1 #if !defined(__CINT__) || defined(__MAKECINT__)
6 #include <TVirtualMC.h>
8 #include "STEER/AliRunLoader.h"
9 #include "STEER/AliRun.h"
10 #include "STEER/AliConfig.h"
11 #include "PYTHIA6/AliDecayerPythia.h"
12 #include "PYTHIA6/AliGenPythia.h"
13 #include "STEER/AliMagFCM.h"
14 #include "STRUCT/AliBODY.h"
15 #include "STRUCT/AliMAG.h"
16 #include "STRUCT/AliABSOv3.h"
17 #include "STRUCT/AliDIPOv3.h"
18 #include "STRUCT/AliHALLv3.h"
19 #include "STRUCT/AliFRAMEv2.h"
20 #include "STRUCT/AliSHILv3.h"
21 #include "STRUCT/AliPIPEv3.h"
22 #include "ITS/AliITSvPPRasymm.h"
23 #include "TPC/AliTPCv2.h"
24 #include "TOF/AliTOFv6T0.h"
25 #include "HMPID/AliHMPIDv2.h"
26 #include "ZDC/AliZDCv3.h"
27 #include "TRD/AliTRDv1.h"
28 #include "FMD/AliFMDv0.h"
29 #include "MUON/AliMUONv1.h"
30 #include "PHOS/AliPHOSv1.h"
31 #include "PMD/AliPMDv1.h"
32 #include "T0/AliT0v1.h"
33 #include "ACORDE/AliACORDEv1.h"
40 static PprGeo_t geo = kHoles;
46 // Set Random Number seed
48 UInt_t curtime=dt.Get();
49 UInt_t procid=gSystem->GetPid();
50 UInt_t seed=curtime-procid;
52 // gRandom->SetSeed(seed);
53 gRandom->SetSeed(12345);
54 cerr<<"Seed for random number generation= "<<seed<<endl;
56 // libraries required by geant321
58 gSystem->Load("libgeant321");
61 new TGeant3TGeo("C++ Interface to Geant3");
63 //=======================================================================
64 // Create the output file
66 if(!AliCDBManager::Instance()->IsDefaultStorageSet()){
67 AliCDBManager::Instance()->SetDefaultStorage("local://$ALICE_ROOT");
68 AliCDBManager::Instance()->SetRun(0);
73 cout<<"Config.C: Creating Run Loader ..."<<endl;
74 rl = AliRunLoader::Open("galice.root",
75 AliConfig::GetDefaultEventFolderName(),
79 gAlice->Fatal("Config.C","Can not instatiate the Run Loader");
82 rl->SetCompressionLevel(2);
83 rl->SetNumberOfEventsPerFile(3);
84 gAlice->SetRunLoader(rl);
85 // gAlice->SetGeometryFromFile("geometry.root");
86 // gAlice->SetGeometryFromCDB();
88 // Set the trigger configuration
89 gAlice->SetTriggerDescriptor("Pb-Pb");
90 cout<<"Trigger configuration is set to Pb-Pb"<<endl;
93 // Set External decayer
94 AliDecayer* decayer = new AliDecayerPythia();
95 decayer->SetForceDecay(kAll);
97 gMC->SetExternalDecayer(decayer);
101 //=======================================================================
102 // ************* STEERING parameters FOR ALICE SIMULATION **************
103 // --- Specify event type to be tracked through the ALICE setup
104 // --- All positions are in cm, angles in degrees, and P and E in GeV
106 gMC->SetProcess("DCAY",1);
107 gMC->SetProcess("PAIR",1);
108 gMC->SetProcess("COMP",1);
109 gMC->SetProcess("PHOT",1);
110 gMC->SetProcess("PFIS",0);
111 gMC->SetProcess("DRAY",0);
112 gMC->SetProcess("ANNI",1);
113 gMC->SetProcess("BREM",1);
114 gMC->SetProcess("MUNU",1);
115 gMC->SetProcess("CKOV",1);
116 gMC->SetProcess("HADR",1);
117 gMC->SetProcess("LOSS",2);
118 gMC->SetProcess("MULS",1);
119 gMC->SetProcess("RAYL",1);
121 Float_t cut = 1.e-3; // 1MeV cut by default
122 Float_t tofmax = 1.e10;
124 gMC->SetCut("CUTGAM", cut);
125 gMC->SetCut("CUTELE", cut);
126 gMC->SetCut("CUTNEU", cut);
127 gMC->SetCut("CUTHAD", cut);
128 gMC->SetCut("CUTMUO", cut);
129 gMC->SetCut("BCUTE", cut);
130 gMC->SetCut("BCUTM", cut);
131 gMC->SetCut("DCUTE", cut);
132 gMC->SetCut("DCUTM", cut);
133 gMC->SetCut("PPCUTM", cut);
134 gMC->SetCut("TOFMAX", tofmax);
137 // AliGenPythia *gener = new AliGenPythia(ntracks);
138 AliGenPythia *gener = new AliGenPythia(-1);
140 gener->SetMomentumRange(0,999);
141 gener->SetPhiRange(0.,360.);
142 gener->SetThetaRange(0,180);
143 gener->SetYRange(-999,999);
144 //gener->SetPtRange(0,100);
145 gener->SetOrigin(0,0,0); // vertex position
146 //gener->SetVertexSmear(kPerEvent);
147 gener->SetSigma(0,0,5.3); // Sigma in (X,Y,Z) (cm) on IP position
148 gener->SetTrackingFlag(0);
149 // gener->SetForceDecay(kHadronicD);
152 // The following settings select the Pythia parameters tuned to agree
153 // with beauty NLO calculation for Pb-Pb @ 5.5 TeV with MNR code.
155 gener->SetProcess(kPyBeautyPbPbMNR);
156 gener->SetStrucFunc(kCTEQ4L);
157 gener->SetPtHard(2.75,-1.0);
158 gener->SetEnergyCMS(5500.);
159 gener->SetNuclei(208,208); // Pb-Pb collisions
160 // Force no decay heavy quark mesons
161 gener->SetForceDecay(kNoDecayHeavy);
165 // Activate this line if you want the vertex smearing to happen
168 //gener->SetVertexSmear(perTrack);
171 AliMagFCM* field = new AliMagFCM(
172 "Map2","$(ALICE_ROOT)/data/field01.dat", 2, 1., 10.);
173 field->SetSolenoidField(4.);
174 gAlice->SetField(field);
196 //=================== Alice BODY parameters =============================
197 AliBODY *BODY = new AliBODY("BODY","Alice envelop");
200 //=================== MAG parameters ============================
201 // --- Start with Magnet since detector layouts may be depending ---
202 // --- on the selected Magnet dimensions ---
203 AliMAG *MAG = new AliMAG("MAG","Magnet");
208 //=================== ABSO parameters ============================
209 AliABSO *ABSO = new AliABSOv3("ABSO","Muon Absorber");
213 //=================== DIPO parameters ============================
215 AliDIPO *DIPO = new AliDIPOv3("DIPO","Dipole version 3");
219 //=================== HALL parameters ============================
221 AliHALL *HALL = new AliHALLv3("HALL","Alice Hall");
226 //=================== FRAME parameters ============================
228 AliFRAME *FRAME = new AliFRAMEv2("FRAME","Space Frame");
238 //=================== SHIL parameters ============================
240 AliSHIL *SHIL = new AliSHILv3("SHIL","Shielding");
245 //=================== PIPE parameters ============================
247 AliPIPE *PIPE = new AliPIPEv3("PIPE","Beam Pipe");
252 //=================== ITS parameters ============================
254 AliITSvPPRasymm *ITS = new AliITSvPPRasymm("ITS","New ITS PPR detailed version with asymmetric services");
259 //============================ TPC parameters ===================
260 AliTPC *TPC = new AliTPCv2("TPC","Default");
265 //=================== TOF parameters ============================
266 AliTOF *TOF = new AliTOFv6T0("TOF","normal TOF");
270 //=================== HMPID parameters ===========================
271 AliHMPID *HMPID = new AliHMPIDv2("HMPID","normal HMPID");
277 //=================== ZDC parameters ============================
279 AliZDC *ZDC = new AliZDCv3("ZDC","normal ZDC");
283 //=================== ACORDE parameters ============================
285 AliACORDE *ACORDE = new AliACORDEv1("ACORDE","normal ACORDE");
289 //=================== TRD parameters ============================
291 AliTRD *TRD = new AliTRDv1("TRD","TRD slow simulator");
295 //=================== FMD parameters ============================
297 AliFMD *FMD = new AliFMDv0("FMD","normal FMD");
301 //=================== MUON parameters ===========================
302 AliMUON *MUON = new AliMUONv1("MUON","default");
305 //=================== PHOS parameters ===========================
308 AliPHOS *PHOS = new AliPHOSv1("PHOS","GPS2");
313 //=================== PMD parameters ============================
315 AliPMD *PMD = new AliPMDv1("PMD","normal PMD");
316 PMD->SetPAR(1., 1., 0.8, 0.02);
317 PMD->SetIN(6., 18., -580., 27., 27.);
318 PMD->SetGEO(0.0, 0.2, 4.);
319 PMD->SetPadSize(0.8, 1.0, 1.0, 1.5);
324 //=================== T0 parameters ============================
325 AliT0 *T0 = new AliT0v1("T0","T0 Detector");