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3a72645a | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | // | |
16 | // Task fir checking the performance of the V0 tender | |
17 | // | |
18 | // | |
6555e2ad | 19 | // Authors: |
3a72645a | 20 | // Matus Kalisky <matus.kalisky@cern.ch> |
21 | // | |
22 | ||
23 | #include <TH1F.h> | |
24 | #include <TList.h> | |
25 | ||
26 | #include "AliAnalysisManager.h" | |
27 | #include "AliMCEventHandler.h" | |
28 | #include "AliESDInputHandler.h" | |
29 | #include "AliESDv0.h" | |
30 | #include "AliESDtrack.h" | |
31 | #include "AliMCParticle.h" | |
32 | #include "AliMCEvent.h" | |
33 | #include "AliESDv0KineCuts.h" | |
34 | #include "AliKFVertex.h" | |
35 | ||
36 | #include "AliHFEtools.h" | |
37 | #include "AliHFEcollection.h" | |
38 | ||
39 | #include "AliAnalysisTaskCheckV0tenderII.h" | |
40 | ||
41 | ClassImp(AliAnalysisTaskCheckV0tenderII) | |
42 | ||
43 | //__________________________________________________________ | |
44 | AliAnalysisTaskCheckV0tenderII::AliAnalysisTaskCheckV0tenderII(): | |
45 | AliAnalysisTaskSE("CheckV0tenderTask") | |
46 | , fOutput(0x0) | |
47 | , fColl(0x0) | |
48 | , fCollMC(0x0) | |
49 | , fV0cuts(0x0) | |
50 | , fPrimaryVertex(0x0) | |
51 | , fpdgV0(0) | |
52 | , fpdgP(0) | |
53 | , fpdgN(0) | |
54 | , fEvents(0x0) | |
55 | { | |
56 | // | |
57 | // Default Constructor | |
58 | // | |
59 | ||
60 | ||
61 | DefineOutput(1, TH1F::Class()); | |
62 | DefineOutput(2, TList::Class()); | |
63 | ||
64 | ||
65 | } | |
66 | //__________________________________________________________ | |
67 | AliAnalysisTaskCheckV0tenderII::AliAnalysisTaskCheckV0tenderII(const Char_t *name): | |
68 | AliAnalysisTaskSE(name) | |
69 | , fOutput(0x0) | |
70 | , fColl(0x0) | |
71 | , fCollMC(0x0) | |
72 | , fV0cuts(0x0) | |
73 | , fPrimaryVertex(0x0) | |
74 | , fpdgV0(0) | |
75 | , fpdgP(0) | |
76 | , fpdgN(0) | |
77 | , fEvents(0x0) | |
78 | { | |
79 | // | |
80 | // Constructor | |
81 | // | |
82 | ||
83 | DefineOutput(1, TH1F::Class()); | |
84 | DefineOutput(2, TList::Class()); | |
85 | ||
86 | } | |
87 | //__________________________________________________________ | |
88 | AliAnalysisTaskCheckV0tenderII::~AliAnalysisTaskCheckV0tenderII(){ | |
89 | // | |
90 | // Destructor | |
91 | // | |
92 | ||
93 | if (fOutput) delete fOutput; | |
94 | if (fColl) delete fColl; | |
95 | if (fCollMC) delete fCollMC; | |
96 | if (fV0cuts) delete fV0cuts; | |
97 | if (fPrimaryVertex) delete fPrimaryVertex; | |
98 | if (fEvents) delete fEvents; | |
99 | } | |
100 | //__________________________________________________________ | |
101 | void AliAnalysisTaskCheckV0tenderII::UserCreateOutputObjects(){ | |
102 | // | |
103 | // prepare output objects | |
104 | // | |
105 | ||
106 | fOutput = new TList(); | |
107 | //fOutput->SetOwner(); | |
108 | // Counter for number of events | |
109 | fEvents = new TH1I("nEvents", "NumberOfEvents", 1, 1, 2); | |
110 | ||
111 | fColl = new AliHFEcollection("V0_QA", "tender V0s for data"); | |
112 | fCollMC = new AliHFEcollection("V0_MC_QA", "tender V0s for MC"); | |
113 | ||
114 | fV0cuts = new AliESDv0KineCuts(); | |
115 | if(!fV0cuts){ | |
116 | AliError("Failed to initialize AliESDv0KineCuts instance"); | |
117 | return; | |
118 | } | |
119 | ||
120 | // | |
121 | // Data histos | |
122 | // | |
123 | ||
124 | // total number of tagged V0s | |
125 | fColl->CreateTH1F("h_NumberOf_V0s", "Number of tagged V0s; type; counts", 4, -0.5, 3.5); | |
126 | // pT spectra of the tagged V0s | |
127 | fColl->CreateTH1F("h_Gamma_pt", "p_{T} spectrum of tagged gammas; p_{T} (GeV/c); counts", 20, 0.1, 20, 0); | |
128 | fColl->CreateTH1F("h_K0_pt", "p_{T} spectrum of tagged K0s; p_{T} (GeV/c); counts", 20, 0.1, 20, 0); | |
129 | fColl->CreateTH1F("h_Lambda_pt", "p_{T} spectrum of tagged Lambdas; p_{T} (GeV/c); counts", 20, 0.1, 20, 0); | |
130 | fColl->CreateTH1F("h_ALambda_pt", "p_{T} spectrum of tagged A-Lambdas; p_{T} (GeV/c); counts", 20, 0.1, 20, 0); | |
131 | // invariant mass of the V0s | |
132 | fColl->CreateTH1F("h_Gamma_mass", "Inv. Mass of the ", 100, 0., 0.1); | |
133 | fColl->CreateTH1F("h_K0_mass", "Inv. Mass of the ", 100, 0.45, 0.55); | |
134 | fColl->CreateTH1F("h_Lambda_mass", "Inv. Mass of the ", 100, 1.08, 1.14); | |
135 | fColl->CreateTH1F("h_ALambda_mass", "Inv. Mass of the ", 100, 1.08, 1.14); | |
136 | ||
137 | // total number of tagged daughter particles (should correlate with number of V0s ! | |
138 | fColl->CreateTH1F("h_NumberOfDaughters", "Number of tagged daughters; type; counts", 3, -0.5, 2.5); | |
139 | // pT spectra of tagged daughter particles | |
140 | fColl->CreateTH1F("h_Electron_pt", "p_{T} spectrum of tagged; p_{T} (GeV/c); counts", 20, 0.1, 20, 0); | |
141 | fColl->CreateTH1F("h_Pion_pt", "p_{T} spectrum of tagged; p_{T} (GeV/c); counts", 20, 0.1, 20, 0); | |
142 | fColl->CreateTH1F("h_Proton_pt", "p_{T} spectrum of tagged; p_{T} (GeV/c); counts", 20, 0.1, 20, 0); | |
143 | ||
144 | // | |
145 | // MC histos | |
146 | // | |
147 | ||
148 | // pT spectra of the tagged V0s | |
149 | fCollMC->CreateTH1F("h_Gamma_pt_S", "MC-S: p_{T} spectrum of tagged gammas; p_{T} (GeV/c); counts", 20, 0.1, 20, 0); | |
150 | fCollMC->CreateTH1F("h_K0_pt_S", "MC-S: p_{T} spectrum of tagged K0s; p_{T} (GeV/c); counts", 20, 0.1, 20, 0); | |
151 | fCollMC->CreateTH1F("h_Lambda_pt_S", "MC-S: p_{T} spectrum of tagged Lambdas; p_{T} (GeV/c); counts", 20, 0.1, 20, 0); | |
152 | fCollMC->CreateTH1F("h_ALambda_pt_S", "MC-S: p_{T} spectrum of tagged A-Lambdas; p_{T} (GeV/c); counts", 20, 0.1, 20, 0); | |
153 | fCollMC->CreateTH1F("h_Gamma_pt_B", "MC-B: p_{T} spectrum of tagged gammas; p_{T} (GeV/c); counts", 20, 0.1, 20, 0); | |
154 | fCollMC->CreateTH1F("h_K0_pt_B", "MC-B: p_{T} spectrum of tagged K0s; p_{T} (GeV/c); counts", 20, 0.1, 20, 0); | |
155 | fCollMC->CreateTH1F("h_Lambda_pt_B", "MC-B: p_{T} spectrum of tagged Lambdas; p_{T} (GeV/c); counts", 20, 0.1, 20, 0); | |
156 | fCollMC->CreateTH1F("h_ALambda_pt_B", "MC-B: p_{T} spectrum of tagged A-Lambdas; p_{T} (GeV/c); counts", 20, 0.1, 20, 0); | |
157 | // invariant mass of the V0s | |
158 | fCollMC->CreateTH1F("h_Gamma_mass_S", "MC-S: Inv. Mass of the gamma; m (GeV/c^{2}); counts", 100, 0., 0.1); | |
159 | fCollMC->CreateTH1F("h_K0_mass_S", "MC-S: Inv. Mass of the K0; m (GeV/c^{2}); counts", 100, 0.45, 0.55); | |
160 | fCollMC->CreateTH1F("h_Lambda_mass_S", "MC-S: Inv. Mass of the Lambda; m (GeV/c^{2}); counts", 100, 1.08, 1.14); | |
161 | fCollMC->CreateTH1F("h_ALambda_mass_S", "MC-S: Inv. Mass of the A-Lambda; m (GeV/c^{2}); counts", 100, 1.08, 1.14); | |
162 | fCollMC->CreateTH1F("h_Gamma_mass_B", "MC-B: Inv. Mass of the gamma; m (GeV/c^{2}); counts", 100, 0., 0.1); | |
163 | fCollMC->CreateTH1F("h_K0_mass_B", "MC-B: Inv. Mass of the K0; m (GeV/c^{2}); counts", 100, 0.45, 0.55); | |
164 | fCollMC->CreateTH1F("h_Lambda_mass_B", "MC-B: Inv. Mass of the Lambda; m (GeV/c^{2}); counts", 100, 1.08, 1.14); | |
165 | fCollMC->CreateTH1F("h_ALambda_mass_B", "MC-B: Inv. Mass of the A-Lambda; m (GeV/c^{2}); counts", 100, 1.08, 1.14); | |
166 | // pT spectra of tagged daughter particles | |
167 | fCollMC->CreateTH1F("h_Electron_pt_S", "MC-S: p_{T} spectrum of tagged electrons; p_{T} (GeV/c); counts", 20, 0.1, 20, 0); | |
168 | fCollMC->CreateTH1F("h_Pion_pt_S", "MC-S: p_{T} spectrum of tagged pions; p_{T} (GeV/c); counts", 20, 0.1, 20, 0); | |
169 | fCollMC->CreateTH1F("h_Proton_pt_S", "MC-S: p_{T} spectrum of tagged protons; p_{T} (GeV/c); counts", 20, 0.1, 20, 0); | |
170 | fCollMC->CreateTH1F("h_Electron_pt_B", "MC-B: p_{T} spectrum of tagged electrons; p_{T} (GeV/c); counts", 20, 0.1, 20, 0); | |
171 | fCollMC->CreateTH1F("h_Pion_pt_B", "MC-B: p_{T} spectrum of tagged pions; p_{T} (GeV/c); counts", 20, 0.1, 20, 0); | |
172 | fCollMC->CreateTH1F("h_Proton_pt_B", "MC-B: p_{T} spectrum of tagged protons; p_{T} (GeV/c); counts", 20, 0.1, 20, 0); | |
173 | ||
174 | ||
175 | TList *tmp = fColl->GetList(); | |
176 | tmp->SetName(fColl->GetName()); | |
177 | fOutput->Add(tmp); | |
178 | tmp = 0x0; | |
179 | tmp = fCollMC->GetList(); | |
180 | tmp->SetName(fCollMC->GetName()); | |
181 | fOutput->Add(tmp); | |
182 | ||
183 | ||
184 | } | |
185 | //__________________________________________________________ | |
186 | void AliAnalysisTaskCheckV0tenderII::UserExec(Option_t *){ | |
187 | // | |
188 | // Event Loop | |
189 | // | |
190 | AliMCEventHandler* mcHandler = (dynamic_cast<AliMCEventHandler*>(AliAnalysisManager::GetAnalysisManager()->GetMCtruthEventHandler())); | |
bf892a6a | 191 | |
192 | //AliESDInputHandler *inh = dynamic_cast<AliESDInputHandler *>(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler()); | |
193 | //AliESDpid *workingPID = NULL; | |
194 | //if(inh && (workingPID = inh->GetESDpid())) workingPID = inh->GetESDpid(); | |
195 | //else workingPID = AliHFEtools::GetDefaultPID(mcHandler ? kTRUE : kFALSE); | |
3a72645a | 196 | |
197 | // check the MC data | |
198 | if(fMCEvent && !mcHandler ) return; | |
199 | if(fMCEvent && !mcHandler->InitOk() ) return; | |
200 | if(fMCEvent && !mcHandler->TreeK() ) return; | |
201 | if(fMCEvent && !mcHandler->TreeTR() ) return; | |
202 | ||
203 | fPrimaryVertex = new AliKFVertex(*(fInputEvent->GetPrimaryVertex())); | |
204 | if(!fPrimaryVertex) return; | |
205 | ||
206 | fV0cuts->SetEvent(fInputEvent); | |
207 | fV0cuts->SetPrimaryVertex(fPrimaryVertex); | |
208 | ||
209 | ProcessV0s(); | |
210 | ||
211 | fEvents->Fill(1.1); | |
212 | PostData(1, fEvents); | |
213 | PostData(2, fOutput); | |
214 | } | |
215 | //__________________________________________________________ | |
216 | void AliAnalysisTaskCheckV0tenderII::Terminate(Option_t *){ | |
217 | // | |
218 | // Do Post Processing | |
219 | // | |
220 | } | |
221 | //__________________________________________________________ | |
222 | void AliAnalysisTaskCheckV0tenderII::ProcessV0s(){ | |
223 | // | |
224 | // loop over the V0s and extract the information about | |
225 | // the V0s tagged by the V0 tender | |
226 | // | |
227 | ||
228 | const char * type[4] = {"Gamma", "K0", "Lambda", "ALambda"}; | |
229 | char name[256] = ""; | |
230 | ||
231 | Int_t nV0s = fInputEvent->GetNumberOfV0s(); | |
232 | for(Int_t i=0; i<nV0s; ++i){ | |
bf892a6a | 233 | AliESDv0 *esdV0 = (static_cast<AliESDEvent *>(fInputEvent))->GetV0(i); |
3a72645a | 234 | if(!esdV0) continue; |
235 | if(!esdV0->GetOnFlyStatus()) continue; // Take only V0s from the On-the-fly v0 finder | |
236 | ||
237 | // New standalone V0 selection software | |
238 | if( ! (fV0cuts->ProcessV0(esdV0, fpdgV0, fpdgP, fpdgN)) ) return; | |
239 | ||
240 | Int_t pid = PDGtoPIDv0(fpdgV0); | |
241 | //printf(" -D: pdg: %i, pid: %i\n", fpdgV0, pid); | |
242 | if(pid <= -1) continue; | |
243 | ||
244 | fColl->Fill("h_NumberOf_V0s", pid); | |
245 | sprintf(name, "h_%s_pt", type[pid]); | |
246 | Float_t pT = esdV0->Pt(); | |
247 | fColl->Fill(name, pT); | |
248 | Float_t mass = MassV0(esdV0, pid); | |
249 | sprintf(name, "h_%s_mass", type[pid]); | |
250 | fColl->Fill(name, mass); | |
251 | ||
252 | ProcessDaughters(esdV0); | |
253 | if(fMCEvent){ | |
254 | ProcessV0sMC(esdV0); | |
255 | ProcessDaughtersMC(esdV0); | |
256 | } | |
257 | ||
258 | } | |
259 | ||
260 | } | |
261 | //__________________________________________________________ | |
262 | void AliAnalysisTaskCheckV0tenderII::ProcessDaughters(AliESDv0 * const v0){ | |
263 | // | |
264 | // produce some check plots for V0 tender tagged single tracks | |
265 | // | |
266 | ||
267 | const char * type[3] = {"Electron", "Pion", "Proton"}; | |
268 | char name[256] = ""; | |
269 | ||
270 | if(!v0) return; | |
271 | ||
272 | // daughter tracks | |
273 | const Int_t nTracks = fInputEvent->GetNumberOfTracks(); | |
274 | AliESDtrack *d[2]; | |
275 | Int_t iN, iP; | |
276 | iN = iP = -1; | |
277 | iP = v0->GetPindex(); | |
278 | iN = v0->GetNindex(); | |
279 | if(iN < 0 || iP < 0) return; | |
280 | if(iN >= nTracks || iP >= nTracks) return; | |
281 | d[0] = dynamic_cast<AliESDtrack *>(fInputEvent->GetTrack(iP)); | |
282 | d[1] = dynamic_cast<AliESDtrack *>(fInputEvent->GetTrack(iN)); | |
283 | if(!d[0] || !d[1]) return; | |
284 | ||
285 | for(Int_t i=0; i<2; ++i){ | |
286 | Int_t pid = (i == 0) ? PDGtoPID(fpdgP) : PDGtoPID(fpdgN); | |
287 | if(pid < 0) continue; | |
288 | fColl->Fill("h_NumberOfDaughters", pid*1.0); | |
289 | Float_t pT = d[i]->Pt(); | |
290 | sprintf(name, "h_%s_pt", type[pid]); | |
291 | fColl->Fill(name, pT); | |
292 | ||
293 | } | |
294 | } | |
295 | //__________________________________________________________ | |
296 | void AliAnalysisTaskCheckV0tenderII::ProcessV0sMC(AliESDv0 * const v0){ | |
297 | // | |
298 | // check all V0tender selected V0 on their true identity | |
299 | // | |
300 | ||
301 | const char * type[4] = {"Gamma", "K0", "Lambda", "ALambda"}; | |
302 | char name[256] = ""; | |
303 | ||
304 | ||
305 | Int_t pid = PDGtoPIDv0(fpdgV0); | |
306 | if(pid < 0) return; | |
307 | ||
308 | // true if fpdgV0 agrees with MC pdg of the mother | |
309 | Bool_t id = kFALSE; | |
310 | const Int_t nTracks = fInputEvent->GetNumberOfTracks(); | |
311 | // both ESD daughtr tracks | |
312 | Int_t iN, iP; | |
313 | iN = iP = -1; | |
314 | iP = v0->GetPindex(); | |
315 | iN = v0->GetNindex(); | |
316 | if(iN < 0 || iP < 0) return; | |
317 | if(iN >= nTracks || iP >= nTracks) return; | |
318 | AliESDtrack *dP, *dN; | |
319 | dP = dynamic_cast<AliESDtrack *>(fInputEvent->GetTrack(iP)); | |
320 | dN = dynamic_cast<AliESDtrack *>(fInputEvent->GetTrack(iN)); | |
321 | if(!dN || !dP) return; | |
322 | ||
323 | // MC labels of the daughter tracks | |
324 | Int_t lN, lP; | |
325 | lN = dN->GetLabel(); | |
326 | lP = dP->GetLabel(); | |
327 | if(lN < 0 || lP < 0) return; | |
328 | ||
329 | // MC daughter particles | |
330 | AliMCParticle *mcP, *mcN; | |
331 | mcP = dynamic_cast<AliMCParticle*>(fMCEvent->GetTrack(lP)); | |
332 | mcN = dynamic_cast<AliMCParticle*>(fMCEvent->GetTrack(lN)); | |
333 | if(!mcP || !mcN) return; | |
334 | ||
335 | // labels of the mother particles | |
336 | Int_t lPm, lNm; | |
337 | lPm = mcP->GetMother(); | |
338 | lNm = mcN->GetMother(); | |
339 | AliMCParticle *m = 0x0; | |
340 | // particles without mother particle are most probably | |
341 | // primary particles | |
342 | if(lPm >= 0){ | |
343 | m = dynamic_cast<AliMCParticle*>(fMCEvent->GetTrack(lPm)); | |
344 | if(!m) return; | |
345 | } | |
346 | if(m){ | |
347 | Int_t pdg = m->PdgCode(); | |
348 | //if(lPm == lNm) printf(" -D: pdg: %i, fpdgV0: %i \n", pdg, fpdgV0); | |
349 | if((lPm == lNm) && (pdg == fpdgV0)) id = kTRUE; | |
350 | } | |
351 | ||
352 | if(id) sprintf(name, "h_%s_pt_S", type[pid]); | |
353 | else sprintf(name, "h_%s_pt_B", type[pid]); | |
354 | Float_t pT = v0->Pt(); | |
355 | fCollMC->Fill(name, pT); | |
356 | ||
357 | if(id) sprintf(name, "h_%s_mass_S", type[pid]); | |
358 | else sprintf(name, "h_%s_mass_B", type[pid]); | |
359 | Float_t mass = MassV0(v0, pid); | |
360 | fCollMC->Fill(name, mass); | |
361 | ||
362 | ||
363 | } | |
364 | //__________________________________________________________ | |
365 | void AliAnalysisTaskCheckV0tenderII::ProcessDaughtersMC(AliESDv0 * const v0){ | |
366 | // | |
367 | // check the identity of the V0tender selected V0 daughters | |
368 | // !!! for positive check only the true identity plays a role here, | |
369 | // not the true V0 mother identity (e.g. selected electron could come | |
bf892a6a | 370 | // from primary vertex or pion dalitz deca or true gamma conversion) !!!! |
3a72645a | 371 | // |
372 | ||
373 | const char * type[3] = {"Electron", "Pion", "Proton"}; | |
374 | char name[256] = ""; | |
375 | ||
376 | if(!v0) return; | |
377 | ||
378 | // daughter tracks | |
379 | const Int_t nTracks = fInputEvent->GetNumberOfTracks(); | |
380 | AliESDtrack *d[2]; | |
381 | Int_t iN, iP; | |
382 | iN = iP = -1; | |
383 | iP = v0->GetPindex(); | |
384 | iN = v0->GetNindex(); | |
385 | if(iN < 0 || iP < 0) return; | |
386 | if(iN >= nTracks || iP >= nTracks) return; | |
387 | d[0] = dynamic_cast<AliESDtrack *>(fInputEvent->GetTrack(iP)); | |
388 | d[1] = dynamic_cast<AliESDtrack *>(fInputEvent->GetTrack(iN)); | |
389 | if(!d[0] || !d[1]) return; | |
390 | ||
391 | //printf(" *** fpdgV0: %i, fpdgP: %i, fpdgN: %i \n", fpdgV0, fpdgP, fpdgN); | |
392 | ||
393 | for(Int_t i=0; i<2; ++i){ | |
394 | Bool_t id = kFALSE; | |
395 | Int_t pid = (i == 0) ? PDGtoPID(fpdgP) : PDGtoPID(fpdgN); | |
396 | Int_t pdg = (i == 0) ? fpdgP : fpdgN; | |
397 | if(pid < 0) continue; | |
398 | Float_t pT = d[i]->Pt(); | |
399 | Int_t label = d[i]->GetLabel(); | |
400 | if(label < 0) continue; | |
401 | AliMCParticle *mcp = 0x0; | |
402 | mcp = dynamic_cast<AliMCParticle*>(fMCEvent->GetTrack(label)); | |
403 | if(!mcp) continue; | |
404 | Int_t pdgMC = mcp->PdgCode(); | |
405 | //printf(" * pid: %i, pdg: %i, pdgMC: %i \n", pid, pdg, pdgMC); | |
406 | if(pdgMC == pdg) id = kTRUE; | |
407 | if(id) sprintf(name, "h_%s_pt_S", type[pid]); | |
408 | else sprintf(name, "h_%s_pt_B", type[pid]); | |
409 | fCollMC->Fill(name, pT); | |
410 | } | |
411 | } | |
412 | //__________________________________________________________ | |
413 | Float_t AliAnalysisTaskCheckV0tenderII::MassV0(AliESDv0 * const v0, Int_t id){ | |
414 | // | |
415 | // Get the V0 effective mass | |
416 | // | |
417 | ||
418 | Float_t mass = -0.1; | |
419 | Bool_t sign = CheckSigns(v0); | |
420 | if(0 == id){ | |
421 | mass = v0->GetEffMass(0, 0); | |
422 | } | |
423 | else if(1 == id){ | |
424 | mass = v0->GetEffMass(2, 2); | |
425 | } | |
426 | else if(2 == id){ | |
427 | mass = (sign) ? v0->GetEffMass(4, 2) : v0->GetEffMass(2, 4); | |
428 | } | |
429 | else if(3 == id){ | |
430 | mass = (sign) ? v0->GetEffMass(2, 4) : v0->GetEffMass(4, 2); | |
431 | } | |
432 | else{ | |
433 | AliWarning(Form("Unrecognized V0 id: %i", id)); | |
434 | } | |
435 | ||
436 | return mass; | |
437 | ||
438 | } | |
439 | //__________________________________________________________ | |
440 | Bool_t AliAnalysisTaskCheckV0tenderII::CheckSigns(AliESDv0 * const v0){ | |
441 | // | |
442 | // check wheter the sign was correctly applied to | |
443 | // V0 daughter tracks | |
444 | // This function should become obsolete once the V0 finder will be updated (fixed) | |
445 | // | |
446 | ||
447 | Bool_t correct = kFALSE; | |
448 | ||
449 | Int_t pIndex = 0, nIndex = 0; | |
450 | pIndex = v0->GetPindex(); | |
451 | nIndex = v0->GetNindex(); | |
452 | ||
453 | AliESDtrack* d[2]; | |
454 | d[0] = dynamic_cast<AliESDtrack*>(fInputEvent->GetTrack(pIndex)); | |
455 | d[1] = dynamic_cast<AliESDtrack*>(fInputEvent->GetTrack(nIndex)); | |
456 | ||
457 | Int_t sign[2]; | |
458 | sign[0] = (int)d[0]->GetSign(); | |
459 | sign[1] = (int)d[1]->GetSign(); | |
460 | ||
461 | if(-1 == sign[0] && 1 == sign[1]){ | |
462 | correct = kFALSE; | |
463 | //v0->SetIndex(0, pIndex); // set the index of the negative v0 track | |
464 | //v0->SetIndex(1, nIndex); // set the index of the positive v0 track | |
465 | } | |
466 | else{ | |
467 | correct = kTRUE; | |
468 | } | |
469 | ||
470 | //pIndex = v0->GetPindex(); | |
471 | //nIndex = v0->GetNindex(); | |
472 | //printf("-D2: P: %i, N: %i\n", pIndex, nIndex); | |
473 | ||
474 | return correct; | |
475 | } | |
476 | //__________________________________________________________ | |
6555e2ad | 477 | Int_t AliAnalysisTaskCheckV0tenderII::PDGtoPIDv0(Int_t pdgV0) const { |
3a72645a | 478 | // |
479 | // convert thereconstructed V0 pdg to local pid | |
480 | // | |
481 | ||
482 | switch(pdgV0){ | |
483 | case 22: return 0; break; | |
484 | case 310: return 1; break; | |
485 | case 3122: return 2; break; | |
486 | case -3122: return 3; break; | |
487 | } | |
488 | ||
489 | return -1; | |
490 | ||
491 | } | |
492 | //__________________________________________________________ | |
6555e2ad | 493 | Int_t AliAnalysisTaskCheckV0tenderII::PDGtoPID(Int_t pdg) const { |
3a72645a | 494 | // |
495 | // convert daughter pdg code to local pid | |
496 | // | |
497 | switch(TMath::Abs(pdg)){ | |
498 | case 11: return 0; break; | |
499 | case 211: return 1; break; | |
500 | case 2212: return 2; break; | |
501 | } | |
502 | return -1; | |
503 | ||
504 | } |