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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" | |
24 | #include "STEER/AliMagWrapCheb.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" | |
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 | ||
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 | AliGenerator* gener = 0x0; | |
187 | ||
188 | if (proc == kPythia6) { | |
189 | gener = MbPythia(); | |
190 | } else if (proc == kPhojet) { | |
191 | gener = MbPhojet(); | |
192 | } | |
193 | ||
194 | ||
195 | ||
196 | // PRIMARY VERTEX | |
197 | // | |
198 | gener->SetOrigin(0., 0., 0.); // vertex position | |
199 | // | |
200 | // | |
201 | // Size of the interaction diamond | |
202 | // Longitudinal | |
aad1175b | 203 | Float_t sigmaz = 5.4 / TMath::Sqrt(2.); // [cm] |
204 | if (energy == 900) | |
205 | sigmaz = 10.5 / TMath::Sqrt(2.); // [cm] | |
28b75255 | 206 | // |
207 | // Transverse | |
208 | Float_t betast = 10; // beta* [m] | |
209 | Float_t eps = 3.75e-6; // emittance [m] | |
210 | Float_t gamma = energy / 2.0 / 0.938272; // relativistic gamma [1] | |
211 | Float_t sigmaxy = TMath::Sqrt(eps * betast / gamma) / TMath::Sqrt(2.) * 100.; // [cm] | |
212 | printf("\n \n Diamond size x-y: %10.3e z: %10.3e\n \n", sigmaxy, sigmaz); | |
213 | ||
214 | gener->SetSigma(sigmaxy, sigmaxy, sigmaz); // Sigma in (X,Y,Z) (cm) on IP position | |
215 | gener->SetCutVertexZ(3.); // Truncate at 3 sigma | |
216 | gener->SetVertexSmear(kPerEvent); | |
217 | ||
218 | gener->Init(); | |
219 | ||
220 | // FIELD | |
221 | // | |
222 | AliMagWrapCheb* field = 0x0; | |
223 | if (mag == kNoField) { | |
224 | comment = comment.Append(" | L3 field 0.0 T"); | |
225 | field = new AliMagWrapCheb("Maps","Maps", 2, 0., 10., AliMagWrapCheb::k2kG); | |
226 | } else if (mag == k5kG) { | |
227 | comment = comment.Append(" | L3 field 0.5 T"); | |
228 | field = new AliMagWrapCheb("Maps","Maps", 2, 1., 10., AliMagWrapCheb::k5kG); | |
229 | } | |
230 | printf("\n \n Comment: %s \n \n", comment.Data()); | |
231 | ||
232 | rl->CdGAFile(); | |
233 | gAlice->SetField(field); | |
234 | ||
235 | ||
236 | ||
237 | Int_t iABSO = 1; | |
238 | Int_t iACORDE= 0; | |
239 | Int_t iDIPO = 1; | |
240 | Int_t iEMCAL = 0; | |
241 | Int_t iFMD = 1; | |
242 | Int_t iFRAME = 1; | |
243 | Int_t iHALL = 1; | |
244 | Int_t iITS = 1; | |
245 | Int_t iMAG = 1; | |
246 | Int_t iMUON = 1; | |
247 | Int_t iPHOS = 1; | |
248 | Int_t iPIPE = 1; | |
249 | Int_t iPMD = 0; | |
250 | Int_t iHMPID = 1; | |
251 | Int_t iSHIL = 1; | |
252 | Int_t iT0 = 1; | |
253 | Int_t iTOF = 1; | |
254 | Int_t iTPC = 1; | |
255 | Int_t iTRD = 1; | |
256 | Int_t iVZERO = 1; | |
257 | Int_t iZDC = 1; | |
258 | ||
259 | ||
260 | //=================== Alice BODY parameters ============================= | |
261 | AliBODY *BODY = new AliBODY("BODY", "Alice envelop"); | |
262 | ||
263 | ||
264 | if (iMAG) | |
265 | { | |
266 | //=================== MAG parameters ============================ | |
267 | // --- Start with Magnet since detector layouts may be depending --- | |
268 | // --- on the selected Magnet dimensions --- | |
269 | AliMAG *MAG = new AliMAG("MAG", "Magnet"); | |
270 | } | |
271 | ||
272 | ||
273 | if (iABSO) | |
274 | { | |
275 | //=================== ABSO parameters ============================ | |
276 | AliABSO *ABSO = new AliABSOv3("ABSO", "Muon Absorber"); | |
277 | } | |
278 | ||
279 | if (iDIPO) | |
280 | { | |
281 | //=================== DIPO parameters ============================ | |
282 | ||
283 | AliDIPO *DIPO = new AliDIPOv3("DIPO", "Dipole version 3"); | |
284 | } | |
285 | ||
286 | if (iHALL) | |
287 | { | |
288 | //=================== HALL parameters ============================ | |
289 | ||
290 | AliHALL *HALL = new AliHALLv3("HALL", "Alice Hall"); | |
291 | } | |
292 | ||
293 | ||
294 | if (iFRAME) | |
295 | { | |
296 | //=================== FRAME parameters ============================ | |
297 | ||
298 | AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame"); | |
299 | FRAME->SetHoles(1); | |
300 | } | |
301 | ||
302 | if (iSHIL) | |
303 | { | |
304 | //=================== SHIL parameters ============================ | |
305 | ||
306 | AliSHIL *SHIL = new AliSHILv3("SHIL", "Shielding Version 3"); | |
307 | } | |
308 | ||
309 | ||
310 | if (iPIPE) | |
311 | { | |
312 | //=================== PIPE parameters ============================ | |
313 | ||
314 | AliPIPE *PIPE = new AliPIPEv3("PIPE", "Beam Pipe"); | |
315 | } | |
316 | ||
317 | if (iITS) | |
318 | { | |
319 | //=================== ITS parameters ============================ | |
320 | ||
321 | AliITS *ITS = new AliITSv11Hybrid("ITS","ITS v11Hybrid"); | |
322 | } | |
323 | ||
324 | if (iTPC) | |
325 | { | |
326 | //============================ TPC parameters ===================== | |
327 | ||
328 | AliTPC *TPC = new AliTPCv2("TPC", "Default"); | |
329 | } | |
330 | ||
331 | ||
332 | if (iTOF) { | |
333 | //=================== TOF parameters ============================ | |
334 | ||
335 | AliTOF *TOF = new AliTOFv6T0("TOF", "normal TOF"); | |
336 | } | |
337 | ||
338 | ||
339 | if (iHMPID) | |
340 | { | |
341 | //=================== HMPID parameters =========================== | |
342 | ||
343 | AliHMPID *HMPID = new AliHMPIDv3("HMPID", "normal HMPID"); | |
344 | ||
345 | } | |
346 | ||
347 | ||
348 | if (iZDC) | |
349 | { | |
350 | //=================== ZDC parameters ============================ | |
351 | ||
352 | AliZDC *ZDC = new AliZDCv3("ZDC", "normal ZDC"); | |
353 | } | |
354 | ||
355 | if (iTRD) | |
356 | { | |
357 | //=================== TRD parameters ============================ | |
358 | ||
359 | AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator"); | |
360 | AliTRDgeometry *geoTRD = TRD->GetGeometry(); | |
361 | // Partial geometry: modules at 0,8,9,17 | |
362 | // starting at 3h in positive direction | |
363 | geoTRD->SetSMstatus(1,0); | |
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(7,0); | |
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); | |
376 | geoTRD->SetSMstatus(16,0); | |
377 | } | |
378 | ||
379 | if (iFMD) | |
380 | { | |
381 | //=================== FMD parameters ============================ | |
382 | ||
383 | AliFMD *FMD = new AliFMDv1("FMD", "normal FMD"); | |
384 | } | |
385 | ||
386 | if (iMUON) | |
387 | { | |
388 | //=================== MUON parameters =========================== | |
389 | // New MUONv1 version (geometry defined via builders) | |
390 | ||
391 | AliMUON *MUON = new AliMUONv1("MUON", "default"); | |
392 | } | |
393 | ||
394 | if (iPHOS) | |
395 | { | |
396 | //=================== PHOS parameters =========================== | |
397 | ||
398 | AliPHOS *PHOS = new AliPHOSv1("PHOS", "IHEP"); | |
aad1175b | 399 | //Set simulation parameters different from the default ones. |
400 | AliPHOSSimParam* simEmc = AliPHOSSimParam::GetInstance() ; | |
401 | ||
402 | // APD noise of warm (+20C) PHOS: | |
403 | // a2 = a1*(Y1/Y2)*(M1/M2), where a1 = 0.012 is APD noise at -25C, | |
404 | // Y1 = 4.3 photo-electrons/MeV, Y2 = 1.7 p.e/MeV - light yields at -25C and +20C, | |
405 | // M1 = 50, M2 = 50 - APD gain factors chosen for t1 = -25C and t2 = +20C, | |
406 | // Y = MeanLightYield*APDEfficiency. | |
407 | ||
408 | Float_t apdNoise = 0.012*2.5; | |
409 | simEmc->SetAPDNoise(apdNoise); | |
410 | ||
411 | //Raw Light Yield at +20C | |
412 | simEmc->SetMeanLightYield(18800); | |
413 | ||
414 | //ADC channel width at +18C. | |
415 | simEmc->SetADCchannelW(0.0125); | |
28b75255 | 416 | } |
417 | ||
418 | ||
419 | if (iPMD) | |
420 | { | |
421 | //=================== PMD parameters ============================ | |
422 | ||
423 | AliPMD *PMD = new AliPMDv1("PMD", "normal PMD"); | |
424 | } | |
425 | ||
426 | if (iT0) | |
427 | { | |
428 | //=================== T0 parameters ============================ | |
429 | AliT0 *T0 = new AliT0v1("T0", "T0 Detector"); | |
430 | } | |
431 | ||
432 | if (iEMCAL) | |
433 | { | |
434 | //=================== EMCAL parameters ============================ | |
435 | ||
8224b11d | 436 | AliEMCAL *EMCAL = new AliEMCALv2("EMCAL", "EMCAL_COMPLETE"); |
28b75255 | 437 | } |
438 | ||
439 | if (iACORDE) | |
440 | { | |
441 | //=================== ACORDE parameters ============================ | |
442 | ||
443 | AliACORDE *ACORDE = new AliACORDEv1("ACORDE", "normal ACORDE"); | |
444 | } | |
445 | ||
446 | if (iVZERO) | |
447 | { | |
448 | //=================== ACORDE parameters ============================ | |
449 | ||
450 | AliVZERO *VZERO = new AliVZEROv7("VZERO", "normal VZERO"); | |
451 | } | |
452 | } | |
453 | // | |
454 | // PYTHIA | |
455 | // | |
456 | ||
457 | AliGenerator* MbPythia() | |
458 | { | |
459 | comment = comment.Append(" pp at 14 TeV: Pythia low-pt"); | |
460 | // | |
461 | // Pythia | |
462 | AliGenPythia* pythia = new AliGenPythia(-1); | |
463 | pythia->SetMomentumRange(0, 999999.); | |
464 | pythia->SetThetaRange(0., 180.); | |
465 | pythia->SetYRange(-12.,12.); | |
466 | pythia->SetPtRange(0,1000.); | |
467 | pythia->SetProcess(kPyMb); | |
468 | pythia->SetEnergyCMS(energy); | |
469 | ||
470 | return pythia; | |
471 | } | |
472 | ||
473 | AliGenerator* MbPhojet() | |
474 | { | |
475 | comment = comment.Append(" pp at 14 TeV: Pythia low-pt"); | |
476 | // | |
477 | // DPMJET | |
478 | #if defined(__CINT__) | |
479 | gSystem->Load("libdpmjet"); // Parton density functions | |
480 | gSystem->Load("libTDPMjet"); // Parton density functions | |
481 | #endif | |
482 | AliGenDPMjet* dpmjet = new AliGenDPMjet(-1); | |
483 | dpmjet->SetMomentumRange(0, 999999.); | |
484 | dpmjet->SetThetaRange(0., 180.); | |
485 | dpmjet->SetYRange(-12.,12.); | |
486 | dpmjet->SetPtRange(0,1000.); | |
487 | dpmjet->SetProcess(kDpmMb); | |
488 | dpmjet->SetEnergyCMS(energy); | |
489 | ||
490 | return dpmjet; | |
491 | } | |
492 | ||
493 | void ProcessEnvironmentVars() | |
494 | { | |
495 | // Run type | |
496 | if (gSystem->Getenv("CONFIG_RUN_TYPE")) { | |
497 | for (Int_t iRun = 0; iRun < kRunMax; iRun++) { | |
498 | if (strcmp(gSystem->Getenv("CONFIG_RUN_TYPE"), pprRunName[iRun])==0) { | |
499 | proc = (PDC06Proc_t)iRun; | |
500 | cout<<"Run type set to "<<pprRunName[iRun]<<endl; | |
501 | } | |
502 | } | |
503 | } | |
504 | ||
505 | // Field | |
506 | if (gSystem->Getenv("CONFIG_FIELD")) { | |
507 | for (Int_t iField = 0; iField < kFieldMax; iField++) { | |
508 | if (strcmp(gSystem->Getenv("CONFIG_FIELD"), pprField[iField])==0) { | |
509 | mag = (Mag_t)iField; | |
510 | cout<<"Field set to "<<pprField[iField]<<endl; | |
511 | } | |
512 | } | |
513 | } | |
514 | ||
515 | // Energy | |
516 | if (gSystem->Getenv("CONFIG_ENERGY")) { | |
517 | energy = atoi(gSystem->Getenv("CONFIG_ENERGY")); | |
aad1175b | 518 | cout<<"Energy set to "<<energy<<" GeV"<<endl; |
28b75255 | 519 | } |
520 | ||
521 | // Random Number seed | |
522 | if (gSystem->Getenv("CONFIG_SEED")) { | |
523 | seed = atoi(gSystem->Getenv("CONFIG_SEED")); | |
524 | } | |
525 | } |