// Config file MUON + ITS (for vertex) + VZERO + FMD for PDC07 // Tuned for p+p min biais and quarkonia production, heavy quark production // from AliGenCorrHF(AliGenMUONCocktailpp) // Remember to define the directory and option // gAlice->SetConfigFunction("Config('$HOME','box');"); // april 3rd: added L3 magnet void Config(char directory[100]="", char option[6]="trgAll") { static Int_t sseed = 0; // Set 0 to use the current time //===================================================================== // Libraries required by geant321 // gSystem->Load("liblhapdf.so"); // gSystem->Load("libEGPythia6.so"); // gSystem->Load("libPythia6.so"); // gSystem->Load("libpythia6.so"); // gSystem->Load("libAliPythia6.so"); gSystem->Load("libgeant321.so"); new TGeant3TGeo("C++ Interface to Geant3"); //======================================================================= if(!AliCDBManager::Instance()->IsDefaultStorageSet()){ AliCDBManager::Instance()->SetDefaultStorage("local://$ALICE_ROOT"); AliCDBManager::Instance()->SetRun(0); } // 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 - not needed here for MUON in // stand-alone mode // 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. //======================================================================= AliGenPythia* PythiaForMUONCocktail(Decay_t dt) { AliGenPythia *pythia = new AliGenPythia(1); pythia->SetProcess(kPyMbMSEL1); pythia->SetStrucFunc(kCTEQ5L); pythia->SetEnergyCMS(14000.); pythia->SetForceDecay(dt); pythia->SetPtRange(0.,100.); pythia->SetYRange(-8.,8.); pythia->SetPhiRange(0.,360.); pythia->SetPtHard(2.76,-1.0); pythia->SwitchHFOff(); return pythia; } 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); Decay_t dt = gener->GetDecayModePythia(); AliGenPythia* pythia = PythiaForMUONCocktail(dt); pythia->Init(); gener->AddGenerator(pythia,"Pythia",1); 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); Decay_t dt = gener->GetDecayModePythia(); AliGenPythia* pythia = PythiaForMUONCocktail(dt); pythia->Init(); gener->AddGenerator(pythia,"Pythia",1); gener->Init(); } if (!strcmp(option,"trgAll")) { AliGenMUONCocktailpp *gener = new AliGenMUONCocktailpp(); gener->SetPtRange(0.,100.); gener->SetYRange(-4.,-2.4); gener->SetPhiRange(0., 360.); gener->SetMuonMultiplicity(0); gener->SetMuonPtCut(0.); gener->SetOrigin(0.,0.,0.); gener->SetSigma(0.,0.,5.3); gener->SetVertexSmear(kPerEvent); Decay_t dt = gener->GetDecayModePythia(); AliGenPythia* pythia = PythiaForMUONCocktail(dt); pythia->Init(); gener->AddGenerator(pythia,"Pythia",1); 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 iFMD = 1; Int_t iVZERO = 1; rl->CdGAFile(); //=================== Alice BODY parameters ============================= AliBODY *BODY = new AliBODY("BODY","Alice envelop"); //=================== ABSO parameters ============================ AliABSO *ABSO = new AliABSOv3("ABSO", "Muon Absorber"); //=================== DIPO parameters ============================ AliDIPO *DIPO = new AliDIPOv3("DIPO", "Dipole version 3"); //================== HALL parameters ============================ AliHALL *HALL = new AliHALLv3("HALL", "Alice Hall"); //================== The L3 Magnet ============================== AliMAG *MAG = new AliMAG("MAG", "L3 Magnet"); //=================== PIPE parameters ============================ AliPIPE *PIPE = new AliPIPEv3("PIPE", "Beam Pipe"); //=================== SHIL parameters ============================ AliSHIL *SHIL = new AliSHILv3("SHIL", "Shielding Version 3"); //=================== ITS parameters ============================= if(iITS) { AliITSvPPRasymmFMD *ITS = new AliITSvPPRasymmFMD("ITS","ITS PPR detailed version with asymmetric services"); } //=================== FMD parameters ============================= if(iFMD) { AliFMD *FMD = new AliFMDv1("FMD", "normal FMD"); } //=================== VZERO parameters ============================= if (iVZERO) { AliVZERO *VZERO = new AliVZEROv7("VZERO", "normal VZERO"); } //=================== MUON Subsystem =========================== cout << ">>> Config.C: Creating AliMUONv1 ..."<