1 static Int_t eventsPerRun = 100;
6 static PprGeo_t geo = kHoles;
11 // Switch on Transition Radiation simulation. 6/12/00 18:00
12 // iZDC=1 7/12/00 09:00
13 // ThetaRange is (0., 180.). It was (0.28,179.72) 7/12/00 09:00
14 // Theta range given through pseudorapidity limits 22/6/2001
16 // Set Random Number seed
17 // gRandom->SetSeed(12345);
20 // libraries required by geant321
21 gSystem->Load("libgeant321");
23 new TGeant3("C++ Interface to Geant3");
25 if (!gSystem->Getenv("CONFIG_FILE"))
27 cout<<"Config.C: Creating Run Loader ..."<<endl;
28 AliRunLoader* rl = AliRunLoader::Open("galice.root",AliConfig::fgkDefaultEventFolderName,
32 gAlice->Fatal("Config.C","Can not instatiate the Run Loader");
35 rl->SetCompressionLevel(2);
36 rl->SetNumberOfEventsPerFile(3);
37 gAlice->SetRunLoader(rl);
42 // Set External decayer
43 TVirtualMCDecayer *decayer = new AliDecayerPythia();
45 decayer->SetForceDecay(kAll);
47 gMC->SetExternalDecayer(decayer);
48 //=======================================================================
49 // ************* STEERING parameters FOR ALICE SIMULATION **************
50 // --- Specify event type to be tracked through the ALICE setup
51 // --- All positions are in cm, angles in degrees, and P and E in GeV
54 gMC->SetProcess("DCAY",1);
55 gMC->SetProcess("PAIR",1);
56 gMC->SetProcess("COMP",1);
57 gMC->SetProcess("PHOT",1);
58 gMC->SetProcess("PFIS",0);
59 gMC->SetProcess("DRAY",0);
60 gMC->SetProcess("ANNI",1);
61 gMC->SetProcess("BREM",1);
62 gMC->SetProcess("MUNU",1);
63 gMC->SetProcess("CKOV",1);
64 gMC->SetProcess("HADR",1);
65 gMC->SetProcess("LOSS",2);
66 gMC->SetProcess("MULS",1);
67 gMC->SetProcess("RAYL",1);
69 Float_t cut = 1.e-3; // 1MeV cut by default
70 Float_t tofmax = 1.e10;
72 gMC->SetCut("CUTGAM", cut);
73 gMC->SetCut("CUTELE", cut);
74 gMC->SetCut("CUTNEU", cut);
75 gMC->SetCut("CUTHAD", cut);
76 gMC->SetCut("CUTMUO", cut);
77 gMC->SetCut("BCUTE", cut);
78 gMC->SetCut("BCUTM", cut);
79 gMC->SetCut("DCUTE", cut);
80 gMC->SetCut("DCUTM", cut);
81 gMC->SetCut("PPCUTM", cut);
82 gMC->SetCut("TOFMAX", tofmax);
86 if (gSystem->Getenv("CONFIG_NPARTICLES"))
88 int nParticles = atoi(gSystem->Getenv("CONFIG_NPARTICLES"));
93 AliGenCocktail *gener = new AliGenCocktail();
94 gener->SetPhiRange(220, 320);
95 // Set pseudorapidity range from -8 to 8.
96 Float_t thmin = EtaToTheta(0.12); // theta min. <---> eta max
97 Float_t thmax = EtaToTheta(-0.12); // theta max. <---> eta min
98 gener->SetThetaRange(thmin,thmax);
99 gener->SetOrigin(0, 0, 0); //vertex position
100 gener->SetSigma(0, 0, 0); //Sigma in (X,Y,Z) (cm) on IP position
102 AliGenHIJINGpara *hijingparam = new AliGenHIJINGpara(nParticles);
103 hijingparam->SetMomentumRange(0.2, 999);
104 gener->AddGenerator(hijingparam,"HIJING PARAM",1);
106 // AliGenBox *genbox = new AliGenBox(nParticles);
107 // genbox->SetPart(22);
108 // genbox->SetPtRange(0.3, 10.00);
109 // gener->AddGenerator(genbox,"GENBOX GAMMA for PHOS",1);
114 // Activate this line if you want the vertex smearing to happen
117 //gener->SetVertexSmear(perTrack);
119 AliMagFMaps* field = new AliMagFMaps("Maps","Maps", 2, 1., 10., 1);
120 gAlice->SetField(field);
145 //=================== Alice BODY parameters =============================
146 AliBODY *BODY = new AliBODY("BODY", "Alice envelop");
150 //=================== MAG parameters ============================
151 // --- Start with Magnet since detector layouts may be depending ---
152 // --- on the selected Magnet dimensions ---
153 AliMAG *MAG = new AliMAG("MAG", "Magnet");
159 //=================== ABSO parameters ============================
160 AliABSO *ABSO = new AliABSOv0("ABSO", "Muon Absorber");
165 //=================== DIPO parameters ============================
167 AliDIPO *DIPO = new AliDIPOv2("DIPO", "Dipole version 2");
172 //=================== HALL parameters ============================
174 AliHALL *HALL = new AliHALL("HALL", "Alice Hall");
180 //=================== FRAME parameters ============================
182 AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame");
192 //=================== SHIL parameters ============================
194 AliSHIL *SHIL = new AliSHILv2("SHIL", "Shielding Version 2");
200 //=================== PIPE parameters ============================
202 AliPIPE *PIPE = new AliPIPEv0("PIPE", "Beam Pipe");
207 //=================== ITS parameters ============================
209 // As the innermost detector in ALICE, the Inner Tracking System "impacts" on
210 // almost all other detectors. This involves the fact that the ITS geometry
211 // still has several options to be followed in parallel in order to determine
212 // the best set-up which minimizes the induced background. All the geometries
213 // available to date are described in the following. Read carefully the comments
214 // and use the default version (the only one uncommented) unless you are making
215 // comparisons and you know what you are doing. In this case just uncomment the
216 // ITS geometry you want to use and run Aliroot.
218 // Detailed geometries:
221 //AliITS *ITS = new AliITSv5symm("ITS","Updated ITS TDR detailed version with symmetric services");
223 //AliITS *ITS = new AliITSv5asymm("ITS","Updates ITS TDR detailed version with asymmetric services");
225 AliITSvPPRasymm *ITS = new AliITSvPPRasymm("ITS","New ITS PPR detailed version with asymmetric services");
226 ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer
227 ITS->SetReadDet(kFALSE); // don't touch this parameter if you're not an ITS developer
228 // ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRasymm2.det"); // don't touch this parameter if you're not an ITS developer
229 ITS->SetThicknessDet1(200.); // detector thickness on layer 1 must be in the range [100,300]
230 ITS->SetThicknessDet2(200.); // detector thickness on layer 2 must be in the range [100,300]
231 ITS->SetThicknessChip1(200.); // chip thickness on layer 1 must be in the range [150,300]
232 ITS->SetThicknessChip2(200.); // chip thickness on layer 2 must be in the range [150,300]
233 ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out
234 ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon
236 //AliITSvPPRsymm *ITS = new AliITSvPPRsymm("ITS","New ITS PPR detailed version with symmetric services");
237 //ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer
238 //ITS->SetReadDet(kFALSE); // don't touch this parameter if you're not an ITS developer
239 //ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRsymm2.det"); // don't touch this parameter if you're not an ITS developer
240 //ITS->SetThicknessDet1(200.); // detector thickness on layer 1 must be in the range [100,300]
241 //ITS->SetThicknessDet2(200.); // detector thickness on layer 2 must be in the range [100,300]
242 //ITS->SetThicknessChip1(200.); // chip thickness on layer 1 must be in the range [150,300]
243 //ITS->SetThicknessChip2(200.); // chip thickness on layer 2 must be in the range [150,300]
244 //ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out
245 //ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon
248 // Coarse geometries (warning: no hits are produced with these coarse geometries and they unuseful
249 // for reconstruction !):
252 //AliITSvPPRcoarseasymm *ITS = new AliITSvPPRcoarseasymm("ITS","New ITS PPR coarse version with asymmetric services");
253 //ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out
254 //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon
256 //AliITS *ITS = new AliITSvPPRcoarsesymm("ITS","New ITS PPR coarse version with symmetric services");
257 //ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out
258 //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon
262 // Geant3 <-> EUCLID conversion
263 // ============================
265 // SetEUCLID is a flag to output (=1) or not to output (=0) both geometry and
266 // media to two ASCII files (called by default ITSgeometry.euc and
267 // ITSgeometry.tme) in a format understandable to the CAD system EUCLID.
268 // The default (=0) means that you dont want to use this facility.
275 //============================ TPC parameters ================================
276 // --- This allows the user to specify sectors for the SLOW (TPC geometry 2)
277 // --- Simulator. SecAL (SecAU) <0 means that ALL lower (upper)
278 // --- sectors are specified, any value other than that requires at least one
279 // --- sector (lower or upper)to be specified!
280 // --- Reminder: sectors 1-24 are lower sectors (1-12 -> z>0, 13-24 -> z<0)
281 // --- sectors 25-72 are the upper ones (25-48 -> z>0, 49-72 -> z<0)
282 // --- SecLows - number of lower sectors specified (up to 6)
283 // --- SecUps - number of upper sectors specified (up to 12)
284 // --- Sens - sensitive strips for the Slow Simulator !!!
285 // --- This does NOT work if all S or L-sectors are specified, i.e.
286 // --- if SecAL or SecAU < 0
289 //-----------------------------------------------------------------------------
291 // gROOT->LoadMacro("SetTPCParam.C");
292 // AliTPCParam *param = SetTPCParam();
293 AliTPC *TPC = new AliTPCv2("TPC", "Default");
295 // All sectors included
303 //=================== TOF parameters ============================
304 AliTOF *TOF = new AliTOFv2FHoles("TOF", "TOF with Holes");
306 AliTOF *TOF = new AliTOFv4T0("TOF", "normal TOF");
313 //=================== RICH parameters ===========================
314 AliRICH *RICH = new AliRICHv3("RICH", "normal RICH");
321 //=================== ZDC parameters ============================
323 AliZDC *ZDC = new AliZDCv2("ZDC", "normal ZDC");
328 //=================== TRD parameters ============================
330 AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator");
332 // Select the gas mixture (0: 97% Xe + 3% isobutane, 1: 90% Xe + 10% CO2)
335 // With hole in front of PHOS
337 // With hole in front of RICH
341 AliTRDsim *TRDsim = TRD->CreateTR();
346 //=================== FMD parameters ============================
347 AliFMD *FMD = new AliFMDv1("FMD", "normal FMD");
348 FMD->SetRingsSi1(256);
349 FMD->SetRingsSi2(128);
350 FMD->SetSectorsSi1(20);
351 FMD->SetSectorsSi2(40);
356 //=================== MUON parameters ===========================
358 AliMUON *MUON = new AliMUONv1("MUON", "default");
360 //=================== PHOS parameters ===========================
364 AliPHOS *PHOS = new AliPHOSv1("PHOS", "IHEP");
370 //=================== PMD parameters ============================
371 AliPMD *PMD = new AliPMDv1("PMD", "normal PMD");
376 //=================== START parameters ============================
377 AliSTART *START = new AliSTARTv1("START", "START Detector");
382 //=================== EMCAL parameters ============================
383 AliEMCAL *EMCAL = new AliEMCALv1("EMCAL", "EMCALArch1a");
388 //=================== CRT parameters ============================
389 AliCRT *CRT = new AliCRTv0("CRT", "normal ACORDE");
394 //=================== CRT parameters ============================
395 AliVZERO *VZERO = new AliVZEROv2("VZERO", "normal VZERO");
400 Float_t EtaToTheta(Float_t arg){
401 return (180./TMath::Pi())*2.*atan(exp(-arg));