1 // One can use the configuration macro in compiled mode by
2 // root [0] gSystem->Load("libgeant321");
3 // root [0] gSystem->SetIncludePath("-I$ROOTSYS/include -I$ALICE_ROOT/include\
4 // -I$ALICE_ROOT -I$ALICE/geant3/TGeant3");
5 // root [0] .x grun.C(1,"ConfigHBT.C++")
7 #if !defined(__CINT__) || defined(__MAKECINT__)
11 #include <TVirtualMC.h>
13 #include "STEER/AliRunLoader.h"
14 #include "STEER/AliRun.h"
15 #include "STEER/AliConfig.h"
16 #include "PYTHIA6/AliDecayerPythia.h"
17 #include "EVGEN/AliGenCocktailAfterBurner.h"
18 #include "TMEVSIM/AliMevSimConfig.h"
19 #include "TMEVSIM/AliMevSimParticle.h"
20 #include "TMEVSIM/AliGenMevSim.h"
21 #include "THbtp/AliGenHBTprocessor.h"
22 #include "STRUCT/AliBODY.h"
23 #include "STRUCT/AliMAG.h"
24 #include "STRUCT/AliABSOv3.h"
25 #include "STRUCT/AliDIPOv3.h"
26 #include "STRUCT/AliHALLv3.h"
27 #include "STRUCT/AliFRAMEv2.h"
28 #include "STRUCT/AliSHILv3.h"
29 #include "STRUCT/AliPIPEv3.h"
30 #include "ITS/AliITSvPPRasymmFMD.h"
31 #include "TPC/AliTPCv2.h"
32 #include "TOF/AliTOFv6T0.h"
33 #include "HMPID/AliHMPIDv1.h"
34 #include "ZDC/AliZDCv1.h"
35 #include "TRD/AliTRDv1.h"
36 #include "FMD/AliFMDv1.h"
37 #include "MUON/AliMUONv1.h"
38 #include "PHOS/AliPHOSv1.h"
39 #include "PMD/AliPMDv1.h"
40 #include "T0/AliT0v1.h"
41 #include "EMCAL/AliEMCALv2.h"
42 #include "ACORDE/AliACORDEv1.h"
47 // Set Random Number seed
48 // gRandom->SetSeed(12345);
50 // libraries required by geant321
52 gSystem->Load("libgeant321");
55 new TGeant3TGeo("C++ Interface to Geant3");
57 if(!AliCDBManager::Instance()->IsDefaultStorageSet()){
58 AliCDBManager::Instance()->SetDefaultStorage("local://$ALICE_ROOT");
59 AliCDBManager::Instance()->SetRun(0);
62 cout<<"Config.C: Creating Run Loader ..."<<endl;
63 AliRunLoader* rl = AliRunLoader::Open("galice.root",AliConfig::GetDefaultEventFolderName(),
67 gAlice->Fatal("Config.C","Can not instatiate the Run Loader");
70 rl->SetCompressionLevel(2);
71 rl->SetNumberOfEventsPerFile(6);
72 gAlice->SetRunLoader(rl);
73 // gAlice->SetGeometryFromFile("geometry.root");
74 // gAlice->SetGeometryFromCDB();
76 // Set the trigger configuration
77 gAlice->SetTriggerDescriptor("Pb-Pb");
78 cout<<"Trigger configuration is set to Pb-Pb"<<endl;
81 // Set External decayer
82 AliDecayer *decayer = new AliDecayerPythia();
84 decayer->SetForceDecay(kAll);
86 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
95 gMC->SetProcess("DCAY",1);
96 gMC->SetProcess("PAIR",1);
97 gMC->SetProcess("COMP",1);
98 gMC->SetProcess("PHOT",1);
99 gMC->SetProcess("PFIS",0);
100 gMC->SetProcess("DRAY",0);
101 gMC->SetProcess("ANNI",1);
102 gMC->SetProcess("BREM",1);
103 gMC->SetProcess("MUNU",1);
104 gMC->SetProcess("CKOV",1);
105 gMC->SetProcess("HADR",1);
106 gMC->SetProcess("LOSS",2);
107 gMC->SetProcess("MULS",1);
108 gMC->SetProcess("RAYL",1);
110 Float_t cut = 1.e-3; // 1MeV cut by default
111 Float_t tofmax = 1.e10;
113 gMC->SetCut("CUTGAM", cut);
114 gMC->SetCut("CUTELE", cut);
115 gMC->SetCut("CUTNEU", cut);
116 gMC->SetCut("CUTHAD", cut);
117 gMC->SetCut("CUTMUO", cut);
118 gMC->SetCut("BCUTE", cut);
119 gMC->SetCut("BCUTM", cut);
120 gMC->SetCut("DCUTE", cut);
121 gMC->SetCut("DCUTM", cut);
122 gMC->SetCut("PPCUTM", cut);
123 gMC->SetCut("TOFMAX", tofmax);
126 if (gSystem->Getenv("CONFIG_NPARTICLES"))
128 int nParticles = atoi(gSystem->Getenv("CONFIG_NPARTICLES"));
131 int nParticles = 10000;
134 /*********************************************************************************/
135 /*********************************************************************************/
136 /***************** G E N E R A T O R S *********************************/
138 /** C O C K T A I L W I T H A F T E R B U R N E R S A F T E R W A R D S **/
139 /***************** (WRAPPER GENERATOR) *********************************/
143 AliGenCocktailAfterBurner* gener = new AliGenCocktailAfterBurner();
144 gener->SetPhiRange(0, 360);
145 gener->SetThetaRange(40., 140.);
146 gener->SetOrigin(0, 0, 0); //vertex position
147 gener->SetSigma(0, 0, 0); //Sigma in (X,Y,Z) (cm) on IP position
149 /***************** HIJING PARAMETRIZATION ********************************/
151 //AliGenHIJINGpara *g2 = new AliGenHIJINGpara(5);
152 //g2->SetMomentumRange(0, 999);
154 /***************** G E N B O X ***********************************/
156 // AliGenBox *g1 = new AliGenBox(5);
157 // g1->SetMomentumRange(0, 3);
158 // g1->SetOrigin(0,0,0); //vertex position
159 // g1->SetSigma(0,0,0); //Sigma in (X,Y,Z) (cm) on IP position
160 // g1->SetPart(310); //K0short(310), Lambda(3122)
163 /***************** M E V S I M ********************************/
165 AliMevSimConfig *c = new AliMevSimConfig(1);
166 c->SetRectPlane(1); // reaction plane control, model 4
169 AliGenMevSim *g3 = new AliGenMevSim(c);
170 g3->SetPtRange(0.001, 3);
171 g3->SetMomentumRange(0.1, 3);
173 g3->SetTrackingFlag(1);
174 g3->SetOrigin(0.0, 0.0, 0.0);
175 g3->SetSigma(0.0, 0.0, 0.0);
176 //g3->SetEtaCutRange(-4,4);
178 AliMevSimParticle *piPlus = new AliMevSimParticle(kPiPlus, 100, 3, 0.2, 0.01, 3, 0.1, 0.0, 0.0);
179 AliMevSimParticle *piMinus = new AliMevSimParticle(kPiMinus, 100, 3, 0.2, 0.01, 3, 0.1, 0.0, 0.0);
180 //AliMevSimParticle *KPlus = new AliMevSimParticle(kKPlus, 10, 0, 0.25, 0.0, 2, 0.15, 0.0, 0.0 );
181 //AliMevSimParticle *KMinus = new AliMevSimParticle(kKMinus, 10, 0, 0.25, 0.0, 2, 0.15, 0.0, 0.0 );
182 //AliMevSimParticle *protonPlus = new AliMevSimParticle(kProton, 3, 0, 0.4, 0.0, 2, 0.15, 0.0, 0.0);
183 //AliMevSimParticle *protonMinus = new AliMevSimParticle(kProtonBar, 2, 0, 0.4, 0.0, 2, 0.15, 0.0, 0.0);
185 g3->AddParticleType(piPlus);
186 g3->AddParticleType(piMinus);
187 //g3->AddParticleType(KPlus);
188 //g3->AddParticleType(KMinus);
189 //g3->AddParticleType(protonPlus);
190 //g3->AddParticleType(protonMinus);
193 /***************** H B T P R O C E S S O R ********************************/
195 AliGenHBTprocessor *hbtp = new AliGenHBTprocessor();
196 hbtp->SetRefControl(2);
197 hbtp->SetSwitch1D(1);
198 hbtp->SetSwitch3D(1);
199 hbtp->SetSwitchCoulomb(1);
200 hbtp->SetSwitchCoherence(0);
201 hbtp->SetSwitchFermiBose(-1);
202 hbtp->SetDeltap(0.1);
203 hbtp->SetDelChi(0.1);
204 hbtp->SetLambda(0.5);
207 hbtp->SetRParallel(8.0);
212 hbtp->SetPtRange(0.1,0.98);
213 hbtp->SetPIDs(211,-211); //pi+ pi-
214 hbtp->SetSwitchType(3); // fit both the like and unlike pair correl
215 hbtp->SetMaxIterations(300);
216 /***********************************************************************************/
218 // gener->AddGenerator(g2,"HIJING PARAMETRIZATION",1);
219 // gener->AddGenerator(g1,"BOX (K0short)",1);
220 gener->AddGenerator(g3,"MEVSIM",1);
222 gener->AddAfterBurner(hbtp,"HBT PROCESSOR",1);
226 // Activate this line if you want the vertex smearing to happen
229 //gener->SetVertexSmear(perTrack);
231 gAlice->SetField(-999, 2); //Specify maximum magnetic field in Tesla (neg. ==> default field)
232 // gAlice->SetField(-999, 2, 2.); //Specify maximum magnetic field in Tesla (neg. ==> default field)
233 //Last number indicates the scale factor
256 //=================== Alice BODY parameters =============================
257 AliBODY *BODY = new AliBODY("BODY", "Alice envelop");
262 //=================== MAG parameters ============================
263 // --- Start with Magnet since detector layouts may be depending ---
264 // --- on the selected Magnet dimensions ---
265 AliMAG *MAG = new AliMAG("MAG", "Magnet");
271 //=================== ABSO parameters ============================
272 AliABSO *ABSO = new AliABSOv3("ABSO", "Muon Absorber");
277 //=================== DIPO parameters ============================
279 AliDIPO *DIPO = new AliDIPOv3("DIPO", "Dipole version 3");
284 //=================== HALL parameters ============================
286 AliHALL *HALL = new AliHALLv3("HALL", "Alice Hall");
292 //=================== FRAME parameters ============================
294 AliFRAME *FRAME = new AliFRAMEv2("FRAME", "Space Frame");
300 //=================== SHIL parameters ============================
302 AliSHIL *SHIL = new AliSHILv3("SHIL", "Shielding");
308 //=================== PIPE parameters ============================
310 AliPIPE *PIPE = new AliPIPEv3("PIPE", "Beam Pipe");
315 //=================== ITS parameters ============================
317 // As the innermost detector in ALICE, the Inner Tracking System "impacts" on
318 // almost all other detectors. This involves the fact that the ITS geometry
319 // still has several options to be followed in parallel in order to determine
320 // the best set-up which minimizes the induced background. All the geometries
321 // available to date are described in the following. Read carefully the comments
322 // and use the default version (the only one uncommented) unless you are making
323 // comparisons and you know what you are doing. In this case just uncomment the
324 // ITS geometry you want to use and run Aliroot.
326 // Detailed geometries:
329 //AliITS *ITS = new AliITSv5symm("ITS","Updated ITS TDR detailed version with symmetric services");
331 //AliITS *ITS = new AliITSv5asymm("ITS","Updates ITS TDR detailed version with asymmetric services");
333 AliITSvPPRasymmFMD *ITS = new AliITSvPPRasymmFMD("ITS","New ITS PPR detailed version with asymmetric services");
334 ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer
335 ITS->SetReadDet(kFALSE); // don't touch this parameter if you're not an ITS developer
336 // ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRasymm2.det"); // don't touch this parameter if you're not an ITS developer
337 ITS->SetThicknessDet1(200.); // detector thickness on layer 1 must be in the range [100,300]
338 ITS->SetThicknessDet2(200.); // detector thickness on layer 2 must be in the range [100,300]
339 ITS->SetThicknessChip1(150.); // chip thickness on layer 1 must be in the range [150,300]
340 ITS->SetThicknessChip2(150.); // chip thickness on layer 2 must be in the range [150,300]
341 ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out
342 ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon
345 // Coarse geometries (warning: no hits are produced with these coarse geometries and they unuseful
346 // for reconstruction !):
349 //AliITSvPPRcoarseasymm *ITS = new AliITSvPPRcoarseasymm("ITS","New ITS PPR coarse version with asymmetric services");
350 //ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out
351 //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon
353 //AliITS *ITS = new AliITSvPPRcoarsesymm("ITS","New ITS PPR coarse version with symmetric services");
354 //ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out
355 //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon
359 // Geant3 <-> EUCLID conversion
360 // ============================
362 // SetEUCLID is a flag to output (=1) or not to output (=0) both geometry and
363 // media to two ASCII files (called by default ITSgeometry.euc and
364 // ITSgeometry.tme) in a format understandable to the CAD system EUCLID.
365 // The default (=0) means that you dont want to use this facility.
373 //============================ TPC parameters ===================
374 AliTPC *TPC = new AliTPCv2("TPC", "Default");
379 //=================== TOF parameters ============================
380 AliTOF *TOF = new AliTOFv6T0("TOF", "normal TOF");
385 //=================== HMPID parameters ===========================
386 AliHMPID *HMPID = new AliHMPIDv1("HMPID", "normal HMPID");
393 //=================== ZDC parameters ============================
395 AliZDC *ZDC = new AliZDCv1("ZDC", "normal ZDC");
400 //=================== ACORDE parameters ============================
402 AliACORDE *ACORDE = new AliACORDEv1("ACORDE", "normal ACORDE");
407 //=================== TRD parameters ============================
409 AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator");
414 //=================== FMD parameters ============================
416 AliFMD *FMD = new AliFMDv1("FMD", "normal FMD");
421 //=================== MUON parameters ===========================
423 AliMUON *MUON = new AliMUONv1("MUON", "default");
425 //=================== PHOS parameters ===========================
429 AliPHOS *PHOS = new AliPHOSv1("PHOS", "GPS2");
435 //=================== PMD parameters ============================
437 AliPMD *PMD = new AliPMDv1("PMD", "normal PMD");
439 PMD->SetPAR(1., 1., 0.8, 0.02);
440 PMD->SetIN(6., 18., -580., 27., 27.);
441 PMD->SetGEO(0.0, 0.2, 4.);
442 PMD->SetPadSize(0.8, 1.0, 1.0, 1.5);
445 if (iEMCAL && !iHMPID)
447 //=================== EMCAL parameters ============================
448 AliEMCAL *EMCAL = new AliEMCALv2("EMCAL", "SHISH_77_TRD1_2X2_FINAL_110DEG");
453 //=================== T0 parameters ============================
454 AliT0 *T0 = new AliT0v1("T0", "T0 Detector");