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97bd8e56 | 1 | // |
2 | // Configuration for the first physics production 2008 | |
3 | // | |
4 | ||
5 | // One can use the configuration macro in compiled mode by | |
6 | // root [0] gSystem->Load("libgeant321"); | |
7 | // root [0] gSystem->SetIncludePath("-I$ROOTSYS/include -I$ALICE_ROOT/include\ | |
8 | // -I$ALICE_ROOT -I$ALICE/geant3/TGeant3"); | |
9 | // root [0] .x grun.C(1,"Config.C++") | |
10 | ||
11 | #if !defined(__CINT__) || defined(__MAKECINT__) | |
12 | #include <Riostream.h> | |
13 | #include <TRandom.h> | |
14 | #include <TDatime.h> | |
15 | #include <TSystem.h> | |
16 | #include <TVirtualMC.h> | |
17 | #include <TGeant3TGeo.h> | |
18 | #include "STEER/AliRunLoader.h" | |
19 | #include "STEER/AliRun.h" | |
20 | #include "STEER/AliConfig.h" | |
21 | #include "PYTHIA6/AliDecayerPythia.h" | |
22 | #include "PYTHIA6/AliGenPythia.h" | |
23 | #include "TDPMjet/AliGenDPMjet.h" | |
24 | #include "THerwig/AliGenHerwig.h" | |
25 | #include "STEER/AliMagFCheb.h" | |
26 | #include "STRUCT/AliBODY.h" | |
27 | #include "STRUCT/AliMAG.h" | |
28 | #include "STRUCT/AliABSOv3.h" | |
29 | #include "STRUCT/AliDIPOv3.h" | |
30 | #include "STRUCT/AliHALLv3.h" | |
31 | #include "STRUCT/AliFRAMEv2.h" | |
32 | #include "STRUCT/AliSHILv3.h" | |
33 | #include "STRUCT/AliPIPEv3.h" | |
34 | #include "ITS/AliITSv11Hybrid.h" | |
35 | #include "TPC/AliTPCv2.h" | |
36 | #include "TOF/AliTOFv6T0.h" | |
37 | #include "HMPID/AliHMPIDv3.h" | |
38 | #include "ZDC/AliZDCv3.h" | |
39 | #include "TRD/AliTRDv1.h" | |
40 | #include "TRD/AliTRDgeometry.h" | |
41 | #include "FMD/AliFMDv1.h" | |
42 | #include "MUON/AliMUONv1.h" | |
43 | #include "PHOS/AliPHOSv1.h" | |
44 | #include "PHOS/AliPHOSSimParam.h" | |
45 | #include "PMD/AliPMDv1.h" | |
46 | #include "T0/AliT0v1.h" | |
47 | #include "EMCAL/AliEMCALv2.h" | |
48 | #include "ACORDE/AliACORDEv1.h" | |
49 | #include "VZERO/AliVZEROv7.h" | |
50 | #endif | |
51 | ||
52 | enum PDC06Proc_t | |
53 | { | |
54 | kPythia6, kPhojet, kHerwig, kRunMax | |
55 | }; | |
56 | ||
57 | const char * pprRunName[] = | |
58 | { "kPythia6", "kPhojet", "kHerwig" }; | |
59 | ||
60 | enum Mag_t | |
61 | { | |
62 | kNoField, k5kG, kFieldMax | |
63 | }; | |
64 | ||
65 | const char * pprField[] = | |
66 | { "kNoField", "k5kG" }; | |
67 | ||
68 | enum PprTrigConf_t | |
69 | { | |
70 | kDefaultPPTrig, kDefaultPbPbTrig | |
71 | }; | |
72 | ||
73 | const char * pprTrigConfName[] = | |
74 | { "p-p", "Pb-Pb" }; | |
75 | ||
76 | static PprTrigConf_t strig = kDefaultPPTrig;// default PP trigger configuration | |
77 | ||
78 | //--- Functions --- | |
79 | ||
80 | class AliGenPythia; | |
81 | AliGenerator *MbPythia(); | |
82 | AliGenerator *MbPhojet(); | |
83 | AliGenerator *Herwig(); | |
84 | void ProcessEnvironmentVars(); | |
85 | ||
86 | // Geterator, field, beam energy | |
87 | static PDC06Proc_t proc = kHerwig; | |
88 | static Mag_t mag = k5kG; | |
89 | static Float_t energy = 10000; // energy in CMS | |
90 | //========================// | |
91 | // Set Random Number seed // | |
92 | //========================// | |
93 | TDatime dt; | |
94 | static UInt_t seed = dt.Get(); | |
95 | ||
96 | // Comment line | |
97 | static TString comment; | |
98 | ||
99 | void Config() | |
100 | { | |
101 | ||
102 | // Get settings from environment variables | |
103 | ProcessEnvironmentVars(); | |
104 | ||
105 | gRandom->SetSeed(seed); | |
106 | cerr << "Seed for random number generation= " << seed << endl; | |
107 | ||
108 | // Libraries required by geant321 | |
109 | #if defined(__CINT__) | |
110 | gSystem->Load("liblhapdf"); // Parton density functions | |
111 | gSystem->Load("libEGPythia6"); // TGenerator interface | |
112 | gSystem->Load("libpythia6"); // Pythia | |
113 | gSystem->Load("libAliPythia6"); // ALICE specific implementations | |
114 | gSystem->Load("libgeant321"); | |
115 | #endif | |
116 | ||
117 | new TGeant3TGeo("C++ Interface to Geant3"); | |
118 | ||
119 | //======================================================================= | |
120 | // Create the output file | |
121 | ||
122 | ||
123 | AliRunLoader* rl = 0x0; | |
124 | ||
125 | cout << "Config.C: Creating Run Loader ..." << endl; | |
126 | rl = AliRunLoader::Open("galice.root", AliConfig::GetDefaultEventFolderName(), "recreate"); | |
127 | if (rl == 0x0) | |
128 | { | |
129 | gAlice->Fatal("Config.C", "Can not instatiate the Run Loader"); | |
130 | return; | |
131 | } | |
132 | rl->SetCompressionLevel(2); | |
133 | rl->SetNumberOfEventsPerFile(1000); | |
134 | gAlice->SetRunLoader(rl); | |
135 | ||
136 | // Set the trigger configuration: proton-proton | |
137 | gAlice->SetTriggerDescriptor(pprTrigConfName[strig]); | |
138 | cout << "Trigger configuration is set to " << pprTrigConfName[strig] << endl; | |
139 | ||
140 | // | |
141 | //======================================================================= | |
142 | // ************* STEERING parameters FOR ALICE SIMULATION ************** | |
143 | // --- Specify event type to be tracked through the ALICE setup | |
144 | // --- All positions are in cm, angles in degrees, and P and E in GeV | |
145 | ||
146 | ||
147 | gMC->SetProcess("DCAY", 1); | |
148 | gMC->SetProcess("PAIR", 1); | |
149 | gMC->SetProcess("COMP", 1); | |
150 | gMC->SetProcess("PHOT", 1); | |
151 | gMC->SetProcess("PFIS", 0); | |
152 | gMC->SetProcess("DRAY", 0); | |
153 | gMC->SetProcess("ANNI", 1); | |
154 | gMC->SetProcess("BREM", 1); | |
155 | gMC->SetProcess("MUNU", 1); | |
156 | gMC->SetProcess("CKOV", 1); | |
157 | gMC->SetProcess("HADR", 1); | |
158 | gMC->SetProcess("LOSS", 2); | |
159 | gMC->SetProcess("MULS", 1); | |
160 | gMC->SetProcess("RAYL", 1); | |
161 | ||
162 | Float_t cut = 1.e-3; // 1MeV cut by default | |
163 | Float_t tofmax = 1.e10; | |
164 | ||
165 | gMC->SetCut("CUTGAM", cut); | |
166 | gMC->SetCut("CUTELE", cut); | |
167 | gMC->SetCut("CUTNEU", cut); | |
168 | gMC->SetCut("CUTHAD", cut); | |
169 | gMC->SetCut("CUTMUO", cut); | |
170 | gMC->SetCut("BCUTE", cut); | |
171 | gMC->SetCut("BCUTM", cut); | |
172 | gMC->SetCut("DCUTE", cut); | |
173 | gMC->SetCut("DCUTM", cut); | |
174 | gMC->SetCut("PPCUTM", cut); | |
175 | gMC->SetCut("TOFMAX", tofmax); | |
176 | ||
177 | //======================// | |
178 | // Set External decayer // | |
179 | //======================// | |
180 | TVirtualMCDecayer* decayer = new AliDecayerPythia(); | |
181 | decayer->SetForceDecay(kAll); | |
182 | decayer->Init(); | |
183 | gMC->SetExternalDecayer(decayer); | |
184 | ||
185 | //=========================// | |
186 | // Generator Configuration // | |
187 | //=========================// | |
188 | AliGenerator* gener = 0x0; | |
189 | ||
190 | switch (proc) | |
191 | { | |
192 | case kPythia6: | |
193 | gener = MbPythia(); | |
194 | break; | |
195 | case kPhojet: | |
196 | gener = MbPhojet(); | |
197 | break; | |
198 | case kHerwig: | |
199 | gener = Herwig(); | |
200 | break; | |
201 | } | |
202 | ||
203 | // PRIMARY VERTEX | |
204 | // | |
205 | gener->SetOrigin(0., 0., 0.); // vertex position | |
206 | // | |
207 | // Size of the interaction diamond | |
208 | // Longitudinal | |
209 | Float_t sigmaz = 5.4 / TMath::Sqrt(2.); // [cm] | |
210 | if (energy == 900) | |
211 | sigmaz = 10.5 / TMath::Sqrt(2.); // [cm] | |
212 | // | |
213 | // Transverse | |
214 | Float_t betast = 10; // beta* [m] | |
215 | Float_t eps = 3.75e-6; // emittance [m] | |
216 | Float_t gamma = energy / 2.0 / 0.938272; // relativistic gamma [1] | |
217 | Float_t sigmaxy = TMath::Sqrt(eps * betast / gamma) / TMath::Sqrt(2.) * 100.; // [cm] | |
218 | printf("\n \n Diamond size x-y: %10.3e z: %10.3e\n \n", sigmaxy, sigmaz); | |
219 | ||
220 | gener->SetSigma(sigmaxy, sigmaxy, sigmaz); // Sigma in (X,Y,Z) (cm) on IP position | |
221 | gener->SetCutVertexZ(3.); // Truncate at 3 sigma | |
222 | gener->SetVertexSmear(kPerEvent); | |
223 | ||
224 | gener->Init(); | |
225 | ||
226 | // FIELD | |
227 | AliMagF* field = 0x0; | |
228 | ||
229 | if (mag == kNoField) | |
230 | { | |
231 | comment = comment.Append(" | L3 field 0.0 T"); | |
232 | field = new AliMagF("Maps", "Maps", -1., -1., AliMagF::k2kG); | |
233 | } | |
234 | else if (mag == k5kG) | |
235 | { | |
236 | comment = comment.Append(" | L3 field 0.5 T"); | |
237 | field = new AliMagF("Maps", "Maps", -1., -1., AliMagF::k5kG); | |
238 | } | |
239 | printf("\n \n Comment: %s \n \n", comment.Data()); | |
240 | ||
241 | TGeoGlobalMagField::Instance()->SetField(field); | |
242 | ||
243 | rl->CdGAFile(); | |
244 | ||
245 | Int_t iABSO = 1; | |
246 | Int_t iACORDE = 0; | |
247 | Int_t iDIPO = 1; | |
248 | Int_t iEMCAL = 0; | |
249 | Int_t iFMD = 1; | |
250 | Int_t iFRAME = 1; | |
251 | Int_t iHALL = 1; | |
252 | Int_t iITS = 1; | |
253 | Int_t iMAG = 1; | |
254 | Int_t iMUON = 1; | |
255 | Int_t iPHOS = 1; | |
256 | Int_t iPIPE = 1; | |
257 | Int_t iPMD = 0; | |
258 | Int_t iHMPID = 1; | |
259 | Int_t iSHIL = 1; | |
260 | Int_t iT0 = 1; | |
261 | Int_t iTOF = 1; | |
262 | Int_t iTPC = 1; | |
263 | Int_t iTRD = 1; | |
264 | Int_t iVZERO = 1; | |
265 | Int_t iZDC = 1; | |
266 | ||
267 | //=================== Alice BODY parameters ============================= | |
268 | AliBODY *BODY = new AliBODY("BODY", "Alice envelop"); | |
269 | ||
270 | if (iMAG) | |
271 | { | |
272 | //=================== MAG parameters ============================ | |
273 | // --- Start with Magnet since detector layouts may be depending --- | |
274 | // --- on the selected Magnet dimensions --- | |
275 | AliMAG *MAG = new AliMAG("MAG", "Magnet"); | |
276 | } | |
277 | ||
278 | if (iABSO) | |
279 | { | |
280 | //=================== ABSO parameters ============================ | |
281 | AliABSO *ABSO = new AliABSOv3("ABSO", "Muon Absorber"); | |
282 | } | |
283 | ||
284 | if (iDIPO) | |
285 | { | |
286 | //=================== DIPO parameters ============================ | |
287 | ||
288 | AliDIPO *DIPO = new AliDIPOv3("DIPO", "Dipole version 3"); | |
289 | } | |
290 | ||
291 | if (iHALL) | |
292 | { | |
293 | //=================== HALL parameters ============================ | |
294 | ||
295 | AliHALL *HALL = new AliHALLv3("HALL", "Alice Hall"); | |
296 | } | |
297 | ||
298 | if (iFRAME) | |
299 | { | |
300 | //=================== FRAME parameters ============================ | |
301 | ||
302 | AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame"); | |
303 | FRAME->SetHoles(1); | |
304 | } | |
305 | ||
306 | if (iSHIL) | |
307 | { | |
308 | //=================== SHIL parameters ============================ | |
309 | ||
310 | AliSHIL *SHIL = new AliSHILv3("SHIL", "Shielding Version 3"); | |
311 | } | |
312 | ||
313 | if (iPIPE) | |
314 | { | |
315 | //=================== PIPE parameters ============================ | |
316 | ||
317 | AliPIPE *PIPE = new AliPIPEv3("PIPE", "Beam Pipe"); | |
318 | } | |
319 | ||
320 | if (iITS) | |
321 | { | |
322 | //=================== ITS parameters ============================ | |
323 | ||
324 | AliITS *ITS = new AliITSv11Hybrid("ITS", "ITS v11Hybrid"); | |
325 | } | |
326 | ||
327 | if (iTPC) | |
328 | { | |
329 | //============================ TPC parameters ===================== | |
330 | ||
331 | AliTPC *TPC = new AliTPCv2("TPC", "Default"); | |
332 | } | |
333 | ||
334 | if (iTOF) | |
335 | { | |
336 | //=================== TOF parameters ============================ | |
337 | ||
338 | AliTOF *TOF = new AliTOFv6T0("TOF", "normal TOF"); | |
339 | } | |
340 | ||
341 | if (iHMPID) | |
342 | { | |
343 | //=================== HMPID parameters =========================== | |
344 | ||
345 | AliHMPID *HMPID = new AliHMPIDv3("HMPID", "normal HMPID"); | |
346 | ||
347 | } | |
348 | ||
349 | if (iZDC) | |
350 | { | |
351 | //=================== ZDC parameters ============================ | |
352 | ||
353 | AliZDC *ZDC = new AliZDCv3("ZDC", "normal ZDC"); | |
354 | } | |
355 | ||
356 | if (iTRD) | |
357 | { | |
358 | //=================== TRD parameters ============================ | |
359 | ||
360 | AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator"); | |
361 | AliTRDgeometry *geoTRD = TRD->GetGeometry(); | |
362 | // Partial geometry: modules at 0,1,7,8,9,10,17 | |
363 | // starting at 3h in positive direction | |
364 | geoTRD->SetSMstatus(2, 0); | |
365 | geoTRD->SetSMstatus(3, 0); | |
366 | geoTRD->SetSMstatus(4, 0); | |
367 | geoTRD->SetSMstatus(5, 0); | |
368 | geoTRD->SetSMstatus(6, 0); | |
369 | geoTRD->SetSMstatus(11, 0); | |
370 | geoTRD->SetSMstatus(12, 0); | |
371 | geoTRD->SetSMstatus(13, 0); | |
372 | geoTRD->SetSMstatus(14, 0); | |
373 | geoTRD->SetSMstatus(15, 0); | |
374 | geoTRD->SetSMstatus(16, 0); | |
375 | } | |
376 | ||
377 | if (iFMD) | |
378 | { | |
379 | //=================== FMD parameters ============================ | |
380 | ||
381 | AliFMD *FMD = new AliFMDv1("FMD", "normal FMD"); | |
382 | } | |
383 | ||
384 | if (iMUON) | |
385 | { | |
386 | //=================== MUON parameters =========================== | |
387 | // New MUONv1 version (geometry defined via builders) | |
388 | ||
389 | AliMUON *MUON = new AliMUONv1("MUON", "default"); | |
390 | } | |
391 | ||
392 | if (iPHOS) | |
393 | { | |
394 | //=================== PHOS parameters =========================== | |
395 | ||
396 | AliPHOS *PHOS = new AliPHOSv1("PHOS", "IHEP"); | |
397 | //Set simulation parameters different from the default ones. | |
398 | AliPHOSSimParam* simEmc = AliPHOSSimParam::GetInstance(); | |
399 | ||
400 | // APD noise of warm (+20C) PHOS: | |
401 | // a2 = a1*(Y1/Y2)*(M1/M2), where a1 = 0.012 is APD noise at -25C, | |
402 | // Y1 = 4.3 photo-electrons/MeV, Y2 = 1.7 p.e/MeV - light yields at -25C and +20C, | |
403 | // M1 = 50, M2 = 50 - APD gain factors chosen for t1 = -25C and t2 = +20C, | |
404 | // Y = MeanLightYield*APDEfficiency. | |
405 | ||
406 | Float_t apdNoise = 0.012 * 2.5; | |
407 | simEmc->SetAPDNoise(apdNoise); | |
408 | ||
409 | //Raw Light Yield at +20C | |
410 | simEmc->SetMeanLightYield(18800); | |
411 | ||
412 | //ADC channel width at +18C. | |
413 | simEmc->SetADCchannelW(0.0125); | |
414 | } | |
415 | ||
416 | if (iPMD) | |
417 | { | |
418 | //=================== PMD parameters ============================ | |
419 | ||
420 | AliPMD *PMD = new AliPMDv1("PMD", "normal PMD"); | |
421 | } | |
422 | ||
423 | if (iT0) | |
424 | { | |
425 | //=================== T0 parameters ============================ | |
426 | AliT0 *T0 = new AliT0v1("T0", "T0 Detector"); | |
427 | } | |
428 | ||
429 | if (iEMCAL) | |
430 | { | |
431 | //=================== EMCAL parameters ============================ | |
432 | ||
433 | AliEMCAL *EMCAL = new AliEMCALv2("EMCAL", "EMCAL_COMPLETE"); | |
434 | } | |
435 | ||
436 | if (iACORDE) | |
437 | { | |
438 | //=================== ACORDE parameters ============================ | |
439 | ||
440 | AliACORDE *ACORDE = new AliACORDEv1("ACORDE", "normal ACORDE"); | |
441 | } | |
442 | ||
443 | if (iVZERO) | |
444 | { | |
445 | //=================== ACORDE parameters ============================ | |
446 | ||
447 | AliVZERO *VZERO = new AliVZEROv7("VZERO", "normal VZERO"); | |
448 | } | |
449 | } | |
450 | ||
451 | // PYTHIA | |
452 | AliGenerator* MbPythia() | |
453 | { | |
454 | comment = comment.Append(" pp at 14 TeV: Pythia low-pt"); | |
455 | ||
456 | AliGenPythia* pythia = new AliGenPythia(-1); | |
457 | pythia->SetMomentumRange(0, 999999.); | |
458 | pythia->SetThetaRange(0., 180.); | |
459 | pythia->SetYRange(-12., 12.); | |
460 | pythia->SetPtRange(0, 1000.); | |
461 | pythia->SetProcess(kPyMb); | |
462 | pythia->SetEnergyCMS(energy); | |
463 | ||
464 | return pythia; | |
465 | } | |
466 | ||
467 | // DPMJET | |
468 | AliGenerator* MbPhojet() | |
469 | { | |
470 | comment = comment.Append(" pp at 14 TeV: Phojet low-pt"); | |
471 | ||
472 | #if defined(__CINT__) | |
473 | gSystem->Load("libdpmjet"); // Parton density functions | |
474 | gSystem->Load("libTDPMjet"); // Parton density functions | |
475 | #endif | |
476 | ||
477 | AliGenDPMjet* dpmjet = new AliGenDPMjet(-1); | |
478 | dpmjet->SetMomentumRange(0, 999999.); | |
479 | dpmjet->SetThetaRange(0., 180.); | |
480 | dpmjet->SetYRange(-12., 12.); | |
481 | dpmjet->SetPtRange(0, 1000.); | |
482 | dpmjet->SetProcess(kDpmMb); | |
483 | dpmjet->SetEnergyCMS(energy); | |
484 | ||
485 | return dpmjet; | |
486 | } | |
487 | ||
488 | // HERWIG | |
489 | AliGenerator* Herwig() | |
490 | { | |
491 | comment = comment.Append("pp at 14 TeV: Herwig"); | |
492 | ||
493 | #if defined(__CINT__) | |
494 | gSystem->Load("libherwig"); // HERWIG library | |
495 | gSystem->Load("libTHerwig"); // HERWIG library | |
496 | #endif | |
497 | ||
498 | AliGenHerwig *herwig = new AliGenHerwig(-1); | |
499 | // final state kinematic cuts | |
500 | herwig->SetOrigin(0,0,0); // vertex position | |
501 | herwig->SetVertexSmear(kPerEvent); | |
502 | herwig->SetSigma(0, 0, 5.6); // Sigma in (X,Y,Z) (cm) on IP position | |
503 | // Beams | |
504 | herwig->SetProjectile("P"); | |
505 | herwig->SetTarget("P"); | |
506 | // Beam momenta | |
507 | herwig->SetBeamMomenta(3500., 3500.); | |
508 | // bbar | |
509 | herwig->SetProcess(1705); | |
510 | ||
511 | return herwig; | |
512 | } | |
513 | ||
514 | void ProcessEnvironmentVars() | |
515 | { | |
516 | // Run type | |
517 | if (gSystem->Getenv("CONFIG_RUN_TYPE")) | |
518 | { | |
519 | for (Int_t iRun = 0; iRun < kRunMax; iRun++) | |
520 | { | |
521 | if (strcmp(gSystem->Getenv("CONFIG_RUN_TYPE"), pprRunName[iRun]) == 0) | |
522 | { | |
523 | proc = (PDC06Proc_t) iRun; | |
524 | cout << "Run type set to " << pprRunName[iRun] << endl; | |
525 | } | |
526 | } | |
527 | } | |
528 | ||
529 | // Field | |
530 | if (gSystem->Getenv("CONFIG_FIELD")) | |
531 | { | |
532 | for (Int_t iField = 0; iField < kFieldMax; iField++) | |
533 | { | |
534 | if (strcmp(gSystem->Getenv("CONFIG_FIELD"), pprField[iField]) == 0) | |
535 | { | |
536 | mag = (Mag_t) iField; | |
537 | cout << "Field set to " << pprField[iField] << endl; | |
538 | } | |
539 | } | |
540 | } | |
541 | ||
542 | // Energy | |
543 | if (gSystem->Getenv("CONFIG_ENERGY")) | |
544 | { | |
545 | energy = atoi(gSystem->Getenv("CONFIG_ENERGY")); | |
546 | cout << "Energy set to " << energy << " GeV" << endl; | |
547 | } | |
548 | ||
549 | // Random Number seed | |
550 | if (gSystem->Getenv("CONFIG_SEED")) | |
551 | { | |
552 | seed = atoi(gSystem->Getenv("CONFIG_SEED")); | |
553 | } | |
554 | } |