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28b75255 | 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" | |
0fcbe7a4 | 24 | #include "STEER/AliMagFCheb.h" |
28b75255 | 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" | |
aad1175b | 43 | #include "PHOS/AliPHOSSimParam.h" |
28b75255 | 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 | ||
28b75255 | 61 | enum Mag_t |
62 | { | |
63 | kNoField, k5kG, kFieldMax | |
64 | }; | |
65 | ||
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; | |
78 | static Mag_t mag = k5kG; | |
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 | AliGenerator* gener = 0x0; | |
186 | ||
187 | if (proc == kPythia6) { | |
188 | gener = MbPythia(); | |
189 | } else if (proc == kPhojet) { | |
190 | gener = MbPhojet(); | |
191 | } | |
192 | ||
193 | ||
194 | ||
195 | // PRIMARY VERTEX | |
196 | // | |
197 | gener->SetOrigin(0., 0., 0.); // vertex position | |
198 | // | |
199 | // | |
200 | // Size of the interaction diamond | |
201 | // Longitudinal | |
aad1175b | 202 | Float_t sigmaz = 5.4 / TMath::Sqrt(2.); // [cm] |
203 | if (energy == 900) | |
204 | sigmaz = 10.5 / TMath::Sqrt(2.); // [cm] | |
28b75255 | 205 | // |
206 | // Transverse | |
207 | Float_t betast = 10; // beta* [m] | |
208 | Float_t eps = 3.75e-6; // emittance [m] | |
209 | Float_t gamma = energy / 2.0 / 0.938272; // relativistic gamma [1] | |
210 | Float_t sigmaxy = TMath::Sqrt(eps * betast / gamma) / TMath::Sqrt(2.) * 100.; // [cm] | |
211 | printf("\n \n Diamond size x-y: %10.3e z: %10.3e\n \n", sigmaxy, sigmaz); | |
212 | ||
213 | gener->SetSigma(sigmaxy, sigmaxy, sigmaz); // Sigma in (X,Y,Z) (cm) on IP position | |
214 | gener->SetCutVertexZ(3.); // Truncate at 3 sigma | |
215 | gener->SetVertexSmear(kPerEvent); | |
216 | ||
217 | gener->Init(); | |
218 | ||
219 | // FIELD | |
220 | // | |
f7a1cc68 | 221 | AliMagF* field = 0x0; |
28b75255 | 222 | if (mag == kNoField) { |
223 | comment = comment.Append(" | L3 field 0.0 T"); | |
99c7d495 | 224 | field = new AliMagF("Maps","Maps", 2, 0., 0., 10., AliMagF::k5kGUniform, |
fc558583 | 225 | "$(ALICE_ROOT)/data/maps/mfchebKGI_sym.root", |
226 | AliMagF::kBeamTypepp, energy/2.0); | |
28b75255 | 227 | } else if (mag == k5kG) { |
228 | comment = comment.Append(" | L3 field 0.5 T"); | |
99c7d495 | 229 | field = new AliMagF("Maps","Maps", 2, -1., -1., 10., AliMagF::k5kG, |
fc558583 | 230 | "$(ALICE_ROOT)/data/maps/mfchebKGI_sym.root", |
231 | AliMagF::kBeamTypepp, energy/2.0); | |
28b75255 | 232 | } |
233 | printf("\n \n Comment: %s \n \n", comment.Data()); | |
f7a1cc68 | 234 | |
235 | TGeoGlobalMagField::Instance()->SetField(field); | |
28b75255 | 236 | |
237 | rl->CdGAFile(); | |
f7a1cc68 | 238 | |
28b75255 | 239 | Int_t iABSO = 1; |
240 | Int_t iACORDE= 0; | |
241 | Int_t iDIPO = 1; | |
fc558583 | 242 | Int_t iEMCAL = 1; |
28b75255 | 243 | Int_t iFMD = 1; |
244 | Int_t iFRAME = 1; | |
245 | Int_t iHALL = 1; | |
246 | Int_t iITS = 1; | |
247 | Int_t iMAG = 1; | |
248 | Int_t iMUON = 1; | |
249 | Int_t iPHOS = 1; | |
250 | Int_t iPIPE = 1; | |
fc558583 | 251 | Int_t iPMD = 1; |
28b75255 | 252 | Int_t iHMPID = 1; |
253 | Int_t iSHIL = 1; | |
254 | Int_t iT0 = 1; | |
255 | Int_t iTOF = 1; | |
256 | Int_t iTPC = 1; | |
257 | Int_t iTRD = 1; | |
258 | Int_t iVZERO = 1; | |
259 | Int_t iZDC = 1; | |
260 | ||
261 | ||
262 | //=================== Alice BODY parameters ============================= | |
263 | AliBODY *BODY = new AliBODY("BODY", "Alice envelop"); | |
264 | ||
265 | ||
266 | if (iMAG) | |
267 | { | |
268 | //=================== MAG parameters ============================ | |
269 | // --- Start with Magnet since detector layouts may be depending --- | |
270 | // --- on the selected Magnet dimensions --- | |
271 | AliMAG *MAG = new AliMAG("MAG", "Magnet"); | |
272 | } | |
273 | ||
274 | ||
275 | if (iABSO) | |
276 | { | |
277 | //=================== ABSO parameters ============================ | |
278 | AliABSO *ABSO = new AliABSOv3("ABSO", "Muon Absorber"); | |
279 | } | |
280 | ||
281 | if (iDIPO) | |
282 | { | |
283 | //=================== DIPO parameters ============================ | |
284 | ||
285 | AliDIPO *DIPO = new AliDIPOv3("DIPO", "Dipole version 3"); | |
286 | } | |
287 | ||
288 | if (iHALL) | |
289 | { | |
290 | //=================== HALL parameters ============================ | |
291 | ||
292 | AliHALL *HALL = new AliHALLv3("HALL", "Alice Hall"); | |
293 | } | |
294 | ||
295 | ||
296 | if (iFRAME) | |
297 | { | |
298 | //=================== FRAME parameters ============================ | |
299 | ||
300 | AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame"); | |
301 | FRAME->SetHoles(1); | |
302 | } | |
303 | ||
304 | if (iSHIL) | |
305 | { | |
306 | //=================== SHIL parameters ============================ | |
307 | ||
308 | AliSHIL *SHIL = new AliSHILv3("SHIL", "Shielding Version 3"); | |
309 | } | |
310 | ||
311 | ||
312 | if (iPIPE) | |
313 | { | |
314 | //=================== PIPE parameters ============================ | |
315 | ||
316 | AliPIPE *PIPE = new AliPIPEv3("PIPE", "Beam Pipe"); | |
317 | } | |
318 | ||
319 | if (iITS) | |
320 | { | |
321 | //=================== ITS parameters ============================ | |
322 | ||
323 | AliITS *ITS = new AliITSv11Hybrid("ITS","ITS v11Hybrid"); | |
324 | } | |
325 | ||
326 | if (iTPC) | |
327 | { | |
328 | //============================ TPC parameters ===================== | |
329 | ||
330 | AliTPC *TPC = new AliTPCv2("TPC", "Default"); | |
331 | } | |
332 | ||
333 | ||
334 | if (iTOF) { | |
335 | //=================== TOF parameters ============================ | |
336 | ||
337 | AliTOF *TOF = new AliTOFv6T0("TOF", "normal TOF"); | |
338 | } | |
339 | ||
340 | ||
341 | if (iHMPID) | |
342 | { | |
343 | //=================== HMPID parameters =========================== | |
344 | ||
345 | AliHMPID *HMPID = new AliHMPIDv3("HMPID", "normal HMPID"); | |
346 | ||
347 | } | |
348 | ||
349 | ||
350 | if (iZDC) | |
351 | { | |
352 | //=================== ZDC parameters ============================ | |
353 | ||
354 | AliZDC *ZDC = new AliZDCv3("ZDC", "normal ZDC"); | |
355 | } | |
356 | ||
357 | if (iTRD) | |
358 | { | |
359 | //=================== TRD parameters ============================ | |
360 | ||
361 | AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator"); | |
362 | AliTRDgeometry *geoTRD = TRD->GetGeometry(); | |
fc558583 | 363 | // Partial geometry: modules at 0,1,7,8,9,16,17 |
28b75255 | 364 | // starting at 3h in positive direction |
28b75255 | 365 | geoTRD->SetSMstatus(2,0); |
366 | geoTRD->SetSMstatus(3,0); | |
367 | geoTRD->SetSMstatus(4,0); | |
368 | geoTRD->SetSMstatus(5,0); | |
369 | geoTRD->SetSMstatus(6,0); | |
28b75255 | 370 | geoTRD->SetSMstatus(10,0); |
371 | geoTRD->SetSMstatus(11,0); | |
372 | geoTRD->SetSMstatus(12,0); | |
373 | geoTRD->SetSMstatus(13,0); | |
374 | geoTRD->SetSMstatus(14,0); | |
375 | geoTRD->SetSMstatus(15,0); | |
28b75255 | 376 | } |
377 | ||
378 | if (iFMD) | |
379 | { | |
380 | //=================== FMD parameters ============================ | |
381 | ||
382 | AliFMD *FMD = new AliFMDv1("FMD", "normal FMD"); | |
383 | } | |
384 | ||
385 | if (iMUON) | |
386 | { | |
387 | //=================== MUON parameters =========================== | |
388 | // New MUONv1 version (geometry defined via builders) | |
389 | ||
390 | AliMUON *MUON = new AliMUONv1("MUON", "default"); | |
391 | } | |
392 | ||
393 | if (iPHOS) | |
394 | { | |
395 | //=================== PHOS parameters =========================== | |
396 | ||
397 | AliPHOS *PHOS = new AliPHOSv1("PHOS", "IHEP"); | |
aad1175b | 398 | //Set simulation parameters different from the default ones. |
399 | AliPHOSSimParam* simEmc = AliPHOSSimParam::GetInstance() ; | |
400 | ||
401 | // APD noise of warm (+20C) PHOS: | |
402 | // a2 = a1*(Y1/Y2)*(M1/M2), where a1 = 0.012 is APD noise at -25C, | |
403 | // Y1 = 4.3 photo-electrons/MeV, Y2 = 1.7 p.e/MeV - light yields at -25C and +20C, | |
404 | // M1 = 50, M2 = 50 - APD gain factors chosen for t1 = -25C and t2 = +20C, | |
405 | // Y = MeanLightYield*APDEfficiency. | |
406 | ||
407 | Float_t apdNoise = 0.012*2.5; | |
408 | simEmc->SetAPDNoise(apdNoise); | |
409 | ||
410 | //Raw Light Yield at +20C | |
411 | simEmc->SetMeanLightYield(18800); | |
412 | ||
413 | //ADC channel width at +18C. | |
414 | simEmc->SetADCchannelW(0.0125); | |
28b75255 | 415 | } |
416 | ||
417 | ||
418 | if (iPMD) | |
419 | { | |
420 | //=================== PMD parameters ============================ | |
421 | ||
422 | AliPMD *PMD = new AliPMDv1("PMD", "normal PMD"); | |
423 | } | |
424 | ||
425 | if (iT0) | |
426 | { | |
427 | //=================== T0 parameters ============================ | |
428 | AliT0 *T0 = new AliT0v1("T0", "T0 Detector"); | |
429 | } | |
430 | ||
431 | if (iEMCAL) | |
432 | { | |
433 | //=================== EMCAL parameters ============================ | |
434 | ||
8224b11d | 435 | AliEMCAL *EMCAL = new AliEMCALv2("EMCAL", "EMCAL_COMPLETE"); |
28b75255 | 436 | } |
437 | ||
438 | if (iACORDE) | |
439 | { | |
440 | //=================== ACORDE parameters ============================ | |
441 | ||
442 | AliACORDE *ACORDE = new AliACORDEv1("ACORDE", "normal ACORDE"); | |
443 | } | |
444 | ||
445 | if (iVZERO) | |
446 | { | |
447 | //=================== ACORDE parameters ============================ | |
448 | ||
449 | AliVZERO *VZERO = new AliVZEROv7("VZERO", "normal VZERO"); | |
450 | } | |
451 | } | |
452 | // | |
453 | // PYTHIA | |
454 | // | |
455 | ||
456 | AliGenerator* MbPythia() | |
457 | { | |
458 | comment = comment.Append(" pp at 14 TeV: Pythia low-pt"); | |
459 | // | |
460 | // Pythia | |
461 | AliGenPythia* pythia = new AliGenPythia(-1); | |
462 | pythia->SetMomentumRange(0, 999999.); | |
463 | pythia->SetThetaRange(0., 180.); | |
464 | pythia->SetYRange(-12.,12.); | |
465 | pythia->SetPtRange(0,1000.); | |
466 | pythia->SetProcess(kPyMb); | |
467 | pythia->SetEnergyCMS(energy); | |
468 | ||
469 | return pythia; | |
470 | } | |
471 | ||
472 | AliGenerator* MbPhojet() | |
473 | { | |
474 | comment = comment.Append(" pp at 14 TeV: Pythia low-pt"); | |
475 | // | |
476 | // DPMJET | |
477 | #if defined(__CINT__) | |
478 | gSystem->Load("libdpmjet"); // Parton density functions | |
479 | gSystem->Load("libTDPMjet"); // Parton density functions | |
480 | #endif | |
481 | AliGenDPMjet* dpmjet = new AliGenDPMjet(-1); | |
482 | dpmjet->SetMomentumRange(0, 999999.); | |
483 | dpmjet->SetThetaRange(0., 180.); | |
484 | dpmjet->SetYRange(-12.,12.); | |
485 | dpmjet->SetPtRange(0,1000.); | |
486 | dpmjet->SetProcess(kDpmMb); | |
487 | dpmjet->SetEnergyCMS(energy); | |
488 | ||
489 | return dpmjet; | |
490 | } | |
491 | ||
492 | void ProcessEnvironmentVars() | |
493 | { | |
494 | // Run type | |
495 | if (gSystem->Getenv("CONFIG_RUN_TYPE")) { | |
496 | for (Int_t iRun = 0; iRun < kRunMax; iRun++) { | |
497 | if (strcmp(gSystem->Getenv("CONFIG_RUN_TYPE"), pprRunName[iRun])==0) { | |
498 | proc = (PDC06Proc_t)iRun; | |
499 | cout<<"Run type set to "<<pprRunName[iRun]<<endl; | |
500 | } | |
501 | } | |
502 | } | |
503 | ||
504 | // Field | |
505 | if (gSystem->Getenv("CONFIG_FIELD")) { | |
506 | for (Int_t iField = 0; iField < kFieldMax; iField++) { | |
507 | if (strcmp(gSystem->Getenv("CONFIG_FIELD"), pprField[iField])==0) { | |
508 | mag = (Mag_t)iField; | |
509 | cout<<"Field set to "<<pprField[iField]<<endl; | |
510 | } | |
511 | } | |
512 | } | |
513 | ||
514 | // Energy | |
515 | if (gSystem->Getenv("CONFIG_ENERGY")) { | |
516 | energy = atoi(gSystem->Getenv("CONFIG_ENERGY")); | |
aad1175b | 517 | cout<<"Energy set to "<<energy<<" GeV"<<endl; |
28b75255 | 518 | } |
519 | ||
520 | // Random Number seed | |
521 | if (gSystem->Getenv("CONFIG_SEED")) { | |
522 | seed = atoi(gSystem->Getenv("CONFIG_SEED")); | |
523 | } | |
524 | } |