Special muon spectrometer configuration for PDC06.

diff --git a/macros/Config_PDC06_MUON.C b/macros/Config_PDC06_MUON.C
new file mode 100644 (file)
index 0000000..4119aef
--- /dev/null
+++ b/macros/Config_PDC06_MUON.C
@@ -0,0 +1,158 @@
+// 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');");
+
+void Config(char directory[100]="", char option[6]="trg2mu")
+{
+ 
+  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(100);
+  gAlice->SetRunLoader(rl);
+  
+  //=======================================================================
+  // Set External decayer
+  TVirtualMCDecayer *decayer = new AliDecayerPythia();
+  decayer->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(1.);
+      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(1.);
+      gener->SetMuonThetaRange(171.,178.);      
+      gener->SetOrigin(0.,0.,0.); 
+      gener->SetSigma(0.,0.,5.);
+      gener->SetVertexSmear(kPerEvent);
+      gener->Init(); 
+  }
+  //============================================================= 
+  // Field (L3 0.4 T)
+  AliMagFMaps* field = new AliMagFMaps("Maps","Maps", 1, 1., 10., AliMagFMaps::k4kG);
+  gAlice->SetField(field);
+
+  Int_t   iITS   =  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");
+  }
+
+
+  //=================== MUON Subsystem ===========================
+  cout << ">>> Config.C: Creating AliMUONv1 ..."<<endl;
+
+  // With the following compactor, what you get (in case you wonder...) is :
+  //
+  // - "FactoryV4", that is all stations using new segmentations/mapping
+  // - "sdigitizer:AliMUONSDigitizerV2", performing decalibration
+  // - "digitizer:NewDigitizerOldTrigger" <=> 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));
+}