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0b5dd071 | 1 | static Int_t eventsPerRun = 100; |
2 | enum PprGeo_t | |
3 | { | |
4 | kHoles, kNoHoles | |
5 | }; | |
6 | static PprGeo_t geo = kHoles; | |
7 | ||
8 | void Config() | |
9 | { | |
10 | // 7-DEC-2000 09:00 | |
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 | |
15 | ||
16 | // Set Random Number seed | |
17 | // gRandom->SetSeed(12345); | |
18 | ||
19 | ||
20 | // libraries required by geant321 | |
21 | gSystem->Load("libgeant321"); | |
22 | ||
23 | new TGeant3("C++ Interface to Geant3"); | |
24 | ||
25 | if (!gSystem->Getenv("CONFIG_FILE")) | |
26 | { | |
27 | TFile *rootfile = new TFile("galice.root", "recreate"); | |
28 | ||
29 | rootfile->SetCompressionLevel(2); | |
30 | } | |
31 | ||
32 | TGeant3 *geant3 = (TGeant3 *) gMC; | |
33 | ||
34 | // | |
35 | // Set External decayer | |
36 | TVirtualMCDecayer *decayer = new AliDecayerPythia(); | |
37 | ||
38 | decayer->SetForceDecay(kAll); | |
39 | decayer->Init(); | |
40 | gMC->SetExternalDecayer(decayer); | |
41 | // | |
42 | // | |
43 | //======================================================================= | |
44 | // ******* GEANT STEERING parameters FOR ALICE SIMULATION ******* | |
45 | geant3->SetTRIG(1); //Number of events to be processed | |
46 | geant3->SetSWIT(4, 1); | |
47 | geant3->SetDEBU(0, 0, 1); | |
48 | //geant3->SetSWIT(2,2); | |
49 | geant3->SetDCAY(1); | |
50 | geant3->SetPAIR(1); | |
51 | geant3->SetCOMP(1); | |
52 | geant3->SetPHOT(1); | |
53 | geant3->SetPFIS(0); | |
54 | geant3->SetDRAY(0); | |
55 | geant3->SetANNI(1); | |
56 | geant3->SetBREM(1); | |
57 | geant3->SetMUNU(1); | |
58 | geant3->SetCKOV(1); | |
59 | geant3->SetHADR(1); //Select pure GEANH (HADR 1) or GEANH/NUCRIN (HADR 3) | |
60 | geant3->SetLOSS(2); | |
61 | geant3->SetMULS(1); | |
62 | geant3->SetRAYL(1); | |
63 | geant3->SetAUTO(1); //Select automatic STMIN etc... calc. (AUTO 1) or manual (AUTO 0) | |
64 | geant3->SetABAN(0); //Restore 3.16 behaviour for abandoned tracks | |
65 | geant3->SetOPTI(2); //Select optimisation level for GEANT geometry searches (0,1,2) | |
66 | geant3->SetERAN(5.e-7); | |
67 | ||
68 | Float_t cut = 1.e-3; // 1MeV cut by default | |
69 | Float_t tofmax = 1.e10; | |
70 | ||
71 | // GAM ELEC NHAD CHAD MUON EBREM MUHAB EDEL MUDEL MUPA TOFMAX | |
72 | geant3->SetCUTS(cut, cut, cut, cut, cut, cut, cut, cut, cut, cut, | |
73 | tofmax); | |
74 | // | |
75 | //======================================================================= | |
76 | // ************* STEERING parameters FOR ALICE SIMULATION ************** | |
77 | // --- Specify event type to be tracked through the ALICE setup | |
78 | // --- All positions are in cm, angles in degrees, and P and E in GeV | |
79 | ||
80 | Int_t process=1; | |
81 | GenTPHIC(process); | |
82 | ||
83 | // | |
84 | // Activate this line if you want the vertex smearing to happen | |
85 | // track by track | |
86 | // | |
87 | //gener->SetVertexSmear(perTrack); | |
88 | // Field (L3 0.4 T) | |
4642ac4b | 89 | TGeoGlobalMagField::Instance()->SetField(new AliMagF("Maps","Maps", 1., 1., AliMagF::k5kG)); |
0b5dd071 | 90 | rootfile->cd(); |
0b5dd071 | 91 | |
92 | ||
93 | Int_t iABSO = 0; | |
94 | Int_t iDIPO = 0; | |
95 | Int_t iFMD = 0; | |
96 | Int_t iFRAME = 0; | |
97 | Int_t iHALL = 0; | |
98 | Int_t iITS = 0; | |
99 | Int_t iMAG = 0; | |
100 | Int_t iMUON = 0; | |
101 | Int_t iPHOS = 0; | |
102 | Int_t iPIPE = 0; | |
103 | Int_t iPMD = 0; | |
f4b3bbb7 | 104 | Int_t iHMPID = 0; |
0b5dd071 | 105 | Int_t iSHIL = 0; |
ababa197 | 106 | Int_t iT0 = 0; |
0b5dd071 | 107 | Int_t iTOF = 0; |
108 | Int_t iTPC = 0; | |
109 | Int_t iTRD = 0; | |
110 | Int_t iZDC = 0; | |
111 | Int_t iEMCAL = 0; | |
b384f8a4 | 112 | Int_t iACORDE = 0; |
0b5dd071 | 113 | Int_t iVZERO = 0; |
114 | ||
115 | //=================== Alice BODY parameters ============================= | |
116 | AliBODY *BODY = new AliBODY("BODY", "Alice envelop"); | |
117 | ||
118 | if (iMAG) | |
119 | { | |
120 | //=================== MAG parameters ============================ | |
121 | // --- Start with Magnet since detector layouts may be depending --- | |
122 | // --- on the selected Magnet dimensions --- | |
123 | AliMAG *MAG = new AliMAG("MAG", "Magnet"); | |
124 | } | |
125 | ||
126 | ||
127 | if (iABSO) | |
128 | { | |
129 | //=================== ABSO parameters ============================ | |
130 | AliABSO *ABSO = new AliABSOv0("ABSO", "Muon Absorber"); | |
131 | } | |
132 | ||
133 | if (iDIPO) | |
134 | { | |
135 | //=================== DIPO parameters ============================ | |
136 | ||
137 | AliDIPO *DIPO = new AliDIPOv2("DIPO", "Dipole version 2"); | |
138 | } | |
139 | ||
140 | if (iHALL) | |
141 | { | |
142 | //=================== HALL parameters ============================ | |
143 | ||
144 | AliHALL *HALL = new AliHALL("HALL", "Alice Hall"); | |
145 | } | |
146 | ||
147 | ||
148 | if (iFRAME) | |
149 | { | |
150 | //=================== FRAME parameters ============================ | |
151 | ||
152 | AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame"); | |
153 | if (geo == kHoles) { | |
154 | FRAME->SetHoles(1); | |
155 | } else { | |
156 | FRAME->SetHoles(0); | |
157 | } | |
158 | } | |
159 | ||
160 | if (iSHIL) | |
161 | { | |
162 | //=================== SHIL parameters ============================ | |
163 | ||
164 | AliSHIL *SHIL = new AliSHILv2("SHIL", "Shielding Version 2"); | |
165 | } | |
166 | ||
167 | ||
168 | if (iPIPE) | |
169 | { | |
170 | //=================== PIPE parameters ============================ | |
171 | ||
172 | AliPIPE *PIPE = new AliPIPEv0("PIPE", "Beam Pipe"); | |
173 | } | |
174 | ||
175 | if(iITS) { | |
176 | ||
177 | //=================== ITS parameters ============================ | |
178 | // | |
179 | // As the innermost detector in ALICE, the Inner Tracking System "impacts" on | |
180 | // almost all other detectors. This involves the fact that the ITS geometry | |
181 | // still has several options to be followed in parallel in order to determine | |
182 | // the best set-up which minimizes the induced background. All the geometries | |
183 | // available to date are described in the following. Read carefully the comments | |
184 | // and use the default version (the only one uncommented) unless you are making | |
185 | // comparisons and you know what you are doing. In this case just uncomment the | |
186 | // ITS geometry you want to use and run Aliroot. | |
187 | // | |
188 | // Detailed geometries: | |
189 | // | |
190 | // | |
191 | //AliITS *ITS = new AliITSv5symm("ITS","Updated ITS TDR detailed version with symmetric services"); | |
192 | // | |
193 | //AliITS *ITS = new AliITSv5asymm("ITS","Updates ITS TDR detailed version with asymmetric services"); | |
194 | // | |
195 | AliITSvPPRasymm *ITS = new AliITSvPPRasymm("ITS","New ITS PPR detailed version with asymmetric services"); | |
196 | ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer | |
197 | ITS->SetReadDet(kFALSE); // don't touch this parameter if you're not an ITS developer | |
198 | // ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRasymm2.det"); // don't touch this parameter if you're not an ITS developer | |
199 | ITS->SetThicknessDet1(200.); // detector thickness on layer 1 must be in the range [100,300] | |
200 | ITS->SetThicknessDet2(200.); // detector thickness on layer 2 must be in the range [100,300] | |
201 | ITS->SetThicknessChip1(200.); // chip thickness on layer 1 must be in the range [150,300] | |
202 | ITS->SetThicknessChip2(200.); // chip thickness on layer 2 must be in the range [150,300] | |
203 | ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out | |
204 | ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon | |
205 | // | |
206 | //AliITSvPPRsymm *ITS = new AliITSvPPRsymm("ITS","New ITS PPR detailed version with symmetric services"); | |
207 | //ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer | |
208 | //ITS->SetReadDet(kFALSE); // don't touch this parameter if you're not an ITS developer | |
209 | //ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRsymm2.det"); // don't touch this parameter if you're not an ITS developer | |
210 | //ITS->SetThicknessDet1(200.); // detector thickness on layer 1 must be in the range [100,300] | |
211 | //ITS->SetThicknessDet2(200.); // detector thickness on layer 2 must be in the range [100,300] | |
212 | //ITS->SetThicknessChip1(200.); // chip thickness on layer 1 must be in the range [150,300] | |
213 | //ITS->SetThicknessChip2(200.); // chip thickness on layer 2 must be in the range [150,300] | |
214 | //ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out | |
215 | //ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon | |
216 | // | |
217 | // | |
218 | // Coarse geometries (warning: no hits are produced with these coarse geometries and they unuseful | |
219 | // for reconstruction !): | |
220 | // | |
221 | // | |
222 | //AliITSvPPRcoarseasymm *ITS = new AliITSvPPRcoarseasymm("ITS","New ITS PPR coarse version with asymmetric services"); | |
223 | //ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out | |
224 | //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon | |
225 | // | |
226 | //AliITS *ITS = new AliITSvPPRcoarsesymm("ITS","New ITS PPR coarse version with symmetric services"); | |
227 | //ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out | |
228 | //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon | |
229 | // | |
230 | // | |
231 | // | |
232 | // Geant3 <-> EUCLID conversion | |
233 | // ============================ | |
234 | // | |
235 | // SetEUCLID is a flag to output (=1) or not to output (=0) both geometry and | |
236 | // media to two ASCII files (called by default ITSgeometry.euc and | |
237 | // ITSgeometry.tme) in a format understandable to the CAD system EUCLID. | |
238 | // The default (=0) means that you dont want to use this facility. | |
239 | // | |
240 | ITS->SetEUCLID(0); | |
241 | } | |
242 | ||
243 | if (iTPC) | |
244 | { | |
245 | //============================ TPC parameters ================================ | |
246 | // --- This allows the user to specify sectors for the SLOW (TPC geometry 2) | |
247 | // --- Simulator. SecAL (SecAU) <0 means that ALL lower (upper) | |
248 | // --- sectors are specified, any value other than that requires at least one | |
249 | // --- sector (lower or upper)to be specified! | |
250 | // --- Reminder: sectors 1-24 are lower sectors (1-12 -> z>0, 13-24 -> z<0) | |
251 | // --- sectors 25-72 are the upper ones (25-48 -> z>0, 49-72 -> z<0) | |
252 | // --- SecLows - number of lower sectors specified (up to 6) | |
253 | // --- SecUps - number of upper sectors specified (up to 12) | |
254 | // --- Sens - sensitive strips for the Slow Simulator !!! | |
255 | // --- This does NOT work if all S or L-sectors are specified, i.e. | |
256 | // --- if SecAL or SecAU < 0 | |
257 | // | |
258 | // | |
259 | //----------------------------------------------------------------------------- | |
260 | ||
261 | // gROOT->LoadMacro("SetTPCParam.C"); | |
262 | // AliTPCParam *param = SetTPCParam(); | |
263 | AliTPC *TPC = new AliTPCv2("TPC", "Default"); | |
264 | ||
265 | // All sectors included | |
266 | TPC->SetSecAL(-1); | |
267 | TPC->SetSecAU(-1); | |
268 | ||
269 | } | |
270 | ||
271 | ||
272 | if (iTOF) { | |
273 | if (geo == kHoles) { | |
274 | //=================== TOF parameters ============================ | |
275 | AliTOF *TOF = new AliTOFv2FHoles("TOF", "TOF with Holes"); | |
276 | } else { | |
277 | AliTOF *TOF = new AliTOFv4T0("TOF", "normal TOF"); | |
278 | } | |
279 | } | |
280 | ||
281 | ||
f4b3bbb7 | 282 | if (iHMPID) |
0b5dd071 | 283 | { |
f4b3bbb7 | 284 | //=================== HMPID parameters =========================== |
285 | AliHMPID *HMPID = new AliHMPIDv3("HMPID", "normal HMPID"); | |
0b5dd071 | 286 | |
287 | } | |
288 | ||
289 | ||
290 | if (iZDC) | |
291 | { | |
292 | //=================== ZDC parameters ============================ | |
293 | ||
294 | AliZDC *ZDC = new AliZDCv2("ZDC", "normal ZDC"); | |
295 | } | |
296 | ||
297 | if (iTRD) | |
298 | { | |
299 | //=================== TRD parameters ============================ | |
300 | ||
301 | AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator"); | |
302 | ||
303 | // Select the gas mixture (0: 97% Xe + 3% isobutane, 1: 90% Xe + 10% CO2) | |
304 | TRD->SetGasMix(1); | |
305 | if (geo == kHoles) { | |
306 | // With hole in front of PHOS | |
307 | TRD->SetPHOShole(); | |
f4b3bbb7 | 308 | // With hole in front of HMPID |
309 | TRD->SetHMPIDhole(); | |
0b5dd071 | 310 | } |
311 | // Switch on TR | |
312 | AliTRDsim *TRDsim = TRD->CreateTR(); | |
313 | } | |
314 | ||
315 | if (iFMD) | |
316 | { | |
317 | //=================== FMD parameters ============================ | |
318 | AliFMD *FMD = new AliFMDv1("FMD", "normal FMD"); | |
319 | FMD->SetRingsSi1(256); | |
320 | FMD->SetRingsSi2(128); | |
321 | FMD->SetSectorsSi1(20); | |
322 | FMD->SetSectorsSi2(40); | |
323 | } | |
324 | ||
325 | if (iMUON) | |
326 | { | |
327 | //=================== MUON parameters =========================== | |
328 | ||
329 | AliMUON *MUON = new AliMUONv1("MUON", "default"); | |
330 | } | |
331 | //=================== PHOS parameters =========================== | |
332 | ||
333 | if (iPHOS) | |
334 | { | |
335 | AliPHOS *PHOS = new AliPHOSv1("PHOS", "IHEP"); | |
336 | } | |
337 | ||
338 | ||
339 | if (iPMD) | |
340 | { | |
341 | //=================== PMD parameters ============================ | |
342 | AliPMD *PMD = new AliPMDv1("PMD", "normal PMD"); | |
343 | } | |
344 | ||
ababa197 | 345 | if (iT0) |
0b5dd071 | 346 | { |
ababa197 | 347 | //=================== T0 parameters ============================ |
348 | AliT0 *T0 = new AliT0v1("T0", "T0 Detector"); | |
0b5dd071 | 349 | } |
350 | ||
351 | if (iEMCAL) | |
352 | { | |
353 | //=================== EMCAL parameters ============================ | |
8224b11d | 354 | AliEMCAL *EMCAL = new AliEMCALv2("EMCAL", "EMCAL_COMPLETE"); |
0b5dd071 | 355 | } |
356 | ||
b384f8a4 | 357 | if (iACORDE) |
0b5dd071 | 358 | { |
b384f8a4 | 359 | //=================== ACORDE parameters ============================ |
f7882672 | 360 | AliACORDE *ACORDE = new AliACORDEv1("ACORDE", "normal ACORDE"); |
0b5dd071 | 361 | } |
362 | ||
363 | if (iVZERO) | |
364 | { | |
b384f8a4 | 365 | //=================== ACORDE parameters ============================ |
0b5dd071 | 366 | AliVZERO *VZERO = new AliVZEROv2("VZERO", "normal VZERO"); |
367 | } | |
368 | ||
369 | } | |
370 | ||
371 | Float_t EtaToTheta(Float_t arg){ | |
372 | return (180./TMath::Pi())*2.*atan(exp(-arg)); | |
373 | } | |
374 | ||
375 | //----------------------------------------------------------------------------- | |
376 | GenTPHIC(Int_t process) | |
377 | { | |
378 | AliGenTPHIC *gener = new AliGenTPHIC(); | |
379 | ||
380 | gener->SetMomentumRange(0, 999); | |
381 | gener->SetPhiRange(0, 360); | |
382 | Float_t thmin = EtaToTheta(8); // theta min. <---> eta max | |
383 | Float_t thmax = EtaToTheta(-8); // theta max. <---> eta min | |
384 | gener->SetThetaRange(thmin,thmax); | |
385 | gener->SetOrigin(0, 0, 0); //vertex position | |
386 | gener->SetSigma(0, 0, 0); //Sigma in (X,Y,Z) (cm) on IP position | |
387 | ||
388 | // Set TPHIC-specific parameters | |
389 | gener->SetProcess(process); | |
390 | if (process == 1) { // gamma gamma -> X | |
391 | } | |
392 | else if (process == 2) { // gamma gamma -> eta_c | |
393 | gener->SetKfOnium(441); | |
394 | gener->SetGGwidthOnium(7.4e-06); | |
395 | } | |
396 | else if (process == 3) { // gamma gamma -> mu+ mu- | |
397 | gener->SetKfFermion = 13; | |
398 | } | |
399 | else if (process == 4) { // gamma gamma -> W+ W- | |
400 | gener->SetMggRange(70.,200.); | |
401 | gener->SetYggRange(-5.,5.); | |
402 | gener->SetLumFunName("lum_ca_70_200.dat"); | |
403 | gener->SetLumFunFlag(-1); | |
404 | } | |
405 | else if (process == 5) { // gamma gamma -> chi_1+ chi_1- (not implemented) | |
406 | } | |
407 | else if (process == 5) { // gamma gamma -> rho0 rho0 | |
408 | gener->SetKfVmesons(113,113); | |
409 | } | |
410 | ||
411 | gener->SetDebug(1); | |
412 | gener->SetEventListRange(1,10); | |
413 | gener->Init(); | |
414 | } |