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1 | static Int_t eventsPerRun = 100; |
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2 | void Config() |
3 | { |
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4 | // 7-DEC-2000 09:00 |
5 | // Switch on Transition Radiation simulation. 6/12/00 18:00 |
6 | // iZDC=1 7/12/00 09:00 |
7 | // ThetaRange is (0., 180.). It was (0.28,179.72) 7/12/00 09:00 |
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8 | // Theta range given through pseudorapidity limits 22/6/2001 |
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9 | |
10 | // Set Random Number seed |
11 | // gRandom->SetSeed(12345); |
12 | |
13 | new AliGeant3("C++ Interface to Geant3"); |
14 | |
15 | if (!gSystem->Getenv("CONFIG_FILE")) |
16 | { |
17 | TFile *rootfile = new TFile("galice.root", "recreate"); |
18 | |
19 | rootfile->SetCompressionLevel(2); |
20 | } |
21 | |
22 | TGeant3 *geant3 = (TGeant3 *) gMC; |
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23 | |
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24 | // |
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25 | // Set External decayer |
26 | AliDecayer *decayer = new AliDecayerPythia(); |
27 | |
28 | decayer->SetForceDecay(kAll); |
29 | decayer->Init(); |
30 | gMC->SetExternalDecayer(decayer); |
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31 | // |
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32 | // |
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33 | //======================================================================= |
34 | // ******* GEANT STEERING parameters FOR ALICE SIMULATION ******* |
35 | geant3->SetTRIG(1); //Number of events to be processed |
36 | geant3->SetSWIT(4, 10); |
37 | geant3->SetDEBU(0, 0, 1); |
38 | //geant3->SetSWIT(2,2); |
39 | geant3->SetDCAY(1); |
40 | geant3->SetPAIR(1); |
41 | geant3->SetCOMP(1); |
42 | geant3->SetPHOT(1); |
43 | geant3->SetPFIS(0); |
44 | geant3->SetDRAY(0); |
45 | geant3->SetANNI(1); |
46 | geant3->SetBREM(1); |
47 | geant3->SetMUNU(1); |
48 | geant3->SetCKOV(1); |
49 | geant3->SetHADR(1); //Select pure GEANH (HADR 1) or GEANH/NUCRIN (HADR 3) |
50 | geant3->SetLOSS(2); |
51 | geant3->SetMULS(1); |
52 | geant3->SetRAYL(1); |
53 | geant3->SetAUTO(1); //Select automatic STMIN etc... calc. (AUTO 1) or manual (AUTO 0) |
54 | geant3->SetABAN(0); //Restore 3.16 behaviour for abandoned tracks |
55 | geant3->SetOPTI(2); //Select optimisation level for GEANT geometry searches (0,1,2) |
56 | geant3->SetERAN(5.e-7); |
57 | |
58 | Float_t cut = 1.e-3; // 1MeV cut by default |
59 | Float_t tofmax = 1.e10; |
60 | |
61 | // GAM ELEC NHAD CHAD MUON EBREM MUHAB EDEL MUDEL MUPA TOFMAX |
62 | geant3->SetCUTS(cut, cut, cut, cut, cut, cut, cut, cut, cut, cut, |
63 | tofmax); |
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64 | // |
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65 | //======================================================================= |
66 | // ************* STEERING parameters FOR ALICE SIMULATION ************** |
67 | // --- Specify event type to be tracked through the ALICE setup |
68 | // --- All positions are in cm, angles in degrees, and P and E in GeV |
69 | if (gSystem->Getenv("CONFIG_NPARTICLES")) |
70 | { |
71 | int nParticles = atoi(gSystem->Getenv("CONFIG_NPARTICLES")); |
72 | } else |
73 | { |
74 | int nParticles = 50; |
75 | } |
76 | AliGenHIJINGpara *gener = new AliGenHIJINGpara(nParticles); |
77 | |
78 | gener->SetMomentumRange(0, 999); |
79 | gener->SetPhiRange(0, 360); |
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80 | // Set pseudorapidity range from -8 to 8. |
81 | Float_t thmin = EtaToTheta(8); // theta min. <---> eta max |
82 | Float_t thmax = EtaToTheta(-8); // theta max. <---> eta min |
83 | gener->SetThetaRange(thmin,thmax); |
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84 | gener->SetOrigin(0, 0, 0); //vertex position |
85 | gener->SetSigma(0, 0, 0); //Sigma in (X,Y,Z) (cm) on IP position |
86 | gener->Init(); |
87 | // |
88 | // Activate this line if you want the vertex smearing to happen |
89 | // track by track |
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90 | // |
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91 | //gener->SetVertexSmear(perTrack); |
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92 | |
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93 | gAlice->SetField(-999, 2); //Specify maximum magnetic field in Tesla (neg. ==> default field) |
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94 | |
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95 | Int_t iABSO = 1; |
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96 | Int_t iCRT = 1; |
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97 | Int_t iDIPO = 1; |
98 | Int_t iFMD = 1; |
99 | Int_t iFRAME = 1; |
100 | Int_t iHALL = 1; |
101 | Int_t iITS = 1; |
102 | Int_t iMAG = 1; |
103 | Int_t iMUON = 1; |
104 | Int_t iPHOS = 1; |
105 | Int_t iPIPE = 1; |
106 | Int_t iPMD = 1; |
107 | Int_t iRICH = 1; |
108 | Int_t iSHIL = 1; |
109 | Int_t iSTART = 1; |
110 | Int_t iTOF = 1; |
111 | Int_t iTPC = 1; |
112 | Int_t iTRD = 1; |
113 | Int_t iZDC = 1; |
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114 | Int_t iEMCAL = 0; |
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115 | |
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116 | //=================== Alice BODY parameters ============================= |
117 | AliBODY *BODY = new AliBODY("BODY", "Alice envelop"); |
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118 | |
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119 | |
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120 | if (iMAG) |
121 | { |
122 | //=================== MAG parameters ============================ |
123 | // --- Start with Magnet since detector layouts may be depending --- |
124 | // --- on the selected Magnet dimensions --- |
125 | AliMAG *MAG = new AliMAG("MAG", "Magnet"); |
126 | } |
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127 | |
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128 | |
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129 | if (iABSO) |
130 | { |
131 | //=================== ABSO parameters ============================ |
132 | AliABSO *ABSO = new AliABSOv0("ABSO", "Muon Absorber"); |
133 | } |
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134 | |
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135 | if (iDIPO) |
136 | { |
137 | //=================== DIPO parameters ============================ |
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138 | |
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139 | AliDIPO *DIPO = new AliDIPOv2("DIPO", "Dipole version 2"); |
140 | } |
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141 | |
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142 | if (iHALL) |
143 | { |
144 | //=================== HALL parameters ============================ |
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145 | |
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146 | AliHALL *HALL = new AliHALL("HALL", "Alice Hall"); |
147 | } |
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148 | |
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149 | |
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150 | if (iFRAME) |
151 | { |
152 | //=================== FRAME parameters ============================ |
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153 | |
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154 | AliFRAME *FRAME = new AliFRAMEv2("FRAME", "Space Frame"); |
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155 | |
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156 | } |
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157 | |
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158 | if (iSHIL) |
159 | { |
160 | //=================== SHIL parameters ============================ |
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161 | |
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162 | AliSHIL *SHIL = new AliSHILv2("SHIL", "Shielding"); |
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163 | } |
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164 | |
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165 | |
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166 | if (iPIPE) |
167 | { |
168 | //=================== PIPE parameters ============================ |
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169 | |
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170 | AliPIPE *PIPE = new AliPIPEv0("PIPE", "Beam Pipe"); |
171 | } |
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172 | |
173 | if(iITS) { |
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174 | |
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175 | //=================== ITS parameters ============================ |
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176 | // |
177 | // As the innermost detector in ALICE, the Inner Tracking System "impacts" on |
178 | // almost all other detectors. This involves the fact that the ITS geometry |
179 | // still has several options to be followed in parallel in order to determine |
180 | // the best set-up which minimizes the induced background. All the geometries |
181 | // available to date are described in the following. Read carefully the comments |
182 | // and use the default version (the only one uncommented) unless you are making |
183 | // comparisons and you know what you are doing. In this case just uncomment the |
184 | // ITS geometry you want to use and run Aliroot. |
185 | // |
186 | // Detailed geometries: |
187 | // |
188 | // |
189 | //AliITS *ITS = new AliITSv5symm("ITS","Updated ITS TDR detailed version with symmetric services"); |
190 | // |
191 | //AliITS *ITS = new AliITSv5asymm("ITS","Updates ITS TDR detailed version with asymmetric services"); |
192 | // |
193 | AliITSvPPRasymm *ITS = new AliITSvPPRasymm("ITS","New ITS PPR detailed version with asymmetric services"); |
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194 | ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer |
195 | ITS->SetReadDet(kFALSE); // don't touch this parameter if you're not an ITS developer |
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196 | // ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRasymm2.det"); // don't touch this parameter if you're not an ITS developer |
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197 | ITS->SetThicknessDet1(200.); // detector thickness on layer 1 must be in the range [100,300] |
198 | ITS->SetThicknessDet2(200.); // detector thickness on layer 2 must be in the range [100,300] |
199 | ITS->SetThicknessChip1(200.); // chip thickness on layer 1 must be in the range [150,300] |
200 | ITS->SetThicknessChip2(200.); // chip thickness on layer 2 must be in the range [150,300] |
201 | ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out |
202 | ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon |
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203 | // |
204 | //AliITSvPPRsymm *ITS = new AliITSvPPRsymm("ITS","New ITS PPR detailed version with symmetric services"); |
205 | //ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer |
206 | //ITS->SetReadDet(kFALSE); // don't touch this parameter if you're not an ITS developer |
207 | //ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRsymm2.det"); // don't touch this parameter if you're not an ITS developer |
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208 | //ITS->SetThicknessDet1(200.); // detector thickness on layer 1 must be in the range [100,300] |
209 | //ITS->SetThicknessDet2(200.); // detector thickness on layer 2 must be in the range [100,300] |
210 | //ITS->SetThicknessChip1(200.); // chip thickness on layer 1 must be in the range [150,300] |
211 | //ITS->SetThicknessChip2(200.); // chip thickness on layer 2 must be in the range [150,300] |
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212 | //ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out |
213 | //ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon |
214 | // |
215 | // |
216 | // Coarse geometries (warning: no hits are produced with these coarse geometries and they unuseful |
217 | // for reconstruction !): |
218 | // |
219 | // |
220 | //AliITSvPPRcoarseasymm *ITS = new AliITSvPPRcoarseasymm("ITS","New ITS PPR coarse version with asymmetric services"); |
221 | //ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out |
222 | //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon |
223 | // |
224 | //AliITS *ITS = new AliITSvPPRcoarsesymm("ITS","New ITS PPR coarse version with symmetric services"); |
225 | //ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out |
226 | //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon |
227 | // |
228 | // |
229 | // |
230 | // Geant3 <-> EUCLID conversion |
231 | // ============================ |
232 | // |
233 | // SetEUCLID is a flag to output (=1) or not to output (=0) both geometry and |
234 | // media to two ASCII files (called by default ITSgeometry.euc and |
235 | // ITSgeometry.tme) in a format understandable to the CAD system EUCLID. |
236 | // The default (=0) means that you dont want to use this facility. |
237 | // |
238 | ITS->SetEUCLID(0); |
239 | } |
240 | |
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241 | |
242 | if (iTPC) |
243 | { |
244 | //============================ TPC parameters ================================ |
245 | // --- This allows the user to specify sectors for the SLOW (TPC geometry 2) |
246 | // --- Simulator. SecAL (SecAU) <0 means that ALL lower (upper) |
247 | // --- sectors are specified, any value other than that requires at least one |
248 | // --- sector (lower or upper)to be specified! |
249 | // --- Reminder: sectors 1-24 are lower sectors (1-12 -> z>0, 13-24 -> z<0) |
250 | // --- sectors 25-72 are the upper ones (25-48 -> z>0, 49-72 -> z<0) |
251 | // --- SecLows - number of lower sectors specified (up to 6) |
252 | // --- SecUps - number of upper sectors specified (up to 12) |
253 | // --- Sens - sensitive strips for the Slow Simulator !!! |
254 | // --- This does NOT work if all S or L-sectors are specified, i.e. |
255 | // --- if SecAL or SecAU < 0 |
256 | // |
257 | // |
258 | //----------------------------------------------------------------------------- |
259 | |
260 | // gROOT->LoadMacro("SetTPCParam.C"); |
261 | // AliTPCParam *param = SetTPCParam(); |
262 | AliTPC *TPC = new AliTPCv2("TPC", "Default"); |
263 | |
264 | // All sectors included |
265 | TPC->SetSecAL(-1); |
266 | TPC->SetSecAU(-1); |
267 | |
268 | } |
269 | |
270 | if (iTOF) |
271 | { |
272 | //=================== TOF parameters ============================ |
273 | AliTOF *TOF = new AliTOFv2("TOF", "normal TOF"); |
274 | } |
275 | |
276 | if (iRICH) |
277 | { |
278 | //=================== RICH parameters =========================== |
279 | AliRICH *RICH = new AliRICHv1("RICH", "normal RICH"); |
280 | |
281 | } |
282 | |
283 | |
284 | if (iZDC) |
285 | { |
286 | //=================== ZDC parameters ============================ |
287 | |
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288 | AliZDC *ZDC = new AliZDCv2("ZDC", "normal ZDC"); |
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289 | } |
290 | |
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291 | if (iCRT) |
292 | { |
293 | //=================== CASTOR parameters ============================ |
294 | |
295 | AliCRT *CRT = new AliCRTv0("CRT", "normal CRT"); |
296 | } |
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297 | |
298 | if (iTRD) |
299 | { |
300 | //=================== TRD parameters ============================ |
301 | |
302 | AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator"); |
303 | |
304 | // Select the gas mixture (0: 97% Xe + 3% isobutane, 1: 90% Xe + 10% CO2) |
305 | TRD->SetGasMix(1); |
306 | |
307 | // With hole in front of PHOS |
308 | TRD->SetPHOShole(); |
309 | // With hole in front of RICH |
310 | TRD->SetRICHhole(); |
311 | // Switch on TR |
312 | AliTRDsim *TRDsim = TRD->CreateTR(); |
313 | } |
314 | |
315 | if (iFMD) |
316 | { |
317 | //=================== FMD parameters ============================ |
318 | |
319 | AliFMD *FMD = new AliFMDv1("FMD", "normal FMD"); |
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320 | FMD->SetRingsSi1(256); |
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321 | FMD->SetRingsSi2(64); |
322 | FMD->SetSectorsSi1(20); |
323 | FMD->SetSectorsSi2(24); |
324 | } |
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325 | |
326 | if (iMUON) |
327 | { |
328 | //=================== MUON parameters =========================== |
329 | |
330 | AliMUON *MUON = new AliMUONv1("MUON", "default"); |
331 | } |
332 | //=================== PHOS parameters =========================== |
333 | |
334 | if (iPHOS) |
335 | { |
336 | AliPHOS *PHOS = new AliPHOSv1("PHOS", "GPS2"); |
337 | } |
338 | |
339 | |
340 | if (iPMD) |
341 | { |
342 | //=================== PMD parameters ============================ |
343 | |
344 | AliPMD *PMD = new AliPMDv1("PMD", "normal PMD"); |
345 | |
346 | PMD->SetPAR(1., 1., 0.8, 0.02); |
347 | PMD->SetIN(6., 18., -580., 27., 27.); |
348 | PMD->SetGEO(0.0, 0.2, 4.); |
349 | PMD->SetPadSize(0.8, 1.0, 1.0, 1.5); |
350 | |
351 | } |
352 | |
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353 | if (iEMCAL && !iRICH) |
354 | { |
355 | //=================== EMCAL parameters ============================ |
356 | AliEMCAL *EMCAL = new AliEMCALv1("EMCAL", "EMCALArch1a"); |
357 | } |
358 | |
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359 | if (iSTART) |
360 | { |
361 | //=================== START parameters ============================ |
362 | AliSTART *START = new AliSTARTv1("START", "START Detector"); |
363 | } |
364 | |
365 | |
366 | } |
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367 | |
368 | Float_t EtaToTheta(Float_t arg){ |
369 | return (180./TMath::Pi())*2.*atan(exp(-arg)); |
370 | } |