(option,"trg1mu")) { AliGenMUONCocktailpp *gener = new AliGenMUONCocktailpp(); gener->SetPtRange(0.,100.); gener->SetYRange(-4.,-2.4); gener->SetPhiRange(0.,360.); gener->SetMuonMultiplicity(1); gener->SetMuonPtCut(0.5); gener->SetMuonThetaRange(171.,178.); gener->SetOrigin(0.,0.,0.); gener->SetSigma(0.,0.,5.); gener->SetVertexSmear(kPerEvent); gener->Init(); } //============================================================= // Field (L3 0.5 T) outside dimuon spectrometer AliMagFMaps* field = new AliMagFMaps("Maps","Maps", 2, 1., 10., AliMagFMaps::k5kG); field->SetL3ConstField(0); // Using const. field in the barrel gAlice->SetField(field); Int_t iITS = 1; Int_t iZDC = 1; Int_t iFMD = 1; Int_t iPHOS = 1; Int_t iPMD = 1; Int_t iSTART = 1; Int_t iVZERO = 1; rl->CdGAFile(); //=================== Alice BODY parameters ============================= AliBODY *BODY = new AliBODY("BODY","Alice envelop"); //=================== ABSO parameters ============================ AliABSO *ABSO = new AliABSOv0("ABSO", "Muon Absorber"); //=================== DIPO parameters ============================ AliDIPO *DIPO = new AliDIPOv2("DIPO", "Dipole version 2"); //================== HALL parameters ============================ AliHALL *HALL = new AliHALL("HALL", "Alice Hall"); //================== The L3 Magnet ============================== AliMAG *MAG = new AliMAG("MAG", "L3 Magnet"); //=================== PIPE parameters ============================ AliPIPE *PIPE = new AliPIPEv0("PIPE", "Beam Pipe"); //=================== SHIL parameters ============================ AliSHIL *SHIL = new AliSHILv2("SHIL", "Shielding Version 2"); //=================== ITS parameters ============================= if(iITS) { AliITSvPPRasymmFMD *ITS = new AliITSvPPRasymmFMD("ITS","ITS PPR detailed version with asymmetric services"); } //=================== ZDC parameters ============================= if(iZDC) { AliZDC *ZDC = new AliZDCv2("ZDC", "normal ZDC"); } //=================== FMD parameters ============================= if(iFMD) { AliFMD *FMD = new AliFMDv1("FMD", "normal FMD"); } //=================== PHOS parameters ============================= if(iPHOS) { AliPHOS *PHOS = new AliPHOSv1("PHOS", "IHEP"); } //=================== PMD parameters ============================= if(iPMD) { AliPMD *PMD = new AliPMDv1("PMD", "normal PMD"); } //=================== START parameters ============================= if (iSTART) { AliSTART *START = new AliSTARTv1("START", "START Detector"); } //=================== VZERO parameters ============================= if (iVZERO) { AliVZERO *VZERO = new AliVZEROv7("VZERO", "normal VZERO"); } //=================== MUON Subsystem =========================== cout << ">>> Config.C: Creating AliMUONv1 ..."< digitizer=AliMUONDigitizerV3, // using the "old" trigger code, performing calibration // AliMUON *MUON = new AliMUONv1("MUON"); } Float_t EtaToTheta(Float_t arg){ return (180./TMath::Pi())*2.*atan(exp(-arg)); }