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;
47 // Set Random Number seed
49 UInt_t curtime=dt.Get();
50 UInt_t procid=gSystem->GetPid();
51 UInt_t seed=curtime-procid;
53 // gRandom->SetSeed(seed);
54 gRandom->SetSeed(12345);
55 cerr<<"Seed for random number generation= "<<seed<<endl;
56 // Load Pythia libraries
58 // libraries required by geant321
60 gSystem->Load("libgeant321");
63 new TGeant3TGeo("C++ Interface to Geant3");
65 //=======================================================================
66 // Create the output file
68 if(!AliCDBManager::Instance()->IsDefaultStorageSet()){
69 AliCDBManager::Instance()->SetDefaultStorage("local://$ALICE_ROOT");
70 AliCDBManager::Instance()->SetRun(0);
75 cout<<"Config.C: Creating Run Loader ..."<<endl;
76 rl = AliRunLoader::Open("galice.root",
77 AliConfig::GetDefaultEventFolderName(),
81 gAlice->Fatal("Config.C","Can not instatiate the Run Loader");
84 rl->SetCompressionLevel(2);
85 rl->SetNumberOfEventsPerFile(3);
86 gAlice->SetRunLoader(rl);
87 // gAlice->SetGeometryFromFile("geometry.root");
88 // gAlice->SetGeometryFromCDB();
90 // Set the trigger configuration
91 gAlice->SetTriggerDescriptor("Pb-Pb");
92 cout<<"Trigger configuration is set to Pb-Pb"<<endl;
95 // Set External decayer
96 AliDecayer* decayer = new AliDecayerPythia();
97 decayer->SetForceDecay(kAll);
99 gMC->SetExternalDecayer(decayer);
103 //=======================================================================
104 // ************* STEERING parameters FOR ALICE SIMULATION **************
105 // --- Specify event type to be tracked through the ALICE setup
106 // --- All positions are in cm, angles in degrees, and P and E in GeV
108 gMC->SetProcess("DCAY",1);
109 gMC->SetProcess("PAIR",1);
110 gMC->SetProcess("COMP",1);
111 gMC->SetProcess("PHOT",1);
112 gMC->SetProcess("PFIS",0);
113 gMC->SetProcess("DRAY",0);
114 gMC->SetProcess("ANNI",1);
115 gMC->SetProcess("BREM",1);
116 gMC->SetProcess("MUNU",1);
117 gMC->SetProcess("CKOV",1);
118 gMC->SetProcess("HADR",1);
119 gMC->SetProcess("LOSS",2);
120 gMC->SetProcess("MULS",1);
121 gMC->SetProcess("RAYL",1);
123 Float_t cut = 1.e-3; // 1MeV cut by default
124 Float_t tofmax = 1.e10;
126 gMC->SetCut("CUTGAM", cut);
127 gMC->SetCut("CUTELE", cut);
128 gMC->SetCut("CUTNEU", cut);
129 gMC->SetCut("CUTHAD", cut);
130 gMC->SetCut("CUTMUO", cut);
131 gMC->SetCut("BCUTE", cut);
132 gMC->SetCut("BCUTM", cut);
133 gMC->SetCut("DCUTE", cut);
134 gMC->SetCut("DCUTM", cut);
135 gMC->SetCut("PPCUTM", cut);
136 gMC->SetCut("TOFMAX", tofmax);
139 // AliGenPythia *gener = new AliGenPythia(ntracks);
140 AliGenPythia *gener = new AliGenPythia(-1);
142 gener->SetMomentumRange(0,999);
143 gener->SetPhiRange(0.,360.);
144 gener->SetThetaRange(0,180);
145 gener->SetYRange(-999,999);
146 //gener->SetPtRange(0,100);
147 gener->SetOrigin(0,0,0); // vertex position
148 //gener->SetVertexSmear(kPerEvent);
149 gener->SetSigma(0,0,5.3); // Sigma in (X,Y,Z) (cm) on IP position
150 gener->SetTrackingFlag(0);
151 // gener->SetForceDecay(kHadronicD);
154 // The following settings select the Pythia parameters tuned to agree
155 // with beauty NLO calculation for Pb-Pb @ 5.5 TeV with MNR code.
157 gener->SetProcess(kPyBeautyPbPbMNR);
158 gener->SetStrucFunc(kCTEQ4L);
159 gener->SetPtHard(2.75,-1.0);
160 gener->SetEnergyCMS(5500.);
161 gener->SetNuclei(208,208); // Pb-Pb collisions
162 // Force no decay heavy quark mesons
163 gener->SetForceDecay(kNoDecayHeavy);
167 // Activate this line if you want the vertex smearing to happen
170 //gener->SetVertexSmear(perTrack);
173 AliMagFCM* field = new AliMagFCM(
174 "Map2","$(ALICE_ROOT)/data/field01.dat", 2, 1., 10.);
175 field->SetSolenoidField(4.);
176 gAlice->SetField(field);
198 //=================== Alice BODY parameters =============================
199 AliBODY *BODY = new AliBODY("BODY","Alice envelop");
202 //=================== MAG parameters ============================
203 // --- Start with Magnet since detector layouts may be depending ---
204 // --- on the selected Magnet dimensions ---
205 AliMAG *MAG = new AliMAG("MAG","Magnet");
210 //=================== ABSO parameters ============================
211 AliABSO *ABSO = new AliABSOv3("ABSO","Muon Absorber");
215 //=================== DIPO parameters ============================
217 AliDIPO *DIPO = new AliDIPOv3("DIPO","Dipole version 3");
221 //=================== HALL parameters ============================
223 AliHALL *HALL = new AliHALLv3("HALL","Alice Hall");
228 //=================== FRAME parameters ============================
230 AliFRAME *FRAME = new AliFRAMEv2("FRAME","Space Frame");
240 //=================== SHIL parameters ============================
242 AliSHIL *SHIL = new AliSHILv3("SHIL","Shielding");
247 //=================== PIPE parameters ============================
249 AliPIPE *PIPE = new AliPIPEv3("PIPE","Beam Pipe");
254 //=================== ITS parameters ============================
256 AliITSvPPRasymm *ITS = new AliITSvPPRasymm("ITS","New ITS PPR detailed version with asymmetric services");
261 //============================ TPC parameters ===================
262 AliTPC *TPC = new AliTPCv2("TPC","Default");
267 //=================== TOF parameters ============================
268 AliTOF *TOF = new AliTOFv6T0("TOF","normal TOF");
272 //=================== HMPID parameters ===========================
273 AliHMPID *HMPID = new AliHMPIDv2("HMPID","normal HMPID");
279 //=================== ZDC parameters ============================
281 AliZDC *ZDC = new AliZDCv3("ZDC","normal ZDC");
285 //=================== ACORDE parameters ============================
287 AliACORDE *ACORDE = new AliACORDEv1("ACORDE","normal ACORDE");
291 //=================== TRD parameters ============================
293 AliTRD *TRD = new AliTRDv1("TRD","TRD slow simulator");
297 //=================== FMD parameters ============================
299 AliFMD *FMD = new AliFMDv0("FMD","normal FMD");
303 //=================== MUON parameters ===========================
304 AliMUON *MUON = new AliMUONv1("MUON","default");
307 //=================== PHOS parameters ===========================
310 AliPHOS *PHOS = new AliPHOSv1("PHOS","GPS2");
315 //=================== PMD parameters ============================
317 AliPMD *PMD = new AliPMDv1("PMD","normal PMD");
318 PMD->SetPAR(1., 1., 0.8, 0.02);
319 PMD->SetIN(6., 18., -580., 27., 27.);
320 PMD->SetGEO(0.0, 0.2, 4.);
321 PMD->SetPadSize(0.8, 1.0, 1.0, 1.5);
326 //=================== T0 parameters ============================
327 AliT0 *T0 = new AliT0v1("T0","T0 Detector");
336 // Load Pythia related libraries
337 gSystem->Load("liblhapdf.so"); // Parton density functions
338 gSystem->Load("libEGPythia6.so"); // TGenerator interface
339 gSystem->Load("libpythia6.so"); // Pythia
340 gSystem->Load("libAliPythia6.so"); // ALICE specific implementations