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76d0b522 | 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 | ||
17 | /************************************************************************************* | |
18 | * * | |
19 | * Class for the Selection of Non-Heavy-Flavour-Electrons trought * | |
20 | * the invariant mass method. The selection can be done from two * | |
21 | * different algorithms, which can be choosed calling the function * | |
22 | * "SetAlgorithm(TString Algorithm)". * | |
23 | * * | |
24 | * Authors: R.Bailhache, C.A.Schmidt * | |
25 | * * | |
26 | *************************************************************************************/ | |
27 | ||
28 | #include "TVector2.h" | |
29 | #include "THnSparse.h" | |
30 | #include "TMath.h" | |
31 | #include "TLorentzVector.h" | |
32 | #include "TParticle.h" | |
33 | #include "TList.h" | |
34 | #include "TDatabasePDG.h" | |
35 | ||
36 | #include "AliVEvent.h" | |
37 | #include "AliMCEvent.h" | |
38 | #include "AliESDEvent.h" | |
39 | #include "AliMCParticle.h" | |
40 | #include "AliAODMCParticle.h" | |
41 | #include "AliAODEvent.h" | |
42 | #include "AliAODVertex.h" | |
43 | #include "AliAODTrack.h" | |
44 | #include "AliVTrack.h" | |
45 | #include "AliESDtrack.h" | |
46 | #include "AliESDtrackCuts.h" | |
47 | #include "AliPIDResponse.h" | |
8a9b2231 | 48 | #include "AliPID.h" |
76d0b522 | 49 | |
50 | #include "AliKFParticle.h" | |
51 | #include "AliKFVertex.h" | |
52 | ||
53 | #include "AliHFEcuts.h" | |
54 | #include "AliHFEpid.h" | |
55 | #include "AliHFEpidQAmanager.h" | |
56 | #include "AliHFEtools.h" | |
57 | ||
58 | #include "AliHFENonPhotonicElectron.h" | |
59 | ||
60 | ClassImp(AliHFENonPhotonicElectron) | |
61 | //________________________________________________________________________ | |
62 | AliHFENonPhotonicElectron::AliHFENonPhotonicElectron(const char *name, const Char_t *title) | |
8a9b2231 | 63 | :TNamed (name, title) |
64 | ,fIsAOD (kFALSE) | |
65 | ,fMCEvent (NULL) | |
66 | ,fAODArrayMCInfo (NULL) | |
67 | ,fHFEBackgroundCuts (NULL) | |
68 | ,fPIDBackground (0x0) | |
69 | ,fPIDBackgroundQA (0) | |
70 | ,fkPIDRespons (NULL) | |
1452614c | 71 | ,fPtBinning() |
72 | ,fEtaBinning() | |
8a9b2231 | 73 | ,fAlgorithmMA (kTRUE) |
8a9b2231 | 74 | ,fChi2OverNDFCut (3.0) |
75 | ,fMaxDCA (3.0) | |
76 | // ,fMaxOpeningTheta (0.02) | |
77 | // ,fMaxOpeningPhi (0.1) | |
78 | ,fMaxOpening3D (TMath::Pi()) | |
79 | ,fMaxInvMass (1000) | |
80 | ,fSetMassConstraint (kFALSE) | |
4437a0d2 | 81 | ,fSelectCategory1tracks(kTRUE) |
82 | ,fSelectCategory2tracks(kFALSE) | |
bbeea05b | 83 | ,fITSmeanShift(0.) |
8a9b2231 | 84 | ,fArraytrack (NULL) |
85 | ,fCounterPoolBackground (0) | |
86 | ,fnumberfound (0) | |
87 | ,fListOutput (NULL) | |
88 | ,fAssElectron (NULL) | |
89 | ,fIncElectron (NULL) | |
90 | ,fUSign (NULL) | |
91 | ,fLSign (NULL) | |
c3e32eae | 92 | ,fUSmatches(NULL) |
93 | ,fLSmatches(NULL) | |
4437a0d2 | 94 | ,fHnsigmaITS(NULL) |
8a9b2231 | 95 | // ,fUSignAngle (NULL) |
96 | // ,fLSignAngle (NULL) | |
76d0b522 | 97 | { |
98 | // | |
99 | // Constructor | |
100 | // | |
8a9b2231 | 101 | fPIDBackground = new AliHFEpid("hfePidBackground"); |
76d0b522 | 102 | fPIDBackgroundQA = new AliHFEpidQAmanager; |
103 | } | |
104 | ||
105 | //________________________________________________________________________ | |
106 | AliHFENonPhotonicElectron::AliHFENonPhotonicElectron() | |
8a9b2231 | 107 | :TNamed () |
108 | ,fIsAOD (kFALSE) | |
109 | ,fMCEvent (NULL) | |
110 | ,fAODArrayMCInfo (NULL) | |
111 | ,fHFEBackgroundCuts (NULL) | |
112 | ,fPIDBackground (0x0) | |
113 | ,fPIDBackgroundQA (0) | |
114 | ,fkPIDRespons (NULL) | |
1452614c | 115 | ,fPtBinning() |
116 | ,fEtaBinning() | |
8a9b2231 | 117 | ,fAlgorithmMA (kTRUE) |
8a9b2231 | 118 | ,fChi2OverNDFCut (3.0) |
119 | ,fMaxDCA (3.0) | |
120 | // ,fMaxOpeningTheta (0.02) | |
121 | // ,fMaxOpeningPhi (0.1) | |
122 | ,fMaxOpening3D (TMath::TwoPi()) | |
123 | ,fMaxInvMass (1000) | |
124 | ,fSetMassConstraint (kFALSE) | |
4437a0d2 | 125 | ,fSelectCategory1tracks(kTRUE) |
126 | ,fSelectCategory2tracks(kFALSE) | |
bbeea05b | 127 | ,fITSmeanShift(0.) |
8a9b2231 | 128 | ,fArraytrack (NULL) |
129 | ,fCounterPoolBackground (0) | |
130 | ,fnumberfound (0) | |
131 | ,fListOutput (NULL) | |
132 | ,fAssElectron (NULL) | |
133 | ,fIncElectron (NULL) | |
134 | ,fUSign (NULL) | |
135 | ,fLSign (NULL) | |
c3e32eae | 136 | ,fUSmatches(NULL) |
137 | ,fLSmatches(NULL) | |
4437a0d2 | 138 | ,fHnsigmaITS(NULL) |
8a9b2231 | 139 | // ,fUSignAngle (NULL) |
140 | // ,fLSignAngle (NULL) | |
76d0b522 | 141 | { |
142 | // | |
143 | // Constructor | |
144 | // | |
145 | fPIDBackground = new AliHFEpid("hfePidBackground"); | |
146 | fPIDBackgroundQA = new AliHFEpidQAmanager; | |
147 | } | |
148 | ||
149 | //________________________________________________________________________ | |
150 | AliHFENonPhotonicElectron::AliHFENonPhotonicElectron(const AliHFENonPhotonicElectron &ref) | |
151 | :TNamed(ref) | |
8a9b2231 | 152 | ,fIsAOD (ref.fIsAOD) |
153 | ,fMCEvent (NULL) | |
154 | ,fAODArrayMCInfo (NULL) | |
155 | ,fHFEBackgroundCuts (ref.fHFEBackgroundCuts) | |
156 | ,fPIDBackground (ref.fPIDBackground) | |
157 | ,fPIDBackgroundQA (ref.fPIDBackgroundQA) | |
158 | ,fkPIDRespons (ref.fkPIDRespons) | |
1452614c | 159 | ,fPtBinning(ref.fPtBinning) |
160 | ,fEtaBinning(ref.fEtaBinning) | |
8a9b2231 | 161 | ,fAlgorithmMA (ref.fAlgorithmMA) |
8a9b2231 | 162 | ,fChi2OverNDFCut (ref.fChi2OverNDFCut) |
163 | ,fMaxDCA (ref.fMaxDCA) | |
164 | // ,fMaxOpeningTheta (ref.fMaxOpeningTheta) | |
165 | // ,fMaxOpeningPhi (ref.fMaxOpeningPhi) | |
166 | ,fMaxOpening3D (ref.fMaxOpening3D) | |
167 | ,fMaxInvMass (ref.fMaxInvMass) | |
168 | ,fSetMassConstraint (ref.fSetMassConstraint) | |
4437a0d2 | 169 | ,fSelectCategory1tracks(ref.fSelectCategory1tracks) |
170 | ,fSelectCategory2tracks(ref.fSelectCategory2tracks) | |
bbeea05b | 171 | ,fITSmeanShift(ref.fITSmeanShift) |
8a9b2231 | 172 | ,fArraytrack (NULL) |
173 | ,fCounterPoolBackground (0) | |
174 | ,fnumberfound (0) | |
175 | ,fListOutput (ref.fListOutput) | |
176 | ,fAssElectron (ref.fAssElectron) | |
177 | ,fIncElectron (ref.fIncElectron) | |
178 | ,fUSign (ref.fUSign) | |
179 | ,fLSign (ref.fLSign) | |
c3e32eae | 180 | ,fUSmatches(ref.fUSmatches) |
181 | ,fLSmatches(ref.fLSmatches) | |
4437a0d2 | 182 | ,fHnsigmaITS(ref.fHnsigmaITS) |
8a9b2231 | 183 | // ,fUSignAngle (ref.fUSignAngle) |
184 | // ,fLSignAngle (ref.fLSignAngle) | |
76d0b522 | 185 | { |
186 | // | |
187 | // Copy Constructor | |
188 | // | |
189 | ref.Copy(*this); | |
190 | } | |
191 | ||
192 | //____________________________________________________________ | |
193 | AliHFENonPhotonicElectron &AliHFENonPhotonicElectron::operator=(const AliHFENonPhotonicElectron &ref){ | |
194 | // | |
195 | // Assignment operator | |
196 | // | |
197 | if(this == &ref) ref.Copy(*this); | |
198 | return *this; | |
199 | } | |
200 | ||
201 | //_________________________________________ | |
202 | AliHFENonPhotonicElectron::~AliHFENonPhotonicElectron() | |
203 | { | |
204 | // | |
205 | // Destructor | |
206 | // | |
8a9b2231 | 207 | if(fArraytrack) delete fArraytrack; |
208 | //if(fHFEBackgroundCuts) delete fHFEBackgroundCuts; | |
209 | if(fPIDBackground) delete fPIDBackground; | |
210 | if(fPIDBackgroundQA) delete fPIDBackgroundQA; | |
76d0b522 | 211 | } |
212 | ||
213 | //_____________________________________________________________________________________________ | |
214 | void AliHFENonPhotonicElectron::Init() | |
215 | { | |
216 | // | |
217 | // Init | |
218 | // | |
219 | ||
8a9b2231 | 220 | //printf("Analysis Mode for AliHFENonPhotonicElectron: %s Analysis\n", fIsAOD ? "AOD" : "ESD"); |
221 | ||
76d0b522 | 222 | if(!fListOutput) fListOutput = new TList; |
223 | fListOutput->SetName("HFENonPhotonicElectron"); | |
224 | fListOutput->SetOwner(); | |
225 | ||
8a9b2231 | 226 | if(!fHFEBackgroundCuts) fHFEBackgroundCuts = new AliHFEcuts(); |
227 | if(fIsAOD) fHFEBackgroundCuts->SetAOD(); | |
228 | fHFEBackgroundCuts->Initialize(); | |
229 | if(fHFEBackgroundCuts->IsQAOn()) { | |
230 | fListOutput->Add(fHFEBackgroundCuts->GetQAhistograms()); | |
231 | } | |
76d0b522 | 232 | |
233 | // Initialize PID | |
234 | if(!fPIDBackground) fPIDBackground = new AliHFEpid("default pid"); | |
8a9b2231 | 235 | if(fMCEvent || fAODArrayMCInfo) fPIDBackground->SetHasMCData(kTRUE); // does nothing since the fMCEvent are set afterwards at the moment |
236 | if(!fPIDBackground->GetNumberOfPIDdetectors()) | |
237 | { | |
238 | //fPIDBackground->AddDetector("TOF", 0); | |
239 | fPIDBackground->AddDetector("TPC", 0); | |
240 | } | |
76d0b522 | 241 | AliInfo("PID Background QA switched on"); |
242 | fPIDBackgroundQA->Initialize(fPIDBackground); | |
243 | fListOutput->Add(fPIDBackgroundQA->MakeList("HFENP_PID_Background")); | |
244 | fPIDBackground->SortDetectors(); | |
245 | ||
1452614c | 246 | const Int_t kBinsPtDefault = 35; |
247 | Double_t binLimPtDefault[kBinsPtDefault+1] = {0., 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1., 1.1, 1.2, 1.3, 1.4, 1.5, 1.75, 2., 2.25, 2.5, 2.75, 3., 3.5, 4., 4.5, 5., 5.5, 6., 7., 8., 10., 12., 14., 16., 18., 20.}; | |
248 | const Int_t kBinsEtaInclusiveDefault = 8; | |
249 | Double_t binLimEtaInclusiveDefault[kBinsEtaInclusiveDefault+1] = {-0.8, -0.6, -0.4, -0.2, 0., 0.2, 0.4, 0.6, 0.8}; | |
4437a0d2 | 250 | const Int_t kBinsEtaAssociated = 30; |
251 | Double_t binLimEtaAssociat[kBinsEtaAssociated+1] = {-1.5, -1.4, -1.3, -1.2, -1.1, -1.0, -0.9, -0.8, -0.7, -0.6, -0.5, -0.4, -0.3, -0.2, -0.1, 0., 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.1, 1.2, 1.3, 1.4, 1.5}; | |
8a9b2231 | 252 | |
1452614c | 253 | if(!fPtBinning.GetSize()) fPtBinning.Set(kBinsPtDefault+1, binLimPtDefault); |
254 | if(!fEtaBinning.GetSize()) fEtaBinning.Set(kBinsEtaInclusiveDefault+1, binLimEtaInclusiveDefault); | |
255 | ||
4437a0d2 | 256 | //Int_t nBinsP = 400; |
257 | //Double_t minP = 0.0; | |
258 | //Double_t maxP = 20.0; | |
259 | //Double_t binLimP[nBinsP+1]; | |
260 | //for(Int_t i=0; i<=nBinsP; i++) binLimP[i]=(Double_t)minP + (maxP-minP)/nBinsP*(Double_t)i ; | |
76d0b522 | 261 | |
262 | Int_t nBinsC = 11; | |
263 | Double_t minC = 0.0; | |
264 | Double_t maxC = 11.0; | |
265 | Double_t binLimC[nBinsC+1]; | |
266 | for(Int_t i=0; i<=nBinsC; i++) binLimC[i]=(Double_t)minC + (maxC-minC)/nBinsC*(Double_t)i ; | |
267 | ||
268 | Int_t nBinsSource = 10; | |
269 | Double_t minSource = 0.; | |
270 | Double_t maxSource = 10.; | |
271 | Double_t binLimSource[nBinsSource+1]; | |
272 | for(Int_t i=0; i<=nBinsSource; i++) binLimSource[i]=(Double_t)minSource + (maxSource-minSource)/nBinsSource*(Double_t)i ; | |
273 | ||
4437a0d2 | 274 | Int_t nBinsInvMass = 100; |
76d0b522 | 275 | Double_t minInvMass = 0.; |
4437a0d2 | 276 | Double_t maxInvMass = 1.; |
76d0b522 | 277 | Double_t binLimInvMass[nBinsInvMass+1]; |
278 | for(Int_t i=0; i<=nBinsInvMass; i++) binLimInvMass[i]=(Double_t)minInvMass + (maxInvMass-minInvMass)/nBinsInvMass*(Double_t)i ; | |
279 | ||
280 | Int_t nBinsPhi = 180; | |
281 | Double_t minPhi = 0.0; | |
282 | Double_t maxPhi = TMath::Pi(); | |
283 | Double_t binLimPhi[nBinsPhi+1]; | |
284 | for(Int_t i=0; i<=nBinsPhi; i++) | |
285 | { | |
286 | binLimPhi[i]=(Double_t)minPhi + (maxPhi-minPhi)/nBinsPhi*(Double_t)i ; | |
287 | AliDebug(2,Form("bin phi is %f for %d",binLimPhi[i],i)); | |
288 | } | |
289 | ||
290 | Int_t nBinsAngle = 180; | |
291 | Double_t minAngle = 0.0; | |
292 | Double_t maxAngle = TMath::Pi(); | |
293 | Double_t binLimAngle[nBinsAngle+1]; | |
294 | for(Int_t i=0; i<=nBinsAngle; i++) | |
295 | { | |
296 | binLimAngle[i]=(Double_t)minAngle + (maxAngle-minAngle)/nBinsAngle*(Double_t)i ; | |
8a9b2231 | 297 | AliDebug(2,Form("bin phi is %f for %d",binLimAngle[i],i)); |
298 | } | |
299 | ||
4437a0d2 | 300 | // Constrain histograms |
301 | const Int_t nDimSingle=4; | |
302 | const Int_t nDimPair=9; | |
1452614c | 303 | Int_t nBinPair[nDimPair] = {nBinsPhi,nBinsC,fPtBinning.GetSize()-1,nBinsInvMass,nBinsSource,nBinsAngle,fPtBinning.GetSize()-1,fEtaBinning.GetSize()-1,kBinsEtaAssociated}; |
4437a0d2 | 304 | |
8a9b2231 | 305 | // Associated Electron |
1452614c | 306 | Int_t nBinAssElectron[nDimSingle] = {nBinsC,fPtBinning.GetSize()-1,nBinsSource,kBinsEtaAssociated}; |
4437a0d2 | 307 | fAssElectron = new THnSparseF("fAssElectron","fAssElectron",nDimSingle,nBinAssElectron); |
8a9b2231 | 308 | fAssElectron->SetBinEdges(0,binLimC); |
1452614c | 309 | fAssElectron->SetBinEdges(1,fPtBinning.GetArray()); |
8a9b2231 | 310 | fAssElectron->SetBinEdges(2,binLimSource); |
4437a0d2 | 311 | fAssElectron->SetBinEdges(3,binLimEtaAssociat); |
8a9b2231 | 312 | fAssElectron->Sumw2(); |
313 | AliDebug(2,"AliHFENonPhotonicElectron: fAssElectron"); | |
314 | ||
315 | // Inclusive Electron | |
1452614c | 316 | Int_t nBinIncElectron[nDimSingle] = {nBinsC,fPtBinning.GetSize()-1,nBinsSource,fEtaBinning.GetSize()-1}; |
4437a0d2 | 317 | fIncElectron = new THnSparseF("fIncElectron","fIncElectron",nDimSingle,nBinIncElectron); |
8a9b2231 | 318 | fIncElectron->SetBinEdges(0,binLimC); |
1452614c | 319 | fIncElectron->SetBinEdges(1,fPtBinning.GetArray()); |
8a9b2231 | 320 | fIncElectron->SetBinEdges(2,binLimSource); |
1452614c | 321 | fIncElectron->SetBinEdges(3,fEtaBinning.GetArray()); |
8a9b2231 | 322 | fIncElectron->Sumw2(); |
323 | AliDebug(2,"AliHFENonPhotonicElectron: fIncElectron"); | |
76d0b522 | 324 | |
325 | // ee invariant mass Unlike Sign | |
4437a0d2 | 326 | fUSign = new THnSparseF("fUSign","fUSign",nDimPair,nBinPair); |
959ea9d8 | 327 | fUSign->SetBinEdges(0,binLimPhi); |
328 | fUSign->SetBinEdges(1,binLimC); | |
1452614c | 329 | fUSign->SetBinEdges(2,fPtBinning.GetArray()); |
959ea9d8 | 330 | fUSign->SetBinEdges(3,binLimInvMass); |
331 | fUSign->SetBinEdges(4,binLimSource); | |
332 | fUSign->SetBinEdges(5,binLimAngle); | |
1452614c | 333 | fUSign->SetBinEdges(6,fPtBinning.GetArray()); |
334 | fUSign->SetBinEdges(7,fEtaBinning.GetArray()); | |
4437a0d2 | 335 | fUSign->SetBinEdges(8,binLimEtaAssociat); |
959ea9d8 | 336 | fUSign->Sumw2(); |
337 | AliDebug(2,"AliHFENonPhotonicElectron: fUSign"); | |
76d0b522 | 338 | |
339 | // ee invariant mass Like Sign | |
4437a0d2 | 340 | fLSign = new THnSparseF("fLSign","fLSign",nDimPair,nBinPair); |
959ea9d8 | 341 | fLSign->SetBinEdges(0,binLimPhi); |
342 | fLSign->SetBinEdges(1,binLimC); | |
1452614c | 343 | fLSign->SetBinEdges(2,fPtBinning.GetArray()); |
959ea9d8 | 344 | fLSign->SetBinEdges(3,binLimInvMass); |
345 | fLSign->SetBinEdges(4,binLimSource); | |
346 | fLSign->SetBinEdges(5,binLimAngle); | |
1452614c | 347 | fLSign->SetBinEdges(6,fPtBinning.GetArray()); |
348 | fLSign->SetBinEdges(7,fEtaBinning.GetArray()); | |
4437a0d2 | 349 | fLSign->SetBinEdges(8,binLimEtaAssociat); |
959ea9d8 | 350 | fLSign->Sumw2(); |
351 | AliDebug(2,"AliHFENonPhotonicElectron: fLSign"); | |
352 | ||
c3e32eae | 353 | // Histograms counting the number of like sign / unlike sign matches per inclusive track |
354 | const Int_t nBinsMatches = 50; | |
355 | Double_t binLimMatches[nBinsMatches+1]; | |
356 | for(int ib = 0; ib <= nBinsMatches; ib++) binLimMatches[ib] = ib; | |
357 | const Int_t nDimMatches = 3; // centrality, pt_inc, number of matches | |
1452614c | 358 | const Int_t nBinsMatchHist[nDimMatches] = {nBinsC, fPtBinning.GetSize()-1, nBinsMatches}; |
c3e32eae | 359 | fUSmatches = new THnSparseF("fUSmatches", "fUSmatches", nDimMatches, nBinsMatchHist); |
360 | fUSmatches->SetBinEdges(0,binLimC); | |
1452614c | 361 | fUSmatches->SetBinEdges(1,fPtBinning.GetArray()); |
c3e32eae | 362 | fUSmatches->SetBinEdges(2,binLimMatches); |
363 | ||
364 | fLSmatches = new THnSparseF("fLSmatches", "fLSmatches", nDimMatches, nBinsMatchHist); | |
365 | fLSmatches->SetBinEdges(0,binLimC); | |
1452614c | 366 | fLSmatches->SetBinEdges(1,fPtBinning.GetArray()); |
c3e32eae | 367 | fLSmatches->SetBinEdges(2,binLimMatches); |
368 | ||
959ea9d8 | 369 | /* |
76d0b522 | 370 | // ee angle Unlike Sign |
371 | const Int_t nDimUSignAngle=3; | |
372 | Int_t nBinUSignAngle[nDimUSignAngle] = {nBinsAngle,nBinsC,nBinsSource}; | |
373 | fUSignAngle = new THnSparseF("fUSignAngle","fUSignAngle",nDimUSignAngle,nBinUSignAngle); | |
374 | fUSignAngle->SetBinEdges(0,binLimAngle); | |
375 | fUSignAngle->SetBinEdges(1,binLimC); | |
376 | fUSignAngle->SetBinEdges(2,binLimSource); | |
76d0b522 | 377 | fUSignAngle->Sumw2(); |
378 | AliDebug(2,"AliHFENonPhotonicElectron: fUSignAngle"); | |
379 | ||
380 | // ee angle Like Sign | |
381 | const Int_t nDimLSignAngle=3; | |
382 | Int_t nBinLSignAngle[nDimLSignAngle] = {nBinsAngle,nBinsC,nBinsSource}; | |
383 | fLSignAngle = new THnSparseF("fLSignAngle","fLSignAngle",nDimLSignAngle,nBinLSignAngle); | |
384 | fLSignAngle->SetBinEdges(0,binLimAngle); | |
385 | fLSignAngle->SetBinEdges(1,binLimC); | |
386 | fLSignAngle->SetBinEdges(2,binLimSource); | |
76d0b522 | 387 | fLSignAngle->Sumw2(); |
388 | AliDebug(2,"AliHFENonPhotonicElectron: fLSignAngle"); | |
959ea9d8 | 389 | */ |
76d0b522 | 390 | |
4437a0d2 | 391 | // control histogram for ITS PID |
392 | fHnsigmaITS = new TH2F("fHnsigmaITS", "Number of sigmas in the ITS", 30, 0., 0.3, 1200, -10., 10.); | |
393 | ||
8a9b2231 | 394 | fListOutput->Add(fAssElectron); |
395 | fListOutput->Add(fIncElectron); | |
959ea9d8 | 396 | fListOutput->Add(fUSign); |
397 | fListOutput->Add(fLSign); | |
c3e32eae | 398 | fListOutput->Add(fUSmatches); |
399 | fListOutput->Add(fLSmatches); | |
4437a0d2 | 400 | fListOutput->Add(fHnsigmaITS); |
959ea9d8 | 401 | // fListOutput->Add(fUSignAngle); |
402 | // fListOutput->Add(fLSignAngle); | |
76d0b522 | 403 | |
404 | } | |
405 | ||
406 | //_____________________________________________________________________________________________ | |
663a2523 | 407 | void AliHFENonPhotonicElectron::InitRun(const AliVEvent *inputEvent,const AliPIDResponse *pidResponse) |
76d0b522 | 408 | { |
409 | // | |
410 | // Init run | |
411 | // | |
412 | ||
413 | if(!pidResponse) | |
414 | { | |
415 | AliDebug(1, "Using default PID Response"); | |
416 | Bool_t hasmc = kFALSE; | |
417 | if(fMCEvent || fAODArrayMCInfo) hasmc=kTRUE; | |
418 | pidResponse = AliHFEtools::GetDefaultPID(hasmc, inputEvent->IsA() == AliESDEvent::Class()); | |
419 | } | |
420 | ||
421 | if(!fPIDBackground) return; | |
422 | fPIDBackground->SetPIDResponse(pidResponse); | |
423 | ||
424 | if(!fPIDBackground->IsInitialized()) | |
425 | { | |
426 | // Initialize PID with the given run number | |
427 | fPIDBackground->InitializePID(inputEvent->GetRunNumber()); | |
428 | } | |
429 | ||
430 | } | |
431 | ||
432 | //_____________________________________________________________________________________________ | |
8a9b2231 | 433 | Int_t AliHFENonPhotonicElectron::FillPoolAssociatedTracks(AliVEvent *inputEvent, Int_t binct) |
76d0b522 | 434 | { |
435 | // | |
436 | // Fill the pool of associated tracks | |
437 | // Return the number of associated tracks | |
438 | // | |
439 | ||
8a9b2231 | 440 | fnumberfound = 0; |
441 | ||
4437a0d2 | 442 | fHFEBackgroundCuts->SetRecEvent(inputEvent); |
76d0b522 | 443 | Int_t nbtracks = inputEvent->GetNumberOfTracks(); |
444 | ||
4437a0d2 | 445 | if( fArraytrack ){ |
76d0b522 | 446 | fArraytrack->~TArrayI(); |
447 | new(fArraytrack) TArrayI(nbtracks); | |
4437a0d2 | 448 | } else { |
76d0b522 | 449 | fArraytrack = new TArrayI(nbtracks); |
450 | } | |
451 | ||
452 | fCounterPoolBackground = 0; | |
453 | ||
4437a0d2 | 454 | Bool_t isSelected(kFALSE); |
455 | Bool_t isAOD = (dynamic_cast<AliAODEvent *>(inputEvent) != NULL); | |
456 | AliDebug(2, Form("isAOD: %s", isAOD ? "yes" : "no")); | |
457 | for(Int_t k = 0; k < nbtracks; k++) { | |
76d0b522 | 458 | AliVTrack *track = (AliVTrack *) inputEvent->GetTrack(k); |
459 | if(!track) continue; | |
4437a0d2 | 460 | |
461 | // | |
462 | isSelected = kFALSE; | |
463 | if(fSelectCategory1tracks && FilterCategory1Track(track, isAOD, binct)) isSelected = kTRUE; | |
464 | else if(fSelectCategory2tracks && FilterCategory2Track(track, isAOD)) isSelected = kTRUE; | |
465 | ||
466 | if(isSelected){ | |
467 | AliDebug(2,Form("fCounterPoolBackground %d, track %d",fCounterPoolBackground,k)); | |
468 | fArraytrack->AddAt(k,fCounterPoolBackground); | |
469 | fCounterPoolBackground++; | |
76d0b522 | 470 | } |
471 | } // loop tracks | |
472 | ||
8a9b2231 | 473 | //printf(Form("Associated Pool: Tracks %d, fCounterPoolBackground %d \n", nbtracks, fCounterPoolBackground)); |
76d0b522 | 474 | |
475 | return fCounterPoolBackground; | |
8a9b2231 | 476 | |
477 | } | |
478 | ||
479 | //_____________________________________________________________________________________________ | |
480 | Int_t AliHFENonPhotonicElectron::CountPoolAssociated(AliVEvent *inputEvent, Int_t binct) | |
481 | { | |
482 | // | |
483 | // Count the pool of assiocated tracks | |
484 | // | |
485 | ||
486 | ||
487 | if(fnumberfound > 0) //!count only events with an inclusive electron | |
488 | { | |
4437a0d2 | 489 | Double_t valueAssElectron[4] = { binct, -1, -1}; //Centrality Pt Source |
8a9b2231 | 490 | Int_t iTrack2 = 0; |
491 | Int_t indexmother2 = -1; | |
492 | AliVTrack *track2 = 0x0; | |
493 | ||
c3e32eae | 494 | for(Int_t ii = 0; ii < fCounterPoolBackground; ii++){ |
8a9b2231 | 495 | iTrack2 = fArraytrack->At(ii); |
496 | AliDebug(2,Form("track %d",iTrack2)); | |
497 | track2 = (AliVTrack *)inputEvent->GetTrack(iTrack2); | |
498 | ||
c3e32eae | 499 | if(!track2){ |
500 | //printf("ERROR: Could not receive track %d", iTrack2); | |
501 | continue; | |
8a9b2231 | 502 | } |
503 | ||
504 | // if MC look | |
c3e32eae | 505 | if(fMCEvent || fAODArrayMCInfo) valueAssElectron[2] = FindMother(TMath::Abs(track2->GetLabel()), indexmother2) ; |
8a9b2231 | 506 | |
507 | fkPIDRespons = fPIDBackground->GetPIDResponse(); | |
508 | ||
509 | valueAssElectron[1] = track2->Pt() ; | |
4437a0d2 | 510 | valueAssElectron[3] = track2->Eta() ; |
8a9b2231 | 511 | |
512 | fAssElectron->Fill( valueAssElectron) ; | |
513 | } | |
514 | //printf(Form("Associated Pool: fCounterPoolBackground %d \n", fCounterPoolBackground)); | |
515 | } | |
516 | return fnumberfound; | |
76d0b522 | 517 | } |
518 | ||
519 | //_____________________________________________________________________________________________ | |
520 | Int_t AliHFENonPhotonicElectron::LookAtNonHFE(Int_t iTrack1, AliVTrack *track1, AliVEvent *vEvent, Double_t weight, Int_t binct, Double_t deltaphi, Int_t source, Int_t indexmother) | |
521 | { | |
522 | // | |
523 | // Look At Non HFE | |
524 | // | |
525 | ||
526 | /*********************************************************************************** | |
527 | * * | |
528 | * iTrack1: index of the tagged electrons in AliVEvent * | |
529 | * track1: tagged electron * | |
530 | * vEvent: event * | |
531 | * weight: weight in pt if not realistic * | |
532 | * binct: centrality bin * | |
533 | * deltaphi: phi-phi event plane for v2 * | |
534 | * source: MC sources * | |
535 | * indexmother: MC index mother * | |
536 | * * | |
537 | * * | |
538 | * return -1 if nothing * | |
539 | * return 2 if opposite charge within the mass range * | |
540 | * return 4 if like charge within the mass range * | |
541 | * return 6 if opposite & like charge within the mass range * | |
542 | * * | |
543 | ***********************************************************************************/ | |
544 | ||
545 | AliAODEvent *aodeventu = dynamic_cast<AliAODEvent*>(vEvent); | |
546 | Int_t taggedphotonic = -1; | |
547 | ||
548 | AliDebug(2,Form("fCounterPoolBackground %d in LookAtNonHFE!!!",fCounterPoolBackground)); | |
549 | if(!fArraytrack) return taggedphotonic; | |
550 | AliDebug(2,Form("process track %d",iTrack1)); | |
39427568 | 551 | AliDebug(1,Form("Inclusive source is %d\n", source)); |
76d0b522 | 552 | |
8a9b2231 | 553 | fkPIDRespons = fPIDBackground->GetPIDResponse(); |
76d0b522 | 554 | |
8a9b2231 | 555 | //Set Fill-Arrays for THnSparse |
4437a0d2 | 556 | Double_t valueIncElectron[4] = { binct, track1->Pt(), source, track1->Eta()}; //Centrality Pt Source P |
557 | Double_t valueSign[9] = { deltaphi, binct, track1->Pt(), -1, source, -1, -1, track1->Eta(), -1}; //DeltaPhi Centrality Pt InvariantMass Source Angle Pt | |
8a9b2231 | 558 | //Double_t valueAngle[3] = { -1, binct, source}; //Angle Centrality Source |
76d0b522 | 559 | |
560 | Int_t pdg1 = CheckPdg(TMath::Abs(track1->GetLabel())); | |
4437a0d2 | 561 | AliKFParticle::SetField(vEvent->GetMagneticField()); |
562 | AliKFVertex primV(*(vEvent->GetPrimaryVertex())); | |
8a9b2231 | 563 | |
4437a0d2 | 564 | AliVTrack *track2(NULL); |
76d0b522 | 565 | Int_t iTrack2 = 0; |
76d0b522 | 566 | Int_t indexmother2 = -1; |
8a9b2231 | 567 | Int_t pdg2 = -100; |
568 | Int_t source2 = -1; | |
8a9b2231 | 569 | Float_t fCharge2 = 0; |
570 | ||
c3e32eae | 571 | // count number of matches with opposite/same sign track in the given mass range |
572 | Int_t countsMatchLikesign(0), | |
573 | countsMatchUnlikesign(0); | |
574 | ||
4437a0d2 | 575 | // Values to fill |
576 | Double_t angle(-1.); | |
577 | Double_t invmass(-1); | |
76d0b522 | 578 | |
8a9b2231 | 579 | Float_t fCharge1 = track1->Charge(); //Charge from track1 |
76d0b522 | 580 | |
8a9b2231 | 581 | Bool_t kUSignPhotonic = kFALSE; |
582 | Bool_t kLSignPhotonic = kFALSE; | |
76d0b522 | 583 | |
8a9b2231 | 584 | //! FILL Inclusive Electron |
585 | fIncElectron->Fill(valueIncElectron,weight); | |
586 | fnumberfound++; | |
587 | //printf(Form("Inclusive Pool: TrackNr. %d, fnumberfound %d \n", iTrack1, fnumberfound)); | |
76d0b522 | 588 | |
c3e32eae | 589 | for(Int_t idex = 0; idex < fCounterPoolBackground; idex++){ |
76d0b522 | 590 | iTrack2 = fArraytrack->At(idex); |
591 | AliDebug(2,Form("track %d",iTrack2)); | |
592 | track2 = (AliVTrack *)vEvent->GetTrack(iTrack2); | |
593 | ||
c3e32eae | 594 | if(!track2){ |
8a9b2231 | 595 | //printf("ERROR: Could not receive track %d", iTrack2); |
76d0b522 | 596 | continue; |
597 | } | |
598 | ||
76d0b522 | 599 | fCharge2 = track2->Charge(); //Charge from track2 |
600 | ||
601 | // Reset the MC info | |
959ea9d8 | 602 | //valueAngle[2] = source; |
603 | valueSign[4] = source; | |
8a9b2231 | 604 | valueSign[6] = track2->Pt(); |
4437a0d2 | 605 | valueSign[8] = track2->Eta(); |
76d0b522 | 606 | |
607 | // track cuts and PID already done | |
608 | ||
8a9b2231 | 609 | // Checking if it is the same Track! |
610 | if(iTrack2==iTrack1) continue; | |
611 | AliDebug(2,"Different"); | |
612 | ||
76d0b522 | 613 | // if MC look |
c3e32eae | 614 | if(fMCEvent || fAODArrayMCInfo){ |
39427568 | 615 | AliDebug(2, "Checking for source"); |
76d0b522 | 616 | source2 = FindMother(TMath::Abs(track2->GetLabel()), indexmother2); |
39427568 | 617 | AliDebug(2, Form("source is %d", source2)); |
76d0b522 | 618 | pdg2 = CheckPdg(TMath::Abs(track2->GetLabel())); |
619 | ||
39427568 | 620 | if(source == kElectronfromconversion){ |
621 | AliDebug(2, Form("Electron from conversion (source %d), paired with source %d", source, source2)); | |
622 | AliDebug(2, Form("Index of the mothers: incl %d, associated %d", indexmother, indexmother2)); | |
623 | AliDebug(2, Form("PDGs: incl %d, associated %d", pdg1, pdg2)); | |
624 | } | |
625 | ||
c3e32eae | 626 | if(source2 >=0 ){ |
627 | if((indexmother2 == indexmother) && (source == source2) && ((pdg1*pdg2)<0.0)){ | |
39427568 | 628 | AliDebug(1, "Real pair"); |
c3e32eae | 629 | switch(source){ |
4437a0d2 | 630 | case kElectronfromconversion: |
631 | valueSign[4] = kElectronfromconversionboth; | |
632 | break; | |
633 | case kElectronfrompi0: | |
634 | valueSign[4] = kElectronfrompi0both; | |
635 | break; | |
636 | case kElectronfrometa: | |
637 | valueSign[4] = kElectronfrometaboth; | |
638 | break; | |
c3e32eae | 639 | }; |
640 | } | |
76d0b522 | 641 | } |
642 | } | |
643 | ||
4437a0d2 | 644 | if(fAlgorithmMA){ |
645 | // Use TLorentzVector | |
646 | if(!MakePairDCA(track1, track2, vEvent, (aodeventu != NULL), invmass, angle)) continue; | |
c3e32eae | 647 | } else { |
4437a0d2 | 648 | // Use AliKF package |
649 | if(!MakePairKF(track1, track2, primV, invmass, angle)) continue; | |
650 | } | |
76d0b522 | 651 | |
4437a0d2 | 652 | valueSign[3] = invmass; |
653 | valueSign[5] = angle; | |
76d0b522 | 654 | |
4437a0d2 | 655 | //if((fCharge1*fCharge2)>0.0) fLSignAngle->Fill(&valueAngle[0],weight); |
656 | //else fUSignAngle->Fill(&valueAngle[0],weight); | |
76d0b522 | 657 | |
4437a0d2 | 658 | if(angle > fMaxOpening3D) continue; //! Cut on Opening Angle |
659 | if(invmass > fMaxInvMass) continue; //! Cut on Invariant Mass | |
8a9b2231 | 660 | |
4437a0d2 | 661 | if((fCharge1*fCharge2)>0.0){ |
662 | if(invmass < 1.0) fLSign->Fill( valueSign, weight); | |
663 | // count like-sign background matched pairs per inclusive based on mass cut | |
664 | if(invmass < 0.14) countsMatchLikesign++; | |
39427568 | 665 | AliDebug(1, "Selected Like sign"); |
4437a0d2 | 666 | } else { |
667 | if(invmass < 1.0)fUSign->Fill( valueSign, weight); | |
668 | // count unlike-sign matched pairs per inclusive based on mass cut | |
669 | if(invmass < 0.14) countsMatchUnlikesign++; | |
39427568 | 670 | AliDebug(1, "Selected Unike sign"); |
76d0b522 | 671 | } |
4437a0d2 | 672 | |
673 | if((fCharge1*fCharge2)>0.0) kLSignPhotonic=kTRUE; | |
674 | else kUSignPhotonic=kTRUE; | |
76d0b522 | 675 | } |
676 | ||
c3e32eae | 677 | // Fill counted |
678 | Double_t valCountsLS[3] = {binct, track1->Pt(), countsMatchLikesign}, | |
679 | valCountsUS[3] = {binct, track1->Pt(), countsMatchUnlikesign}; | |
680 | fUSmatches->Fill(valCountsUS); | |
681 | fLSmatches->Fill(valCountsLS); | |
682 | ||
8a9b2231 | 683 | if( kUSignPhotonic && kLSignPhotonic) taggedphotonic = 6; |
684 | if(!kUSignPhotonic && kLSignPhotonic) taggedphotonic = 4; | |
685 | if( kUSignPhotonic && !kLSignPhotonic) taggedphotonic = 2; | |
76d0b522 | 686 | |
687 | return taggedphotonic; | |
688 | } | |
689 | ||
690 | //_________________________________________________________________________ | |
39427568 | 691 | Int_t AliHFENonPhotonicElectron::FindMother(Int_t tr, Int_t &indexmother) const { |
76d0b522 | 692 | // |
693 | // Find the mother if MC | |
694 | // | |
695 | ||
696 | if(!fMCEvent && !fAODArrayMCInfo) return 0; | |
697 | ||
698 | Int_t pdg = CheckPdg(tr); | |
699 | if(TMath::Abs(pdg)!= 11) | |
700 | { | |
701 | indexmother = -1; | |
702 | return kNoElectron; | |
703 | } | |
704 | ||
705 | indexmother = IsMotherGamma(tr); | |
706 | if(indexmother > 0) return kElectronfromconversion; | |
707 | indexmother = IsMotherPi0(tr); | |
708 | if(indexmother > 0) return kElectronfrompi0; | |
709 | indexmother = IsMotherC(tr); | |
710 | if(indexmother > 0) return kElectronfromC; | |
711 | indexmother = IsMotherB(tr); | |
712 | if(indexmother > 0) return kElectronfromB; | |
713 | indexmother = IsMotherEta(tr); | |
714 | if(indexmother > 0) return kElectronfrometa; | |
715 | ||
716 | return kElectronfromother; | |
717 | } | |
718 | ||
719 | //________________________________________________________________________________________________ | |
39427568 | 720 | Int_t AliHFENonPhotonicElectron::CheckPdg(Int_t tr) const { |
76d0b522 | 721 | |
722 | // | |
723 | // Return the pdg of the particle | |
724 | // | |
725 | ||
726 | Int_t pdgcode = -1; | |
727 | if(tr < 0) return pdgcode; | |
728 | ||
39427568 | 729 | AliMCParticle *mctrackesd = NULL; AliAODMCParticle *mctrackaod = NULL; |
730 | if(fMCEvent){ | |
76d0b522 | 731 | AliVParticle *mctrack = fMCEvent->GetTrack(tr); |
39427568 | 732 | if(mctrack){ |
733 | if((mctrackesd = dynamic_cast<AliMCParticle *>(fMCEvent->GetTrack(TMath::Abs(tr))))) pdgcode = mctrackesd->PdgCode(); | |
734 | else if((mctrackaod = dynamic_cast<AliAODMCParticle *>(fMCEvent->GetTrack(TMath::Abs(tr))))) pdgcode = mctrackaod->GetPdgCode(); | |
735 | } | |
736 | } else if(fAODArrayMCInfo) { | |
737 | if(tr < fAODArrayMCInfo->GetEntriesFast()){ | |
738 | mctrackaod = (AliAODMCParticle *) fAODArrayMCInfo->At(tr); | |
739 | if(mctrackaod) return pdgcode = mctrackaod->GetPdgCode(); | |
740 | } | |
76d0b522 | 741 | } |
742 | ||
743 | return pdgcode; | |
744 | } | |
745 | ||
746 | //_______________________________________________________________________________________________ | |
39427568 | 747 | Int_t AliHFENonPhotonicElectron::GetMotherPDG(Int_t tr, Int_t &motherIndex) const { |
76d0b522 | 748 | // |
39427568 | 749 | // Returns the mother PDG of the track (return value) and the index of the |
750 | // mother track | |
76d0b522 | 751 | // |
76d0b522 | 752 | if(tr < 0) return -1; |
753 | ||
39427568 | 754 | Int_t pdg(-1); |
755 | AliMCParticle *mctrackesd(NULL); AliAODMCParticle *mctrackaod(NULL); | |
756 | ||
757 | motherIndex = -1; | |
758 | if(fMCEvent) { | |
759 | AliDebug(2, "Using MC Event"); | |
76d0b522 | 760 | AliVParticle *mctrack = fMCEvent->GetTrack(tr); |
39427568 | 761 | if(mctrack){ |
762 | if((mctrackesd = dynamic_cast<AliMCParticle *>(fMCEvent->GetTrack(TMath::Abs(tr))))){ | |
763 | // Case ESD | |
764 | TParticle *particle = mctrackesd->Particle(); | |
765 | ||
766 | // Take mother | |
767 | if(particle){ | |
768 | motherIndex = particle->GetFirstMother(); | |
769 | if(motherIndex >= 0){ | |
770 | AliMCParticle *mothertrack = NULL; | |
771 | if((mothertrack = dynamic_cast<AliMCParticle *>(fMCEvent->GetTrack(TMath::Abs(motherIndex))))){ | |
772 | TParticle * mother = mothertrack->Particle(); | |
773 | pdg = mother->GetPdgCode(); | |
774 | } | |
775 | } | |
776 | } | |
777 | } else if((mctrackaod = dynamic_cast<AliAODMCParticle *>(fMCEvent->GetTrack(TMath::Abs(tr))))){ | |
778 | // Case AOD | |
779 | // Take mother | |
780 | motherIndex = mctrackaod->GetMother(); | |
781 | if(motherIndex >= 0){ | |
782 | AliAODMCParticle *mothertrack = dynamic_cast<AliAODMCParticle *>(fMCEvent->GetTrack(motherIndex)); | |
783 | if(mothertrack) pdg = mothertrack->GetPdgCode(); | |
784 | } | |
785 | } | |
786 | } | |
787 | } else if(fAODArrayMCInfo) { | |
788 | AliDebug(2, "Using AOD list"); | |
789 | if(tr < fAODArrayMCInfo->GetEntriesFast()){ | |
790 | mctrackaod = (AliAODMCParticle *) fAODArrayMCInfo->At(tr); | |
791 | ||
792 | // Take mother | |
793 | if(mctrackaod){ | |
794 | motherIndex = mctrackaod->GetMother(); | |
795 | if(motherIndex >= 0 && motherIndex < fAODArrayMCInfo->GetEntriesFast()){ | |
796 | AliAODMCParticle *mothertrack = dynamic_cast<AliAODMCParticle *>(fAODArrayMCInfo->At(TMath::Abs(motherIndex))); | |
797 | if(mothertrack) pdg = mothertrack->GetPdgCode(); | |
798 | } | |
799 | } | |
76d0b522 | 800 | } |
76d0b522 | 801 | } |
39427568 | 802 | return pdg; |
803 | } | |
76d0b522 | 804 | |
39427568 | 805 | //_______________________________________________________________________________________________ |
806 | Int_t AliHFENonPhotonicElectron::IsMotherGamma(Int_t tr) const { | |
807 | ||
808 | // | |
809 | // Return the lab of gamma mother or -1 if not gamma | |
810 | // | |
811 | ||
812 | Int_t imother(-1), pdg(-1); | |
813 | pdg = GetMotherPDG(tr, imother); | |
814 | ||
815 | // Check gamma | |
816 | if(imother >= 0){ | |
817 | if(TMath::Abs(pdg) == 22){ | |
818 | AliDebug(2, "Gamma Mother selected"); | |
819 | return imother; | |
820 | } | |
821 | if(TMath::Abs(pdg) == 11){ | |
822 | AliDebug(2, "Mother is electron - look further in hierarchy"); | |
76d0b522 | 823 | return IsMotherGamma(imother); |
824 | } | |
39427568 | 825 | AliDebug(2, "Nothing selected"); |
76d0b522 | 826 | return -1; |
827 | } | |
39427568 | 828 | AliDebug(2, "Not mother"); |
76d0b522 | 829 | return -1; |
830 | } | |
831 | ||
832 | //________________________________________________________________________________________________ | |
39427568 | 833 | Int_t AliHFENonPhotonicElectron::IsMotherPi0(Int_t tr) const { |
76d0b522 | 834 | |
835 | // | |
836 | // Return the lab of pi0 mother or -1 if not pi0 | |
837 | // | |
838 | ||
39427568 | 839 | Int_t imother(-1), pdg(-1); |
840 | pdg = GetMotherPDG(tr, imother); | |
76d0b522 | 841 | |
39427568 | 842 | // Check pi0 |
843 | if(imother >= 0){ | |
844 | if(TMath::Abs(pdg) == 111){ | |
845 | AliDebug(2, "Pi0 Mother selected"); | |
846 | return imother; | |
76d0b522 | 847 | } |
39427568 | 848 | if(TMath::Abs(pdg) == 11){ |
849 | AliDebug(2, "Mother is electron - look further in hierarchy"); | |
76d0b522 | 850 | return IsMotherPi0(imother); |
851 | } | |
39427568 | 852 | AliDebug(2, "Nothing selected"); |
76d0b522 | 853 | return -1; |
854 | } | |
39427568 | 855 | AliDebug(2, "Not mother"); |
76d0b522 | 856 | return -1; |
857 | } | |
858 | //________________________________________________________________________________________________ | |
39427568 | 859 | Int_t AliHFENonPhotonicElectron::IsMotherC(Int_t tr) const { |
76d0b522 | 860 | |
861 | // | |
862 | // Return the lab of signal mother or -1 if not from C | |
863 | // | |
864 | ||
39427568 | 865 | Int_t imother(-1), pdg(-1); |
866 | pdg = GetMotherPDG(tr, imother); | |
76d0b522 | 867 | |
868 | // Check C | |
39427568 | 869 | if(imother >= 0){ |
870 | if((TMath::Abs(pdg)==411) || (TMath::Abs(pdg)==421) || (TMath::Abs(pdg)==431) || (TMath::Abs(pdg)==4122) || (TMath::Abs(pdg)==4132) || (TMath::Abs(pdg)==4232) || (TMath::Abs(pdg)==43320)){ | |
871 | AliDebug(2, "Charm Mother selected"); | |
872 | return imother; | |
76d0b522 | 873 | } |
39427568 | 874 | if(TMath::Abs(pdg) == 11){ |
875 | AliDebug(2, "Mother is electron - look further in hierarchy"); | |
76d0b522 | 876 | return IsMotherC(imother); |
877 | } | |
39427568 | 878 | AliDebug(2, "Nothing selected"); |
76d0b522 | 879 | return -1; |
880 | } | |
39427568 | 881 | AliDebug(2, "Not mother"); |
76d0b522 | 882 | return -1; |
883 | } | |
39427568 | 884 | |
76d0b522 | 885 | //_______________________________________________________________________________________________ |
39427568 | 886 | Int_t AliHFENonPhotonicElectron::IsMotherB(Int_t tr) const { |
76d0b522 | 887 | |
888 | // | |
889 | // Return the lab of signal mother or -1 if not B | |
890 | // | |
891 | ||
39427568 | 892 | Int_t imother(-1), pdg(-1); |
893 | pdg = GetMotherPDG(tr, imother); | |
76d0b522 | 894 | |
39427568 | 895 | // Check B |
896 | if(imother >= 0){ | |
897 | if((TMath::Abs(pdg)==511) || (TMath::Abs(pdg)==521) || (TMath::Abs(pdg)==531) || (TMath::Abs(pdg)==5122) || (TMath::Abs(pdg)==5132) || (TMath::Abs(pdg)==5232) || (TMath::Abs(pdg)==53320)){ | |
898 | AliDebug(2, "Bottom Mother selected"); | |
899 | return imother; | |
76d0b522 | 900 | } |
39427568 | 901 | if(TMath::Abs(pdg) == 11){ |
76d0b522 | 902 | return IsMotherB(imother); |
39427568 | 903 | AliDebug(2, "Mother is electron - look further in hierarchy"); |
76d0b522 | 904 | } |
39427568 | 905 | AliDebug(2, "Nothing selected"); |
76d0b522 | 906 | return -1; |
907 | } | |
39427568 | 908 | AliDebug(2, "Not mother"); |
76d0b522 | 909 | return -1; |
910 | } | |
911 | ||
912 | //_______________________________________________________________________________________________ | |
39427568 | 913 | Int_t AliHFENonPhotonicElectron::IsMotherEta(Int_t tr) const { |
76d0b522 | 914 | |
915 | // | |
916 | // Return the lab of eta mother or -1 if not eta | |
917 | // | |
918 | ||
39427568 | 919 | Int_t imother(-1), pdg(-1); |
920 | pdg = GetMotherPDG(tr, imother); | |
76d0b522 | 921 | |
39427568 | 922 | // Check eta |
923 | if(imother >= 0){ | |
924 | if(TMath::Abs(pdg) == 221){ | |
925 | AliDebug(2, "Eta mother selected"); | |
926 | return imother; | |
76d0b522 | 927 | } |
39427568 | 928 | if(TMath::Abs(pdg) == 11){ |
929 | AliDebug(2, "Mother is electron - look further in hierarchy"); | |
76d0b522 | 930 | return IsMotherEta(imother); |
931 | } | |
39427568 | 932 | AliDebug(2, "Nothing selected"); |
76d0b522 | 933 | return -1; |
934 | } | |
39427568 | 935 | AliDebug(2, "Not mother"); |
76d0b522 | 936 | return -1; |
937 | } | |
4437a0d2 | 938 | |
939 | //_______________________________________________________________________________________________ | |
940 | Bool_t AliHFENonPhotonicElectron::MakePairDCA(const AliVTrack *inclusive, const AliVTrack *associated, AliVEvent *vEvent, Bool_t isAOD, Double_t &invMass, Double_t &angle) const { | |
941 | // | |
942 | // Make Pairs of electrons using TLorentzVector | |
943 | // | |
944 | Double_t eMass = TDatabasePDG::Instance()->GetParticle(11)->Mass(); //Electron mass in GeV | |
945 | Double_t bfield = vEvent->GetMagneticField(); | |
946 | ||
947 | AliESDtrack *esdtrack1, *esdtrack2; | |
948 | if(isAOD){ | |
949 | // call copy constructor for AODs | |
950 | esdtrack1 = new AliESDtrack(inclusive); | |
951 | esdtrack2 = new AliESDtrack(associated); | |
952 | } else { | |
953 | // call copy constructor for ESDs | |
500a066a | 954 | esdtrack1 = new AliESDtrack(*(static_cast<const AliESDtrack *>(inclusive))); |
955 | esdtrack2 = new AliESDtrack(*(static_cast<const AliESDtrack *>(associated))); | |
4437a0d2 | 956 | } |
957 | if((!esdtrack1) || (!esdtrack2)){ | |
958 | delete esdtrack1; | |
959 | delete esdtrack2; | |
960 | return kFALSE; | |
961 | } | |
962 | ||
963 | Double_t xt1 = 0; //radial position track 1 at the DCA point | |
964 | Double_t xt2 = 0; //radial position track 2 at the DCA point | |
965 | Double_t dca = esdtrack2->GetDCA(esdtrack1,bfield,xt2,xt1); //DCA track1-track2 | |
966 | if(dca > fMaxDCA){ | |
967 | // Apply DCA cut already in the function | |
968 | delete esdtrack1; | |
969 | delete esdtrack2; | |
970 | return kFALSE; | |
971 | } | |
972 | ||
973 | //Momenta of the track extrapolated to DCA track-track | |
974 | Double_t p1[3] = {0,0,0}; | |
975 | Double_t p2[3] = {0,0,0}; | |
976 | Bool_t kHasdcaT1 = esdtrack1->GetPxPyPzAt(xt1,bfield,p1); //Track1 | |
977 | Bool_t kHasdcaT2 = esdtrack2->GetPxPyPzAt(xt2,bfield,p2); //Track2 | |
978 | if(!kHasdcaT1 || !kHasdcaT2) AliWarning("It could be a problem in the extrapolation"); | |
979 | ||
980 | TLorentzVector electron1, electron2, mother; | |
981 | electron1.SetXYZM(p1[0], p1[1], p1[2], eMass); | |
982 | electron2.SetXYZM(p2[0], p2[1], p2[2], eMass); | |
983 | ||
984 | mother = electron1 + electron2; | |
985 | invMass = mother.M(); | |
986 | angle = TVector2::Phi_0_2pi(electron1.Angle(electron2.Vect())); | |
987 | ||
988 | delete esdtrack1; | |
989 | delete esdtrack2; | |
990 | return kTRUE; | |
991 | } | |
992 | ||
993 | //_______________________________________________________________________________________________ | |
994 | Bool_t AliHFENonPhotonicElectron::MakePairKF(const AliVTrack *inclusive, const AliVTrack *associated, AliKFVertex &primV, Double_t &invMass, Double_t &angle) const { | |
995 | // | |
996 | // Make pairs of electrons using the AliKF package | |
997 | // | |
998 | ||
999 | //printf("AOD HFE non photonic\n"); | |
1000 | ||
1001 | Int_t fPDGtrack1 = 11; | |
1002 | if(inclusive->Charge()>0) fPDGtrack1 = -11; | |
1003 | Int_t fPDGtrack2 = 11; | |
1004 | if(associated->Charge()>0) fPDGtrack2 = -11; | |
1005 | ||
1006 | AliKFParticle ktrack1(*inclusive, fPDGtrack1); | |
1007 | AliKFParticle ktrack2(*associated, fPDGtrack2); | |
1008 | AliKFParticle recoGamma(ktrack1,ktrack2); | |
1009 | ||
1010 | if(recoGamma.GetNDF()<1) return kFALSE; //! Cut on Reconstruction | |
1011 | ||
1012 | Double_t chi2OverNDF = recoGamma.GetChi2()/recoGamma.GetNDF(); | |
1013 | if(TMath::Sqrt(TMath::Abs(chi2OverNDF))>fChi2OverNDFCut) return kFALSE; | |
1014 | ||
1015 | if(fSetMassConstraint){ | |
1016 | primV += recoGamma; | |
1017 | primV -= ktrack1; | |
1018 | primV -= ktrack2; | |
1019 | recoGamma.SetProductionVertex(primV); | |
1020 | recoGamma.SetMassConstraint(0,0.0001); | |
1021 | } | |
1022 | ||
1023 | Double_t width(0.); | |
1024 | recoGamma.GetMass(invMass,width); | |
1025 | angle = ktrack1.GetAngle(ktrack2); | |
1026 | return kTRUE; | |
1027 | } | |
1028 | ||
1029 | //_______________________________________________________________________________________________ | |
1030 | Bool_t AliHFENonPhotonicElectron::FilterCategory1Track(const AliVTrack * const track, Bool_t isAOD, Int_t binct){ | |
1031 | // | |
1032 | // Selection of good associated tracks for the pool | |
1033 | // selection is done using strong cuts | |
1034 | // Tracking in the TPC and the ITS is a minimal requirement | |
1035 | // | |
1036 | Bool_t survivedbackground = kTRUE; | |
1037 | ||
1038 | if(!fHFEBackgroundCuts->CheckParticleCuts(AliHFEcuts::kStepRecKineITSTPC + AliHFEcuts::kNcutStepsMCTrack, (TObject *) track)) survivedbackground = kFALSE; | |
1039 | AliDebug(3, Form("First cut: %s\n", survivedbackground == kTRUE ? "yes" : "no")); | |
1040 | if(!fHFEBackgroundCuts->CheckParticleCuts(AliHFEcuts::kStepRecPrim + AliHFEcuts::kNcutStepsMCTrack, (TObject *) track)) survivedbackground = kFALSE; | |
1041 | AliDebug(3, Form("Second cut: %s\n", survivedbackground == kTRUE ? "yes" : "no")); | |
1042 | ||
1043 | if(survivedbackground){ | |
1044 | // PID track cuts | |
1045 | AliHFEpidObject hfetrack2; | |
1046 | ||
1047 | if(!isAOD) hfetrack2.SetAnalysisType(AliHFEpidObject::kESDanalysis); | |
1048 | else hfetrack2.SetAnalysisType(AliHFEpidObject::kAODanalysis); | |
1049 | ||
1050 | hfetrack2.SetRecTrack(track); | |
1051 | if(binct>-1){ | |
1052 | hfetrack2.SetCentrality((Int_t)binct); | |
1053 | AliDebug(3,Form("centrality %d and %d",binct,hfetrack2.GetCentrality())); | |
1054 | hfetrack2.SetPbPb(); | |
1055 | } | |
1056 | ||
1057 | if(fPIDBackground->IsSelected(&hfetrack2,0x0,"recTrackCont",fPIDBackgroundQA)){ | |
1058 | survivedbackground = kTRUE; | |
1059 | } else survivedbackground = kFALSE; | |
1060 | } | |
1061 | AliDebug(3, Form("PID: %s\n", survivedbackground == kTRUE ? "yes" : "no")); | |
1062 | return survivedbackground; | |
1063 | } | |
1064 | ||
1065 | //_______________________________________________________________________________________________ | |
1066 | Bool_t AliHFENonPhotonicElectron::FilterCategory2Track(const AliVTrack * const track, Bool_t isAOD){ | |
1067 | // | |
1068 | // Selection of category 2 tracks: These tracks are exclusively low pt tracks below | |
1069 | // 300 MeV/c which have at least 2 hits in the 4 outer ITS layers and are identified as | |
1070 | // electron candidates by the ITS | |
1071 | // | |
1072 | if(TMath::Abs(track->Pt()) > 0.3) return kFALSE; | |
1073 | Int_t nclustersITS(0), nclustersOuter(0); | |
1074 | if(isAOD){ | |
500a066a | 1075 | const AliAODTrack *aodtrack = static_cast<const AliAODTrack *>(track); |
39427568 | 1076 | if(!(aodtrack->TestFilterBit(AliAODTrack::kTrkGlobalNoDCA) || aodtrack->TestFilterBit(AliAODTrack::kTrkITSsa))) return kFALSE; |
4437a0d2 | 1077 | nclustersITS = aodtrack->GetITSNcls(); |
1078 | for(int ily = 2; ily < 5; ily++) | |
1079 | if(aodtrack->HasPointOnITSLayer(ily)) nclustersOuter++; | |
1080 | } else { | |
500a066a | 1081 | const AliESDtrack *esdtrack = static_cast<const AliESDtrack *>(track); |
4437a0d2 | 1082 | if(esdtrack->GetStatus() & AliESDtrack::kITSpureSA) return kFALSE; |
1083 | nclustersITS = esdtrack->GetITSclusters(NULL); | |
1084 | for(int ily = 2; ily < 5; ily++) | |
1085 | if(esdtrack->HasPointOnITSLayer(ily)) nclustersOuter++; | |
1086 | } | |
1087 | if(nclustersITS < 4) return kFALSE; | |
1088 | if(nclustersOuter < 3) return kFALSE; | |
1089 | ||
1090 | // Do ITS PID | |
1091 | Double_t nsigmaITS = fPIDBackground->GetPIDResponse()->NumberOfSigmasITS(track, AliPID::kElectron); | |
1092 | fHnsigmaITS->Fill(track->Pt(), nsigmaITS); | |
bbeea05b | 1093 | if(TMath::Abs(nsigmaITS - fITSmeanShift) > 3.) return kFALSE; |
4437a0d2 | 1094 | // if global track, we apply also TPC PID |
1095 | return kTRUE; | |
1096 | } |