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/AliABSOv0.h"
17 #include "STRUCT/AliDIPOv2.h"
18 #include "STRUCT/AliHALL.h"
19 #include "STRUCT/AliFRAMEv2.h"
20 #include "STRUCT/AliSHILv2.h"
21 #include "STRUCT/AliPIPEv0.h"
22 #include "ITS/AliITSvPPRasymm.h"
23 #include "TPC/AliTPCv2.h"
24 #include "TOF/AliTOFv4T0.h"
25 #include "RICH/AliRICHv1.h"
26 #include "ZDC/AliZDCv1.h"
27 #include "TRD/AliTRDv1.h"
28 #include "FMD/AliFMDv0.h"
29 #include "MUON/AliMUONv1.h"
30 #include "MUON/AliMUONSt1GeometryBuilder.h"
31 #include "MUON/AliMUONSt2GeometryBuilder.h"
32 #include "MUON/AliMUONSlatGeometryBuilder.h"
33 #include "MUON/AliMUONTriggerGeometryBuilder.h"
34 #include "PHOS/AliPHOSv1.h"
35 #include "PMD/AliPMDv1.h"
36 #include "START/AliSTARTv1.h"
37 #include "CRT/AliCRTv1.h"
44 // Set Random Number seed
46 UInt_t curtime=dt.Get();
47 UInt_t procid=gSystem->GetPid();
48 UInt_t seed=curtime-procid;
50 // gRandom->SetSeed(seed);
51 gRandom->SetSeed(12345);
52 cerr<<"Seed for random number generation= "<<seed<<endl;
54 // libraries required by geant321
56 gSystem->Load("libgeant321");
59 new TGeant3("C++ Interface to Geant3");
61 //=======================================================================
62 // Create the output file
66 cout<<"Config.C: Creating Run Loader ..."<<endl;
67 rl = AliRunLoader::Open("galice.root",
68 AliConfig::fgkDefaultEventFolderName,
72 gAlice->Fatal("Config.C","Can not instatiate the Run Loader");
75 rl->SetCompressionLevel(2);
76 rl->SetNumberOfEventsPerFile(3);
77 gAlice->SetRunLoader(rl);
80 // Set External decayer
81 AliDecayer* decayer = new AliDecayerPythia();
82 decayer->SetForceDecay(kAll);
84 gMC->SetExternalDecayer(decayer);
88 //=======================================================================
89 // ************* STEERING parameters FOR ALICE SIMULATION **************
90 // --- Specify event type to be tracked through the ALICE setup
91 // --- All positions are in cm, angles in degrees, and P and E in GeV
94 gMC->SetProcess("DCAY",1);
95 gMC->SetProcess("PAIR",1);
96 gMC->SetProcess("COMP",1);
97 gMC->SetProcess("PHOT",1);
98 gMC->SetProcess("PFIS",0);
99 gMC->SetProcess("DRAY",0);
100 gMC->SetProcess("ANNI",1);
101 gMC->SetProcess("BREM",1);
102 gMC->SetProcess("MUNU",1);
103 gMC->SetProcess("CKOV",1);
104 gMC->SetProcess("HADR",1);
105 gMC->SetProcess("LOSS",2);
106 gMC->SetProcess("MULS",1);
107 gMC->SetProcess("RAYL",1);
109 Float_t cut = 1.e-3; // 1MeV cut by default
110 Float_t tofmax = 1.e10;
112 gMC->SetCut("CUTGAM", cut);
113 gMC->SetCut("CUTELE", cut);
114 gMC->SetCut("CUTNEU", cut);
115 gMC->SetCut("CUTHAD", cut);
116 gMC->SetCut("CUTMUO", cut);
117 gMC->SetCut("BCUTE", cut);
118 gMC->SetCut("BCUTM", cut);
119 gMC->SetCut("DCUTE", cut);
120 gMC->SetCut("DCUTM", cut);
121 gMC->SetCut("PPCUTM", cut);
122 gMC->SetCut("TOFMAX", tofmax);
125 // AliGenPythia *gener = new AliGenPythia(ntracks);
126 AliGenPythia *gener = new AliGenPythia(-1);
128 gener->SetMomentumRange(0,999);
129 gener->SetPhiRange(0., 360.);
130 gener->SetThetaRange(0,180);
131 gener->SetYRange(-999,999);
132 //gener->SetPtRange(0,100);
133 gener->SetOrigin(0,0,0); // vertex position
134 //gener->SetVertexSmear(kPerEvent);
135 gener->SetSigma(0,0,5.3); // Sigma in (X,Y,Z) (cm) on IP position
136 gener->SetTrackingFlag(0);
137 // gener->SetForceDecay(kHadronicD);
140 // The following settings select the Pythia parameters tuned to agree
141 // with charm NLO calculation for Pb-Pb @ 5.5 TeV with MNR code.
143 gener->SetProcess(kPyCharmPbPbMNR);
144 gener->SetStrucFunc(kCTEQ4L);
145 gener->SetPtHard(2.1,-1.0);
146 gener->SetEnergyCMS(5500.);
147 gener->SetNuclei(208,208); // Pb-Pb collisions
151 // Activate this line if you want the vertex smearing to happen
154 //gener->SetVertexSmear(perTrack);
157 AliMagFCM* field = new AliMagFCM(
158 "Map2","$(ALICE_ROOT)/data/field01.dat", 2, 1., 10.);
159 field->SetSolenoidField(4.);
160 gAlice->SetField(field);
182 //=================== Alice BODY parameters =============================
183 AliBODY *BODY = new AliBODY("BODY","Alice envelop");
186 //=================== MAG parameters ============================
187 // --- Start with Magnet since detector layouts may be depending ---
188 // --- on the selected Magnet dimensions ---
189 AliMAG *MAG = new AliMAG("MAG","Magnet");
194 //=================== ABSO parameters ============================
195 AliABSO *ABSO = new AliABSOv0("ABSO","Muon Absorber");
199 //=================== DIPO parameters ============================
201 AliDIPO *DIPO = new AliDIPOv2("DIPO","Dipole version 2");
205 //=================== HALL parameters ============================
207 AliHALL *HALL = new AliHALL("HALL","Alice Hall");
212 //=================== FRAME parameters ============================
214 AliFRAME *FRAME = new AliFRAMEv2("FRAME","Space Frame");
219 //=================== SHIL parameters ============================
221 AliSHIL *SHIL = new AliSHILv2("SHIL","Shielding");
226 //=================== PIPE parameters ============================
228 AliPIPE *PIPE = new AliPIPEv0("PIPE","Beam Pipe");
234 //=================== ITS parameters ============================
236 // As the innermost detector in ALICE, the Inner Tracking System "impacts" on
237 // almost all other detectors. This involves the fact that the ITS geometry
238 // still has several options to be followed in parallel in order to determine
239 // the best set-up which minimizes the induced background. All the geometries
240 // available to date are described in the following. Read carefully the comments
241 // and use the default version (the only one uncommented) unless you are making
242 // comparisons and you know what you are doing. In this case just uncomment the
243 // ITS geometry you want to use and run Aliroot.
245 // Detailed geometries:
248 //AliITS *ITS = new AliITSv5symm("ITS","Updated ITS TDR detailed version with symmetric services");
250 //AliITS *ITS = new AliITSv5asymm("ITS","Updates ITS TDR detailed version with asymmetric services");
252 AliITSvPPRasymm *ITS = new AliITSvPPRasymm("ITS","New ITS PPR detailed version with asymmetric services");
253 ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer
254 ITS->SetReadDet(kFALSE); // don't touch this parameter if you're not an ITS developer
255 ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRasymm2.det"); // don't touch this parameter if you're not an ITS developer
256 ITS->SetThicknessDet1(200.); // detector thickness on layer 1 must be in the range [150,300]
257 ITS->SetThicknessDet2(200.); // detector thickness on layer 2 must be in the range [150,300]
258 ITS->SetThicknessChip1(200.); // chip thickness on layer 1 must be in the range [100,300]
259 ITS->SetThicknessChip2(200.); // chip thickness on layer 2 must be in the range [100,300]
260 ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out
261 ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon
263 //AliITSvPPRsymm *ITS = new AliITSvPPRsymm("ITS","New ITS PPR detailed version with symmetric services");
264 //ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer
265 //ITS->SetReadDet(kFALSE); // don't touch this parameter if you're not an ITS developer
266 //ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRsymm2.det"); // don't touch this parameter if you're not an ITS developer
267 //ITS->SetThicknessDet1(300.); // detector thickness on layer 1 must be in the range [150,300]
268 //ITS->SetThicknessDet2(300.); // detector thickness on layer 2 must be in the range [150,300]
269 //ITS->SetThicknessChip1(300.); // chip thickness on layer 1 must be in the range [100,300]
270 //ITS->SetThicknessChip2(300.); // chip thickness on layer 2 must be in the range [100,300]
271 //ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out
272 //ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon
275 // Coarse geometries (warning: no hits are produced with these coarse geometries and they unuseful
276 // for reconstruction !):
279 //AliITSvPPRcoarseasymm *ITS = new AliITSvPPRcoarseasymm("ITS","New ITS PPR coarse version with asymmetric services");
280 //ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out
281 //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon
283 //AliITS *ITS = new AliITSvPPRcoarsesymm("ITS","New ITS PPR coarse version with symmetric services");
284 //ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out
285 //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon
289 // Geant3 <-> EUCLID conversion
290 // ============================
292 // SetEUCLID is a flag to output (=1) or not to output (=0) both geometry and
293 // media to two ASCII files (called by default ITSgeometry.euc and
294 // ITSgeometry.tme) in a format understandable to the CAD system EUCLID.
295 // The default (=0) means that you dont want to use this facility.
302 //============================ TPC parameters ================================
303 // --- This allows the user to specify sectors for the SLOW (TPC geometry 2)
304 // --- Simulator. SecAL (SecAU) <0 means that ALL lower (upper)
305 // --- sectors are specified, any value other than that requires at least one
306 // --- sector (lower or upper)to be specified!
307 // --- Reminder: sectors 1-24 are lower sectors (1-12 -> z>0, 13-24 -> z<0)
308 // --- sectors 25-72 are the upper ones (25-48 -> z>0, 49-72 -> z<0)
309 // --- SecLows - number of lower sectors specified (up to 6)
310 // --- SecUps - number of upper sectors specified (up to 12)
311 // --- Sens - sensitive strips for the Slow Simulator !!!
312 // --- This does NOT work if all S or L-sectors are specified, i.e.
313 // --- if SecAL or SecAU < 0
316 //-----------------------------------------------------------------------------
318 // gROOT->LoadMacro("SetTPCParam.C");
319 // AliTPCParam *param = SetTPCParam();
320 AliTPC *TPC = new AliTPCv2("TPC","Default");
321 // All sectors included
329 //=================== TOF parameters ============================
330 AliTOF *TOF = new AliTOFv4T0("TOF","normal TOF");
334 //=================== RICH parameters ===========================
335 AliRICH *RICH = new AliRICHv1("RICH","normal RICH");
341 //=================== ZDC parameters ============================
343 AliZDC *ZDC = new AliZDCv1("ZDC","normal ZDC");
347 //=================== CRT parameters ============================
349 AliCRT *CRT = new AliCRTv1("CRT","normal CRT");
353 //=================== TRD parameters ============================
355 AliTRD *TRD = new AliTRDv1("TRD","TRD slow simulator");
357 // Select the gas mixture (0: 97% Xe + 3% isobutane, 1: 90% Xe + 10% CO2)
360 // With hole in front of PHOS
362 // With hole in front of RICH
365 AliTRDsim *TRDsim = TRD->CreateTR();
369 //=================== FMD parameters ============================
371 AliFMD *FMD = new AliFMDv0("FMD","normal FMD");
375 //=================== MUON parameters ===========================
376 AliMUON *MUON = new AliMUONv1("MUON","default");
377 MUON->AddGeometryBuilder(new AliMUONSt1GeometryBuilder(MUON));
378 MUON->AddGeometryBuilder(new AliMUONSt2GeometryBuilder(MUON));
379 MUON->AddGeometryBuilder(new AliMUONSlatGeometryBuilder(MUON));
380 MUON->AddGeometryBuilder(new AliMUONTriggerGeometryBuilder(MUON));
383 //=================== PHOS parameters ===========================
386 AliPHOS *PHOS = new AliPHOSv1("PHOS","GPS2");
390 //=================== CRT parameters ===========================
393 AliCRT *CRT = new AliCRTv1("CRT","Normal CRTGPS2");
398 //=================== PMD parameters ============================
400 AliPMD *PMD = new AliPMDv1("PMD","normal PMD");
401 PMD->SetPAR(1., 1., 0.8, 0.02);
402 PMD->SetIN(6., 18., -580., 27., 27.);
403 PMD->SetGEO(0.0, 0.2, 4.);
404 PMD->SetPadSize(0.8, 1.0, 1.0, 1.5);
409 //=================== START parameters ============================
410 AliSTART *START = new AliSTARTv1("START","START Detector");