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abe39e23 | 1 | // |
2 | // A Config.C for ITSU pileup studies in pp. | |
3 | // ( based of the Config.C from $ALICE_ROOT/test/pileup/ ) | |
4 | // | |
5 | ||
6 | #if !defined(__CINT__) || defined(__MAKECINT__) | |
7 | #include <Riostream.h> | |
8 | #include <TPDGCode.h> | |
9 | #include <TRandom.h> | |
10 | #include <TSystem.h> | |
11 | #include <TVirtualMC.h> | |
12 | #include <TGeoManager.h> | |
13 | #include <TGeoGlobalMagField.h> | |
14 | ||
15 | #include "../geant3/TGeant3/TGeant3TGeo.h" | |
16 | ||
17 | #include "AliMagF.h" | |
18 | #include "STEER/STEER/AliRunLoader.h" | |
19 | #include "STEER/STEER/AliRun.h" | |
20 | #include "STEER/STEER/AliConfig.h" | |
21 | #include "PYTHIA6/AliDecayerPythia.h" | |
22 | #include "EVGEN/AliGenCocktail.h" | |
23 | #include "EVGEN/AliGenHIJINGpara.h" | |
24 | #include "EVGEN/AliGenFixed.h" | |
25 | #include "EVGEN/AliGenBox.h" | |
26 | #include "EVGEN/AliGenPileup.h" | |
27 | #include "PYTHIA6/AliGenPythia.h" | |
28 | #include "STRUCT/AliBODY.h" | |
29 | #include "STRUCT/AliMAG.h" | |
30 | #include "STRUCT/AliABSOv3.h" | |
31 | #include "STRUCT/AliDIPOv3.h" | |
32 | #include "STRUCT/AliHALLv3.h" | |
33 | #include "STRUCT/AliFRAMEv2.h" | |
34 | #include "STRUCT/AliSHILv3.h" | |
35 | #include "STRUCT/AliPIPEv3.h" | |
36 | #include "STRUCT/AliPIPEupgrade.h" | |
37 | #include "ITS/AliITSv11.h" | |
38 | #include "ITS/UPGRADE/AliITSUv1.h" | |
39 | #include "TPC/Sim/AliTPCv2.h" | |
40 | #include "TOF/AliTOFv6T0.h" | |
41 | #include "HMPID/AliHMPIDv3.h" | |
42 | #include "ZDC/AliZDCv3.h" | |
43 | #include "TRD/AliTRDv1.h" | |
44 | #include "TRD/AliTRDgeometry.h" | |
45 | #include "FMD/AliFMDv1.h" | |
46 | #include "MUON/AliMUONv1.h" | |
47 | #include "PHOS/AliPHOSv1.h" | |
48 | #include "PMD/AliPMDv1.h" | |
49 | #include "T0/AliT0v1.h" | |
50 | #include "EMCAL/AliEMCALv2.h" | |
51 | #include "ACORDE/AliACORDEv1.h" | |
52 | #include "VZERO/AliVZEROv7.h" | |
53 | #endif | |
54 | ||
55 | static Float_t energy = 14000; // energy in CMS | |
56 | ||
57 | AliGenerator* MbPythia(Float_t energy) | |
58 | { | |
59 | // | |
60 | // Pythia | |
61 | AliGenPythia* pythia = new AliGenPythia(-1); | |
62 | pythia->SetMomentumRange(0, 999999.); | |
63 | pythia->SetThetaRange(0., 180.); | |
64 | pythia->SetYRange(-1.5,1.5); | |
65 | pythia->SetPtRange(0,1000.); | |
66 | pythia->SetProcess(kPyMb); | |
67 | pythia->SetEnergyCMS(energy); | |
68 | pythia->SetProjectile("p", 1, 1); | |
69 | pythia->SetTarget("p", 1, 1); | |
70 | ||
71 | return pythia; | |
72 | } | |
73 | ||
74 | void Config() | |
75 | { | |
76 | // Set Random Number seed | |
77 | gRandom->SetSeed(1); // Set 0 to use the currecnt time | |
78 | ||
79 | ||
80 | // libraries required by geant321 | |
81 | #if defined(__CINT__) | |
82 | gSystem->Load("liblhapdf"); | |
83 | gSystem->Load("libEGPythia6"); | |
84 | gSystem->Load("libpythia6"); | |
85 | gSystem->Load("libAliPythia6"); | |
86 | gSystem->Load("libgeant321"); | |
87 | gSystem->Load("libhijing"); | |
88 | gSystem->Load("libTHijing"); | |
89 | #endif | |
4070f709 | 90 | gSystem->Load("libITSUpgradeBase"); |
91 | gSystem->Load("libITSUpgradeSim"); | |
abe39e23 | 92 | |
93 | ||
94 | new TGeant3TGeo("C++ Interface to Geant3"); | |
95 | ||
96 | AliRunLoader* rl=0x0; | |
97 | ||
98 | ||
99 | rl = AliRunLoader::Open("galice.root", | |
100 | AliConfig::GetDefaultEventFolderName(), | |
101 | "recreate"); | |
102 | if (rl == 0x0) | |
103 | { | |
104 | gAlice->Fatal("Config.C","Can not instatiate the Run Loader"); | |
105 | return; | |
106 | } | |
107 | rl->SetCompressionLevel(2); | |
108 | rl->SetNumberOfEventsPerFile(2000); | |
109 | gAlice->SetRunLoader(rl); | |
110 | ||
111 | // | |
112 | // Set External decayer | |
113 | TVirtualMCDecayer *decayer = new AliDecayerPythia(); | |
114 | ||
115 | decayer->SetForceDecay(kAll); | |
116 | decayer->Init(); | |
117 | gMC->SetExternalDecayer(decayer); | |
118 | //======================================================================= | |
119 | // ************* STEERING parameters FOR ALICE SIMULATION ************** | |
120 | // --- Specify event type to be tracked through the ALICE setup | |
121 | // --- All positions are in cm, angles in degrees, and P and E in GeV | |
122 | ||
123 | ||
124 | gMC->SetProcess("DCAY",1); | |
125 | gMC->SetProcess("PAIR",1); | |
126 | gMC->SetProcess("COMP",1); | |
127 | gMC->SetProcess("PHOT",1); | |
128 | gMC->SetProcess("PFIS",0); | |
129 | gMC->SetProcess("DRAY",0); | |
130 | gMC->SetProcess("ANNI",1); | |
131 | gMC->SetProcess("BREM",1); | |
132 | gMC->SetProcess("MUNU",1); | |
133 | gMC->SetProcess("CKOV",1); | |
134 | gMC->SetProcess("HADR",0); | |
135 | gMC->SetProcess("LOSS",2); | |
136 | gMC->SetProcess("MULS",1); | |
137 | gMC->SetProcess("RAYL",1); | |
138 | ||
139 | Float_t cut = 1.e-3; // 1MeV cut by default | |
140 | Float_t tofmax = 1.e10; | |
141 | ||
142 | gMC->SetCut("CUTGAM", cut); | |
143 | gMC->SetCut("CUTELE", cut); | |
144 | gMC->SetCut("CUTNEU", cut); | |
145 | gMC->SetCut("CUTHAD", cut); | |
146 | gMC->SetCut("CUTMUO", cut); | |
147 | gMC->SetCut("BCUTE", cut); | |
148 | gMC->SetCut("BCUTM", cut); | |
149 | gMC->SetCut("DCUTE", cut); | |
150 | gMC->SetCut("DCUTM", cut); | |
151 | gMC->SetCut("PPCUTM", cut); | |
152 | gMC->SetCut("TOFMAX", tofmax); | |
153 | ||
154 | // *********************** Pile up generation ********************* | |
155 | // Minimum bias Pythia with pileup | |
156 | AliGenPileup *gener = new AliGenPileup(); | |
157 | AliGenerator* pyth = MbPythia(energy); | |
158 | ||
159 | // Set the pileup interaction generator | |
160 | // The second argument is the pileup rate | |
161 | // in terms of event rate per bunch crossing | |
162 | gener->SetGenerator(pyth,0.05); | |
163 | // Set the beam time structure | |
164 | // Details on the syntax in STEER/AliTriggerBCMask | |
165 | gener->SetBCMask("1782(1H1L)"); // Full LHC | |
166 | ||
167 | // Generate the trigger interaction | |
168 | gener->GenerateTrigInteraction(kTRUE); | |
169 | ||
170 | //Set the ITS integration time | |
171 | gener->SetPileUpTimeWindow(30e-6); | |
172 | ||
173 | // PRIMARY VERTEX | |
174 | // | |
175 | //gener->SetOrigin(0., 0., 0.); // vertex position | |
176 | // | |
177 | // | |
178 | // Size of the interaction diamond | |
179 | // Longitudinal | |
180 | Float_t sigmaz = 5.4 / TMath::Sqrt(2.); // [cm] | |
181 | // | |
182 | // Transverse | |
183 | Float_t betast = 10; // beta* [m] | |
184 | Float_t eps = 3.75e-6; // emittance [m] | |
185 | Float_t gamma = energy / 2.0 / 0.938272; // relativistic gamma [1] | |
186 | Float_t sigmaxy = TMath::Sqrt(eps*betast/gamma)/TMath::Sqrt(2.)*100.; // [cm] | |
187 | printf("\n \n Diamond size x-y: %10.3e z: %10.3e\n \n", sigmaxy, sigmaz); | |
188 | ||
189 | gener->SetSigma(sigmaxy, sigmaxy, sigmaz);// Sigma (cm) of the IP position | |
190 | gener->SetCutVertexZ(3.); // Truncate at 3 sigma | |
191 | gener->SetVertexSmear(kPerEvent); | |
192 | ||
193 | gener->Init(); | |
194 | ||
195 | // *********************** End of the pile up generation ********************* | |
196 | ||
197 | // | |
198 | // Activate this line if you want the vertex smearing to happen | |
199 | // track by track | |
200 | // | |
201 | //VertexSmear_t perTrack; | |
202 | //gener->SetVertexSmear(perTrack); | |
203 | // Field (L3 0.5 T) | |
204 | TGeoGlobalMagField::Instance()->SetField(new AliMagF("Maps","Maps", -1., -1., AliMagF::k5kG)); | |
205 | ||
206 | Int_t iABSO = 0; | |
207 | Int_t iDIPO = 0; | |
208 | Int_t iFMD = 0; | |
209 | Int_t iFRAME = 0; | |
210 | Int_t iHALL = 0; | |
211 | Int_t iITS = 1; | |
212 | Int_t iMAG = 0; | |
213 | Int_t iMUON = 0; | |
214 | Int_t iPHOS = 0; | |
215 | Int_t iPIPE = 1; | |
216 | Int_t iPMD = 0; | |
217 | Int_t iHMPID = 0; | |
218 | Int_t iSHIL = 0; | |
219 | Int_t iT0 = 0; | |
220 | Int_t iTOF = 0; | |
221 | Int_t iTPC = 0; | |
222 | Int_t iTRD = 0; | |
223 | Int_t iZDC = 0; | |
224 | Int_t iEMCAL = 0; | |
225 | Int_t iACORDE= 0; | |
226 | Int_t iVZERO = 0; | |
227 | rl->CdGAFile(); | |
228 | //=================== Alice BODY parameters ============================= | |
229 | AliBODY *BODY = new AliBODY("BODY", "Alice envelop"); | |
230 | ||
231 | if (iMAG) | |
232 | { | |
233 | //=================== MAG parameters ============================ | |
234 | // --- Start with Magnet since detector layouts may be depending --- | |
235 | // --- on the selected Magnet dimensions --- | |
236 | AliMAG *MAG = new AliMAG("MAG", "Magnet"); | |
237 | } | |
238 | ||
239 | ||
240 | if (iABSO) | |
241 | { | |
242 | //=================== ABSO parameters ============================ | |
243 | AliABSO *ABSO = new AliABSOv3("ABSO", "Muon Absorber"); | |
244 | } | |
245 | ||
246 | if (iDIPO) | |
247 | { | |
248 | //=================== DIPO parameters ============================ | |
249 | ||
250 | AliDIPO *DIPO = new AliDIPOv3("DIPO", "Dipole version 3"); | |
251 | } | |
252 | ||
253 | if (iHALL) | |
254 | { | |
255 | //=================== HALL parameters ============================ | |
256 | ||
257 | AliHALL *HALL = new AliHALLv3("HALL", "Alice Hall"); | |
258 | } | |
259 | ||
260 | ||
261 | if (iFRAME) | |
262 | { | |
263 | //=================== FRAME parameters ============================ | |
264 | ||
265 | AliFRAMEv2 *FRAME = new AliFRAMEv2("FRAME", "Space Frame"); | |
266 | FRAME->SetHoles(1); | |
267 | } | |
268 | ||
269 | if (iSHIL) | |
270 | { | |
271 | //=================== SHIL parameters ============================ | |
272 | ||
273 | AliSHIL *SHIL = new AliSHILv3("SHIL", "Shielding Version 3"); | |
274 | } | |
275 | ||
276 | ||
277 | if (iPIPE) | |
278 | { | |
279 | //=================== PIPE parameters ============================ | |
280 | ||
281 | AliPIPE *PIPE = new AliPIPEupgrade("PIPE", "Beam Pipe"); | |
282 | //AliPIPE *PIPE = new AliPIPEv3("PIPE", "Beam Pipe"); | |
283 | } | |
284 | ||
285 | if (iITS) | |
286 | { | |
287 | //=================== ITS parameters ============================ | |
288 | // gROOT->ProcessLine(".x CreateITSU.C"); | |
289 | gROOT->ProcessLine(".x CreateITSUv1.C"); | |
290 | // gROOT->ProcessLine(".x CreateITSUv0.C"); | |
291 | // gROOT->ProcessLine(".x CreateITSU_MS.C"); | |
292 | // CreateITSU(); | |
293 | ||
294 | } | |
295 | ||
296 | if (iTPC) | |
297 | { | |
298 | //============================ TPC parameters =================== | |
299 | AliTPC *TPC = new AliTPCv2("TPC", "Default"); | |
300 | } | |
301 | ||
302 | ||
303 | if (iTOF) { | |
304 | //=================== TOF parameters ============================ | |
305 | AliTOF *TOF = new AliTOFv6T0("TOF", "normal TOF"); | |
306 | } | |
307 | ||
308 | ||
309 | if (iHMPID) | |
310 | { | |
311 | //=================== HMPID parameters =========================== | |
312 | AliHMPID *HMPID = new AliHMPIDv3("HMPID", "normal HMPID"); | |
313 | ||
314 | } | |
315 | ||
316 | ||
317 | if (iZDC) | |
318 | { | |
319 | //=================== ZDC parameters ============================ | |
320 | ||
321 | AliZDC *ZDC = new AliZDCv3("ZDC", "normal ZDC"); | |
322 | } | |
323 | ||
324 | if (iTRD) | |
325 | { | |
326 | //=================== TRD parameters ============================ | |
327 | ||
328 | AliTRD *TRD = new AliTRDv1("TRD", "TRD slow simulator"); | |
329 | AliTRDgeometry *geoTRD = TRD->GetGeometry(); | |
330 | // Partial geometry: modules at 2,3,4,6,11,12,14,15 | |
331 | // starting at 6h in positive direction | |
332 | geoTRD->SetSMstatus(0,0); | |
333 | geoTRD->SetSMstatus(1,0); | |
334 | geoTRD->SetSMstatus(5,0); | |
335 | geoTRD->SetSMstatus(7,0); | |
336 | geoTRD->SetSMstatus(8,0); | |
337 | geoTRD->SetSMstatus(9,0); | |
338 | geoTRD->SetSMstatus(10,0); | |
339 | geoTRD->SetSMstatus(13,0); | |
340 | geoTRD->SetSMstatus(16,0); | |
341 | geoTRD->SetSMstatus(17,0); | |
342 | } | |
343 | ||
344 | if (iFMD) | |
345 | { | |
346 | //=================== FMD parameters ============================ | |
347 | AliFMD *FMD = new AliFMDv1("FMD", "normal FMD"); | |
348 | } | |
349 | ||
350 | if (iMUON) | |
351 | { | |
352 | //=================== MUON parameters =========================== | |
353 | // New MUONv1 version (geometry defined via builders) | |
354 | AliMUON *MUON = new AliMUONv1("MUON","default"); | |
355 | } | |
356 | //=================== PHOS parameters =========================== | |
357 | ||
358 | if (iPHOS) | |
359 | { | |
360 | AliPHOS *PHOS = new AliPHOSv1("PHOS", "IHEP"); | |
361 | } | |
362 | ||
363 | ||
364 | if (iPMD) | |
365 | { | |
366 | //=================== PMD parameters ============================ | |
367 | AliPMD *PMD = new AliPMDv1("PMD", "normal PMD"); | |
368 | } | |
369 | ||
370 | if (iT0) | |
371 | { | |
372 | //=================== T0 parameters ============================ | |
373 | AliT0 *T0 = new AliT0v1("T0", "T0 Detector"); | |
374 | } | |
375 | ||
376 | if (iEMCAL) | |
377 | { | |
378 | //=================== EMCAL parameters ============================ | |
379 | AliEMCAL *EMCAL = new AliEMCALv2("EMCAL", "EMCAL_COMPLETEV1"); | |
380 | } | |
381 | ||
382 | if (iACORDE) | |
383 | { | |
384 | //=================== ACORDE parameters ============================ | |
385 | AliACORDE *ACORDE = new AliACORDEv1("ACORDE", "normal ACORDE"); | |
386 | } | |
387 | ||
388 | if (iVZERO) | |
389 | { | |
390 | //=================== VZERO parameters ============================ | |
391 | AliVZERO *VZERO = new AliVZEROv7("VZERO", "normal VZERO"); | |
392 | } | |
393 | ||
394 | ||
395 | } | |
396 | ||
397 |