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8498bdf5 | 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" | |
f7a1cc68 | 24 | #include "STEER/AliMagF.h" |
8498bdf5 | 25 | #include "STRUCT/AliBODY.h" |
26 | #include "STRUCT/AliMAG.h" | |
27 | #include "STRUCT/AliABSOv3.h" | |
28 | #include "STRUCT/AliDIPOv3.h" | |
29 | #include "STRUCT/AliHALLv3.h" | |
30 | #include "STRUCT/AliFRAMEv2.h" | |
31 | #include "STRUCT/AliSHILv3.h" | |
32 | #include "STRUCT/AliPIPEv3.h" | |
33 | #include "ITS/AliITSv11Hybrid.h" | |
34 | #include "TPC/AliTPCv2.h" | |
35 | #include "TOF/AliTOFv6T0.h" | |
36 | #include "HMPID/AliHMPIDv3.h" | |
37 | #include "ZDC/AliZDCv3.h" | |
38 | #include "TRD/AliTRDv1.h" | |
39 | #include "TRD/AliTRDgeometry.h" | |
40 | #include "FMD/AliFMDv1.h" | |
41 | #include "MUON/AliMUONv1.h" | |
42 | #include "PHOS/AliPHOSv1.h" | |
43 | #include "PHOS/AliPHOSSimParam.h" | |
44 | #include "PMD/AliPMDv1.h" | |
45 | #include "T0/AliT0v1.h" | |
46 | #include "EMCAL/AliEMCALv2.h" | |
47 | #include "ACORDE/AliACORDEv1.h" | |
48 | #include "VZERO/AliVZEROv7.h" | |
49 | #endif | |
50 | ||
51 | ||
52 | enum PDC06Proc_t | |
53 | { | |
54 | kPythia6, kPhojet, kRunMax | |
55 | }; | |
56 | ||
57 | const char * pprRunName[] = { | |
58 | "kPythia6", "kPhojet" | |
59 | }; | |
60 | ||
573540a1 | 61 | enum Mag_t |
62 | { | |
63 | kNoField, k5kG, kFieldMax | |
64 | }; | |
65 | ||
8498bdf5 | 66 | const char * pprField[] = { |
67 | "kNoField", "k5kG" | |
68 | }; | |
69 | ||
70 | //--- Functions --- | |
71 | class AliGenPythia; | |
72 | AliGenerator *MbPythia(); | |
73 | AliGenerator *MbPhojet(); | |
74 | void ProcessEnvironmentVars(); | |
75 | ||
76 | // Geterator, field, beam energy | |
77 | static PDC06Proc_t proc = kPhojet; | |
573540a1 | 78 | static Mag_t mag = k5kG; |
8498bdf5 | 79 | static Float_t energy = 10000; // energy in CMS |
80 | //========================// | |
81 | // Set Random Number seed // | |
82 | //========================// | |
83 | TDatime dt; | |
84 | static UInt_t seed = dt.Get(); | |
85 | ||
86 | // Comment line | |
87 | static TString comment; | |
88 | ||
89 | void Config() | |
90 | { | |
91 | ||
92 | ||
93 | // Get settings from environment variables | |
94 | ProcessEnvironmentVars(); | |
95 | ||
96 | gRandom->SetSeed(seed); | |
97 | cerr<<"Seed for random number generation= "<<seed<<endl; | |
98 | ||
99 | // Libraries required by geant321 | |
100 | #if defined(__CINT__) | |
101 | gSystem->Load("liblhapdf"); // Parton density functions | |
102 | gSystem->Load("libEGPythia6"); // TGenerator interface | |
103 | gSystem->Load("libpythia6"); // Pythia | |
104 | gSystem->Load("libAliPythia6"); // ALICE specific implementations | |
105 | gSystem->Load("libgeant321"); | |
106 | #endif | |
107 | ||
108 | new TGeant3TGeo("C++ Interface to Geant3"); | |
109 | ||
110 | //======================================================================= | |
111 | // Create the output file | |
112 | ||
113 | ||
114 | AliRunLoader* rl=0x0; | |
115 | ||
116 | cout<<"Config.C: Creating Run Loader ..."<<endl; | |
117 | rl = AliRunLoader::Open("galice.root", | |
118 | AliConfig::GetDefaultEventFolderName(), | |
119 | "recreate"); | |
120 | if (rl == 0x0) | |
121 | { | |
122 | gAlice->Fatal("Config.C","Can not instatiate the Run Loader"); | |
123 | return; | |
124 | } | |
125 | rl->SetCompressionLevel(2); | |
126 | rl->SetNumberOfEventsPerFile(1000); | |
127 | gAlice->SetRunLoader(rl); | |
128 | // gAlice->SetGeometryFromFile("geometry.root"); | |
129 | // gAlice->SetGeometryFromCDB(); | |
130 | ||
131 | // Set the trigger configuration: proton-proton | |
132 | gAlice->SetTriggerDescriptor("p-p"); | |
133 | ||
134 | // | |
135 | //======================================================================= | |
136 | // ************* STEERING parameters FOR ALICE SIMULATION ************** | |
137 | // --- Specify event type to be tracked through the ALICE setup | |
138 | // --- All positions are in cm, angles in degrees, and P and E in GeV | |
139 | ||
140 | ||
141 | gMC->SetProcess("DCAY",1); | |
142 | gMC->SetProcess("PAIR",1); | |
143 | gMC->SetProcess("COMP",1); | |
144 | gMC->SetProcess("PHOT",1); | |
145 | gMC->SetProcess("PFIS",0); | |
146 | gMC->SetProcess("DRAY",0); | |
147 | gMC->SetProcess("ANNI",1); | |
148 | gMC->SetProcess("BREM",1); | |
149 | gMC->SetProcess("MUNU",1); | |
150 | gMC->SetProcess("CKOV",1); | |
151 | gMC->SetProcess("HADR",1); | |
152 | gMC->SetProcess("LOSS",2); | |
153 | gMC->SetProcess("MULS",1); | |
154 | gMC->SetProcess("RAYL",1); | |
155 | ||
156 | Float_t cut = 1.e-3; // 1MeV cut by default | |
157 | Float_t tofmax = 1.e10; | |
158 | ||
159 | gMC->SetCut("CUTGAM", cut); | |
160 | gMC->SetCut("CUTELE", cut); | |
161 | gMC->SetCut("CUTNEU", cut); | |
162 | gMC->SetCut("CUTHAD", cut); | |
163 | gMC->SetCut("CUTMUO", cut); | |
164 | gMC->SetCut("BCUTE", cut); | |
165 | gMC->SetCut("BCUTM", cut); | |
166 | gMC->SetCut("DCUTE", cut); | |
167 | gMC->SetCut("DCUTM", cut); | |
168 | gMC->SetCut("PPCUTM", cut); | |
169 | gMC->SetCut("TOFMAX", tofmax); | |
170 | ||
171 | ||
172 | ||
173 | ||
174 | //======================// | |
175 | // Set External decayer // | |
176 | //======================// | |
177 | TVirtualMCDecayer* decayer = new AliDecayerPythia(); | |
178 | decayer->SetForceDecay(kAll); | |
179 | decayer->Init(); | |
180 | gMC->SetExternalDecayer(decayer); | |
181 | ||
182 | //=========================// | |
183 | // Generator Configuration // | |
184 | //=========================// | |
185 | // Create pileup generator | |
186 | AliGenPileup *pileup = new AliGenPileup(); | |
187 | ||
188 | AliGenerator* gener = 0x0; | |
189 | ||
190 | if (proc == kPythia6) { | |
191 | gener = MbPythia(); | |
192 | } else if (proc == kPhojet) { | |
193 | gener = MbPhojet(); | |
194 | } | |
195 | ||
196 | // Set the pileup interaction generator | |
197 | // The second argument is the pileup rate | |
198 | // in terms of event rate per bunch crossing | |
199 | pileup->SetGenerator(gener,0.01); | |
200 | // Set the beam time structure | |
201 | // Details on the syntax in STEER/AliTriggerBCMask | |
202 | pileup->SetBCMask("72(1H1L)3420L"); | |
203 | // Examples of the pileup rate and beam structure settings | |
204 | // Most of the information is taken from the LHC commissionning page | |
205 | // rate from 0.01 (at 900GeV) to 0.76 (at 14TeV) | |
206 | // 1 bunch/orbit - bc-mask = "1H3563L" | |
207 | // 43 bunches/orbit - bc-mask = "43(1H80L)81L" | |
208 | // 72 bunches/orbit - bc-mask = "72(1H1L)3420L" (50ns mode) | |
209 | // Please note that most of these setting should be cross-checked because | |
210 | // for example the 43 bunches mode is taken at CMS IP and not the ALICE one. | |
211 | ||
212 | // Generate the trigger interaction | |
213 | pileup->GenerateTrigInteraction(kTRUE); | |
214 | ||
215 | // PRIMARY VERTEX | |
216 | // | |
217 | pileup->SetOrigin(0., 0., 0.); // vertex position | |
218 | // | |
219 | // | |
220 | // Size of the interaction diamond | |
221 | // Longitudinal | |
222 | Float_t sigmaz = 5.4 / TMath::Sqrt(2.); // [cm] | |
223 | if (energy == 900) | |
224 | sigmaz = 10.5 / TMath::Sqrt(2.); // [cm] | |
225 | // | |
226 | // Transverse | |
227 | Float_t betast = 10; // beta* [m] | |
228 | Float_t eps = 3.75e-6; // emittance [m] | |
229 | Float_t gamma = energy / 2.0 / 0.938272; // relativistic gamma [1] | |
230 | Float_t sigmaxy = TMath::Sqrt(eps * betast / gamma) / TMath::Sqrt(2.) * 100.; // [cm] | |
231 | printf("\n \n Diamond size x-y: %10.3e z: %10.3e\n \n", sigmaxy, sigmaz); | |
232 | ||
233 | pileup->SetSigma(sigmaxy, sigmaxy, sigmaz); // Sigma in (X,Y,Z) (cm) on IP position | |
234 | pileup->SetCutVertexZ(3.); // Truncate at 3 sigma | |
235 | pileup->SetVertexSmear(kPerEvent); | |
236 | ||
237 | pileup->Init(); | |
238 | ||
239 | // FIELD | |
240 | // | |
f7a1cc68 | 241 | AliMagF* field = 0x0; |
8498bdf5 | 242 | if (mag == kNoField) { |
243 | comment = comment.Append(" | L3 field 0.0 T"); | |
4642ac4b | 244 | field = new AliMagF("Maps","Maps", 0., 0., AliMagF::k5kGUniform); |
573540a1 | 245 | } else if (mag == k5kG) { |
8498bdf5 | 246 | comment = comment.Append(" | L3 field 0.5 T"); |
4642ac4b | 247 | field = new AliMagF("Maps","Maps", -1., -1., AliMagF::k5kG); |
8498bdf5 | 248 | } |
249 | printf("\n \n Comment: %s \n \n", comment.Data()); | |
f7a1cc68 | 250 | TGeoGlobalMagField::Instance()->SetField(field); |
8498bdf5 | 251 | |
252 | rl->CdGAFile(); | |
8498bdf5 | 253 | |
254 | Int_t iABSO = 1; | |
255 | Int_t iACORDE= 0; | |
256 | Int_t iDIPO = 1; | |
257 | Int_t iEMCAL = 0; | |
258 | Int_t iFMD = 1; | |
259 | Int_t iFRAME = 1; | |
260 | Int_t iHALL = 1; | |
261 | Int_t iITS = 1; | |
262 | Int_t iMAG = 1; | |
263 | Int_t iMUON = 1; | |
264 | Int_t iPHOS = 1; | |
265 | Int_t iPIPE = 1; | |
266 | Int_t iPMD = 0; | |
267 | Int_t iHMPID = 1; | |
268 | Int_t iSHIL = 1; | |
269 | Int_t iT0 = 1; | |
270 | Int_t iTOF = 1; | |
271 | Int_t iTPC = 1; | |
272 | Int_t iTRD = 1; | |
273 | Int_t iVZERO = 1; | |
274 | Int_t iZDC = 1; | |
275 | ||
276 | ||
277 | //=================== Alice BODY parameters ============================= | |
278 | AliBODY *BODY = new AliBODY("BODY", "Alice envelop"); | |
279 | ||
280 | ||
281 | if (iMAG) | |
282 | { | |
283 | //=================== MAG parameters ============================ | |
284 | // --- Start with Magnet since detector layouts may be depending --- | |
285 | // --- on the selected Magnet dimensions --- | |
286 | AliMAG *MAG = new AliMAG("MAG", "Magnet"); | |
287 | } | |
288 | ||
289 | ||
290 | if (iABSO) | |
291 | { | |
292 | //=================== ABSO parameters ============================ | |
293 | AliABSO *ABSO = new AliABSOv3("ABSO", "Muon Absorber"); | |
294 | } | |
295 | ||
296 | if (iDIPO) | |
297 | { | |
298 | //=================== DIPO parameters ============================ | |
299 | ||
300 | AliDIPO *DIPO = new AliDIPOv3("DIPO", "Dipole version 3"); | |
301 | } | |
302 | ||
303 | if (iHALL) | |
304 | { | |
305 | //=================== HALL parameters ============================ | |
306 | ||
307 | AliHALL *HALL = new AliHALLv3("HALL", "Alice Hall"); | |
308 | } | |
309 | ||
310 | ||
311 | if (iFRAME) | |
312 | { | |
313 | //=================== FRAME parameters ============================ | |
314 | ||
315 | AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame"); | |
316 | FRAME->SetHoles(1); | |
317 | } | |
318 | ||
319 | if (iSHIL) | |
320 | { | |
321 | //=================== SHIL parameters ============================ | |
322 | ||
323 | AliSHIL *SHIL = new AliSHILv3("SHIL", "Shielding Version 3"); | |
324 | } | |
325 | ||
326 | ||
327 | if (iPIPE) | |
328 | { | |
329 | //=================== PIPE parameters ============================ | |
330 | ||
331 | AliPIPE *PIPE = new AliPIPEv3("PIPE", "Beam Pipe"); | |
332 | } | |
333 | ||
334 | if (iITS) | |
335 | { | |
336 | //=================== ITS parameters ============================ | |
337 | ||
338 | AliITS *ITS = new AliITSv11Hybrid("ITS","ITS v11Hybrid"); | |
339 | } | |
340 | ||
341 | if (iTPC) | |
342 | { | |
343 | //============================ TPC parameters ===================== | |
344 | ||
345 | AliTPC *TPC = new AliTPCv2("TPC", "Default"); | |
346 | } | |
347 | ||
348 | ||
349 | if (iTOF) { | |
350 | //=================== TOF parameters ============================ | |
351 | ||
352 | AliTOF *TOF = new AliTOFv6T0("TOF", "normal TOF"); | |
353 | } | |
354 | ||
355 | ||
356 | if (iHMPID) | |
357 | { | |
358 | //=================== HMPID parameters =========================== | |
359 | ||
360 | AliHMPID *HMPID = new AliHMPIDv3("HMPID", "normal HMPID"); | |
361 | ||
362 | } | |
363 | ||
364 | ||
365 | if (iZDC) | |
366 | { | |
367 | //=================== ZDC parameters ============================ | |
368 | ||
369 | AliZDC *ZDC = new AliZDCv3("ZDC", "normal ZDC"); | |
370 | } | |
371 | ||
372 | if (iTRD) | |
373 | { | |
374 | //=================== TRD parameters ============================ | |
375 | ||
376 | AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator"); | |
377 | AliTRDgeometry *geoTRD = TRD->GetGeometry(); | |
378 | // Partial geometry: modules at 0,8,9,17 | |
379 | // starting at 3h in positive direction | |
380 | geoTRD->SetSMstatus(1,0); | |
381 | geoTRD->SetSMstatus(2,0); | |
382 | geoTRD->SetSMstatus(3,0); | |
383 | geoTRD->SetSMstatus(4,0); | |
384 | geoTRD->SetSMstatus(5,0); | |
385 | geoTRD->SetSMstatus(6,0); | |
386 | geoTRD->SetSMstatus(7,0); | |
387 | geoTRD->SetSMstatus(10,0); | |
388 | geoTRD->SetSMstatus(11,0); | |
389 | geoTRD->SetSMstatus(12,0); | |
390 | geoTRD->SetSMstatus(13,0); | |
391 | geoTRD->SetSMstatus(14,0); | |
392 | geoTRD->SetSMstatus(15,0); | |
393 | geoTRD->SetSMstatus(16,0); | |
394 | } | |
395 | ||
396 | if (iFMD) | |
397 | { | |
398 | //=================== FMD parameters ============================ | |
399 | ||
400 | AliFMD *FMD = new AliFMDv1("FMD", "normal FMD"); | |
401 | } | |
402 | ||
403 | if (iMUON) | |
404 | { | |
405 | //=================== MUON parameters =========================== | |
406 | // New MUONv1 version (geometry defined via builders) | |
407 | ||
408 | AliMUON *MUON = new AliMUONv1("MUON", "default"); | |
409 | } | |
410 | ||
411 | if (iPHOS) | |
412 | { | |
413 | //=================== PHOS parameters =========================== | |
414 | ||
415 | AliPHOS *PHOS = new AliPHOSv1("PHOS", "IHEP"); | |
416 | //Set simulation parameters different from the default ones. | |
417 | AliPHOSSimParam* simEmc = AliPHOSSimParam::GetInstance() ; | |
418 | ||
419 | // APD noise of warm (+20C) PHOS: | |
420 | // a2 = a1*(Y1/Y2)*(M1/M2), where a1 = 0.012 is APD noise at -25C, | |
421 | // Y1 = 4.3 photo-electrons/MeV, Y2 = 1.7 p.e/MeV - light yields at -25C and +20C, | |
422 | // M1 = 50, M2 = 50 - APD gain factors chosen for t1 = -25C and t2 = +20C, | |
423 | // Y = MeanLightYield*APDEfficiency. | |
424 | ||
425 | Float_t apdNoise = 0.012*2.5; | |
426 | simEmc->SetAPDNoise(apdNoise); | |
427 | ||
428 | //Raw Light Yield at +20C | |
429 | simEmc->SetMeanLightYield(18800); | |
430 | ||
431 | //ADC channel width at +18C. | |
432 | simEmc->SetADCchannelW(0.0125); | |
433 | } | |
434 | ||
435 | ||
436 | if (iPMD) | |
437 | { | |
438 | //=================== PMD parameters ============================ | |
439 | ||
440 | AliPMD *PMD = new AliPMDv1("PMD", "normal PMD"); | |
441 | } | |
442 | ||
443 | if (iT0) | |
444 | { | |
445 | //=================== T0 parameters ============================ | |
446 | AliT0 *T0 = new AliT0v1("T0", "T0 Detector"); | |
447 | } | |
448 | ||
449 | if (iEMCAL) | |
450 | { | |
451 | //=================== EMCAL parameters ============================ | |
452 | ||
453 | AliEMCAL *EMCAL = new AliEMCALv2("EMCAL", "EMCAL_COMPLETE"); | |
454 | } | |
455 | ||
456 | if (iACORDE) | |
457 | { | |
458 | //=================== ACORDE parameters ============================ | |
459 | ||
460 | AliACORDE *ACORDE = new AliACORDEv1("ACORDE", "normal ACORDE"); | |
461 | } | |
462 | ||
463 | if (iVZERO) | |
464 | { | |
465 | //=================== ACORDE parameters ============================ | |
466 | ||
467 | AliVZERO *VZERO = new AliVZEROv7("VZERO", "normal VZERO"); | |
468 | } | |
469 | } | |
470 | // | |
471 | // PYTHIA | |
472 | // | |
473 | ||
474 | AliGenerator* MbPythia() | |
475 | { | |
476 | comment = comment.Append(" pp at 14 TeV: Pythia low-pt"); | |
477 | // | |
478 | // Pythia | |
479 | AliGenPythia* pythia = new AliGenPythia(-1); | |
480 | pythia->SetMomentumRange(0, 999999.); | |
481 | pythia->SetThetaRange(0., 180.); | |
482 | pythia->SetYRange(-12.,12.); | |
483 | pythia->SetPtRange(0,1000.); | |
484 | pythia->SetProcess(kPyMb); | |
485 | pythia->SetEnergyCMS(energy); | |
486 | ||
487 | return pythia; | |
488 | } | |
489 | ||
490 | AliGenerator* MbPhojet() | |
491 | { | |
492 | comment = comment.Append(" pp at 14 TeV: Pythia low-pt"); | |
493 | // | |
494 | // DPMJET | |
495 | #if defined(__CINT__) | |
496 | gSystem->Load("libdpmjet"); // Parton density functions | |
497 | gSystem->Load("libTDPMjet"); // Parton density functions | |
498 | #endif | |
499 | AliGenDPMjet* dpmjet = new AliGenDPMjet(-1); | |
500 | dpmjet->SetMomentumRange(0, 999999.); | |
501 | dpmjet->SetThetaRange(0., 180.); | |
502 | dpmjet->SetYRange(-12.,12.); | |
503 | dpmjet->SetPtRange(0,1000.); | |
504 | dpmjet->SetProcess(kDpmMb); | |
505 | dpmjet->SetEnergyCMS(energy); | |
506 | ||
507 | return dpmjet; | |
508 | } | |
509 | ||
510 | void ProcessEnvironmentVars() | |
511 | { | |
512 | // Run type | |
513 | if (gSystem->Getenv("CONFIG_RUN_TYPE")) { | |
514 | for (Int_t iRun = 0; iRun < kRunMax; iRun++) { | |
515 | if (strcmp(gSystem->Getenv("CONFIG_RUN_TYPE"), pprRunName[iRun])==0) { | |
516 | proc = (PDC06Proc_t)iRun; | |
517 | cout<<"Run type set to "<<pprRunName[iRun]<<endl; | |
518 | } | |
519 | } | |
520 | } | |
521 | ||
522 | // Field | |
523 | if (gSystem->Getenv("CONFIG_FIELD")) { | |
524 | for (Int_t iField = 0; iField < kFieldMax; iField++) { | |
525 | if (strcmp(gSystem->Getenv("CONFIG_FIELD"), pprField[iField])==0) { | |
526 | mag = (Mag_t)iField; | |
527 | cout<<"Field set to "<<pprField[iField]<<endl; | |
528 | } | |
529 | } | |
530 | } | |
531 | ||
532 | // Energy | |
533 | if (gSystem->Getenv("CONFIG_ENERGY")) { | |
534 | energy = atoi(gSystem->Getenv("CONFIG_ENERGY")); | |
535 | cout<<"Energy set to "<<energy<<" GeV"<<endl; | |
536 | } | |
537 | ||
538 | // Random Number seed | |
539 | if (gSystem->Getenv("CONFIG_SEED")) { | |
540 | seed = atoi(gSystem->Getenv("CONFIG_SEED")); | |
541 | } | |
542 | } |