4 // Switch on Transition Radiation simulation. 6/12/00 18:00
5 // iZDC=1 7/12/00 09:00
6 // ThetaRange is (0., 180.). It was (0.28,179.72) 7/12/00 09:00
8 // Set Random Number seed
9 // gRandom->SetSeed(12345);
11 new AliGeant3("C++ Interface to Geant3");
13 if (!gSystem->Getenv("CONFIG_FILE"))
15 TFile *rootfile = new TFile("galice.root", "recreate");
17 rootfile->SetCompressionLevel(2);
20 TGeant3 *geant3 = (TGeant3 *) gMC;
23 // Set External decayer
24 AliDecayer *decayer = new AliDecayerPythia();
26 decayer->SetForceDecay(kAll);
28 gMC->SetExternalDecayer(decayer);
31 //=======================================================================
32 // ******* GEANT STEERING parameters FOR ALICE SIMULATION *******
33 geant3->SetTRIG(1); //Number of events to be processed
34 geant3->SetSWIT(4, 10);
35 geant3->SetDEBU(0, 0, 1);
36 //geant3->SetSWIT(2,2);
47 geant3->SetHADR(1); //Select pure GEANH (HADR 1) or GEANH/NUCRIN (HADR 3)
51 geant3->SetAUTO(1); //Select automatic STMIN etc... calc. (AUTO 1) or manual (AUTO 0)
52 geant3->SetABAN(0); //Restore 3.16 behaviour for abandoned tracks
53 geant3->SetOPTI(2); //Select optimisation level for GEANT geometry searches (0,1,2)
54 geant3->SetERAN(5.e-7);
56 Float_t cut = 1.e-3; // 1MeV cut by default
57 Float_t tofmax = 1.e10;
59 // GAM ELEC NHAD CHAD MUON EBREM MUHAB EDEL MUDEL MUPA TOFMAX
60 geant3->SetCUTS(cut, cut, cut, cut, cut, cut, cut, cut, cut, cut,
63 //=======================================================================
64 // ************* STEERING parameters FOR ALICE SIMULATION **************
65 // --- Specify event type to be tracked through the ALICE setup
66 // --- All positions are in cm, angles in degrees, and P and E in GeV
68 if (gSystem->Getenv("CONFIG_NPARTICLES"))
70 int nParticles = atoi(gSystem->Getenv("CONFIG_NPARTICLES"));
75 AliGenHIJINGpara *gener = new AliGenHIJINGpara(nParticles);
77 gener->SetMomentumRange(0, 999);
78 gener->SetPhiRange(0, 360);
79 // gener->SetThetaRange(0.28,179.72);
80 gener->SetThetaRange(0., 180.);
81 gener->SetOrigin(0, 0, 0); //vertex position
82 gener->SetSigma(0, 0, 0); //Sigma in (X,Y,Z) (cm) on IP position
85 //********************************************
86 // Example for Mb Production with Pythia *
87 //********************************************
88 AliGenPythia *gener = new AliGenPythia(-1);
89 gener->SetMomentumRange(0,999);
90 gener->SetPhiRange(-180,180);
91 gener->SetThetaRange(0., 180.);
92 gener->SetYRange(-12,12);
93 gener->SetPtRange(0,1000);
94 gener->SetStrucFunc(kDO_Set_1);
95 gener->SetProcess(kPyMb);
96 gener->SetEnergyCMS(14000.);
100 // Activate this line if you want the vertex smearing to happen
103 //gener->SetVertexSmear(perTrack);
105 gAlice->SetField(-999, 2); //Specify maximum magnetic field in Tesla (neg. ==> default field)
128 //=================== Alice BODY parameters =============================
129 AliBODY *BODY = new AliBODY("BODY", "Alice envelop");
134 //=================== MAG parameters ============================
135 // --- Start with Magnet since detector layouts may be depending ---
136 // --- on the selected Magnet dimensions ---
137 AliMAG *MAG = new AliMAG("MAG", "Magnet");
143 //=================== ABSO parameters ============================
144 AliABSO *ABSO = new AliABSOv0("ABSO", "Muon Absorber");
149 //=================== DIPO parameters ============================
151 AliDIPO *DIPO = new AliDIPOv2("DIPO", "Dipole version 2");
156 //=================== HALL parameters ============================
158 AliHALL *HALL = new AliHALL("HALL", "Alice Hall");
164 //=================== FRAME parameters ============================
166 AliFRAME *FRAME = new AliFRAMEv2("FRAME", "Space Frame");
172 //=================== SHIL parameters ============================
174 AliSHIL *SHIL = new AliSHILv0("SHIL", "Shielding");
180 //=================== PIPE parameters ============================
182 AliPIPE *PIPE = new AliPIPEv0("PIPE", "Beam Pipe");
187 //=================== ITS parameters ============================
189 // As the innermost detector in ALICE, the Inner Tracking System "impacts" on
190 // almost all other detectors. This involves the fact that the ITS geometry
191 // still has several options to be followed in parallel in order to determine
192 // the best set-up which minimizes the induced background. All the geometries
193 // available to date are described in the following. Read carefully the comments
194 // and use the default version (the only one uncommented) unless you are making
195 // comparisons and you know what you are doing. In this case just uncomment the
196 // ITS geometry you want to use and run Aliroot.
198 // Detailed geometries:
201 //AliITS *ITS = new AliITSv5symm("ITS","Updated ITS TDR detailed version with symmetric services");
203 //AliITS *ITS = new AliITSv5asymm("ITS","Updates ITS TDR detailed version with asymmetric services");
205 AliITSvPPRasymm *ITS = new AliITSvPPRasymm("ITS","New ITS PPR detailed version with asymmetric services");
206 ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer
207 ITS->SetReadDet(kFALSE); // don't touch this parameter if you're not an ITS developer
208 ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRasymm2.det"); // don't touch this parameter if you're not an ITS developer
209 ITS->SetThicknessDet1(300.); // detector thickness on layer 1 must be in the range [100,300]
210 ITS->SetThicknessDet2(300.); // detector thickness on layer 2 must be in the range [100,300]
211 ITS->SetThicknessChip1(300.); // chip thickness on layer 1 must be in the range [150,300]
212 ITS->SetThicknessChip2(300.); // chip thickness on layer 2 must be in the range [150,300]
213 ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out
214 ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon
216 //AliITSvPPRsymm *ITS = new AliITSvPPRsymm("ITS","New ITS PPR detailed version with symmetric services");
217 //ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer
218 //ITS->SetReadDet(kFALSE); // don't touch this parameter if you're not an ITS developer
219 //ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRsymm2.det"); // don't touch this parameter if you're not an ITS developer
220 //ITS->SetThicknessDet1(300.); // detector thickness on layer 1 must be in the range [100,300]
221 //ITS->SetThicknessDet2(300.); // detector thickness on layer 2 must be in the range [100,300]
222 //ITS->SetThicknessChip1(300.); // chip thickness on layer 1 must be in the range [150,300]
223 //ITS->SetThicknessChip2(300.); // chip thickness on layer 2 must be in the range [150,300]
224 //ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out
225 //ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon
228 // Coarse geometries (warning: no hits are produced with these coarse geometries and they unuseful
229 // for reconstruction !):
232 //AliITSvPPRcoarseasymm *ITS = new AliITSvPPRcoarseasymm("ITS","New ITS PPR coarse version with asymmetric services");
233 //ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out
234 //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon
236 //AliITS *ITS = new AliITSvPPRcoarsesymm("ITS","New ITS PPR coarse version with symmetric services");
237 //ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out
238 //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon
242 // Geant3 <-> EUCLID conversion
243 // ============================
245 // SetEUCLID is a flag to output (=1) or not to output (=0) both geometry and
246 // media to two ASCII files (called by default ITSgeometry.euc and
247 // ITSgeometry.tme) in a format understandable to the CAD system EUCLID.
248 // The default (=0) means that you dont want to use this facility.
256 //============================ TPC parameters ================================
257 // --- This allows the user to specify sectors for the SLOW (TPC geometry 2)
258 // --- Simulator. SecAL (SecAU) <0 means that ALL lower (upper)
259 // --- sectors are specified, any value other than that requires at least one
260 // --- sector (lower or upper)to be specified!
261 // --- Reminder: sectors 1-24 are lower sectors (1-12 -> z>0, 13-24 -> z<0)
262 // --- sectors 25-72 are the upper ones (25-48 -> z>0, 49-72 -> z<0)
263 // --- SecLows - number of lower sectors specified (up to 6)
264 // --- SecUps - number of upper sectors specified (up to 12)
265 // --- Sens - sensitive strips for the Slow Simulator !!!
266 // --- This does NOT work if all S or L-sectors are specified, i.e.
267 // --- if SecAL or SecAU < 0
270 //-----------------------------------------------------------------------------
272 // gROOT->LoadMacro("SetTPCParam.C");
273 // AliTPCParam *param = SetTPCParam();
274 AliTPC *TPC = new AliTPCv2("TPC", "Default");
276 // All sectors included
284 //=================== TOF parameters ============================
285 AliTOF *TOF = new AliTOFv2("TOF", "normal TOF");
290 //=================== RICH parameters ===========================
291 AliRICH *RICH = new AliRICHv1("RICH", "normal RICH");
298 //=================== ZDC parameters ============================
300 AliZDC *ZDC = new AliZDCv1("ZDC", "normal ZDC");
305 //=================== CASTOR parameters ============================
307 AliCASTOR *CASTOR = new AliCASTORv1("CASTOR", "normal CASTOR");
312 //=================== TRD parameters ============================
314 AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator");
316 // Select the gas mixture (0: 97% Xe + 3% isobutane, 1: 90% Xe + 10% CO2)
319 // With hole in front of PHOS
321 // With hole in front of RICH
324 AliTRDsim *TRDsim = TRD->CreateTR();
329 //=================== FMD parameters ============================
331 AliFMD *FMD = new AliFMDv1("FMD", "normal FMD");
336 //=================== MUON parameters ===========================
338 AliMUON *MUON = new AliMUONv1("MUON", "default");
340 //=================== PHOS parameters ===========================
344 AliPHOS *PHOS = new AliPHOSv1("PHOS", "GPS2");
350 //=================== PMD parameters ============================
352 AliPMD *PMD = new AliPMDv1("PMD", "normal PMD");
354 PMD->SetPAR(1., 1., 0.8, 0.02);
355 PMD->SetIN(6., 18., -580., 27., 27.);
356 PMD->SetGEO(0.0, 0.2, 4.);
357 PMD->SetPadSize(0.8, 1.0, 1.0, 1.5);
360 if (iEMCAL!=0 && iRICH==0)
362 //=================== START parameters ============================
363 AliEMCAL *EMCAL = new AliEMCALv1("EMCAL", "EMCALArch1a");
368 //=================== START parameters ============================
369 AliSTART *START = new AliSTARTv1("START", "START Detector");