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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) | |
89 | AliMagFMaps* field = new AliMagFMaps("Maps","Maps", 2, 1., 10., 1); | |
90 | rootfile->cd(); | |
91 | gAlice->SetField(field); | |
92 | ||
93 | ||
94 | Int_t iABSO = 0; | |
95 | Int_t iDIPO = 0; | |
96 | Int_t iFMD = 0; | |
97 | Int_t iFRAME = 0; | |
98 | Int_t iHALL = 0; | |
99 | Int_t iITS = 0; | |
100 | Int_t iMAG = 0; | |
101 | Int_t iMUON = 0; | |
102 | Int_t iPHOS = 0; | |
103 | Int_t iPIPE = 0; | |
104 | Int_t iPMD = 0; | |
105 | Int_t iRICH = 0; | |
106 | Int_t iSHIL = 0; | |
107 | Int_t iSTART = 0; | |
108 | Int_t iTOF = 0; | |
109 | Int_t iTPC = 0; | |
110 | Int_t iTRD = 0; | |
111 | Int_t iZDC = 0; | |
112 | Int_t iEMCAL = 0; | |
113 | Int_t iCRT = 0; | |
114 | Int_t iVZERO = 0; | |
115 | ||
116 | //=================== Alice BODY parameters ============================= | |
117 | AliBODY *BODY = new AliBODY("BODY", "Alice envelop"); | |
118 | ||
119 | if (iMAG) | |
120 | { | |
121 | //=================== MAG parameters ============================ | |
122 | // --- Start with Magnet since detector layouts may be depending --- | |
123 | // --- on the selected Magnet dimensions --- | |
124 | AliMAG *MAG = new AliMAG("MAG", "Magnet"); | |
125 | } | |
126 | ||
127 | ||
128 | if (iABSO) | |
129 | { | |
130 | //=================== ABSO parameters ============================ | |
131 | AliABSO *ABSO = new AliABSOv0("ABSO", "Muon Absorber"); | |
132 | } | |
133 | ||
134 | if (iDIPO) | |
135 | { | |
136 | //=================== DIPO parameters ============================ | |
137 | ||
138 | AliDIPO *DIPO = new AliDIPOv2("DIPO", "Dipole version 2"); | |
139 | } | |
140 | ||
141 | if (iHALL) | |
142 | { | |
143 | //=================== HALL parameters ============================ | |
144 | ||
145 | AliHALL *HALL = new AliHALL("HALL", "Alice Hall"); | |
146 | } | |
147 | ||
148 | ||
149 | if (iFRAME) | |
150 | { | |
151 | //=================== FRAME parameters ============================ | |
152 | ||
153 | AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame"); | |
154 | if (geo == kHoles) { | |
155 | FRAME->SetHoles(1); | |
156 | } else { | |
157 | FRAME->SetHoles(0); | |
158 | } | |
159 | } | |
160 | ||
161 | if (iSHIL) | |
162 | { | |
163 | //=================== SHIL parameters ============================ | |
164 | ||
165 | AliSHIL *SHIL = new AliSHILv2("SHIL", "Shielding Version 2"); | |
166 | } | |
167 | ||
168 | ||
169 | if (iPIPE) | |
170 | { | |
171 | //=================== PIPE parameters ============================ | |
172 | ||
173 | AliPIPE *PIPE = new AliPIPEv0("PIPE", "Beam Pipe"); | |
174 | } | |
175 | ||
176 | if(iITS) { | |
177 | ||
178 | //=================== ITS parameters ============================ | |
179 | // | |
180 | // As the innermost detector in ALICE, the Inner Tracking System "impacts" on | |
181 | // almost all other detectors. This involves the fact that the ITS geometry | |
182 | // still has several options to be followed in parallel in order to determine | |
183 | // the best set-up which minimizes the induced background. All the geometries | |
184 | // available to date are described in the following. Read carefully the comments | |
185 | // and use the default version (the only one uncommented) unless you are making | |
186 | // comparisons and you know what you are doing. In this case just uncomment the | |
187 | // ITS geometry you want to use and run Aliroot. | |
188 | // | |
189 | // Detailed geometries: | |
190 | // | |
191 | // | |
192 | //AliITS *ITS = new AliITSv5symm("ITS","Updated ITS TDR detailed version with symmetric services"); | |
193 | // | |
194 | //AliITS *ITS = new AliITSv5asymm("ITS","Updates ITS TDR detailed version with asymmetric services"); | |
195 | // | |
196 | AliITSvPPRasymm *ITS = new AliITSvPPRasymm("ITS","New ITS PPR detailed version with asymmetric services"); | |
197 | ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer | |
198 | ITS->SetReadDet(kFALSE); // don't touch this parameter if you're not an ITS developer | |
199 | // ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRasymm2.det"); // don't touch this parameter if you're not an ITS developer | |
200 | ITS->SetThicknessDet1(200.); // detector thickness on layer 1 must be in the range [100,300] | |
201 | ITS->SetThicknessDet2(200.); // detector thickness on layer 2 must be in the range [100,300] | |
202 | ITS->SetThicknessChip1(200.); // chip thickness on layer 1 must be in the range [150,300] | |
203 | ITS->SetThicknessChip2(200.); // chip thickness on layer 2 must be in the range [150,300] | |
204 | ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out | |
205 | ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon | |
206 | // | |
207 | //AliITSvPPRsymm *ITS = new AliITSvPPRsymm("ITS","New ITS PPR detailed version with symmetric services"); | |
208 | //ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer | |
209 | //ITS->SetReadDet(kFALSE); // don't touch this parameter if you're not an ITS developer | |
210 | //ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRsymm2.det"); // don't touch this parameter if you're not an ITS developer | |
211 | //ITS->SetThicknessDet1(200.); // detector thickness on layer 1 must be in the range [100,300] | |
212 | //ITS->SetThicknessDet2(200.); // detector thickness on layer 2 must be in the range [100,300] | |
213 | //ITS->SetThicknessChip1(200.); // chip thickness on layer 1 must be in the range [150,300] | |
214 | //ITS->SetThicknessChip2(200.); // chip thickness on layer 2 must be in the range [150,300] | |
215 | //ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out | |
216 | //ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon | |
217 | // | |
218 | // | |
219 | // Coarse geometries (warning: no hits are produced with these coarse geometries and they unuseful | |
220 | // for reconstruction !): | |
221 | // | |
222 | // | |
223 | //AliITSvPPRcoarseasymm *ITS = new AliITSvPPRcoarseasymm("ITS","New ITS PPR coarse version with asymmetric services"); | |
224 | //ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out | |
225 | //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon | |
226 | // | |
227 | //AliITS *ITS = new AliITSvPPRcoarsesymm("ITS","New ITS PPR coarse version with symmetric services"); | |
228 | //ITS->SetRails(0); // 1 --> rails in ; 0 --> rails out | |
229 | //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon | |
230 | // | |
231 | // | |
232 | // | |
233 | // Geant3 <-> EUCLID conversion | |
234 | // ============================ | |
235 | // | |
236 | // SetEUCLID is a flag to output (=1) or not to output (=0) both geometry and | |
237 | // media to two ASCII files (called by default ITSgeometry.euc and | |
238 | // ITSgeometry.tme) in a format understandable to the CAD system EUCLID. | |
239 | // The default (=0) means that you dont want to use this facility. | |
240 | // | |
241 | ITS->SetEUCLID(0); | |
242 | } | |
243 | ||
244 | if (iTPC) | |
245 | { | |
246 | //============================ TPC parameters ================================ | |
247 | // --- This allows the user to specify sectors for the SLOW (TPC geometry 2) | |
248 | // --- Simulator. SecAL (SecAU) <0 means that ALL lower (upper) | |
249 | // --- sectors are specified, any value other than that requires at least one | |
250 | // --- sector (lower or upper)to be specified! | |
251 | // --- Reminder: sectors 1-24 are lower sectors (1-12 -> z>0, 13-24 -> z<0) | |
252 | // --- sectors 25-72 are the upper ones (25-48 -> z>0, 49-72 -> z<0) | |
253 | // --- SecLows - number of lower sectors specified (up to 6) | |
254 | // --- SecUps - number of upper sectors specified (up to 12) | |
255 | // --- Sens - sensitive strips for the Slow Simulator !!! | |
256 | // --- This does NOT work if all S or L-sectors are specified, i.e. | |
257 | // --- if SecAL or SecAU < 0 | |
258 | // | |
259 | // | |
260 | //----------------------------------------------------------------------------- | |
261 | ||
262 | // gROOT->LoadMacro("SetTPCParam.C"); | |
263 | // AliTPCParam *param = SetTPCParam(); | |
264 | AliTPC *TPC = new AliTPCv2("TPC", "Default"); | |
265 | ||
266 | // All sectors included | |
267 | TPC->SetSecAL(-1); | |
268 | TPC->SetSecAU(-1); | |
269 | ||
270 | } | |
271 | ||
272 | ||
273 | if (iTOF) { | |
274 | if (geo == kHoles) { | |
275 | //=================== TOF parameters ============================ | |
276 | AliTOF *TOF = new AliTOFv2FHoles("TOF", "TOF with Holes"); | |
277 | } else { | |
278 | AliTOF *TOF = new AliTOFv4T0("TOF", "normal TOF"); | |
279 | } | |
280 | } | |
281 | ||
282 | ||
283 | if (iRICH) | |
284 | { | |
285 | //=================== RICH parameters =========================== | |
286 | AliRICH *RICH = new AliRICHv3("RICH", "normal RICH"); | |
287 | ||
288 | } | |
289 | ||
290 | ||
291 | if (iZDC) | |
292 | { | |
293 | //=================== ZDC parameters ============================ | |
294 | ||
295 | AliZDC *ZDC = new AliZDCv2("ZDC", "normal ZDC"); | |
296 | } | |
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 | if (geo == kHoles) { | |
307 | // With hole in front of PHOS | |
308 | TRD->SetPHOShole(); | |
309 | // With hole in front of RICH | |
310 | TRD->SetRICHhole(); | |
311 | } | |
312 | // Switch on TR | |
313 | AliTRDsim *TRDsim = TRD->CreateTR(); | |
314 | } | |
315 | ||
316 | if (iFMD) | |
317 | { | |
318 | //=================== FMD parameters ============================ | |
319 | AliFMD *FMD = new AliFMDv1("FMD", "normal FMD"); | |
320 | FMD->SetRingsSi1(256); | |
321 | FMD->SetRingsSi2(128); | |
322 | FMD->SetSectorsSi1(20); | |
323 | FMD->SetSectorsSi2(40); | |
324 | } | |
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", "IHEP"); | |
337 | } | |
338 | ||
339 | ||
340 | if (iPMD) | |
341 | { | |
342 | //=================== PMD parameters ============================ | |
343 | AliPMD *PMD = new AliPMDv1("PMD", "normal PMD"); | |
344 | } | |
345 | ||
346 | if (iSTART) | |
347 | { | |
348 | //=================== START parameters ============================ | |
349 | AliSTART *START = new AliSTARTv1("START", "START Detector"); | |
350 | } | |
351 | ||
352 | if (iEMCAL) | |
353 | { | |
354 | //=================== EMCAL parameters ============================ | |
355 | AliEMCAL *EMCAL = new AliEMCALv1("EMCAL", "G56_2_55_19_104_14"); | |
356 | } | |
357 | ||
358 | if (iCRT) | |
359 | { | |
360 | //=================== CRT parameters ============================ | |
361 | AliCRT *CRT = new AliCRTv0("CRT", "normal ACORDE"); | |
362 | } | |
363 | ||
364 | if (iVZERO) | |
365 | { | |
366 | //=================== CRT parameters ============================ | |
367 | AliVZERO *VZERO = new AliVZEROv2("VZERO", "normal VZERO"); | |
368 | } | |
369 | ||
370 | } | |
371 | ||
372 | Float_t EtaToTheta(Float_t arg){ | |
373 | return (180./TMath::Pi())*2.*atan(exp(-arg)); | |
374 | } | |
375 | ||
376 | //----------------------------------------------------------------------------- | |
377 | GenTPHIC(Int_t process) | |
378 | { | |
379 | AliGenTPHIC *gener = new AliGenTPHIC(); | |
380 | ||
381 | gener->SetMomentumRange(0, 999); | |
382 | gener->SetPhiRange(0, 360); | |
383 | Float_t thmin = EtaToTheta(8); // theta min. <---> eta max | |
384 | Float_t thmax = EtaToTheta(-8); // theta max. <---> eta min | |
385 | gener->SetThetaRange(thmin,thmax); | |
386 | gener->SetOrigin(0, 0, 0); //vertex position | |
387 | gener->SetSigma(0, 0, 0); //Sigma in (X,Y,Z) (cm) on IP position | |
388 | ||
389 | // Set TPHIC-specific parameters | |
390 | gener->SetProcess(process); | |
391 | if (process == 1) { // gamma gamma -> X | |
392 | } | |
393 | else if (process == 2) { // gamma gamma -> eta_c | |
394 | gener->SetKfOnium(441); | |
395 | gener->SetGGwidthOnium(7.4e-06); | |
396 | } | |
397 | else if (process == 3) { // gamma gamma -> mu+ mu- | |
398 | gener->SetKfFermion = 13; | |
399 | } | |
400 | else if (process == 4) { // gamma gamma -> W+ W- | |
401 | gener->SetMggRange(70.,200.); | |
402 | gener->SetYggRange(-5.,5.); | |
403 | gener->SetLumFunName("lum_ca_70_200.dat"); | |
404 | gener->SetLumFunFlag(-1); | |
405 | } | |
406 | else if (process == 5) { // gamma gamma -> chi_1+ chi_1- (not implemented) | |
407 | } | |
408 | else if (process == 5) { // gamma gamma -> rho0 rho0 | |
409 | gener->SetKfVmesons(113,113); | |
410 | } | |
411 | ||
412 | gener->SetDebug(1); | |
413 | gener->SetEventListRange(1,10); | |
414 | gener->Init(); | |
415 | } |