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" |
24 | #include "STEER/AliMagFCheb.h" |
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 | |
61 | //--- Magnetic Field --- |
62 | enum Mag_t |
63 | { |
64 | kNoField, k5kG, kFieldMax |
65 | }; |
66 | |
67 | const char * pprField[] = { |
68 | "kNoField", "k5kG" |
69 | }; |
70 | |
71 | //--- Functions --- |
72 | class AliGenPythia; |
73 | AliGenerator *MbPythia(); |
74 | AliGenerator *MbPhojet(); |
75 | void ProcessEnvironmentVars(); |
76 | |
77 | // Geterator, field, beam energy |
78 | static PDC06Proc_t proc = kPhojet; |
79 | static Mag_t mag = k5kG; |
80 | static Float_t energy = 10000; // energy in CMS |
81 | //========================// |
82 | // Set Random Number seed // |
83 | //========================// |
84 | TDatime dt; |
85 | static UInt_t seed = dt.Get(); |
86 | |
87 | // Comment line |
88 | static TString comment; |
89 | |
90 | void Config() |
91 | { |
92 | |
93 | |
94 | // Get settings from environment variables |
95 | ProcessEnvironmentVars(); |
96 | |
97 | gRandom->SetSeed(seed); |
98 | cerr<<"Seed for random number generation= "<<seed<<endl; |
99 | |
100 | // Libraries required by geant321 |
101 | #if defined(__CINT__) |
102 | gSystem->Load("liblhapdf"); // Parton density functions |
103 | gSystem->Load("libEGPythia6"); // TGenerator interface |
104 | gSystem->Load("libpythia6"); // Pythia |
105 | gSystem->Load("libAliPythia6"); // ALICE specific implementations |
106 | gSystem->Load("libgeant321"); |
107 | #endif |
108 | |
109 | new TGeant3TGeo("C++ Interface to Geant3"); |
110 | |
111 | //======================================================================= |
112 | // Create the output file |
113 | |
114 | |
115 | AliRunLoader* rl=0x0; |
116 | |
117 | cout<<"Config.C: Creating Run Loader ..."<<endl; |
118 | rl = AliRunLoader::Open("galice.root", |
119 | AliConfig::GetDefaultEventFolderName(), |
120 | "recreate"); |
121 | if (rl == 0x0) |
122 | { |
123 | gAlice->Fatal("Config.C","Can not instatiate the Run Loader"); |
124 | return; |
125 | } |
126 | rl->SetCompressionLevel(2); |
127 | rl->SetNumberOfEventsPerFile(1000); |
128 | gAlice->SetRunLoader(rl); |
129 | // gAlice->SetGeometryFromFile("geometry.root"); |
130 | // gAlice->SetGeometryFromCDB(); |
131 | |
132 | // Set the trigger configuration: proton-proton |
133 | gAlice->SetTriggerDescriptor("p-p"); |
134 | |
135 | // |
136 | //======================================================================= |
137 | // ************* STEERING parameters FOR ALICE SIMULATION ************** |
138 | // --- Specify event type to be tracked through the ALICE setup |
139 | // --- All positions are in cm, angles in degrees, and P and E in GeV |
140 | |
141 | |
142 | gMC->SetProcess("DCAY",1); |
143 | gMC->SetProcess("PAIR",1); |
144 | gMC->SetProcess("COMP",1); |
145 | gMC->SetProcess("PHOT",1); |
146 | gMC->SetProcess("PFIS",0); |
147 | gMC->SetProcess("DRAY",0); |
148 | gMC->SetProcess("ANNI",1); |
149 | gMC->SetProcess("BREM",1); |
150 | gMC->SetProcess("MUNU",1); |
151 | gMC->SetProcess("CKOV",1); |
152 | gMC->SetProcess("HADR",1); |
153 | gMC->SetProcess("LOSS",2); |
154 | gMC->SetProcess("MULS",1); |
155 | gMC->SetProcess("RAYL",1); |
156 | |
157 | Float_t cut = 1.e-3; // 1MeV cut by default |
158 | Float_t tofmax = 1.e10; |
159 | |
160 | gMC->SetCut("CUTGAM", cut); |
161 | gMC->SetCut("CUTELE", cut); |
162 | gMC->SetCut("CUTNEU", cut); |
163 | gMC->SetCut("CUTHAD", cut); |
164 | gMC->SetCut("CUTMUO", cut); |
165 | gMC->SetCut("BCUTE", cut); |
166 | gMC->SetCut("BCUTM", cut); |
167 | gMC->SetCut("DCUTE", cut); |
168 | gMC->SetCut("DCUTM", cut); |
169 | gMC->SetCut("PPCUTM", cut); |
170 | gMC->SetCut("TOFMAX", tofmax); |
171 | |
172 | |
173 | |
174 | |
175 | //======================// |
176 | // Set External decayer // |
177 | //======================// |
178 | TVirtualMCDecayer* decayer = new AliDecayerPythia(); |
179 | decayer->SetForceDecay(kAll); |
180 | decayer->Init(); |
181 | gMC->SetExternalDecayer(decayer); |
182 | |
183 | //=========================// |
184 | // Generator Configuration // |
185 | //=========================// |
186 | // Create pileup generator |
187 | AliGenPileup *pileup = new AliGenPileup(); |
188 | |
189 | AliGenerator* gener = 0x0; |
190 | |
191 | if (proc == kPythia6) { |
192 | gener = MbPythia(); |
193 | } else if (proc == kPhojet) { |
194 | gener = MbPhojet(); |
195 | } |
196 | |
197 | // Set the pileup interaction generator |
198 | // The second argument is the pileup rate |
199 | // in terms of event rate per bunch crossing |
200 | pileup->SetGenerator(gener,0.01); |
201 | // Set the beam time structure |
202 | // Details on the syntax in STEER/AliTriggerBCMask |
203 | pileup->SetBCMask("72(1H1L)3420L"); |
204 | // Examples of the pileup rate and beam structure settings |
205 | // Most of the information is taken from the LHC commissionning page |
206 | // rate from 0.01 (at 900GeV) to 0.76 (at 14TeV) |
207 | // 1 bunch/orbit - bc-mask = "1H3563L" |
208 | // 43 bunches/orbit - bc-mask = "43(1H80L)81L" |
209 | // 72 bunches/orbit - bc-mask = "72(1H1L)3420L" (50ns mode) |
210 | // Please note that most of these setting should be cross-checked because |
211 | // for example the 43 bunches mode is taken at CMS IP and not the ALICE one. |
212 | |
213 | // Generate the trigger interaction |
214 | pileup->GenerateTrigInteraction(kTRUE); |
215 | |
216 | // PRIMARY VERTEX |
217 | // |
218 | pileup->SetOrigin(0., 0., 0.); // vertex position |
219 | // |
220 | // |
221 | // Size of the interaction diamond |
222 | // Longitudinal |
223 | Float_t sigmaz = 5.4 / TMath::Sqrt(2.); // [cm] |
224 | if (energy == 900) |
225 | sigmaz = 10.5 / TMath::Sqrt(2.); // [cm] |
226 | // |
227 | // Transverse |
228 | Float_t betast = 10; // beta* [m] |
229 | Float_t eps = 3.75e-6; // emittance [m] |
230 | Float_t gamma = energy / 2.0 / 0.938272; // relativistic gamma [1] |
231 | Float_t sigmaxy = TMath::Sqrt(eps * betast / gamma) / TMath::Sqrt(2.) * 100.; // [cm] |
232 | printf("\n \n Diamond size x-y: %10.3e z: %10.3e\n \n", sigmaxy, sigmaz); |
233 | |
234 | pileup->SetSigma(sigmaxy, sigmaxy, sigmaz); // Sigma in (X,Y,Z) (cm) on IP position |
235 | pileup->SetCutVertexZ(3.); // Truncate at 3 sigma |
236 | pileup->SetVertexSmear(kPerEvent); |
237 | |
238 | pileup->Init(); |
239 | |
240 | // FIELD |
241 | // |
242 | AliMagFCheb* field = 0x0; |
243 | if (mag == kNoField) { |
244 | comment = comment.Append(" | L3 field 0.0 T"); |
245 | field = new AliMagFCheb("Maps","Maps", 2, 0., 10., AliMagFCheb::k2kG); |
246 | } else if (mag == k5kG) { |
247 | comment = comment.Append(" | L3 field 0.5 T"); |
248 | field = new AliMagFCheb("Maps","Maps", 2, 1., 10., AliMagFCheb::k5kG); |
249 | } |
250 | printf("\n \n Comment: %s \n \n", comment.Data()); |
251 | |
252 | rl->CdGAFile(); |
253 | gAlice->SetField(field); |
254 | |
255 | |
256 | |
257 | Int_t iABSO = 1; |
258 | Int_t iACORDE= 0; |
259 | Int_t iDIPO = 1; |
260 | Int_t iEMCAL = 0; |
261 | Int_t iFMD = 1; |
262 | Int_t iFRAME = 1; |
263 | Int_t iHALL = 1; |
264 | Int_t iITS = 1; |
265 | Int_t iMAG = 1; |
266 | Int_t iMUON = 1; |
267 | Int_t iPHOS = 1; |
268 | Int_t iPIPE = 1; |
269 | Int_t iPMD = 0; |
270 | Int_t iHMPID = 1; |
271 | Int_t iSHIL = 1; |
272 | Int_t iT0 = 1; |
273 | Int_t iTOF = 1; |
274 | Int_t iTPC = 1; |
275 | Int_t iTRD = 1; |
276 | Int_t iVZERO = 1; |
277 | Int_t iZDC = 1; |
278 | |
279 | |
280 | //=================== Alice BODY parameters ============================= |
281 | AliBODY *BODY = new AliBODY("BODY", "Alice envelop"); |
282 | |
283 | |
284 | if (iMAG) |
285 | { |
286 | //=================== MAG parameters ============================ |
287 | // --- Start with Magnet since detector layouts may be depending --- |
288 | // --- on the selected Magnet dimensions --- |
289 | AliMAG *MAG = new AliMAG("MAG", "Magnet"); |
290 | } |
291 | |
292 | |
293 | if (iABSO) |
294 | { |
295 | //=================== ABSO parameters ============================ |
296 | AliABSO *ABSO = new AliABSOv3("ABSO", "Muon Absorber"); |
297 | } |
298 | |
299 | if (iDIPO) |
300 | { |
301 | //=================== DIPO parameters ============================ |
302 | |
303 | AliDIPO *DIPO = new AliDIPOv3("DIPO", "Dipole version 3"); |
304 | } |
305 | |
306 | if (iHALL) |
307 | { |
308 | //=================== HALL parameters ============================ |
309 | |
310 | AliHALL *HALL = new AliHALLv3("HALL", "Alice Hall"); |
311 | } |
312 | |
313 | |
314 | if (iFRAME) |
315 | { |
316 | //=================== FRAME parameters ============================ |
317 | |
318 | AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame"); |
319 | FRAME->SetHoles(1); |
320 | } |
321 | |
322 | if (iSHIL) |
323 | { |
324 | //=================== SHIL parameters ============================ |
325 | |
326 | AliSHIL *SHIL = new AliSHILv3("SHIL", "Shielding Version 3"); |
327 | } |
328 | |
329 | |
330 | if (iPIPE) |
331 | { |
332 | //=================== PIPE parameters ============================ |
333 | |
334 | AliPIPE *PIPE = new AliPIPEv3("PIPE", "Beam Pipe"); |
335 | } |
336 | |
337 | if (iITS) |
338 | { |
339 | //=================== ITS parameters ============================ |
340 | |
341 | AliITS *ITS = new AliITSv11Hybrid("ITS","ITS v11Hybrid"); |
342 | } |
343 | |
344 | if (iTPC) |
345 | { |
346 | //============================ TPC parameters ===================== |
347 | |
348 | AliTPC *TPC = new AliTPCv2("TPC", "Default"); |
349 | } |
350 | |
351 | |
352 | if (iTOF) { |
353 | //=================== TOF parameters ============================ |
354 | |
355 | AliTOF *TOF = new AliTOFv6T0("TOF", "normal TOF"); |
356 | } |
357 | |
358 | |
359 | if (iHMPID) |
360 | { |
361 | //=================== HMPID parameters =========================== |
362 | |
363 | AliHMPID *HMPID = new AliHMPIDv3("HMPID", "normal HMPID"); |
364 | |
365 | } |
366 | |
367 | |
368 | if (iZDC) |
369 | { |
370 | //=================== ZDC parameters ============================ |
371 | |
372 | AliZDC *ZDC = new AliZDCv3("ZDC", "normal ZDC"); |
373 | } |
374 | |
375 | if (iTRD) |
376 | { |
377 | //=================== TRD parameters ============================ |
378 | |
379 | AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator"); |
380 | AliTRDgeometry *geoTRD = TRD->GetGeometry(); |
381 | // Partial geometry: modules at 0,8,9,17 |
382 | // starting at 3h in positive direction |
383 | geoTRD->SetSMstatus(1,0); |
384 | geoTRD->SetSMstatus(2,0); |
385 | geoTRD->SetSMstatus(3,0); |
386 | geoTRD->SetSMstatus(4,0); |
387 | geoTRD->SetSMstatus(5,0); |
388 | geoTRD->SetSMstatus(6,0); |
389 | geoTRD->SetSMstatus(7,0); |
390 | geoTRD->SetSMstatus(10,0); |
391 | geoTRD->SetSMstatus(11,0); |
392 | geoTRD->SetSMstatus(12,0); |
393 | geoTRD->SetSMstatus(13,0); |
394 | geoTRD->SetSMstatus(14,0); |
395 | geoTRD->SetSMstatus(15,0); |
396 | geoTRD->SetSMstatus(16,0); |
397 | } |
398 | |
399 | if (iFMD) |
400 | { |
401 | //=================== FMD parameters ============================ |
402 | |
403 | AliFMD *FMD = new AliFMDv1("FMD", "normal FMD"); |
404 | } |
405 | |
406 | if (iMUON) |
407 | { |
408 | //=================== MUON parameters =========================== |
409 | // New MUONv1 version (geometry defined via builders) |
410 | |
411 | AliMUON *MUON = new AliMUONv1("MUON", "default"); |
412 | } |
413 | |
414 | if (iPHOS) |
415 | { |
416 | //=================== PHOS parameters =========================== |
417 | |
418 | AliPHOS *PHOS = new AliPHOSv1("PHOS", "IHEP"); |
419 | //Set simulation parameters different from the default ones. |
420 | AliPHOSSimParam* simEmc = AliPHOSSimParam::GetInstance() ; |
421 | |
422 | // APD noise of warm (+20C) PHOS: |
423 | // a2 = a1*(Y1/Y2)*(M1/M2), where a1 = 0.012 is APD noise at -25C, |
424 | // Y1 = 4.3 photo-electrons/MeV, Y2 = 1.7 p.e/MeV - light yields at -25C and +20C, |
425 | // M1 = 50, M2 = 50 - APD gain factors chosen for t1 = -25C and t2 = +20C, |
426 | // Y = MeanLightYield*APDEfficiency. |
427 | |
428 | Float_t apdNoise = 0.012*2.5; |
429 | simEmc->SetAPDNoise(apdNoise); |
430 | |
431 | //Raw Light Yield at +20C |
432 | simEmc->SetMeanLightYield(18800); |
433 | |
434 | //ADC channel width at +18C. |
435 | simEmc->SetADCchannelW(0.0125); |
436 | } |
437 | |
438 | |
439 | if (iPMD) |
440 | { |
441 | //=================== PMD parameters ============================ |
442 | |
443 | AliPMD *PMD = new AliPMDv1("PMD", "normal PMD"); |
444 | } |
445 | |
446 | if (iT0) |
447 | { |
448 | //=================== T0 parameters ============================ |
449 | AliT0 *T0 = new AliT0v1("T0", "T0 Detector"); |
450 | } |
451 | |
452 | if (iEMCAL) |
453 | { |
454 | //=================== EMCAL parameters ============================ |
455 | |
456 | AliEMCAL *EMCAL = new AliEMCALv2("EMCAL", "EMCAL_COMPLETE"); |
457 | } |
458 | |
459 | if (iACORDE) |
460 | { |
461 | //=================== ACORDE parameters ============================ |
462 | |
463 | AliACORDE *ACORDE = new AliACORDEv1("ACORDE", "normal ACORDE"); |
464 | } |
465 | |
466 | if (iVZERO) |
467 | { |
468 | //=================== ACORDE parameters ============================ |
469 | |
470 | AliVZERO *VZERO = new AliVZEROv7("VZERO", "normal VZERO"); |
471 | } |
472 | } |
473 | // |
474 | // PYTHIA |
475 | // |
476 | |
477 | AliGenerator* MbPythia() |
478 | { |
479 | comment = comment.Append(" pp at 14 TeV: Pythia low-pt"); |
480 | // |
481 | // Pythia |
482 | AliGenPythia* pythia = new AliGenPythia(-1); |
483 | pythia->SetMomentumRange(0, 999999.); |
484 | pythia->SetThetaRange(0., 180.); |
485 | pythia->SetYRange(-12.,12.); |
486 | pythia->SetPtRange(0,1000.); |
487 | pythia->SetProcess(kPyMb); |
488 | pythia->SetEnergyCMS(energy); |
489 | |
490 | return pythia; |
491 | } |
492 | |
493 | AliGenerator* MbPhojet() |
494 | { |
495 | comment = comment.Append(" pp at 14 TeV: Pythia low-pt"); |
496 | // |
497 | // DPMJET |
498 | #if defined(__CINT__) |
499 | gSystem->Load("libdpmjet"); // Parton density functions |
500 | gSystem->Load("libTDPMjet"); // Parton density functions |
501 | #endif |
502 | AliGenDPMjet* dpmjet = new AliGenDPMjet(-1); |
503 | dpmjet->SetMomentumRange(0, 999999.); |
504 | dpmjet->SetThetaRange(0., 180.); |
505 | dpmjet->SetYRange(-12.,12.); |
506 | dpmjet->SetPtRange(0,1000.); |
507 | dpmjet->SetProcess(kDpmMb); |
508 | dpmjet->SetEnergyCMS(energy); |
509 | |
510 | return dpmjet; |
511 | } |
512 | |
513 | void ProcessEnvironmentVars() |
514 | { |
515 | // Run type |
516 | if (gSystem->Getenv("CONFIG_RUN_TYPE")) { |
517 | for (Int_t iRun = 0; iRun < kRunMax; iRun++) { |
518 | if (strcmp(gSystem->Getenv("CONFIG_RUN_TYPE"), pprRunName[iRun])==0) { |
519 | proc = (PDC06Proc_t)iRun; |
520 | cout<<"Run type set to "<<pprRunName[iRun]<<endl; |
521 | } |
522 | } |
523 | } |
524 | |
525 | // Field |
526 | if (gSystem->Getenv("CONFIG_FIELD")) { |
527 | for (Int_t iField = 0; iField < kFieldMax; iField++) { |
528 | if (strcmp(gSystem->Getenv("CONFIG_FIELD"), pprField[iField])==0) { |
529 | mag = (Mag_t)iField; |
530 | cout<<"Field set to "<<pprField[iField]<<endl; |
531 | } |
532 | } |
533 | } |
534 | |
535 | // Energy |
536 | if (gSystem->Getenv("CONFIG_ENERGY")) { |
537 | energy = atoi(gSystem->Getenv("CONFIG_ENERGY")); |
538 | cout<<"Energy set to "<<energy<<" GeV"<<endl; |
539 | } |
540 | |
541 | // Random Number seed |
542 | if (gSystem->Getenv("CONFIG_SEED")) { |
543 | seed = atoi(gSystem->Getenv("CONFIG_SEED")); |
544 | } |
545 | } |