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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" |
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24 | #include "STEER/AliMagF.h" |
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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 | |
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61 | enum Mag_t |
62 | { |
63 | kNoField, k5kG, kFieldMax |
64 | }; |
65 | |
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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; |
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78 | static Mag_t mag = k5kG; |
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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 | // |
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241 | AliMagF* field = 0x0; |
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242 | if (mag == kNoField) { |
243 | comment = comment.Append(" | L3 field 0.0 T"); |
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244 | field = new AliMagF("Maps","Maps", 2, 0., 0., 10., AliMagF::k2kG); |
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245 | } else if (mag == k5kG) { |
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246 | comment = comment.Append(" | L3 field 0.5 T"); |
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247 | field = new AliMagF("Maps","Maps", 2, 1., 1., 10., AliMagF::k5kG); |
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248 | } |
249 | printf("\n \n Comment: %s \n \n", comment.Data()); |
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250 | TGeoGlobalMagField::Instance()->SetField(field); |
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251 | |
252 | rl->CdGAFile(); |
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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 | } |