1 // Configuration of simulation
5 kGluonRadiation, kNoGluonRadiation
10 kDefaultPPTrig, kDefaultPbPbTrig
13 const char * pprTrigConfName[] = {
18 // This part for configuration
20 static PprRad_t srad = kGluonRadiation;
21 static AliMagF::BMap_t smag = AliMagF::k5kG;
22 static Int_t sseed = 12345; //Set 0 to use the current time
24 static PprTrigConf_t strig = kDefaultPPTrig; // default PbPb trigger configuration
26 static TString comment;
29 Float_t EtaToTheta(Float_t arg);
30 AliGenerator* GeneratorFactory();
34 // ThetaRange is (0., 180.). It was (0.28,179.72) 7/12/00 09:00
35 // Theta range given through pseudorapidity limits 22/6/2001
37 // Set Random Number seed
38 gRandom->SetSeed(sseed);
39 cout<<"Seed for random number generation= "<<gRandom->GetSeed()<<endl;
43 // libraries required by geant321 and Pythia6: loaded in sim.C
45 new TGeant3TGeo("C++ Interface to Geant3");
49 cout<<"Config.C: Creating Run Loader ..."<<endl;
50 rl = AliRunLoader::Open("galice.root",
51 AliConfig::GetDefaultEventFolderName(),
55 gAlice->Fatal("Config.C","Can not instatiate the Run Loader");
58 rl->SetCompressionLevel(2);
59 rl->SetNumberOfEventsPerFile(100);
60 gAlice->SetRunLoader(rl);
62 // Set the trigger configuration
63 AliSimulation::Instance()->SetTriggerConfig(pprTrigConfName[strig]);
64 cout<<"Trigger configuration is set to "<<pprTrigConfName[strig]<<endl;
68 // Set External decayer
69 AliDecayer *decayer = new AliDecayerPythia();
70 decayer->SetForceDecay(kAll);
74 AliPythia * py= AliPythia::Instance();
75 py->SetMDME(737,1,0); //forbid D*+->D+ + pi0
76 py->SetMDME(738,1,0);//forbid D*+->D+ + gamma
78 for(Int_t d=747; d<=762; d++){
82 for(Int_t d=764; d<=807; d++){
86 TVirtualMC * vmc = TVirtualMC::GetMC();
88 vmc->SetExternalDecayer(decayer);
91 //=======================================================================
93 //=======================================================================
94 // ************* STEERING parameters FOR ALICE SIMULATION **************
95 // --- Specify event type to be tracked through the ALICE setup
96 // --- All positions are in cm, angles in degrees, and P and E in GeV
98 vmc->SetProcess("DCAY",1);
99 vmc->SetProcess("PAIR",1);
100 vmc->SetProcess("COMP",1);
101 vmc->SetProcess("PHOT",1);
102 vmc->SetProcess("PFIS",0);
103 vmc->SetProcess("DRAY",0);
104 vmc->SetProcess("ANNI",1);
105 vmc->SetProcess("BREM",1);
106 vmc->SetProcess("MUNU",1);
107 vmc->SetProcess("CKOV",1);
108 vmc->SetProcess("HADR",1);
109 vmc->SetProcess("LOSS",2);
110 vmc->SetProcess("MULS",1);
111 vmc->SetProcess("RAYL",1);
113 Float_t cut = 1.e-3; // 1MeV cut by default
114 Float_t tofmax = 1.e10;
116 vmc->SetCut("CUTGAM", cut);
117 vmc->SetCut("CUTELE", cut);
118 vmc->SetCut("CUTNEU", cut);
119 vmc->SetCut("CUTHAD", cut);
120 vmc->SetCut("CUTMUO", cut);
121 vmc->SetCut("BCUTE", cut);
122 vmc->SetCut("BCUTM", cut);
123 vmc->SetCut("DCUTE", cut);
124 vmc->SetCut("DCUTM", cut);
125 vmc->SetCut("PPCUTM", cut);
126 vmc->SetCut("TOFMAX", tofmax);
128 // Debug and log level
129 // AliLog::SetGlobalDebugLevel(0);
130 // AliLog::SetGlobalLogLevel(AliLog::kError);
132 // Generator Configuration
133 AliGenerator* gener = GeneratorFactory();
134 gener->SetOrigin(0, 0, 0); // vertex position
135 gener->SetSigma(0, 0, 5.3); // Sigma in (X,Y,Z) (cm) on IP position
136 gener->SetCutVertexZ(1.); // Truncate at 1 sigma
137 gener->SetVertexSmear(kPerEvent);
138 gener->SetTrackingFlag(1);
141 if (smag == AliMagF::k2kG) {
142 comment = comment.Append(" | L3 field 0.2 T");
143 } else if (smag == AliMagF::k5kG) {
144 comment = comment.Append(" | L3 field 0.5 T");
148 if (srad == kGluonRadiation)
150 comment = comment.Append(" | Gluon Radiation On");
153 comment = comment.Append(" | Gluon Radiation Off");
157 printf("\n \n Comment: %s \n \n", comment.Data());
161 AliMagF* field = new AliMagF("Maps","Maps",-1., -1., smag);
162 TGeoGlobalMagField::Instance()->SetField(field);
188 //=================== Alice BODY parameters =============================
189 AliBODY *BODY = new AliBODY("BODY", "Alice envelop");
194 //=================== MAG parameters ============================
195 // --- Start with Magnet since detector layouts may be depending ---
196 // --- on the selected Magnet dimensions ---
197 AliMAG *MAG = new AliMAG("MAG", "Magnet");
203 //=================== ABSO parameters ============================
204 AliABSO *ABSO = new AliABSOv3("ABSO", "Muon Absorber");
209 //=================== DIPO parameters ============================
211 AliDIPO *DIPO = new AliDIPOv3("DIPO", "Dipole version 3");
216 //=================== HALL parameters ============================
218 AliHALL *HALL = new AliHALLv3("HALL", "Alice Hall");
224 //=================== FRAME parameters ============================
226 AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame");
232 //=================== SHIL parameters ============================
234 AliSHIL *SHIL = new AliSHILv3("SHIL", "Shielding Version 3");
240 //=================== PIPE parameters ============================
242 AliPIPE *PIPE = new AliPIPEv3("PIPE", "Beam Pipe");
247 //=================== ITS parameters ============================
249 AliITS *ITS = new AliITSv11("ITS","ITS v11");
254 //============================ TPC parameters =====================
255 AliTPC *TPC = new AliTPCv2("TPC", "Default");
260 //=================== TOF parameters ============================
261 AliTOF *TOF = new AliTOFv6T0("TOF", "normal TOF");
267 //=================== HMPID parameters ===========================
268 AliHMPID *HMPID = new AliHMPIDv3("HMPID", "normal HMPID");
275 //=================== ZDC parameters ============================
277 AliZDC *ZDC = new AliZDCv4("ZDC", "normal ZDC");
282 //=================== TRD parameters ============================
284 AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator");
289 //=================== FMD parameters ============================
290 AliFMD *FMD = new AliFMDv1("FMD", "normal FMD");
295 //=================== MUON parameters ===========================
296 // New MUONv1 version (geometry defined via builders)
297 AliMUON *MUON = new AliMUONv1("MUON", "default");
299 //=================== PHOS parameters ===========================
303 AliPHOS *PHOS = new AliPHOSv1("PHOS", "Run1");
309 //=================== PMD parameters ============================
310 AliPMD *PMD = new AliPMDv1("PMD", "normal PMD");
315 //=================== T0 parameters ============================
316 AliT0 *T0 = new AliT0v1("T0", "T0 Detector");
321 //=================== EMCAL parameters ============================
322 AliEMCAL *EMCAL = new AliEMCALv2("EMCAL", "EMCAL_COMPLETEV1");
327 //=================== ACORDE parameters ============================
328 AliACORDE *ACORDE = new AliACORDEv1("ACORDE", "normal ACORDE");
333 //=================== VZERO parameters ============================
334 AliVZERO *VZERO = new AliVZEROv7("VZERO", "normal VZERO");
340 Float_t EtaToTheta(Float_t arg){
341 return (180./TMath::Pi())*2.*atan(exp(-arg));
346 AliGenerator* GeneratorFactory() {
348 AliGenExtFile *gener = new AliGenExtFile(-1);
349 AliGenReaderTreeK * reader = new AliGenReaderTreeK();
351 reader->SetFileName("galice.root");
352 reader->AddDir("../gen");
353 gener->SetReader(reader);