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1 | void Config() |
2 | { |
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3 | // Set Random Number seed |
4 | // gRandom->SetSeed(12345); |
5 | |
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6 | // libraries required by geant321 |
7 | gSystem->Load("libgeant321"); |
8 | |
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9 | new TGeant3("C++ Interface to Geant3"); |
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10 | |
11 | if (!gSystem->Getenv("CONFIG_FILE")) |
12 | { |
13 | TFile *rootfile = new TFile("galice.root", "recreate"); |
14 | |
15 | rootfile->SetCompressionLevel(2); |
16 | } |
17 | |
18 | TGeant3 *geant3 = (TGeant3 *) gMC; |
19 | |
20 | // |
21 | // Set External decayer |
22 | AliDecayer *decayer = new AliDecayerPythia(); |
23 | |
24 | decayer->SetForceDecay(kAll); |
25 | decayer->Init(); |
26 | gMC->SetExternalDecayer(decayer); |
27 | // |
28 | // |
29 | //======================================================================= |
30 | // ******* GEANT STEERING parameters FOR ALICE SIMULATION ******* |
31 | geant3->SetTRIG(1); //Number of events to be processed |
32 | geant3->SetSWIT(4, 10); |
33 | geant3->SetDEBU(0, 0, 1); |
34 | //geant3->SetSWIT(2,2); |
35 | geant3->SetDCAY(1); |
36 | geant3->SetPAIR(1); |
37 | geant3->SetCOMP(1); |
38 | geant3->SetPHOT(1); |
39 | geant3->SetPFIS(0); |
40 | geant3->SetDRAY(0); |
41 | geant3->SetANNI(1); |
42 | geant3->SetBREM(1); |
43 | geant3->SetMUNU(1); |
44 | geant3->SetCKOV(1); |
45 | geant3->SetHADR(1); //Select pure GEANH (HADR 1) or GEANH/NUCRIN (HADR 3) |
46 | geant3->SetLOSS(2); |
47 | geant3->SetMULS(1); |
48 | geant3->SetRAYL(1); |
49 | geant3->SetAUTO(1); //Select automatic STMIN etc... calc. (AUTO 1) or manual (AUTO 0) |
50 | geant3->SetABAN(0); //Restore 3.16 behaviour for abandoned tracks |
51 | geant3->SetOPTI(2); //Select optimisation level for GEANT geometry searches (0,1,2) |
52 | geant3->SetERAN(5.e-7); |
53 | |
54 | Float_t cut = 1.e-3; // 1MeV cut by default |
55 | Float_t tofmax = 1.e10; |
56 | |
57 | // GAM ELEC NHAD CHAD MUON EBREM MUHAB EDEL MUDEL MUPA TOFMAX |
58 | geant3->SetCUTS(cut, cut, cut, cut, cut, cut, cut, cut, cut, cut, |
59 | tofmax); |
60 | // |
61 | //======================================================================= |
62 | // ************* STEERING parameters FOR ALICE SIMULATION ************** |
63 | // --- Specify event type to be tracked through the ALICE setup |
64 | // --- All positions are in cm, angles in degrees, and P and E in GeV |
65 | if (gSystem->Getenv("CONFIG_NPARTICLES")) |
66 | { |
67 | int nParticles = atoi(gSystem->Getenv("CONFIG_NPARTICLES")); |
68 | } else |
69 | { |
70 | int nParticles = 10000; |
71 | } |
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72 | |
73 | /*********************************************************************************/ |
74 | /*********************************************************************************/ |
75 | /***************** G E N E R A T O R S *********************************/ |
76 | |
77 | /** 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 **/ |
78 | /***************** (WRAPPER GENERATOR) *********************************/ |
79 | |
80 | |
81 | |
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82 | AliGenCocktailAfterBurner* gener = new AliGenCocktailAfterBurner(); |
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83 | gener->SetPhiRange(0, 360); |
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84 | gener->SetThetaRange(40., 140.); |
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85 | gener->SetOrigin(0, 0, 0); //vertex position |
86 | gener->SetSigma(0, 0, 0); //Sigma in (X,Y,Z) (cm) on IP position |
87 | |
88 | /***************** HIJING PARAMETRIZATION ********************************/ |
89 | |
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90 | //AliGenHIJINGpara *g2 = new AliGenHIJINGpara(5); |
91 | //g2->SetMomentumRange(0, 999); |
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92 | |
93 | /***************** G E N B O X ***********************************/ |
94 | |
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95 | // AliGenBox *g1 = new AliGenBox(5); |
96 | // g1->SetMomentumRange(0, 3); |
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97 | // g1->SetOrigin(0,0,0); //vertex position |
98 | // g1->SetSigma(0,0,0); //Sigma in (X,Y,Z) (cm) on IP position |
99 | // g1->SetPart(310); //K0short(310), Lambda(3122) |
100 | |
101 | |
102 | /***************** M E V S I M ********************************/ |
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103 | |
104 | AliMevSimConfig *c = new AliMevSimConfig(1); |
105 | c->SetRectPlane(1); // reaction plane control, model 4 |
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106 | c->SetGrid(80,80); |
107 | |
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108 | AliGenMevSim *g3 = new AliGenMevSim(c); |
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109 | g3->SetPtRange(0.001, 3); |
110 | g3->SetMomentumRange(0.1, 3); |
111 | |
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112 | g3->SetTrackingFlag(1); |
113 | g3->SetOrigin(0.0, 0.0, 0.0); |
114 | g3->SetSigma(0.0, 0.0, 0.0); |
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115 | //g3->SetEtaCutRange(-4,4); |
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116 | |
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117 | AliMevSimParticle *piPlus = new AliMevSimParticle(kPiPlus, 3000, 3, 0.2, 0.01, 3, 0.1, 0.0, 0.0); |
118 | AliMevSimParticle *piMinus = new AliMevSimParticle(kPiMinus, 3000, 3, 0.2, 0.01, 3, 0.1, 0.0, 0.0); |
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119 | //AliMevSimParticle *KPlus = new AliMevSimParticle(kKPlus, 10, 0, 0.25, 0.0, 2, 0.15, 0.0, 0.0 ); |
120 | //AliMevSimParticle *KMinus = new AliMevSimParticle(kKMinus, 10, 0, 0.25, 0.0, 2, 0.15, 0.0, 0.0 ); |
121 | //AliMevSimParticle *protonPlus = new AliMevSimParticle(kProton, 3, 0, 0.4, 0.0, 2, 0.15, 0.0, 0.0); |
122 | //AliMevSimParticle *protonMinus = new AliMevSimParticle(kProtonBar, 2, 0, 0.4, 0.0, 2, 0.15, 0.0, 0.0); |
123 | |
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124 | g3->AddParticleType(piPlus); |
125 | g3->AddParticleType(piMinus); |
126 | //g3->AddParticleType(KPlus); |
127 | //g3->AddParticleType(KMinus); |
128 | //g3->AddParticleType(protonPlus); |
129 | //g3->AddParticleType(protonMinus); |
130 | |
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131 | |
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132 | /***************** H B T P R O C E S S O R ********************************/ |
133 | |
134 | AliGenHBTprocessor *hbtp = new AliGenHBTprocessor(); |
135 | hbtp->SetRefControl(2); |
136 | hbtp->SetSwitch1D(1); |
137 | hbtp->SetSwitch3D(1); |
138 | hbtp->SetSwitchCoulomb(0); |
139 | hbtp->SetSwitchCoherence(0); |
140 | hbtp->SetSwitchFermiBose(1); |
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141 | hbtp->SetDeltap(0.1); |
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142 | hbtp->SetDelChi(0.1); |
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143 | hbtp->SetLambda(0.5); |
144 | hbtp->SetQ0(8.0); |
145 | hbtp->SetR0(8.0); |
146 | hbtp->SetRParallel(8.0); |
147 | hbtp->SetR1d(8.0); |
148 | hbtp->SetRSide(8.0); |
149 | hbtp->SetRLong(8.0); |
150 | hbtp->SetROut(8.0); |
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151 | hbtp->SetPtRange(0.1,0.98); |
152 | hbtp->SetPIDs(211,-211); //pi+ pi- |
153 | hbtp->SetSwitchType(3); // fit both the like and unlike pair correl |
154 | |
155 | /***********************************************************************************/ |
156 | |
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157 | // gener->AddGenerator(g2,"HIJING PARAMETRIZATION",1); |
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158 | // gener->AddGenerator(g1,"BOX (K0short)",1); |
159 | gener->AddGenerator(g3,"MEVSIM",1); |
160 | |
161 | gener->AddAfterBurner(hbtp,"HBT PROCESSOR",1); |
162 | |
163 | gener->Init(); |
164 | // |
165 | // Activate this line if you want the vertex smearing to happen |
166 | // track by track |
167 | // |
168 | //gener->SetVertexSmear(perTrack); |
169 | |
170 | gAlice->SetField(-999, 2); //Specify maximum magnetic field in Tesla (neg. ==> default field) |
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171 | // gAlice->SetField(-999, 2, 2.); //Specify maximum magnetic field in Tesla (neg. ==> default field) |
172 | //Last number indicates the scale factor |
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173 | |
174 | Int_t iABSO = 1; |
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175 | Int_t iCRT = 0; |
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176 | Int_t iDIPO = 1; |
177 | Int_t iFMD = 0; |
178 | Int_t iFRAME = 1; |
179 | Int_t iHALL = 1; |
180 | Int_t iITS = 1; |
181 | Int_t iMAG = 1; |
182 | Int_t iMUON = 0; |
183 | Int_t iPHOS = 0; |
184 | Int_t iPIPE = 1; |
185 | Int_t iPMD = 0; |
186 | Int_t iRICH = 0; |
187 | Int_t iSHIL = 1; |
188 | Int_t iSTART = 0; |
189 | Int_t iTOF = 0; |
190 | Int_t iTPC = 1; |
191 | Int_t iTRD = 0; |
192 | Int_t iZDC = 0; |
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193 | Int_t iEMCAL = 0; |
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194 | |
195 | //=================== Alice BODY parameters ============================= |
196 | AliBODY *BODY = new AliBODY("BODY", "Alice envelop"); |
197 | |
198 | |
199 | if (iMAG) |
200 | { |
201 | //=================== MAG parameters ============================ |
202 | // --- Start with Magnet since detector layouts may be depending --- |
203 | // --- on the selected Magnet dimensions --- |
204 | AliMAG *MAG = new AliMAG("MAG", "Magnet"); |
205 | } |
206 | |
207 | |
208 | if (iABSO) |
209 | { |
210 | //=================== ABSO parameters ============================ |
211 | AliABSO *ABSO = new AliABSOv0("ABSO", "Muon Absorber"); |
212 | } |
213 | |
214 | if (iDIPO) |
215 | { |
216 | //=================== DIPO parameters ============================ |
217 | |
218 | AliDIPO *DIPO = new AliDIPOv2("DIPO", "Dipole version 2"); |
219 | } |
220 | |
221 | if (iHALL) |
222 | { |
223 | //=================== HALL parameters ============================ |
224 | |
225 | AliHALL *HALL = new AliHALL("HALL", "Alice Hall"); |
226 | } |
227 | |
228 | |
229 | if (iFRAME) |
230 | { |
231 | //=================== FRAME parameters ============================ |
232 | |
233 | AliFRAME *FRAME = new AliFRAMEv2("FRAME", "Space Frame"); |
234 | |
235 | } |
236 | |
237 | if (iSHIL) |
238 | { |
239 | //=================== SHIL parameters ============================ |
240 | |
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241 | AliSHIL *SHIL = new AliSHILv2("SHIL", "Shielding"); |
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242 | } |
243 | |
244 | |
245 | if (iPIPE) |
246 | { |
247 | //=================== PIPE parameters ============================ |
248 | |
249 | AliPIPE *PIPE = new AliPIPEv0("PIPE", "Beam Pipe"); |
250 | } |
251 | |
252 | if(iITS) { |
253 | |
254 | //=================== ITS parameters ============================ |
255 | // |
256 | // As the innermost detector in ALICE, the Inner Tracking System "impacts" on |
257 | // almost all other detectors. This involves the fact that the ITS geometry |
258 | // still has several options to be followed in parallel in order to determine |
259 | // the best set-up which minimizes the induced background. All the geometries |
260 | // available to date are described in the following. Read carefully the comments |
261 | // and use the default version (the only one uncommented) unless you are making |
262 | // comparisons and you know what you are doing. In this case just uncomment the |
263 | // ITS geometry you want to use and run Aliroot. |
264 | // |
265 | // Detailed geometries: |
266 | // |
267 | // |
268 | //AliITS *ITS = new AliITSv5symm("ITS","Updated ITS TDR detailed version with symmetric services"); |
269 | // |
270 | //AliITS *ITS = new AliITSv5asymm("ITS","Updates ITS TDR detailed version with asymmetric services"); |
271 | // |
272 | AliITSvPPRasymm *ITS = new AliITSvPPRasymm("ITS","New ITS PPR detailed version with asymmetric services"); |
273 | ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer |
274 | ITS->SetReadDet(kFALSE); // don't touch this parameter if you're not an ITS developer |
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275 | // ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRasymm2.det"); // don't touch this parameter if you're not an ITS developer |
276 | ITS->SetThicknessDet1(200.); // detector thickness on layer 1 must be in the range [100,300] |
277 | ITS->SetThicknessDet2(200.); // detector thickness on layer 2 must be in the range [100,300] |
278 | ITS->SetThicknessChip1(200.); // chip thickness on layer 1 must be in the range [150,300] |
279 | ITS->SetThicknessChip2(200.); // chip thickness on layer 2 must be in the range [150,300] |
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280 | ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out |
281 | ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon |
282 | // |
283 | //AliITSvPPRsymm *ITS = new AliITSvPPRsymm("ITS","New ITS PPR detailed version with symmetric services"); |
284 | //ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer |
285 | //ITS->SetReadDet(kFALSE); // don't touch this parameter if you're not an ITS developer |
286 | //ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRsymm2.det"); // don't touch this parameter if you're not an ITS developer |
287 | //ITS->SetThicknessDet1(300.); // detector thickness on layer 1 must be in the range [100,300] |
288 | //ITS->SetThicknessDet2(300.); // detector thickness on layer 2 must be in the range [100,300] |
289 | //ITS->SetThicknessChip1(300.); // chip thickness on layer 1 must be in the range [150,300] |
290 | //ITS->SetThicknessChip2(300.); // chip thickness on layer 2 must be in the range [150,300] |
291 | //ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out |
292 | //ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon |
293 | // |
294 | // |
295 | // Coarse geometries (warning: no hits are produced with these coarse geometries and they unuseful |
296 | // for reconstruction !): |
297 | // |
298 | // |
299 | //AliITSvPPRcoarseasymm *ITS = new AliITSvPPRcoarseasymm("ITS","New ITS PPR coarse version with asymmetric services"); |
300 | //ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out |
301 | //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon |
302 | // |
303 | //AliITS *ITS = new AliITSvPPRcoarsesymm("ITS","New ITS PPR coarse version with symmetric services"); |
304 | //ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out |
305 | //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon |
306 | // |
307 | // |
308 | // |
309 | // Geant3 <-> EUCLID conversion |
310 | // ============================ |
311 | // |
312 | // SetEUCLID is a flag to output (=1) or not to output (=0) both geometry and |
313 | // media to two ASCII files (called by default ITSgeometry.euc and |
314 | // ITSgeometry.tme) in a format understandable to the CAD system EUCLID. |
315 | // The default (=0) means that you dont want to use this facility. |
316 | // |
317 | ITS->SetEUCLID(0); |
318 | } |
319 | |
320 | |
321 | if (iTPC) |
322 | { |
323 | //============================ TPC parameters ================================ |
324 | // --- This allows the user to specify sectors for the SLOW (TPC geometry 2) |
325 | // --- Simulator. SecAL (SecAU) <0 means that ALL lower (upper) |
326 | // --- sectors are specified, any value other than that requires at least one |
327 | // --- sector (lower or upper)to be specified! |
328 | // --- Reminder: sectors 1-24 are lower sectors (1-12 -> z>0, 13-24 -> z<0) |
329 | // --- sectors 25-72 are the upper ones (25-48 -> z>0, 49-72 -> z<0) |
330 | // --- SecLows - number of lower sectors specified (up to 6) |
331 | // --- SecUps - number of upper sectors specified (up to 12) |
332 | // --- Sens - sensitive strips for the Slow Simulator !!! |
333 | // --- This does NOT work if all S or L-sectors are specified, i.e. |
334 | // --- if SecAL or SecAU < 0 |
335 | // |
336 | // |
337 | //----------------------------------------------------------------------------- |
338 | |
339 | // gROOT->LoadMacro("SetTPCParam.C"); |
340 | // AliTPCParam *param = SetTPCParam(); |
341 | AliTPC *TPC = new AliTPCv2("TPC", "Default"); |
342 | |
343 | // All sectors included |
344 | TPC->SetSecAL(-1); |
345 | TPC->SetSecAU(-1); |
346 | |
347 | } |
348 | |
349 | if (iTOF) |
350 | { |
351 | //=================== TOF parameters ============================ |
352 | AliTOF *TOF = new AliTOFv2("TOF", "normal TOF"); |
353 | } |
354 | |
355 | if (iRICH) |
356 | { |
357 | //=================== RICH parameters =========================== |
358 | AliRICH *RICH = new AliRICHv1("RICH", "normal RICH"); |
359 | |
360 | } |
361 | |
362 | |
363 | if (iZDC) |
364 | { |
365 | //=================== ZDC parameters ============================ |
366 | |
367 | AliZDC *ZDC = new AliZDCv1("ZDC", "normal ZDC"); |
368 | } |
369 | |
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370 | if (iCRT) |
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371 | { |
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372 | //=================== CRT parameters ============================ |
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373 | |
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374 | AliCRT *CRT = new AliCRTv1("CRT", "normal CRT"); |
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375 | } |
376 | |
377 | if (iTRD) |
378 | { |
379 | //=================== TRD parameters ============================ |
380 | |
381 | AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator"); |
382 | |
383 | // Select the gas mixture (0: 97% Xe + 3% isobutane, 1: 90% Xe + 10% CO2) |
384 | TRD->SetGasMix(1); |
385 | |
386 | // With hole in front of PHOS |
387 | TRD->SetPHOShole(); |
388 | // With hole in front of RICH |
389 | TRD->SetRICHhole(); |
390 | // Switch on TR |
391 | AliTRDsim *TRDsim = TRD->CreateTR(); |
392 | } |
393 | |
394 | if (iFMD) |
395 | { |
396 | //=================== FMD parameters ============================ |
397 | |
398 | AliFMD *FMD = new AliFMDv1("FMD", "normal FMD"); |
399 | } |
400 | |
401 | if (iMUON) |
402 | { |
403 | //=================== MUON parameters =========================== |
404 | |
405 | AliMUON *MUON = new AliMUONv1("MUON", "default"); |
406 | } |
407 | //=================== PHOS parameters =========================== |
408 | |
409 | if (iPHOS) |
410 | { |
411 | AliPHOS *PHOS = new AliPHOSv1("PHOS", "GPS2"); |
412 | } |
413 | |
414 | |
415 | if (iPMD) |
416 | { |
417 | //=================== PMD parameters ============================ |
418 | |
419 | AliPMD *PMD = new AliPMDv1("PMD", "normal PMD"); |
420 | |
421 | PMD->SetPAR(1., 1., 0.8, 0.02); |
422 | PMD->SetIN(6., 18., -580., 27., 27.); |
423 | PMD->SetGEO(0.0, 0.2, 4.); |
424 | PMD->SetPadSize(0.8, 1.0, 1.0, 1.5); |
425 | |
426 | } |
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427 | if (iEMCAL && !iRICH) |
428 | { |
429 | //=================== EMCAL parameters ============================ |
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430 | AliEMCAL *EMCAL = new AliEMCALv1("EMCAL", "G56_2_55_19_104_14"); |
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431 | } |
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432 | |
433 | if (iSTART) |
434 | { |
435 | //=================== START parameters ============================ |
436 | AliSTART *START = new AliSTARTv1("START", "START Detector"); |
437 | } |
438 | |
439 | |
440 | } |