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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 * | |
afb48e1d | 9 | |
76d0b522 | 10 | * without fee, provided that the above copyright notice appears in all * |
11 | * copies and that both the copyright notice and this permission notice * | |
12 | * appear in the supporting documentation. The authors make no claims * | |
13 | * about the suitability of this software for any purpose. It is * | |
14 | * provided "as is" without express or implied warranty. * | |
15 | * * | |
16 | *************************************************************************************/ | |
17 | ||
18 | /************************************************************************************* | |
19 | * * | |
20 | * Class for the Selection of Non-Heavy-Flavour-Electrons trought * | |
21 | * the invariant mass method. The selection can be done from two * | |
22 | * different algorithms, which can be choosed calling the function * | |
23 | * "SetAlgorithm(TString Algorithm)". * | |
24 | * * | |
25 | * Authors: R.Bailhache, C.A.Schmidt * | |
26 | * * | |
27 | *************************************************************************************/ | |
28 | ||
29 | #include "TVector2.h" | |
30 | #include "THnSparse.h" | |
31 | #include "TMath.h" | |
32 | #include "TLorentzVector.h" | |
33 | #include "TParticle.h" | |
34 | #include "TList.h" | |
35 | #include "TDatabasePDG.h" | |
36 | ||
37 | #include "AliVEvent.h" | |
38 | #include "AliMCEvent.h" | |
39 | #include "AliESDEvent.h" | |
40 | #include "AliMCParticle.h" | |
41 | #include "AliAODMCParticle.h" | |
42 | #include "AliAODEvent.h" | |
43 | #include "AliAODVertex.h" | |
44 | #include "AliAODTrack.h" | |
45 | #include "AliVTrack.h" | |
46 | #include "AliESDtrack.h" | |
47 | #include "AliESDtrackCuts.h" | |
48 | #include "AliPIDResponse.h" | |
8a9b2231 | 49 | #include "AliPID.h" |
76d0b522 | 50 | |
51 | #include "AliKFParticle.h" | |
52 | #include "AliKFVertex.h" | |
53 | ||
54 | #include "AliHFEcuts.h" | |
55 | #include "AliHFEpid.h" | |
56 | #include "AliHFEpidQAmanager.h" | |
57 | #include "AliHFEtools.h" | |
afb48e1d | 58 | #include "AliHFEmcQA.h" |
76d0b522 | 59 | |
60 | #include "AliHFENonPhotonicElectron.h" | |
61 | ||
62 | ClassImp(AliHFENonPhotonicElectron) | |
63 | //________________________________________________________________________ | |
64 | AliHFENonPhotonicElectron::AliHFENonPhotonicElectron(const char *name, const Char_t *title) | |
8a9b2231 | 65 | :TNamed (name, title) |
66 | ,fIsAOD (kFALSE) | |
67 | ,fMCEvent (NULL) | |
68 | ,fAODArrayMCInfo (NULL) | |
afb48e1d | 69 | ,fLevelBack(-1) |
8a9b2231 | 70 | ,fHFEBackgroundCuts (NULL) |
71 | ,fPIDBackground (0x0) | |
72 | ,fPIDBackgroundQA (0) | |
73 | ,fkPIDRespons (NULL) | |
1452614c | 74 | ,fPtBinning() |
75 | ,fEtaBinning() | |
8a9b2231 | 76 | ,fAlgorithmMA (kTRUE) |
8a9b2231 | 77 | ,fChi2OverNDFCut (3.0) |
78 | ,fMaxDCA (3.0) | |
79 | // ,fMaxOpeningTheta (0.02) | |
80 | // ,fMaxOpeningPhi (0.1) | |
81 | ,fMaxOpening3D (TMath::Pi()) | |
82 | ,fMaxInvMass (1000) | |
83 | ,fSetMassConstraint (kFALSE) | |
4437a0d2 | 84 | ,fSelectCategory1tracks(kTRUE) |
85 | ,fSelectCategory2tracks(kFALSE) | |
bbeea05b | 86 | ,fITSmeanShift(0.) |
8a9b2231 | 87 | ,fArraytrack (NULL) |
88 | ,fCounterPoolBackground (0) | |
89 | ,fnumberfound (0) | |
90 | ,fListOutput (NULL) | |
91 | ,fAssElectron (NULL) | |
92 | ,fIncElectron (NULL) | |
93 | ,fUSign (NULL) | |
94 | ,fLSign (NULL) | |
c3e32eae | 95 | ,fUSmatches(NULL) |
96 | ,fLSmatches(NULL) | |
4437a0d2 | 97 | ,fHnsigmaITS(NULL) |
afb48e1d | 98 | ,fWeightsSource(NULL) |
7fcd6b0f | 99 | ,fIncElectronRadius(NULL) |
100 | ,fRecElectronRadius(NULL) | |
8a9b2231 | 101 | // ,fUSignAngle (NULL) |
102 | // ,fLSignAngle (NULL) | |
76d0b522 | 103 | { |
104 | // | |
105 | // Constructor | |
106 | // | |
8a9b2231 | 107 | fPIDBackground = new AliHFEpid("hfePidBackground"); |
76d0b522 | 108 | fPIDBackgroundQA = new AliHFEpidQAmanager; |
109 | } | |
110 | ||
111 | //________________________________________________________________________ | |
112 | AliHFENonPhotonicElectron::AliHFENonPhotonicElectron() | |
8a9b2231 | 113 | :TNamed () |
114 | ,fIsAOD (kFALSE) | |
115 | ,fMCEvent (NULL) | |
116 | ,fAODArrayMCInfo (NULL) | |
afb48e1d | 117 | ,fLevelBack(-1) |
8a9b2231 | 118 | ,fHFEBackgroundCuts (NULL) |
119 | ,fPIDBackground (0x0) | |
120 | ,fPIDBackgroundQA (0) | |
121 | ,fkPIDRespons (NULL) | |
1452614c | 122 | ,fPtBinning() |
123 | ,fEtaBinning() | |
8a9b2231 | 124 | ,fAlgorithmMA (kTRUE) |
8a9b2231 | 125 | ,fChi2OverNDFCut (3.0) |
126 | ,fMaxDCA (3.0) | |
127 | // ,fMaxOpeningTheta (0.02) | |
128 | // ,fMaxOpeningPhi (0.1) | |
129 | ,fMaxOpening3D (TMath::TwoPi()) | |
130 | ,fMaxInvMass (1000) | |
131 | ,fSetMassConstraint (kFALSE) | |
4437a0d2 | 132 | ,fSelectCategory1tracks(kTRUE) |
133 | ,fSelectCategory2tracks(kFALSE) | |
bbeea05b | 134 | ,fITSmeanShift(0.) |
8a9b2231 | 135 | ,fArraytrack (NULL) |
136 | ,fCounterPoolBackground (0) | |
137 | ,fnumberfound (0) | |
138 | ,fListOutput (NULL) | |
139 | ,fAssElectron (NULL) | |
140 | ,fIncElectron (NULL) | |
141 | ,fUSign (NULL) | |
142 | ,fLSign (NULL) | |
c3e32eae | 143 | ,fUSmatches(NULL) |
144 | ,fLSmatches(NULL) | |
4437a0d2 | 145 | ,fHnsigmaITS(NULL) |
afb48e1d | 146 | ,fWeightsSource(NULL) |
147 | ,fIncElectronRadius(NULL) | |
148 | ,fRecElectronRadius(NULL) | |
8a9b2231 | 149 | // ,fUSignAngle (NULL) |
150 | // ,fLSignAngle (NULL) | |
76d0b522 | 151 | { |
152 | // | |
153 | // Constructor | |
154 | // | |
155 | fPIDBackground = new AliHFEpid("hfePidBackground"); | |
156 | fPIDBackgroundQA = new AliHFEpidQAmanager; | |
157 | } | |
158 | ||
159 | //________________________________________________________________________ | |
160 | AliHFENonPhotonicElectron::AliHFENonPhotonicElectron(const AliHFENonPhotonicElectron &ref) | |
161 | :TNamed(ref) | |
8a9b2231 | 162 | ,fIsAOD (ref.fIsAOD) |
163 | ,fMCEvent (NULL) | |
164 | ,fAODArrayMCInfo (NULL) | |
afb48e1d | 165 | ,fLevelBack (ref.fLevelBack) |
8a9b2231 | 166 | ,fHFEBackgroundCuts (ref.fHFEBackgroundCuts) |
167 | ,fPIDBackground (ref.fPIDBackground) | |
168 | ,fPIDBackgroundQA (ref.fPIDBackgroundQA) | |
169 | ,fkPIDRespons (ref.fkPIDRespons) | |
1452614c | 170 | ,fPtBinning(ref.fPtBinning) |
171 | ,fEtaBinning(ref.fEtaBinning) | |
8a9b2231 | 172 | ,fAlgorithmMA (ref.fAlgorithmMA) |
8a9b2231 | 173 | ,fChi2OverNDFCut (ref.fChi2OverNDFCut) |
174 | ,fMaxDCA (ref.fMaxDCA) | |
175 | // ,fMaxOpeningTheta (ref.fMaxOpeningTheta) | |
176 | // ,fMaxOpeningPhi (ref.fMaxOpeningPhi) | |
177 | ,fMaxOpening3D (ref.fMaxOpening3D) | |
178 | ,fMaxInvMass (ref.fMaxInvMass) | |
179 | ,fSetMassConstraint (ref.fSetMassConstraint) | |
4437a0d2 | 180 | ,fSelectCategory1tracks(ref.fSelectCategory1tracks) |
181 | ,fSelectCategory2tracks(ref.fSelectCategory2tracks) | |
bbeea05b | 182 | ,fITSmeanShift(ref.fITSmeanShift) |
8a9b2231 | 183 | ,fArraytrack (NULL) |
184 | ,fCounterPoolBackground (0) | |
185 | ,fnumberfound (0) | |
186 | ,fListOutput (ref.fListOutput) | |
187 | ,fAssElectron (ref.fAssElectron) | |
188 | ,fIncElectron (ref.fIncElectron) | |
189 | ,fUSign (ref.fUSign) | |
190 | ,fLSign (ref.fLSign) | |
c3e32eae | 191 | ,fUSmatches(ref.fUSmatches) |
192 | ,fLSmatches(ref.fLSmatches) | |
4437a0d2 | 193 | ,fHnsigmaITS(ref.fHnsigmaITS) |
afb48e1d | 194 | ,fWeightsSource(ref.fWeightsSource) |
195 | ,fIncElectronRadius(ref.fIncElectronRadius) | |
196 | ,fRecElectronRadius(ref.fRecElectronRadius) | |
8a9b2231 | 197 | // ,fUSignAngle (ref.fUSignAngle) |
198 | // ,fLSignAngle (ref.fLSignAngle) | |
76d0b522 | 199 | { |
200 | // | |
201 | // Copy Constructor | |
202 | // | |
203 | ref.Copy(*this); | |
204 | } | |
205 | ||
206 | //____________________________________________________________ | |
207 | AliHFENonPhotonicElectron &AliHFENonPhotonicElectron::operator=(const AliHFENonPhotonicElectron &ref){ | |
208 | // | |
209 | // Assignment operator | |
210 | // | |
211 | if(this == &ref) ref.Copy(*this); | |
212 | return *this; | |
213 | } | |
214 | ||
215 | //_________________________________________ | |
216 | AliHFENonPhotonicElectron::~AliHFENonPhotonicElectron() | |
217 | { | |
218 | // | |
219 | // Destructor | |
220 | // | |
8a9b2231 | 221 | if(fArraytrack) delete fArraytrack; |
222 | //if(fHFEBackgroundCuts) delete fHFEBackgroundCuts; | |
223 | if(fPIDBackground) delete fPIDBackground; | |
224 | if(fPIDBackgroundQA) delete fPIDBackgroundQA; | |
76d0b522 | 225 | } |
226 | ||
227 | //_____________________________________________________________________________________________ | |
228 | void AliHFENonPhotonicElectron::Init() | |
229 | { | |
230 | // | |
231 | // Init | |
232 | // | |
233 | ||
8a9b2231 | 234 | //printf("Analysis Mode for AliHFENonPhotonicElectron: %s Analysis\n", fIsAOD ? "AOD" : "ESD"); |
235 | ||
76d0b522 | 236 | if(!fListOutput) fListOutput = new TList; |
237 | fListOutput->SetName("HFENonPhotonicElectron"); | |
238 | fListOutput->SetOwner(); | |
239 | ||
8a9b2231 | 240 | if(!fHFEBackgroundCuts) fHFEBackgroundCuts = new AliHFEcuts(); |
241 | if(fIsAOD) fHFEBackgroundCuts->SetAOD(); | |
242 | fHFEBackgroundCuts->Initialize(); | |
243 | if(fHFEBackgroundCuts->IsQAOn()) { | |
244 | fListOutput->Add(fHFEBackgroundCuts->GetQAhistograms()); | |
245 | } | |
76d0b522 | 246 | |
247 | // Initialize PID | |
248 | if(!fPIDBackground) fPIDBackground = new AliHFEpid("default pid"); | |
8a9b2231 | 249 | if(fMCEvent || fAODArrayMCInfo) fPIDBackground->SetHasMCData(kTRUE); // does nothing since the fMCEvent are set afterwards at the moment |
250 | if(!fPIDBackground->GetNumberOfPIDdetectors()) | |
251 | { | |
252 | //fPIDBackground->AddDetector("TOF", 0); | |
253 | fPIDBackground->AddDetector("TPC", 0); | |
254 | } | |
76d0b522 | 255 | AliInfo("PID Background QA switched on"); |
256 | fPIDBackgroundQA->Initialize(fPIDBackground); | |
257 | fListOutput->Add(fPIDBackgroundQA->MakeList("HFENP_PID_Background")); | |
258 | fPIDBackground->SortDetectors(); | |
259 | ||
1452614c | 260 | const Int_t kBinsPtDefault = 35; |
261 | 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.}; | |
262 | const Int_t kBinsEtaInclusiveDefault = 8; | |
263 | Double_t binLimEtaInclusiveDefault[kBinsEtaInclusiveDefault+1] = {-0.8, -0.6, -0.4, -0.2, 0., 0.2, 0.4, 0.6, 0.8}; | |
afb48e1d | 264 | const Int_t kBinsEtaAssociated = 15; |
265 | Double_t binLimEtaAssociat[kBinsEtaAssociated+1] = {-1.5,-1.3,-1.1,-0.9,-0.7,-0.5,-0.3,-0.1,0.1,0.3,0.5,0.7,0.9,1.1,1.3,1.5}; | |
8a9b2231 | 266 | |
1452614c | 267 | if(!fPtBinning.GetSize()) fPtBinning.Set(kBinsPtDefault+1, binLimPtDefault); |
268 | if(!fEtaBinning.GetSize()) fEtaBinning.Set(kBinsEtaInclusiveDefault+1, binLimEtaInclusiveDefault); | |
269 | ||
4437a0d2 | 270 | //Int_t nBinsP = 400; |
271 | //Double_t minP = 0.0; | |
272 | //Double_t maxP = 20.0; | |
273 | //Double_t binLimP[nBinsP+1]; | |
274 | //for(Int_t i=0; i<=nBinsP; i++) binLimP[i]=(Double_t)minP + (maxP-minP)/nBinsP*(Double_t)i ; | |
76d0b522 | 275 | |
276 | Int_t nBinsC = 11; | |
277 | Double_t minC = 0.0; | |
278 | Double_t maxC = 11.0; | |
279 | Double_t binLimC[nBinsC+1]; | |
280 | for(Int_t i=0; i<=nBinsC; i++) binLimC[i]=(Double_t)minC + (maxC-minC)/nBinsC*(Double_t)i ; | |
281 | ||
282 | Int_t nBinsSource = 10; | |
283 | Double_t minSource = 0.; | |
284 | Double_t maxSource = 10.; | |
285 | Double_t binLimSource[nBinsSource+1]; | |
286 | for(Int_t i=0; i<=nBinsSource; i++) binLimSource[i]=(Double_t)minSource + (maxSource-minSource)/nBinsSource*(Double_t)i ; | |
287 | ||
afb48e1d | 288 | Int_t nBinsInvMass = 30; |
76d0b522 | 289 | Double_t minInvMass = 0.; |
afb48e1d | 290 | Double_t maxInvMass = 0.3; |
76d0b522 | 291 | Double_t binLimInvMass[nBinsInvMass+1]; |
292 | for(Int_t i=0; i<=nBinsInvMass; i++) binLimInvMass[i]=(Double_t)minInvMass + (maxInvMass-minInvMass)/nBinsInvMass*(Double_t)i ; | |
293 | ||
afb48e1d | 294 | Int_t nBinsPhi = 8; |
76d0b522 | 295 | Double_t minPhi = 0.0; |
296 | Double_t maxPhi = TMath::Pi(); | |
297 | Double_t binLimPhi[nBinsPhi+1]; | |
298 | for(Int_t i=0; i<=nBinsPhi; i++) | |
299 | { | |
300 | binLimPhi[i]=(Double_t)minPhi + (maxPhi-minPhi)/nBinsPhi*(Double_t)i ; | |
301 | AliDebug(2,Form("bin phi is %f for %d",binLimPhi[i],i)); | |
302 | } | |
303 | ||
afb48e1d | 304 | Int_t nBinsAngle = 72; |
76d0b522 | 305 | Double_t minAngle = 0.0; |
afb48e1d | 306 | Double_t maxAngle = 0.4; |
76d0b522 | 307 | Double_t binLimAngle[nBinsAngle+1]; |
308 | for(Int_t i=0; i<=nBinsAngle; i++) | |
309 | { | |
310 | binLimAngle[i]=(Double_t)minAngle + (maxAngle-minAngle)/nBinsAngle*(Double_t)i ; | |
8a9b2231 | 311 | AliDebug(2,Form("bin phi is %f for %d",binLimAngle[i],i)); |
312 | } | |
313 | ||
4437a0d2 | 314 | // Constrain histograms |
315 | const Int_t nDimSingle=4; | |
316 | const Int_t nDimPair=9; | |
1452614c | 317 | Int_t nBinPair[nDimPair] = {nBinsPhi,nBinsC,fPtBinning.GetSize()-1,nBinsInvMass,nBinsSource,nBinsAngle,fPtBinning.GetSize()-1,fEtaBinning.GetSize()-1,kBinsEtaAssociated}; |
4437a0d2 | 318 | |
8a9b2231 | 319 | // Associated Electron |
1452614c | 320 | Int_t nBinAssElectron[nDimSingle] = {nBinsC,fPtBinning.GetSize()-1,nBinsSource,kBinsEtaAssociated}; |
4437a0d2 | 321 | fAssElectron = new THnSparseF("fAssElectron","fAssElectron",nDimSingle,nBinAssElectron); |
8a9b2231 | 322 | fAssElectron->SetBinEdges(0,binLimC); |
1452614c | 323 | fAssElectron->SetBinEdges(1,fPtBinning.GetArray()); |
8a9b2231 | 324 | fAssElectron->SetBinEdges(2,binLimSource); |
4437a0d2 | 325 | fAssElectron->SetBinEdges(3,binLimEtaAssociat); |
8a9b2231 | 326 | fAssElectron->Sumw2(); |
327 | AliDebug(2,"AliHFENonPhotonicElectron: fAssElectron"); | |
328 | ||
329 | // Inclusive Electron | |
1452614c | 330 | Int_t nBinIncElectron[nDimSingle] = {nBinsC,fPtBinning.GetSize()-1,nBinsSource,fEtaBinning.GetSize()-1}; |
4437a0d2 | 331 | fIncElectron = new THnSparseF("fIncElectron","fIncElectron",nDimSingle,nBinIncElectron); |
8a9b2231 | 332 | fIncElectron->SetBinEdges(0,binLimC); |
1452614c | 333 | fIncElectron->SetBinEdges(1,fPtBinning.GetArray()); |
8a9b2231 | 334 | fIncElectron->SetBinEdges(2,binLimSource); |
1452614c | 335 | fIncElectron->SetBinEdges(3,fEtaBinning.GetArray()); |
8a9b2231 | 336 | fIncElectron->Sumw2(); |
337 | AliDebug(2,"AliHFENonPhotonicElectron: fIncElectron"); | |
76d0b522 | 338 | |
339 | // ee invariant mass Unlike Sign | |
4437a0d2 | 340 | fUSign = new THnSparseF("fUSign","fUSign",nDimPair,nBinPair); |
959ea9d8 | 341 | fUSign->SetBinEdges(0,binLimPhi); |
342 | fUSign->SetBinEdges(1,binLimC); | |
1452614c | 343 | fUSign->SetBinEdges(2,fPtBinning.GetArray()); |
959ea9d8 | 344 | fUSign->SetBinEdges(3,binLimInvMass); |
345 | fUSign->SetBinEdges(4,binLimSource); | |
346 | fUSign->SetBinEdges(5,binLimAngle); | |
1452614c | 347 | fUSign->SetBinEdges(6,fPtBinning.GetArray()); |
348 | fUSign->SetBinEdges(7,fEtaBinning.GetArray()); | |
4437a0d2 | 349 | fUSign->SetBinEdges(8,binLimEtaAssociat); |
959ea9d8 | 350 | fUSign->Sumw2(); |
351 | AliDebug(2,"AliHFENonPhotonicElectron: fUSign"); | |
76d0b522 | 352 | |
353 | // ee invariant mass Like Sign | |
4437a0d2 | 354 | fLSign = new THnSparseF("fLSign","fLSign",nDimPair,nBinPair); |
959ea9d8 | 355 | fLSign->SetBinEdges(0,binLimPhi); |
356 | fLSign->SetBinEdges(1,binLimC); | |
1452614c | 357 | fLSign->SetBinEdges(2,fPtBinning.GetArray()); |
959ea9d8 | 358 | fLSign->SetBinEdges(3,binLimInvMass); |
359 | fLSign->SetBinEdges(4,binLimSource); | |
360 | fLSign->SetBinEdges(5,binLimAngle); | |
1452614c | 361 | fLSign->SetBinEdges(6,fPtBinning.GetArray()); |
362 | fLSign->SetBinEdges(7,fEtaBinning.GetArray()); | |
4437a0d2 | 363 | fLSign->SetBinEdges(8,binLimEtaAssociat); |
959ea9d8 | 364 | fLSign->Sumw2(); |
365 | AliDebug(2,"AliHFENonPhotonicElectron: fLSign"); | |
366 | ||
c3e32eae | 367 | // Histograms counting the number of like sign / unlike sign matches per inclusive track |
368 | const Int_t nBinsMatches = 50; | |
369 | Double_t binLimMatches[nBinsMatches+1]; | |
370 | for(int ib = 0; ib <= nBinsMatches; ib++) binLimMatches[ib] = ib; | |
371 | const Int_t nDimMatches = 3; // centrality, pt_inc, number of matches | |
1452614c | 372 | const Int_t nBinsMatchHist[nDimMatches] = {nBinsC, fPtBinning.GetSize()-1, nBinsMatches}; |
c3e32eae | 373 | fUSmatches = new THnSparseF("fUSmatches", "fUSmatches", nDimMatches, nBinsMatchHist); |
374 | fUSmatches->SetBinEdges(0,binLimC); | |
1452614c | 375 | fUSmatches->SetBinEdges(1,fPtBinning.GetArray()); |
c3e32eae | 376 | fUSmatches->SetBinEdges(2,binLimMatches); |
377 | ||
378 | fLSmatches = new THnSparseF("fLSmatches", "fLSmatches", nDimMatches, nBinsMatchHist); | |
379 | fLSmatches->SetBinEdges(0,binLimC); | |
1452614c | 380 | fLSmatches->SetBinEdges(1,fPtBinning.GetArray()); |
c3e32eae | 381 | fLSmatches->SetBinEdges(2,binLimMatches); |
382 | ||
afb48e1d | 383 | // Histograms for radius studies |
384 | Int_t nBinsradius = 50; | |
385 | Double_t minradius = 0.0; | |
386 | Double_t maxradius = 100.0; | |
387 | Double_t binLimradius[nBinsradius+1]; | |
388 | for(Int_t i=0; i<=nBinsradius; i++) binLimradius[i]=(Double_t)minradius + (maxradius-minradius)/nBinsradius*(Double_t)i ; | |
389 | const Int_t nDimIncElectronRadius = 3; // centrality, pt_inc, radius | |
390 | const Int_t nBinsIncElectronRadius[nDimIncElectronRadius] = {nBinsC, fPtBinning.GetSize()-1, nBinsradius}; | |
391 | fIncElectronRadius = new THnSparseF("fIncElectronRadius", "fIncElectronRadius", nDimIncElectronRadius, nBinsIncElectronRadius); | |
392 | fIncElectronRadius->SetBinEdges(0,binLimC); | |
393 | fIncElectronRadius->SetBinEdges(1,fPtBinning.GetArray()); | |
394 | fIncElectronRadius->SetBinEdges(2,binLimradius); | |
395 | ||
396 | fRecElectronRadius = new THnSparseF("fRecElectronRadius", "fRecElectronRadius", nDimIncElectronRadius, nBinsIncElectronRadius); | |
397 | fRecElectronRadius->SetBinEdges(0,binLimC); | |
398 | fRecElectronRadius->SetBinEdges(1,fPtBinning.GetArray()); | |
399 | fRecElectronRadius->SetBinEdges(2,binLimradius); | |
400 | ||
959ea9d8 | 401 | /* |
76d0b522 | 402 | // ee angle Unlike Sign |
403 | const Int_t nDimUSignAngle=3; | |
404 | Int_t nBinUSignAngle[nDimUSignAngle] = {nBinsAngle,nBinsC,nBinsSource}; | |
405 | fUSignAngle = new THnSparseF("fUSignAngle","fUSignAngle",nDimUSignAngle,nBinUSignAngle); | |
406 | fUSignAngle->SetBinEdges(0,binLimAngle); | |
407 | fUSignAngle->SetBinEdges(1,binLimC); | |
408 | fUSignAngle->SetBinEdges(2,binLimSource); | |
76d0b522 | 409 | fUSignAngle->Sumw2(); |
410 | AliDebug(2,"AliHFENonPhotonicElectron: fUSignAngle"); | |
411 | ||
412 | // ee angle Like Sign | |
413 | const Int_t nDimLSignAngle=3; | |
414 | Int_t nBinLSignAngle[nDimLSignAngle] = {nBinsAngle,nBinsC,nBinsSource}; | |
415 | fLSignAngle = new THnSparseF("fLSignAngle","fLSignAngle",nDimLSignAngle,nBinLSignAngle); | |
416 | fLSignAngle->SetBinEdges(0,binLimAngle); | |
417 | fLSignAngle->SetBinEdges(1,binLimC); | |
418 | fLSignAngle->SetBinEdges(2,binLimSource); | |
76d0b522 | 419 | fLSignAngle->Sumw2(); |
420 | AliDebug(2,"AliHFENonPhotonicElectron: fLSignAngle"); | |
959ea9d8 | 421 | */ |
76d0b522 | 422 | |
4437a0d2 | 423 | // control histogram for ITS PID |
424 | fHnsigmaITS = new TH2F("fHnsigmaITS", "Number of sigmas in the ITS", 30, 0., 0.3, 1200, -10., 10.); | |
425 | ||
afb48e1d | 426 | // control histogram for weights sources |
427 | fWeightsSource = new TH2F("fWeightsSource", "Source code for weights", 11, -1.5, 9.5, 29, -1.5, 27.5); | |
428 | ||
8a9b2231 | 429 | fListOutput->Add(fAssElectron); |
430 | fListOutput->Add(fIncElectron); | |
959ea9d8 | 431 | fListOutput->Add(fUSign); |
432 | fListOutput->Add(fLSign); | |
c3e32eae | 433 | fListOutput->Add(fUSmatches); |
434 | fListOutput->Add(fLSmatches); | |
4437a0d2 | 435 | fListOutput->Add(fHnsigmaITS); |
afb48e1d | 436 | fListOutput->Add(fWeightsSource); |
437 | fListOutput->Add(fIncElectronRadius); | |
438 | fListOutput->Add(fRecElectronRadius); | |
959ea9d8 | 439 | // fListOutput->Add(fUSignAngle); |
440 | // fListOutput->Add(fLSignAngle); | |
76d0b522 | 441 | |
442 | } | |
443 | ||
afb48e1d | 444 | //_____________________________________________________________________________________________ |
445 | void AliHFENonPhotonicElectron::SetWithWeights(Int_t levelBack) | |
446 | { | |
447 | // | |
448 | // Init the HFE level | |
449 | // | |
450 | if(levelBack >= 0) fLevelBack = levelBack; | |
451 | ||
452 | } | |
453 | ||
454 | //_____________________________________________________________________________________________ | |
455 | void AliHFENonPhotonicElectron::SetMCEvent(AliMCEvent *mcEvent) | |
456 | { | |
457 | // | |
458 | // Pass the mcEvent | |
459 | // | |
460 | ||
461 | fMCEvent = mcEvent; | |
462 | ||
463 | } | |
464 | ||
465 | //_____________________________________________________________________________________________ | |
466 | void AliHFENonPhotonicElectron::SetAODArrayMCInfo(TClonesArray *aodArrayMCInfo) | |
467 | { | |
468 | // | |
469 | // Pass the mcEvent info | |
470 | // | |
471 | ||
472 | fAODArrayMCInfo = aodArrayMCInfo; | |
473 | ||
474 | } | |
475 | ||
76d0b522 | 476 | //_____________________________________________________________________________________________ |
663a2523 | 477 | void AliHFENonPhotonicElectron::InitRun(const AliVEvent *inputEvent,const AliPIDResponse *pidResponse) |
76d0b522 | 478 | { |
479 | // | |
480 | // Init run | |
481 | // | |
482 | ||
483 | if(!pidResponse) | |
484 | { | |
485 | AliDebug(1, "Using default PID Response"); | |
486 | Bool_t hasmc = kFALSE; | |
487 | if(fMCEvent || fAODArrayMCInfo) hasmc=kTRUE; | |
488 | pidResponse = AliHFEtools::GetDefaultPID(hasmc, inputEvent->IsA() == AliESDEvent::Class()); | |
489 | } | |
490 | ||
491 | if(!fPIDBackground) return; | |
492 | fPIDBackground->SetPIDResponse(pidResponse); | |
493 | ||
494 | if(!fPIDBackground->IsInitialized()) | |
495 | { | |
496 | // Initialize PID with the given run number | |
497 | fPIDBackground->InitializePID(inputEvent->GetRunNumber()); | |
498 | } | |
499 | ||
500 | } | |
501 | ||
502 | //_____________________________________________________________________________________________ | |
8a9b2231 | 503 | Int_t AliHFENonPhotonicElectron::FillPoolAssociatedTracks(AliVEvent *inputEvent, Int_t binct) |
76d0b522 | 504 | { |
505 | // | |
506 | // Fill the pool of associated tracks | |
507 | // Return the number of associated tracks | |
508 | // | |
509 | ||
8a9b2231 | 510 | fnumberfound = 0; |
511 | ||
4437a0d2 | 512 | fHFEBackgroundCuts->SetRecEvent(inputEvent); |
76d0b522 | 513 | Int_t nbtracks = inputEvent->GetNumberOfTracks(); |
514 | ||
4437a0d2 | 515 | if( fArraytrack ){ |
76d0b522 | 516 | fArraytrack->~TArrayI(); |
517 | new(fArraytrack) TArrayI(nbtracks); | |
4437a0d2 | 518 | } else { |
76d0b522 | 519 | fArraytrack = new TArrayI(nbtracks); |
520 | } | |
521 | ||
522 | fCounterPoolBackground = 0; | |
523 | ||
4437a0d2 | 524 | Bool_t isSelected(kFALSE); |
525 | Bool_t isAOD = (dynamic_cast<AliAODEvent *>(inputEvent) != NULL); | |
526 | AliDebug(2, Form("isAOD: %s", isAOD ? "yes" : "no")); | |
527 | for(Int_t k = 0; k < nbtracks; k++) { | |
76d0b522 | 528 | AliVTrack *track = (AliVTrack *) inputEvent->GetTrack(k); |
529 | if(!track) continue; | |
4437a0d2 | 530 | |
531 | // | |
532 | isSelected = kFALSE; | |
533 | if(fSelectCategory1tracks && FilterCategory1Track(track, isAOD, binct)) isSelected = kTRUE; | |
534 | else if(fSelectCategory2tracks && FilterCategory2Track(track, isAOD)) isSelected = kTRUE; | |
535 | ||
536 | if(isSelected){ | |
537 | AliDebug(2,Form("fCounterPoolBackground %d, track %d",fCounterPoolBackground,k)); | |
538 | fArraytrack->AddAt(k,fCounterPoolBackground); | |
539 | fCounterPoolBackground++; | |
76d0b522 | 540 | } |
541 | } // loop tracks | |
542 | ||
8a9b2231 | 543 | //printf(Form("Associated Pool: Tracks %d, fCounterPoolBackground %d \n", nbtracks, fCounterPoolBackground)); |
76d0b522 | 544 | |
545 | return fCounterPoolBackground; | |
8a9b2231 | 546 | |
547 | } | |
548 | ||
549 | //_____________________________________________________________________________________________ | |
550 | Int_t AliHFENonPhotonicElectron::CountPoolAssociated(AliVEvent *inputEvent, Int_t binct) | |
551 | { | |
552 | // | |
553 | // Count the pool of assiocated tracks | |
554 | // | |
555 | ||
556 | ||
557 | if(fnumberfound > 0) //!count only events with an inclusive electron | |
558 | { | |
4437a0d2 | 559 | Double_t valueAssElectron[4] = { binct, -1, -1}; //Centrality Pt Source |
8a9b2231 | 560 | Int_t iTrack2 = 0; |
561 | Int_t indexmother2 = -1; | |
562 | AliVTrack *track2 = 0x0; | |
563 | ||
c3e32eae | 564 | for(Int_t ii = 0; ii < fCounterPoolBackground; ii++){ |
8a9b2231 | 565 | iTrack2 = fArraytrack->At(ii); |
566 | AliDebug(2,Form("track %d",iTrack2)); | |
567 | track2 = (AliVTrack *)inputEvent->GetTrack(iTrack2); | |
568 | ||
c3e32eae | 569 | if(!track2){ |
570 | //printf("ERROR: Could not receive track %d", iTrack2); | |
571 | continue; | |
8a9b2231 | 572 | } |
573 | ||
574 | // if MC look | |
c3e32eae | 575 | if(fMCEvent || fAODArrayMCInfo) valueAssElectron[2] = FindMother(TMath::Abs(track2->GetLabel()), indexmother2) ; |
8a9b2231 | 576 | |
577 | fkPIDRespons = fPIDBackground->GetPIDResponse(); | |
578 | ||
579 | valueAssElectron[1] = track2->Pt() ; | |
4437a0d2 | 580 | valueAssElectron[3] = track2->Eta() ; |
8a9b2231 | 581 | |
582 | fAssElectron->Fill( valueAssElectron) ; | |
583 | } | |
584 | //printf(Form("Associated Pool: fCounterPoolBackground %d \n", fCounterPoolBackground)); | |
585 | } | |
586 | return fnumberfound; | |
76d0b522 | 587 | } |
588 | ||
589 | //_____________________________________________________________________________________________ | |
afb48e1d | 590 | 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,Int_t mcQAsource) |
76d0b522 | 591 | { |
592 | // | |
593 | // Look At Non HFE | |
594 | // | |
595 | ||
596 | /*********************************************************************************** | |
597 | * * | |
598 | * iTrack1: index of the tagged electrons in AliVEvent * | |
599 | * track1: tagged electron * | |
600 | * vEvent: event * | |
601 | * weight: weight in pt if not realistic * | |
602 | * binct: centrality bin * | |
603 | * deltaphi: phi-phi event plane for v2 * | |
604 | * source: MC sources * | |
605 | * indexmother: MC index mother * | |
606 | * * | |
607 | * * | |
608 | * return -1 if nothing * | |
609 | * return 2 if opposite charge within the mass range * | |
610 | * return 4 if like charge within the mass range * | |
611 | * return 6 if opposite & like charge within the mass range * | |
612 | * * | |
613 | ***********************************************************************************/ | |
614 | ||
afb48e1d | 615 | //printf("weight %f and source %d\n",weight,source); |
616 | ||
617 | ||
76d0b522 | 618 | AliAODEvent *aodeventu = dynamic_cast<AliAODEvent*>(vEvent); |
619 | Int_t taggedphotonic = -1; | |
620 | ||
621 | AliDebug(2,Form("fCounterPoolBackground %d in LookAtNonHFE!!!",fCounterPoolBackground)); | |
622 | if(!fArraytrack) return taggedphotonic; | |
623 | AliDebug(2,Form("process track %d",iTrack1)); | |
39427568 | 624 | AliDebug(1,Form("Inclusive source is %d\n", source)); |
76d0b522 | 625 | |
8a9b2231 | 626 | fkPIDRespons = fPIDBackground->GetPIDResponse(); |
76d0b522 | 627 | |
8a9b2231 | 628 | //Set Fill-Arrays for THnSparse |
4437a0d2 | 629 | Double_t valueIncElectron[4] = { binct, track1->Pt(), source, track1->Eta()}; //Centrality Pt Source P |
630 | Double_t valueSign[9] = { deltaphi, binct, track1->Pt(), -1, source, -1, -1, track1->Eta(), -1}; //DeltaPhi Centrality Pt InvariantMass Source Angle Pt | |
afb48e1d | 631 | //Double_t valueAngle[3] = { -1, binct, source}; |
632 | Double_t valueradius[3] = { binct, track1->Pt(), 0.}; //Angle Centrality Source | |
76d0b522 | 633 | |
634 | Int_t pdg1 = CheckPdg(TMath::Abs(track1->GetLabel())); | |
afb48e1d | 635 | Double_t radius = Radius(TMath::Abs(track1->GetLabel())); |
4437a0d2 | 636 | AliKFParticle::SetField(vEvent->GetMagneticField()); |
637 | AliKFVertex primV(*(vEvent->GetPrimaryVertex())); | |
afb48e1d | 638 | valueradius[2] = radius; |
8a9b2231 | 639 | |
4437a0d2 | 640 | AliVTrack *track2(NULL); |
76d0b522 | 641 | Int_t iTrack2 = 0; |
76d0b522 | 642 | Int_t indexmother2 = -1; |
8a9b2231 | 643 | Int_t pdg2 = -100; |
644 | Int_t source2 = -1; | |
8a9b2231 | 645 | Float_t fCharge2 = 0; |
646 | ||
c3e32eae | 647 | // count number of matches with opposite/same sign track in the given mass range |
648 | Int_t countsMatchLikesign(0), | |
649 | countsMatchUnlikesign(0); | |
650 | ||
4437a0d2 | 651 | // Values to fill |
652 | Double_t angle(-1.); | |
653 | Double_t invmass(-1); | |
76d0b522 | 654 | |
8a9b2231 | 655 | Float_t fCharge1 = track1->Charge(); //Charge from track1 |
76d0b522 | 656 | |
8a9b2231 | 657 | Bool_t kUSignPhotonic = kFALSE; |
658 | Bool_t kLSignPhotonic = kFALSE; | |
76d0b522 | 659 | |
8a9b2231 | 660 | //! FILL Inclusive Electron |
afb48e1d | 661 | fWeightsSource->Fill(source,mcQAsource); |
8a9b2231 | 662 | fIncElectron->Fill(valueIncElectron,weight); |
663 | fnumberfound++; | |
afb48e1d | 664 | if(source == kElectronfromconversion) { |
665 | fIncElectronRadius->Fill(valueradius,weight); | |
666 | //printf("radius %f\n",radius); | |
667 | } | |
8a9b2231 | 668 | //printf(Form("Inclusive Pool: TrackNr. %d, fnumberfound %d \n", iTrack1, fnumberfound)); |
76d0b522 | 669 | |
c3e32eae | 670 | for(Int_t idex = 0; idex < fCounterPoolBackground; idex++){ |
76d0b522 | 671 | iTrack2 = fArraytrack->At(idex); |
672 | AliDebug(2,Form("track %d",iTrack2)); | |
673 | track2 = (AliVTrack *)vEvent->GetTrack(iTrack2); | |
674 | ||
c3e32eae | 675 | if(!track2){ |
8a9b2231 | 676 | //printf("ERROR: Could not receive track %d", iTrack2); |
76d0b522 | 677 | continue; |
678 | } | |
679 | ||
76d0b522 | 680 | fCharge2 = track2->Charge(); //Charge from track2 |
681 | ||
682 | // Reset the MC info | |
959ea9d8 | 683 | //valueAngle[2] = source; |
684 | valueSign[4] = source; | |
8a9b2231 | 685 | valueSign[6] = track2->Pt(); |
4437a0d2 | 686 | valueSign[8] = track2->Eta(); |
76d0b522 | 687 | |
688 | // track cuts and PID already done | |
689 | ||
8a9b2231 | 690 | // Checking if it is the same Track! |
691 | if(iTrack2==iTrack1) continue; | |
692 | AliDebug(2,"Different"); | |
693 | ||
76d0b522 | 694 | // if MC look |
c3e32eae | 695 | if(fMCEvent || fAODArrayMCInfo){ |
39427568 | 696 | AliDebug(2, "Checking for source"); |
76d0b522 | 697 | source2 = FindMother(TMath::Abs(track2->GetLabel()), indexmother2); |
39427568 | 698 | AliDebug(2, Form("source is %d", source2)); |
76d0b522 | 699 | pdg2 = CheckPdg(TMath::Abs(track2->GetLabel())); |
700 | ||
39427568 | 701 | if(source == kElectronfromconversion){ |
702 | AliDebug(2, Form("Electron from conversion (source %d), paired with source %d", source, source2)); | |
703 | AliDebug(2, Form("Index of the mothers: incl %d, associated %d", indexmother, indexmother2)); | |
704 | AliDebug(2, Form("PDGs: incl %d, associated %d", pdg1, pdg2)); | |
705 | } | |
706 | ||
c3e32eae | 707 | if(source2 >=0 ){ |
708 | if((indexmother2 == indexmother) && (source == source2) && ((pdg1*pdg2)<0.0)){ | |
39427568 | 709 | AliDebug(1, "Real pair"); |
c3e32eae | 710 | switch(source){ |
4437a0d2 | 711 | case kElectronfromconversion: |
712 | valueSign[4] = kElectronfromconversionboth; | |
713 | break; | |
714 | case kElectronfrompi0: | |
715 | valueSign[4] = kElectronfrompi0both; | |
716 | break; | |
717 | case kElectronfrometa: | |
718 | valueSign[4] = kElectronfrometaboth; | |
719 | break; | |
c3e32eae | 720 | }; |
721 | } | |
76d0b522 | 722 | } |
723 | } | |
724 | ||
4437a0d2 | 725 | if(fAlgorithmMA){ |
726 | // Use TLorentzVector | |
727 | if(!MakePairDCA(track1, track2, vEvent, (aodeventu != NULL), invmass, angle)) continue; | |
c3e32eae | 728 | } else { |
4437a0d2 | 729 | // Use AliKF package |
730 | if(!MakePairKF(track1, track2, primV, invmass, angle)) continue; | |
731 | } | |
76d0b522 | 732 | |
4437a0d2 | 733 | valueSign[3] = invmass; |
734 | valueSign[5] = angle; | |
76d0b522 | 735 | |
4437a0d2 | 736 | //if((fCharge1*fCharge2)>0.0) fLSignAngle->Fill(&valueAngle[0],weight); |
737 | //else fUSignAngle->Fill(&valueAngle[0],weight); | |
76d0b522 | 738 | |
4437a0d2 | 739 | if(angle > fMaxOpening3D) continue; //! Cut on Opening Angle |
740 | if(invmass > fMaxInvMass) continue; //! Cut on Invariant Mass | |
8a9b2231 | 741 | |
4437a0d2 | 742 | if((fCharge1*fCharge2)>0.0){ |
743 | if(invmass < 1.0) fLSign->Fill( valueSign, weight); | |
744 | // count like-sign background matched pairs per inclusive based on mass cut | |
745 | if(invmass < 0.14) countsMatchLikesign++; | |
39427568 | 746 | AliDebug(1, "Selected Like sign"); |
4437a0d2 | 747 | } else { |
748 | if(invmass < 1.0)fUSign->Fill( valueSign, weight); | |
749 | // count unlike-sign matched pairs per inclusive based on mass cut | |
afb48e1d | 750 | if(invmass < 0.14) { |
751 | countsMatchUnlikesign++; | |
752 | if(source == kElectronfromconversionboth) fRecElectronRadius->Fill(valueradius,weight); | |
753 | } | |
39427568 | 754 | AliDebug(1, "Selected Unike sign"); |
76d0b522 | 755 | } |
4437a0d2 | 756 | |
757 | if((fCharge1*fCharge2)>0.0) kLSignPhotonic=kTRUE; | |
758 | else kUSignPhotonic=kTRUE; | |
76d0b522 | 759 | } |
760 | ||
c3e32eae | 761 | // Fill counted |
762 | Double_t valCountsLS[3] = {binct, track1->Pt(), countsMatchLikesign}, | |
763 | valCountsUS[3] = {binct, track1->Pt(), countsMatchUnlikesign}; | |
764 | fUSmatches->Fill(valCountsUS); | |
765 | fLSmatches->Fill(valCountsLS); | |
766 | ||
8a9b2231 | 767 | if( kUSignPhotonic && kLSignPhotonic) taggedphotonic = 6; |
768 | if(!kUSignPhotonic && kLSignPhotonic) taggedphotonic = 4; | |
769 | if( kUSignPhotonic && !kLSignPhotonic) taggedphotonic = 2; | |
76d0b522 | 770 | |
771 | return taggedphotonic; | |
772 | } | |
773 | ||
774 | //_________________________________________________________________________ | |
39427568 | 775 | Int_t AliHFENonPhotonicElectron::FindMother(Int_t tr, Int_t &indexmother) const { |
76d0b522 | 776 | // |
777 | // Find the mother if MC | |
778 | // | |
779 | ||
afb48e1d | 780 | if(!fMCEvent && !fAODArrayMCInfo) return -1; |
76d0b522 | 781 | |
782 | Int_t pdg = CheckPdg(tr); | |
783 | if(TMath::Abs(pdg)!= 11) | |
784 | { | |
785 | indexmother = -1; | |
786 | return kNoElectron; | |
787 | } | |
788 | ||
789 | indexmother = IsMotherGamma(tr); | |
790 | if(indexmother > 0) return kElectronfromconversion; | |
791 | indexmother = IsMotherPi0(tr); | |
792 | if(indexmother > 0) return kElectronfrompi0; | |
793 | indexmother = IsMotherC(tr); | |
794 | if(indexmother > 0) return kElectronfromC; | |
795 | indexmother = IsMotherB(tr); | |
796 | if(indexmother > 0) return kElectronfromB; | |
797 | indexmother = IsMotherEta(tr); | |
798 | if(indexmother > 0) return kElectronfrometa; | |
799 | ||
800 | return kElectronfromother; | |
801 | } | |
802 | ||
803 | //________________________________________________________________________________________________ | |
39427568 | 804 | Int_t AliHFENonPhotonicElectron::CheckPdg(Int_t tr) const { |
76d0b522 | 805 | |
806 | // | |
807 | // Return the pdg of the particle | |
808 | // | |
809 | ||
810 | Int_t pdgcode = -1; | |
811 | if(tr < 0) return pdgcode; | |
812 | ||
39427568 | 813 | AliMCParticle *mctrackesd = NULL; AliAODMCParticle *mctrackaod = NULL; |
814 | if(fMCEvent){ | |
76d0b522 | 815 | AliVParticle *mctrack = fMCEvent->GetTrack(tr); |
39427568 | 816 | if(mctrack){ |
817 | if((mctrackesd = dynamic_cast<AliMCParticle *>(fMCEvent->GetTrack(TMath::Abs(tr))))) pdgcode = mctrackesd->PdgCode(); | |
818 | else if((mctrackaod = dynamic_cast<AliAODMCParticle *>(fMCEvent->GetTrack(TMath::Abs(tr))))) pdgcode = mctrackaod->GetPdgCode(); | |
819 | } | |
820 | } else if(fAODArrayMCInfo) { | |
821 | if(tr < fAODArrayMCInfo->GetEntriesFast()){ | |
822 | mctrackaod = (AliAODMCParticle *) fAODArrayMCInfo->At(tr); | |
823 | if(mctrackaod) return pdgcode = mctrackaod->GetPdgCode(); | |
824 | } | |
76d0b522 | 825 | } |
826 | ||
827 | return pdgcode; | |
828 | } | |
829 | ||
afb48e1d | 830 | //________________________________________________________________________________________________ |
831 | Double_t AliHFENonPhotonicElectron::Radius(Int_t tr) const { | |
832 | ||
833 | // | |
834 | // Return the production vertex radius | |
835 | // | |
836 | ||
837 | Double_t radius = 0.; | |
838 | if(tr < 0) return radius; | |
839 | ||
840 | AliMCParticle *mctrackesd = NULL; AliAODMCParticle *mctrackaod = NULL; | |
841 | if(fMCEvent){ | |
842 | AliVParticle *mctrack = fMCEvent->GetTrack(tr); | |
843 | if(mctrack){ | |
844 | if((mctrackesd = dynamic_cast<AliMCParticle *>(fMCEvent->GetTrack(TMath::Abs(tr))))) radius = TMath::Sqrt(mctrackesd->Xv()*mctrackesd->Xv()+mctrackesd->Yv()*mctrackesd->Yv()); | |
845 | else if((mctrackaod = dynamic_cast<AliAODMCParticle *>(fMCEvent->GetTrack(TMath::Abs(tr))))) radius = TMath::Sqrt(mctrackaod->Xv()*mctrackaod->Xv()+mctrackaod->Yv()*mctrackaod->Yv()); | |
846 | } | |
847 | } else if(fAODArrayMCInfo) { | |
848 | if(tr < fAODArrayMCInfo->GetEntriesFast()){ | |
849 | mctrackaod = (AliAODMCParticle *) fAODArrayMCInfo->At(tr); | |
850 | if(mctrackaod) return radius = TMath::Sqrt(mctrackaod->Xv()*mctrackaod->Xv()+mctrackaod->Yv()*mctrackaod->Yv()); | |
851 | } | |
852 | } | |
853 | ||
854 | return radius; | |
855 | } | |
856 | ||
76d0b522 | 857 | //_______________________________________________________________________________________________ |
39427568 | 858 | Int_t AliHFENonPhotonicElectron::GetMotherPDG(Int_t tr, Int_t &motherIndex) const { |
76d0b522 | 859 | // |
39427568 | 860 | // Returns the mother PDG of the track (return value) and the index of the |
861 | // mother track | |
76d0b522 | 862 | // |
76d0b522 | 863 | if(tr < 0) return -1; |
864 | ||
39427568 | 865 | Int_t pdg(-1); |
866 | AliMCParticle *mctrackesd(NULL); AliAODMCParticle *mctrackaod(NULL); | |
867 | ||
868 | motherIndex = -1; | |
869 | if(fMCEvent) { | |
870 | AliDebug(2, "Using MC Event"); | |
76d0b522 | 871 | AliVParticle *mctrack = fMCEvent->GetTrack(tr); |
39427568 | 872 | if(mctrack){ |
873 | if((mctrackesd = dynamic_cast<AliMCParticle *>(fMCEvent->GetTrack(TMath::Abs(tr))))){ | |
874 | // Case ESD | |
875 | TParticle *particle = mctrackesd->Particle(); | |
876 | ||
877 | // Take mother | |
878 | if(particle){ | |
879 | motherIndex = particle->GetFirstMother(); | |
880 | if(motherIndex >= 0){ | |
881 | AliMCParticle *mothertrack = NULL; | |
882 | if((mothertrack = dynamic_cast<AliMCParticle *>(fMCEvent->GetTrack(TMath::Abs(motherIndex))))){ | |
883 | TParticle * mother = mothertrack->Particle(); | |
884 | pdg = mother->GetPdgCode(); | |
885 | } | |
886 | } | |
887 | } | |
888 | } else if((mctrackaod = dynamic_cast<AliAODMCParticle *>(fMCEvent->GetTrack(TMath::Abs(tr))))){ | |
889 | // Case AOD | |
890 | // Take mother | |
891 | motherIndex = mctrackaod->GetMother(); | |
892 | if(motherIndex >= 0){ | |
893 | AliAODMCParticle *mothertrack = dynamic_cast<AliAODMCParticle *>(fMCEvent->GetTrack(motherIndex)); | |
894 | if(mothertrack) pdg = mothertrack->GetPdgCode(); | |
895 | } | |
896 | } | |
897 | } | |
898 | } else if(fAODArrayMCInfo) { | |
899 | AliDebug(2, "Using AOD list"); | |
900 | if(tr < fAODArrayMCInfo->GetEntriesFast()){ | |
901 | mctrackaod = (AliAODMCParticle *) fAODArrayMCInfo->At(tr); | |
902 | ||
903 | // Take mother | |
904 | if(mctrackaod){ | |
905 | motherIndex = mctrackaod->GetMother(); | |
906 | if(motherIndex >= 0 && motherIndex < fAODArrayMCInfo->GetEntriesFast()){ | |
907 | AliAODMCParticle *mothertrack = dynamic_cast<AliAODMCParticle *>(fAODArrayMCInfo->At(TMath::Abs(motherIndex))); | |
908 | if(mothertrack) pdg = mothertrack->GetPdgCode(); | |
909 | } | |
910 | } | |
76d0b522 | 911 | } |
76d0b522 | 912 | } |
39427568 | 913 | return pdg; |
914 | } | |
76d0b522 | 915 | |
39427568 | 916 | //_______________________________________________________________________________________________ |
917 | Int_t AliHFENonPhotonicElectron::IsMotherGamma(Int_t tr) const { | |
918 | ||
919 | // | |
920 | // Return the lab of gamma mother or -1 if not gamma | |
921 | // | |
922 | ||
923 | Int_t imother(-1), pdg(-1); | |
924 | pdg = GetMotherPDG(tr, imother); | |
925 | ||
926 | // Check gamma | |
927 | if(imother >= 0){ | |
928 | if(TMath::Abs(pdg) == 22){ | |
929 | AliDebug(2, "Gamma Mother selected"); | |
930 | return imother; | |
931 | } | |
932 | if(TMath::Abs(pdg) == 11){ | |
933 | AliDebug(2, "Mother is electron - look further in hierarchy"); | |
76d0b522 | 934 | return IsMotherGamma(imother); |
935 | } | |
39427568 | 936 | AliDebug(2, "Nothing selected"); |
76d0b522 | 937 | return -1; |
938 | } | |
39427568 | 939 | AliDebug(2, "Not mother"); |
76d0b522 | 940 | return -1; |
941 | } | |
942 | ||
943 | //________________________________________________________________________________________________ | |
39427568 | 944 | Int_t AliHFENonPhotonicElectron::IsMotherPi0(Int_t tr) const { |
76d0b522 | 945 | |
946 | // | |
947 | // Return the lab of pi0 mother or -1 if not pi0 | |
948 | // | |
949 | ||
39427568 | 950 | Int_t imother(-1), pdg(-1); |
951 | pdg = GetMotherPDG(tr, imother); | |
76d0b522 | 952 | |
39427568 | 953 | // Check pi0 |
954 | if(imother >= 0){ | |
955 | if(TMath::Abs(pdg) == 111){ | |
956 | AliDebug(2, "Pi0 Mother selected"); | |
957 | return imother; | |
76d0b522 | 958 | } |
39427568 | 959 | if(TMath::Abs(pdg) == 11){ |
960 | AliDebug(2, "Mother is electron - look further in hierarchy"); | |
76d0b522 | 961 | return IsMotherPi0(imother); |
962 | } | |
39427568 | 963 | AliDebug(2, "Nothing selected"); |
76d0b522 | 964 | return -1; |
965 | } | |
39427568 | 966 | AliDebug(2, "Not mother"); |
76d0b522 | 967 | return -1; |
968 | } | |
969 | //________________________________________________________________________________________________ | |
39427568 | 970 | Int_t AliHFENonPhotonicElectron::IsMotherC(Int_t tr) const { |
76d0b522 | 971 | |
972 | // | |
973 | // Return the lab of signal mother or -1 if not from C | |
974 | // | |
975 | ||
39427568 | 976 | Int_t imother(-1), pdg(-1); |
977 | pdg = GetMotherPDG(tr, imother); | |
76d0b522 | 978 | |
979 | // Check C | |
39427568 | 980 | if(imother >= 0){ |
981 | 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)){ | |
982 | AliDebug(2, "Charm Mother selected"); | |
983 | return imother; | |
76d0b522 | 984 | } |
39427568 | 985 | if(TMath::Abs(pdg) == 11){ |
986 | AliDebug(2, "Mother is electron - look further in hierarchy"); | |
76d0b522 | 987 | return IsMotherC(imother); |
988 | } | |
39427568 | 989 | AliDebug(2, "Nothing selected"); |
76d0b522 | 990 | return -1; |
991 | } | |
39427568 | 992 | AliDebug(2, "Not mother"); |
76d0b522 | 993 | return -1; |
994 | } | |
39427568 | 995 | |
76d0b522 | 996 | //_______________________________________________________________________________________________ |
39427568 | 997 | Int_t AliHFENonPhotonicElectron::IsMotherB(Int_t tr) const { |
76d0b522 | 998 | |
999 | // | |
1000 | // Return the lab of signal mother or -1 if not B | |
1001 | // | |
1002 | ||
39427568 | 1003 | Int_t imother(-1), pdg(-1); |
1004 | pdg = GetMotherPDG(tr, imother); | |
76d0b522 | 1005 | |
39427568 | 1006 | // Check B |
1007 | if(imother >= 0){ | |
1008 | 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)){ | |
1009 | AliDebug(2, "Bottom Mother selected"); | |
1010 | return imother; | |
76d0b522 | 1011 | } |
39427568 | 1012 | if(TMath::Abs(pdg) == 11){ |
76d0b522 | 1013 | return IsMotherB(imother); |
39427568 | 1014 | AliDebug(2, "Mother is electron - look further in hierarchy"); |
76d0b522 | 1015 | } |
39427568 | 1016 | AliDebug(2, "Nothing selected"); |
76d0b522 | 1017 | return -1; |
1018 | } | |
39427568 | 1019 | AliDebug(2, "Not mother"); |
76d0b522 | 1020 | return -1; |
1021 | } | |
1022 | ||
1023 | //_______________________________________________________________________________________________ | |
39427568 | 1024 | Int_t AliHFENonPhotonicElectron::IsMotherEta(Int_t tr) const { |
76d0b522 | 1025 | |
1026 | // | |
1027 | // Return the lab of eta mother or -1 if not eta | |
1028 | // | |
1029 | ||
39427568 | 1030 | Int_t imother(-1), pdg(-1); |
1031 | pdg = GetMotherPDG(tr, imother); | |
76d0b522 | 1032 | |
39427568 | 1033 | // Check eta |
1034 | if(imother >= 0){ | |
1035 | if(TMath::Abs(pdg) == 221){ | |
1036 | AliDebug(2, "Eta mother selected"); | |
1037 | return imother; | |
76d0b522 | 1038 | } |
39427568 | 1039 | if(TMath::Abs(pdg) == 11){ |
1040 | AliDebug(2, "Mother is electron - look further in hierarchy"); | |
76d0b522 | 1041 | return IsMotherEta(imother); |
1042 | } | |
39427568 | 1043 | AliDebug(2, "Nothing selected"); |
76d0b522 | 1044 | return -1; |
1045 | } | |
39427568 | 1046 | AliDebug(2, "Not mother"); |
76d0b522 | 1047 | return -1; |
1048 | } | |
4437a0d2 | 1049 | |
1050 | //_______________________________________________________________________________________________ | |
1051 | Bool_t AliHFENonPhotonicElectron::MakePairDCA(const AliVTrack *inclusive, const AliVTrack *associated, AliVEvent *vEvent, Bool_t isAOD, Double_t &invMass, Double_t &angle) const { | |
1052 | // | |
1053 | // Make Pairs of electrons using TLorentzVector | |
1054 | // | |
1055 | Double_t eMass = TDatabasePDG::Instance()->GetParticle(11)->Mass(); //Electron mass in GeV | |
1056 | Double_t bfield = vEvent->GetMagneticField(); | |
1057 | ||
1058 | AliESDtrack *esdtrack1, *esdtrack2; | |
1059 | if(isAOD){ | |
1060 | // call copy constructor for AODs | |
1061 | esdtrack1 = new AliESDtrack(inclusive); | |
1062 | esdtrack2 = new AliESDtrack(associated); | |
1063 | } else { | |
1064 | // call copy constructor for ESDs | |
500a066a | 1065 | esdtrack1 = new AliESDtrack(*(static_cast<const AliESDtrack *>(inclusive))); |
1066 | esdtrack2 = new AliESDtrack(*(static_cast<const AliESDtrack *>(associated))); | |
4437a0d2 | 1067 | } |
1068 | if((!esdtrack1) || (!esdtrack2)){ | |
1069 | delete esdtrack1; | |
1070 | delete esdtrack2; | |
1071 | return kFALSE; | |
1072 | } | |
1073 | ||
1074 | Double_t xt1 = 0; //radial position track 1 at the DCA point | |
1075 | Double_t xt2 = 0; //radial position track 2 at the DCA point | |
1076 | Double_t dca = esdtrack2->GetDCA(esdtrack1,bfield,xt2,xt1); //DCA track1-track2 | |
1077 | if(dca > fMaxDCA){ | |
1078 | // Apply DCA cut already in the function | |
1079 | delete esdtrack1; | |
1080 | delete esdtrack2; | |
1081 | return kFALSE; | |
1082 | } | |
1083 | ||
1084 | //Momenta of the track extrapolated to DCA track-track | |
1085 | Double_t p1[3] = {0,0,0}; | |
1086 | Double_t p2[3] = {0,0,0}; | |
1087 | Bool_t kHasdcaT1 = esdtrack1->GetPxPyPzAt(xt1,bfield,p1); //Track1 | |
1088 | Bool_t kHasdcaT2 = esdtrack2->GetPxPyPzAt(xt2,bfield,p2); //Track2 | |
1089 | if(!kHasdcaT1 || !kHasdcaT2) AliWarning("It could be a problem in the extrapolation"); | |
1090 | ||
1091 | TLorentzVector electron1, electron2, mother; | |
1092 | electron1.SetXYZM(p1[0], p1[1], p1[2], eMass); | |
1093 | electron2.SetXYZM(p2[0], p2[1], p2[2], eMass); | |
1094 | ||
1095 | mother = electron1 + electron2; | |
1096 | invMass = mother.M(); | |
1097 | angle = TVector2::Phi_0_2pi(electron1.Angle(electron2.Vect())); | |
1098 | ||
1099 | delete esdtrack1; | |
1100 | delete esdtrack2; | |
1101 | return kTRUE; | |
1102 | } | |
1103 | ||
1104 | //_______________________________________________________________________________________________ | |
1105 | Bool_t AliHFENonPhotonicElectron::MakePairKF(const AliVTrack *inclusive, const AliVTrack *associated, AliKFVertex &primV, Double_t &invMass, Double_t &angle) const { | |
1106 | // | |
1107 | // Make pairs of electrons using the AliKF package | |
1108 | // | |
1109 | ||
1110 | //printf("AOD HFE non photonic\n"); | |
1111 | ||
1112 | Int_t fPDGtrack1 = 11; | |
1113 | if(inclusive->Charge()>0) fPDGtrack1 = -11; | |
1114 | Int_t fPDGtrack2 = 11; | |
1115 | if(associated->Charge()>0) fPDGtrack2 = -11; | |
1116 | ||
1117 | AliKFParticle ktrack1(*inclusive, fPDGtrack1); | |
1118 | AliKFParticle ktrack2(*associated, fPDGtrack2); | |
1119 | AliKFParticle recoGamma(ktrack1,ktrack2); | |
1120 | ||
1121 | if(recoGamma.GetNDF()<1) return kFALSE; //! Cut on Reconstruction | |
1122 | ||
1123 | Double_t chi2OverNDF = recoGamma.GetChi2()/recoGamma.GetNDF(); | |
1124 | if(TMath::Sqrt(TMath::Abs(chi2OverNDF))>fChi2OverNDFCut) return kFALSE; | |
1125 | ||
1126 | if(fSetMassConstraint){ | |
1127 | primV += recoGamma; | |
1128 | primV -= ktrack1; | |
1129 | primV -= ktrack2; | |
1130 | recoGamma.SetProductionVertex(primV); | |
1131 | recoGamma.SetMassConstraint(0,0.0001); | |
1132 | } | |
1133 | ||
1134 | Double_t width(0.); | |
1135 | recoGamma.GetMass(invMass,width); | |
1136 | angle = ktrack1.GetAngle(ktrack2); | |
1137 | return kTRUE; | |
1138 | } | |
1139 | ||
1140 | //_______________________________________________________________________________________________ | |
1141 | Bool_t AliHFENonPhotonicElectron::FilterCategory1Track(const AliVTrack * const track, Bool_t isAOD, Int_t binct){ | |
1142 | // | |
1143 | // Selection of good associated tracks for the pool | |
1144 | // selection is done using strong cuts | |
1145 | // Tracking in the TPC and the ITS is a minimal requirement | |
1146 | // | |
1147 | Bool_t survivedbackground = kTRUE; | |
1148 | ||
1149 | if(!fHFEBackgroundCuts->CheckParticleCuts(AliHFEcuts::kStepRecKineITSTPC + AliHFEcuts::kNcutStepsMCTrack, (TObject *) track)) survivedbackground = kFALSE; | |
1150 | AliDebug(3, Form("First cut: %s\n", survivedbackground == kTRUE ? "yes" : "no")); | |
1151 | if(!fHFEBackgroundCuts->CheckParticleCuts(AliHFEcuts::kStepRecPrim + AliHFEcuts::kNcutStepsMCTrack, (TObject *) track)) survivedbackground = kFALSE; | |
1152 | AliDebug(3, Form("Second cut: %s\n", survivedbackground == kTRUE ? "yes" : "no")); | |
1153 | ||
1154 | if(survivedbackground){ | |
1155 | // PID track cuts | |
1156 | AliHFEpidObject hfetrack2; | |
1157 | ||
1158 | if(!isAOD) hfetrack2.SetAnalysisType(AliHFEpidObject::kESDanalysis); | |
1159 | else hfetrack2.SetAnalysisType(AliHFEpidObject::kAODanalysis); | |
1160 | ||
1161 | hfetrack2.SetRecTrack(track); | |
1162 | if(binct>-1){ | |
1163 | hfetrack2.SetCentrality((Int_t)binct); | |
1164 | AliDebug(3,Form("centrality %d and %d",binct,hfetrack2.GetCentrality())); | |
1165 | hfetrack2.SetPbPb(); | |
1166 | } | |
1167 | ||
1168 | if(fPIDBackground->IsSelected(&hfetrack2,0x0,"recTrackCont",fPIDBackgroundQA)){ | |
1169 | survivedbackground = kTRUE; | |
1170 | } else survivedbackground = kFALSE; | |
1171 | } | |
1172 | AliDebug(3, Form("PID: %s\n", survivedbackground == kTRUE ? "yes" : "no")); | |
1173 | return survivedbackground; | |
1174 | } | |
1175 | ||
1176 | //_______________________________________________________________________________________________ | |
1177 | Bool_t AliHFENonPhotonicElectron::FilterCategory2Track(const AliVTrack * const track, Bool_t isAOD){ | |
1178 | // | |
1179 | // Selection of category 2 tracks: These tracks are exclusively low pt tracks below | |
1180 | // 300 MeV/c which have at least 2 hits in the 4 outer ITS layers and are identified as | |
1181 | // electron candidates by the ITS | |
1182 | // | |
1183 | if(TMath::Abs(track->Pt()) > 0.3) return kFALSE; | |
afb48e1d | 1184 | if(TMath::Abs(track->Pt()) < 0.1) return kFALSE; |
4437a0d2 | 1185 | Int_t nclustersITS(0), nclustersOuter(0); |
1186 | if(isAOD){ | |
500a066a | 1187 | const AliAODTrack *aodtrack = static_cast<const AliAODTrack *>(track); |
39427568 | 1188 | if(!(aodtrack->TestFilterBit(AliAODTrack::kTrkGlobalNoDCA) || aodtrack->TestFilterBit(AliAODTrack::kTrkITSsa))) return kFALSE; |
afb48e1d | 1189 | if(!aodtrack->IsOn(AliAODTrack::kITSrefit)) return kFALSE; |
4437a0d2 | 1190 | nclustersITS = aodtrack->GetITSNcls(); |
1191 | for(int ily = 2; ily < 5; ily++) | |
1192 | if(aodtrack->HasPointOnITSLayer(ily)) nclustersOuter++; | |
1193 | } else { | |
500a066a | 1194 | const AliESDtrack *esdtrack = static_cast<const AliESDtrack *>(track); |
4437a0d2 | 1195 | if(esdtrack->GetStatus() & AliESDtrack::kITSpureSA) return kFALSE; |
afb48e1d | 1196 | if(esdtrack->GetStatus() & AliESDtrack::kTPCin) return kFALSE; |
7d4e0c80 | 1197 | if(!(esdtrack->GetStatus() & AliESDtrack::kITSrefit)) return kFALSE; |
4437a0d2 | 1198 | nclustersITS = esdtrack->GetITSclusters(NULL); |
1199 | for(int ily = 2; ily < 5; ily++) | |
1200 | if(esdtrack->HasPointOnITSLayer(ily)) nclustersOuter++; | |
1201 | } | |
1202 | if(nclustersITS < 4) return kFALSE; | |
1203 | if(nclustersOuter < 3) return kFALSE; | |
1204 | ||
1205 | // Do ITS PID | |
1206 | Double_t nsigmaITS = fPIDBackground->GetPIDResponse()->NumberOfSigmasITS(track, AliPID::kElectron); | |
1207 | fHnsigmaITS->Fill(track->Pt(), nsigmaITS); | |
bbeea05b | 1208 | if(TMath::Abs(nsigmaITS - fITSmeanShift) > 3.) return kFALSE; |
4437a0d2 | 1209 | // if global track, we apply also TPC PID |
1210 | return kTRUE; | |
1211 | } |