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1c5acb87 | 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 | /* $Id: $ */ | |
16 | ||
17 | //_________________________________________________________________________ | |
18 | // Class for the analysis of particle - hadron correlations | |
19 | // Particle (for example direct gamma) must be found in a previous analysis | |
20 | //-- Author: Gustavo Conesa (LNF-INFN) | |
dd4871cd | 21 | |
22 | // Modified by Yaxian Mao: | |
23 | // 1. add the UE subtraction for corrlation study | |
24 | // 2. change the correlation variable | |
1c5acb87 | 25 | ////////////////////////////////////////////////////////////////////////////// |
26 | ||
27 | ||
28 | // --- ROOT system --- | |
29 | #include "TH2F.h" | |
477d6cee | 30 | #include "TClonesArray.h" |
9415d854 | 31 | #include "TClass.h" |
dd4871cd | 32 | #include "TMath.h" |
1c5acb87 | 33 | |
34 | //---- ANALYSIS system ---- | |
1c5acb87 | 35 | #include "AliNeutralMesonSelection.h" |
36 | #include "AliAnaParticleHadronCorrelation.h" | |
37 | #include "AliCaloTrackReader.h" | |
38 | #include "AliCaloPID.h" | |
39 | #include "AliAODPWG4ParticleCorrelation.h" | |
ff45398a | 40 | #include "AliFiducialCut.h" |
477d6cee | 41 | #include "AliAODTrack.h" |
42 | #include "AliAODCaloCluster.h" | |
9415d854 | 43 | #include "AliMCAnalysisUtils.h" |
44 | #include "TParticle.h" | |
45 | #include "AliStack.h" | |
591cc579 | 46 | #include "AliAODMCParticle.h" |
1c5acb87 | 47 | |
48 | ClassImp(AliAnaParticleHadronCorrelation) | |
49 | ||
50 | ||
51 | //____________________________________________________________________________ | |
dde5a268 | 52 | AliAnaParticleHadronCorrelation::AliAnaParticleHadronCorrelation(): |
1c5acb87 | 53 | AliAnaPartCorrBaseClass(), |
dde5a268 | 54 | fDeltaPhiMaxCut(0.), fDeltaPhiMinCut(0.), fSelectIsolated(0), |
55 | fMakeSeveralUE(0), fUeDeltaPhiMaxCut(0.), fUeDeltaPhiMinCut(0.), | |
477d6cee | 56 | fhPhiCharged(0), fhPhiNeutral(0), fhEtaCharged(0), fhEtaNeutral(0), |
1c5acb87 | 57 | fhDeltaPhiCharged(0), fhDeltaPhiNeutral(0), |
58 | fhDeltaEtaCharged(0), fhDeltaEtaNeutral(0), | |
123fc3bd | 59 | fhDeltaPhiChargedPt(0), fhDeltaPhiNeutralPt(0), |
60 | fhDeltaPhiUeChargedPt(0), fhDeltaPhiUeNeutralPt(0), | |
dde5a268 | 61 | fhPtImbalanceNeutral(0), fhPtImbalanceCharged(0), |
123fc3bd | 62 | fhPtImbalanceUeCharged(0),fhPtImbalanceUeNeutral(0), |
dd4871cd | 63 | fhPtHbpCharged(0), fhPtHbpUeCharged(0), |
64 | fhPtHbpNeutral(0), fhPtHbpUeNeutral(0), | |
123fc3bd | 65 | fhDeltaPhiUeLeftCharged(0),fhDeltaPhiUeRightCharged(0), |
66 | fhDeltaPhiUeLeftNeutral(0),fhDeltaPhiUeRightNeutral(0), | |
67 | fhPtImbalanceUeLeftCharged(0),fhPtImbalanceUeRightCharged(0), | |
dd4871cd | 68 | fhPtImbalanceUeLeftNeutral(0),fhPtImbalanceUeRightNeutral(0), |
69 | fhPtHbpUeLeftCharged(0),fhPtHbpUeRightCharged(0), | |
70 | fhPtHbpUeLeftNeutral(0),fhPtHbpUeRightNeutral(0) | |
1c5acb87 | 71 | { |
72 | //Default Ctor | |
477d6cee | 73 | |
1c5acb87 | 74 | //Initialize parameters |
75 | InitParameters(); | |
76 | } | |
77 | ||
78 | //____________________________________________________________________________ | |
dde5a268 | 79 | AliAnaParticleHadronCorrelation::AliAnaParticleHadronCorrelation(const AliAnaParticleHadronCorrelation & g): |
1c5acb87 | 80 | AliAnaPartCorrBaseClass(g), |
81 | fDeltaPhiMaxCut(g.fDeltaPhiMaxCut), fDeltaPhiMinCut(g.fDeltaPhiMinCut), | |
6639984f | 82 | fSelectIsolated(g.fSelectIsolated), |
dde5a268 | 83 | fMakeSeveralUE(g.fMakeSeveralUE), fUeDeltaPhiMaxCut(g.fUeDeltaPhiMaxCut), |
84 | fUeDeltaPhiMinCut(g.fUeDeltaPhiMinCut), | |
1c5acb87 | 85 | fhPhiCharged(g.fhPhiCharged), fhPhiNeutral(g.fhPhiNeutral), |
86 | fhEtaCharged(g.fhEtaCharged), fhEtaNeutral(g.fhEtaNeutral), | |
87 | fhDeltaPhiCharged(g.fhDeltaPhiCharged), | |
88 | fhDeltaPhiNeutral(g.fhDeltaPhiNeutral), | |
89 | fhDeltaEtaCharged(g.fhDeltaEtaCharged), | |
90 | fhDeltaEtaNeutral(g.fhDeltaEtaNeutral), | |
dde5a268 | 91 | fhDeltaPhiChargedPt(g.fhDeltaPhiChargedPt), |
1c5acb87 | 92 | fhDeltaPhiNeutralPt(g.fhDeltaPhiNeutralPt), |
dde5a268 | 93 | fhDeltaPhiUeChargedPt(g.fhDeltaPhiUeChargedPt), |
123fc3bd | 94 | fhDeltaPhiUeNeutralPt(g.fhDeltaPhiUeNeutralPt), |
1c5acb87 | 95 | fhPtImbalanceNeutral(g.fhPtImbalanceNeutral), |
dde5a268 | 96 | fhPtImbalanceCharged(g.fhPtImbalanceCharged), |
97 | fhPtImbalanceUeCharged(g.fhPtImbalanceUeCharged), | |
123fc3bd | 98 | fhPtImbalanceUeNeutral(g.fhPtImbalanceUeNeutral), |
dd4871cd | 99 | fhPtHbpCharged(g.fhPtHbpCharged), |
100 | fhPtHbpUeCharged(g.fhPtHbpUeCharged), | |
101 | fhPtHbpNeutral(g.fhPtHbpNeutral), | |
102 | fhPtHbpUeNeutral(g.fhPtHbpUeNeutral), | |
123fc3bd | 103 | fhDeltaPhiUeLeftCharged(g.fhDeltaPhiUeLeftCharged), |
104 | fhDeltaPhiUeRightCharged(g.fhDeltaPhiUeRightCharged), | |
105 | fhDeltaPhiUeLeftNeutral(g.fhDeltaPhiUeLeftNeutral), | |
106 | fhDeltaPhiUeRightNeutral(g.fhDeltaPhiUeRightNeutral), | |
dde5a268 | 107 | fhPtImbalanceUeLeftCharged(g.fhPtImbalanceUeLeftCharged), |
123fc3bd | 108 | fhPtImbalanceUeRightCharged(g.fhPtImbalanceUeRightCharged), |
109 | fhPtImbalanceUeLeftNeutral(g.fhPtImbalanceUeLeftNeutral), | |
dd4871cd | 110 | fhPtImbalanceUeRightNeutral(g.fhPtImbalanceUeRightNeutral), |
111 | fhPtHbpUeLeftCharged(g.fhPtHbpUeLeftCharged), | |
112 | fhPtHbpUeRightCharged(g.fhPtHbpUeRightCharged), | |
113 | fhPtHbpUeLeftNeutral(g.fhPtHbpUeLeftNeutral), | |
114 | fhPtHbpUeRightNeutral(g.fhPtHbpUeRightNeutral) | |
1c5acb87 | 115 | { |
116 | // cpy ctor | |
477d6cee | 117 | |
1c5acb87 | 118 | } |
119 | ||
120 | //_________________________________________________________________________ | |
121 | AliAnaParticleHadronCorrelation & AliAnaParticleHadronCorrelation::operator = (const AliAnaParticleHadronCorrelation & source) | |
122 | { | |
123 | // assignment operator | |
477d6cee | 124 | |
1c5acb87 | 125 | if(this == &source)return *this; |
126 | ((AliAnaPartCorrBaseClass *)this)->operator=(source); | |
127 | ||
128 | fDeltaPhiMaxCut = source.fDeltaPhiMaxCut ; | |
129 | fDeltaPhiMinCut = source.fDeltaPhiMinCut ; | |
6639984f | 130 | fSelectIsolated = source.fSelectIsolated ; |
dde5a268 | 131 | fMakeSeveralUE = source.fMakeSeveralUE ; |
132 | fUeDeltaPhiMaxCut = source.fUeDeltaPhiMaxCut ; | |
133 | fUeDeltaPhiMinCut = source.fUeDeltaPhiMinCut ; | |
1c5acb87 | 134 | fhPhiCharged = source.fhPhiCharged ; fhPhiNeutral = source.fhPhiNeutral ; |
135 | fhEtaCharged = source.fhEtaCharged ; fhEtaNeutral = source.fhEtaNeutral ; | |
136 | fhDeltaPhiCharged = source.fhDeltaPhiCharged ; | |
137 | fhDeltaPhiNeutral = source.fhDeltaPhiNeutral ; | |
1c5acb87 | 138 | fhDeltaEtaCharged = source.fhDeltaEtaCharged ; |
139 | fhDeltaEtaNeutral = source.fhDeltaEtaNeutral ; | |
140 | fhDeltaPhiChargedPt = source.fhDeltaPhiChargedPt ; | |
dde5a268 | 141 | fhDeltaPhiNeutralPt = source.fhDeltaPhiNeutralPt ; |
142 | fhDeltaPhiUeChargedPt = source.fhDeltaPhiUeChargedPt ; | |
123fc3bd | 143 | fhDeltaPhiUeNeutralPt = source.fhDeltaPhiUeNeutralPt ; |
1c5acb87 | 144 | fhPtImbalanceNeutral = source.fhPtImbalanceNeutral ; |
145 | fhPtImbalanceCharged = source.fhPtImbalanceCharged ; | |
dd4871cd | 146 | fhPtImbalanceUeCharged = source.fhPtImbalanceUeCharged ; |
123fc3bd | 147 | fhPtImbalanceUeNeutral = source.fhPtImbalanceUeNeutral ; |
dd4871cd | 148 | fhPtHbpCharged = source.fhPtHbpCharged ; |
149 | fhPtHbpUeCharged = source.fhPtHbpUeCharged; | |
150 | fhPtHbpNeutral = source.fhPtHbpNeutral ; | |
151 | fhPtHbpUeNeutral = source.fhPtHbpUeNeutral; | |
123fc3bd | 152 | fhDeltaPhiUeLeftCharged = source.fhDeltaPhiUeLeftCharged ; |
153 | fhDeltaPhiUeRightCharged = source.fhDeltaPhiUeRightCharged ; | |
154 | fhDeltaPhiUeLeftNeutral = source.fhDeltaPhiUeLeftNeutral ; | |
155 | fhDeltaPhiUeRightNeutral = source.fhDeltaPhiUeRightNeutral ; | |
dde5a268 | 156 | fhPtImbalanceUeLeftCharged = source.fhPtImbalanceUeLeftCharged ; |
157 | fhPtImbalanceUeRightCharged = source.fhPtImbalanceUeRightCharged ; | |
123fc3bd | 158 | fhPtImbalanceUeLeftNeutral = source.fhPtImbalanceUeLeftNeutral ; |
159 | fhPtImbalanceUeRightNeutral = source.fhPtImbalanceUeRightNeutral ; | |
dd4871cd | 160 | fhPtHbpUeLeftCharged = source.fhPtHbpUeLeftCharged ; |
161 | fhPtHbpUeRightCharged = source.fhPtHbpUeRightCharged ; | |
162 | fhPtHbpUeLeftNeutral = source.fhPtHbpUeLeftNeutral ; | |
163 | fhPtHbpUeRightNeutral = source.fhPtHbpUeRightNeutral ; | |
164 | ||
1c5acb87 | 165 | return *this; |
166 | ||
167 | } | |
168 | ||
169 | //________________________________________________________________________ | |
170 | TList * AliAnaParticleHadronCorrelation::GetCreateOutputObjects() | |
171 | { | |
477d6cee | 172 | |
173 | // Create histograms to be saved in output file and | |
174 | // store them in fOutputContainer | |
175 | TList * outputContainer = new TList() ; | |
176 | outputContainer->SetName("CorrelationHistos") ; | |
177 | ||
178 | Int_t nptbins = GetHistoNPtBins(); | |
179 | Int_t nphibins = GetHistoNPhiBins(); | |
180 | Int_t netabins = GetHistoNEtaBins(); | |
181 | Float_t ptmax = GetHistoPtMax(); | |
182 | Float_t phimax = GetHistoPhiMax(); | |
183 | Float_t etamax = GetHistoEtaMax(); | |
184 | Float_t ptmin = GetHistoPtMin(); | |
185 | Float_t phimin = GetHistoPhiMin(); | |
186 | Float_t etamin = GetHistoEtaMin(); | |
187 | ||
188 | //Correlation with charged hadrons | |
189 | if(GetReader()->IsCTSSwitchedOn()) { | |
190 | fhPhiCharged = new TH2F | |
dd4871cd | 191 | ("PhiCharged","#phi_{h^{#pm}} vs p_{T #pm}", |
477d6cee | 192 | nptbins,ptmin,ptmax,nphibins,phimin,phimax); |
193 | fhPhiCharged->SetYTitle("#phi_{h^{#pm}} (rad)"); | |
dd4871cd | 194 | fhPhiCharged->SetXTitle("p_{T #pm} (GeV/c)"); |
477d6cee | 195 | |
196 | fhEtaCharged = new TH2F | |
dd4871cd | 197 | ("EtaCharged","#eta_{h^{#pm}} vs p_{T #pm}", |
477d6cee | 198 | nptbins,ptmin,ptmax,netabins,etamin,etamax); |
199 | fhEtaCharged->SetYTitle("#eta_{h^{#pm}} (rad)"); | |
dd4871cd | 200 | fhEtaCharged->SetXTitle("p_{T #pm} (GeV/c)"); |
477d6cee | 201 | |
202 | fhDeltaPhiCharged = new TH2F | |
203 | ("DeltaPhiCharged","#phi_{trigger} - #phi_{h^{#pm}} vs p_{T trigger}", | |
dde5a268 | 204 | nptbins,ptmin,ptmax,700,-2.,5.); |
477d6cee | 205 | fhDeltaPhiCharged->SetYTitle("#Delta #phi"); |
206 | fhDeltaPhiCharged->SetXTitle("p_{T trigger} (GeV/c)"); | |
207 | ||
208 | fhDeltaPhiChargedPt = new TH2F | |
9415d854 | 209 | ("DeltaPhiChargedPt","#phi_{trigger} - #phi_{#h^{#pm}} vs p_{T h^{#pm}}", |
dde5a268 | 210 | nptbins,ptmin,ptmax,700,-2.,5.); |
477d6cee | 211 | fhDeltaPhiChargedPt->SetYTitle("#Delta #phi"); |
212 | fhDeltaPhiChargedPt->SetXTitle("p_{T h^{#pm}} (GeV/c)"); | |
dde5a268 | 213 | |
214 | fhDeltaPhiUeChargedPt = new TH2F | |
215 | ("DeltaPhiUeChargedPt","#phi_{trigger} - #phi_{#Ueh^{#pm}} vs p_{T Ueh^{#pm}}", | |
216 | nptbins,ptmin,ptmax,700,-2.,5.); | |
217 | fhDeltaPhiUeChargedPt->SetYTitle("#Delta #phi"); | |
218 | fhDeltaPhiUeChargedPt->SetXTitle("p_{T h^{#pm}} (GeV/c)"); | |
477d6cee | 219 | |
220 | fhDeltaEtaCharged = new TH2F | |
221 | ("DeltaEtaCharged","#eta_{trigger} - #eta_{h^{#pm}} vs p_{T trigger}", | |
222 | nptbins,ptmin,ptmax,200,-2,2); | |
223 | fhDeltaEtaCharged->SetYTitle("#Delta #eta"); | |
224 | fhDeltaEtaCharged->SetXTitle("p_{T trigger} (GeV/c)"); | |
225 | ||
226 | fhPtImbalanceCharged = | |
227 | new TH2F("CorrelationCharged","z_{trigger h^{#pm}} = p_{T h^{#pm}} / p_{T trigger}", | |
dde5a268 | 228 | nptbins,ptmin,ptmax,1000,0.,2.); |
477d6cee | 229 | fhPtImbalanceCharged->SetYTitle("z_{trigger h^{#pm}}"); |
230 | fhPtImbalanceCharged->SetXTitle("p_{T trigger}"); | |
231 | ||
dde5a268 | 232 | fhPtImbalanceUeCharged = |
233 | new TH2F("CorrelationUeCharged","z_{trigger h^{#pm}} = p_{T Ueh^{#pm}} / p_{T trigger}", | |
234 | nptbins,ptmin,ptmax,1000,0.,2.); | |
235 | fhPtImbalanceUeCharged->SetYTitle("z_{trigger Ueh^{#pm}}"); | |
236 | fhPtImbalanceUeCharged->SetXTitle("p_{T trigger}"); | |
237 | ||
dd4871cd | 238 | fhPtHbpCharged = |
239 | new TH2F("HbpCharged","#xi = ln(1/x_{E}) with charged hadrons", | |
240 | nptbins,ptmin,ptmax,1000,0.,10.); | |
241 | fhPtHbpCharged->SetYTitle("ln(1/x_{E})"); | |
242 | fhPtHbpCharged->SetXTitle("p_{T trigger}"); | |
243 | ||
244 | fhPtHbpUeCharged = | |
245 | new TH2F("HbpUeCharged","#xi = ln(1/x_{E}) with charged hadrons", | |
246 | nptbins,ptmin,ptmax,1000,0.,10.); | |
247 | fhPtHbpUeCharged->SetYTitle("ln(1/x_{E})"); | |
248 | fhPtHbpUeCharged->SetXTitle("p_{T trigger}"); | |
249 | ||
477d6cee | 250 | outputContainer->Add(fhPhiCharged) ; |
251 | outputContainer->Add(fhEtaCharged) ; | |
252 | outputContainer->Add(fhDeltaPhiCharged) ; | |
253 | outputContainer->Add(fhDeltaEtaCharged) ; | |
477d6cee | 254 | outputContainer->Add(fhDeltaPhiChargedPt) ; |
dde5a268 | 255 | outputContainer->Add(fhDeltaPhiUeChargedPt) ; |
256 | outputContainer->Add(fhPtImbalanceCharged) ; | |
257 | outputContainer->Add(fhPtImbalanceUeCharged) ; | |
dd4871cd | 258 | outputContainer->Add(fhPtHbpCharged) ; |
259 | outputContainer->Add(fhPtHbpUeCharged) ; | |
dde5a268 | 260 | if(fMakeSeveralUE){ |
123fc3bd | 261 | fhDeltaPhiUeLeftCharged = new TH2F |
dde5a268 | 262 | ("DeltaPhiUeLeftChargedPt","#phi_{trigger} - #phi_{#Ueh^{#pm}} vs p_{T Ueh^{#pm}} with UE left side range of trigger particles", |
263 | nptbins,ptmin,ptmax,700,-2.,5.); | |
123fc3bd | 264 | fhDeltaPhiUeLeftCharged->SetYTitle("#Delta #phi"); |
265 | fhDeltaPhiUeLeftCharged->SetXTitle("p_{T h^{#pm}} (GeV/c)"); | |
266 | outputContainer->Add(fhDeltaPhiUeLeftCharged) ; | |
dde5a268 | 267 | |
123fc3bd | 268 | fhDeltaPhiUeRightCharged = new TH2F |
dde5a268 | 269 | ("DeltaPhiUeRightChargedPt","#phi_{trigger} - #phi_{#Ueh^{#pm}} vs p_{T Ueh^{#pm}} with UE right side range of trigger particles", |
270 | nptbins,ptmin,ptmax,700,-2.,5.); | |
123fc3bd | 271 | fhDeltaPhiUeRightCharged->SetYTitle("#Delta #phi"); |
272 | fhDeltaPhiUeRightCharged->SetXTitle("p_{T h^{#pm}} (GeV/c)"); | |
273 | outputContainer->Add(fhDeltaPhiUeRightCharged) ; | |
dde5a268 | 274 | |
275 | fhPtImbalanceUeLeftCharged = | |
276 | new TH2F("CorrelationUeChargedLeft","z_{trigger h^{#pm}} = p_{T Ueh^{#pm}} / p_{T trigger} with UE left side of trigger", | |
277 | nptbins,ptmin,ptmax,1000,0.,2.); | |
278 | fhPtImbalanceUeLeftCharged->SetYTitle("z_{trigger Ueh^{#pm}}"); | |
279 | fhPtImbalanceUeLeftCharged->SetXTitle("p_{T trigger}"); | |
280 | outputContainer->Add(fhPtImbalanceUeLeftCharged) ; | |
281 | ||
282 | fhPtImbalanceUeRightCharged = | |
283 | new TH2F("CorrelationUeChargedRight","z_{trigger h^{#pm}} = p_{T Ueh^{#pm}} / p_{T trigger} with UE right side of trigger", | |
284 | nptbins,ptmin,ptmax,1000,0.,2.); | |
285 | fhPtImbalanceUeRightCharged->SetYTitle("z_{trigger Ueh^{#pm}}"); | |
286 | fhPtImbalanceUeRightCharged->SetXTitle("p_{T trigger}"); | |
287 | outputContainer->Add(fhPtImbalanceUeRightCharged) ; | |
dd4871cd | 288 | |
289 | fhPtHbpUeLeftCharged = | |
290 | new TH2F("HbpUeChargedLeft","#xi = ln(1/x_{E}) with charged UE left side of trigger", | |
291 | nptbins,ptmin,ptmax,1000,0.,10.); | |
292 | fhPtHbpUeLeftCharged->SetYTitle("ln(1/x_{E})"); | |
293 | fhPtHbpUeLeftCharged->SetXTitle("p_{T trigger}"); | |
294 | outputContainer->Add(fhPtHbpUeLeftCharged) ; | |
295 | ||
296 | fhPtHbpUeRightCharged = | |
297 | new TH2F("HbpUeChargedRight","#xi = ln(1/x_{E}) with charged UE right side of trigger", | |
298 | nptbins,ptmin,ptmax,1000,0.,10.); | |
299 | fhPtHbpUeRightCharged->SetYTitle("ln(1/x_{E})"); | |
300 | fhPtHbpUeRightCharged->SetXTitle("p_{T trigger}"); | |
301 | outputContainer->Add(fhPtHbpUeRightCharged) ; | |
302 | ||
dde5a268 | 303 | } |
477d6cee | 304 | } //Correlation with charged hadrons |
305 | ||
306 | //Correlation with neutral hadrons | |
307 | if(GetReader()->IsEMCALSwitchedOn() || GetReader()->IsPHOSSwitchedOn()){ | |
308 | ||
309 | fhPhiNeutral = new TH2F | |
dd4871cd | 310 | ("PhiNeutral","#phi_{#pi^{0}} vs p_{T #pi^{0}}", |
477d6cee | 311 | nptbins,ptmin,ptmax,nphibins,phimin,phimax); |
312 | fhPhiNeutral->SetYTitle("#phi_{#pi^{0}} (rad)"); | |
dd4871cd | 313 | fhPhiNeutral->SetXTitle("p_{T #pi^{0}} (GeV/c)"); |
477d6cee | 314 | |
315 | fhEtaNeutral = new TH2F | |
dd4871cd | 316 | ("EtaNeutral","#eta_{#pi^{0}} vs p_{T #pi^{0}}", |
477d6cee | 317 | nptbins,ptmin,ptmax,netabins,etamin,etamax); |
318 | fhEtaNeutral->SetYTitle("#eta_{#pi^{0}} (rad)"); | |
dd4871cd | 319 | fhEtaNeutral->SetXTitle("p_{T #pi^{0}} (GeV/c)"); |
477d6cee | 320 | |
321 | fhDeltaPhiNeutral = new TH2F | |
322 | ("DeltaPhiNeutral","#phi_{trigger} - #phi_{#pi^{0}} vs p_{T trigger}", | |
323 | nptbins,ptmin,ptmax,nphibins,phimin,phimax); | |
324 | fhDeltaPhiNeutral->SetYTitle("#Delta #phi"); | |
325 | fhDeltaPhiNeutral->SetXTitle("p_{T trigger} (GeV/c)"); | |
326 | ||
327 | fhDeltaPhiNeutralPt = new TH2F | |
328 | ("DeltaPhiNeutralPt","#phi_{trigger} - #phi_{#pi^{0}} vs p_{T #pi^{0}}}", | |
dde5a268 | 329 | nptbins,ptmin,ptmax,700,-2.,5.); |
477d6cee | 330 | fhDeltaPhiNeutralPt->SetYTitle("#Delta #phi"); |
123fc3bd | 331 | fhDeltaPhiNeutralPt->SetXTitle("p_{T h^{0} (GeV/c)"); |
332 | ||
333 | fhDeltaPhiUeNeutralPt = new TH2F | |
334 | ("DeltaPhiUeNeutralPt","#phi_{trigger} - #phi_{#pi^{0}} vs p_{T #pi^{0}}}", | |
335 | nptbins,ptmin,ptmax,700,-2.,5.); | |
336 | fhDeltaPhiUeNeutralPt->SetYTitle("#Delta #phi"); | |
337 | fhDeltaPhiUeNeutralPt->SetXTitle("p_{T h^{0} (GeV/c)"); | |
477d6cee | 338 | |
339 | fhDeltaEtaNeutral = new TH2F | |
340 | ("DeltaEtaNeutral","#eta_{trigger} - #eta_{#pi^{0}} vs p_{T trigger}", | |
341 | nptbins,ptmin,ptmax,200,-2,2); | |
342 | fhDeltaEtaNeutral->SetYTitle("#Delta #eta"); | |
343 | fhDeltaEtaNeutral->SetXTitle("p_{T trigger} (GeV/c)"); | |
344 | ||
345 | fhPtImbalanceNeutral = | |
346 | new TH2F("CorrelationNeutral","z_{trigger #pi} = p_{T #pi^{0}} / p_{T trigger}", | |
dde5a268 | 347 | nptbins,ptmin,ptmax,1000,0.,2.); |
477d6cee | 348 | fhPtImbalanceNeutral->SetYTitle("z_{trigger #pi^{0}}"); |
349 | fhPtImbalanceNeutral->SetXTitle("p_{T trigger}"); | |
123fc3bd | 350 | |
351 | fhPtImbalanceUeNeutral = | |
352 | new TH2F("CorrelationUeNeutral","z_{trigger #pi} = p_{T #pi^{0}} / p_{T trigger}", | |
353 | nptbins,ptmin,ptmax,1000,0.,2.); | |
354 | fhPtImbalanceUeNeutral->SetYTitle("z_{trigger #pi^{0}}"); | |
355 | fhPtImbalanceUeNeutral->SetXTitle("p_{T trigger}"); | |
dd4871cd | 356 | |
357 | fhPtHbpNeutral = | |
358 | new TH2F("HbpNeutral","#xi = ln(1/x_{E}) with neutral particles", | |
359 | nptbins,ptmin,ptmax,1000,0.,10.); | |
360 | fhPtHbpNeutral->SetYTitle("ln(1/x_{E})"); | |
361 | fhPtHbpNeutral->SetXTitle("p_{T trigger}"); | |
362 | ||
363 | fhPtHbpUeNeutral = | |
364 | new TH2F("HbpUeNeutral","#xi = ln(1/x_{E}) with neutral particles", | |
365 | nptbins,ptmin,ptmax,1000,0.,10.); | |
366 | fhPtHbpUeNeutral->SetYTitle("ln(1/x_{E})"); | |
367 | fhPtHbpUeNeutral->SetXTitle("p_{T trigger}"); | |
368 | ||
369 | ||
123fc3bd | 370 | |
477d6cee | 371 | outputContainer->Add(fhPhiNeutral) ; |
372 | outputContainer->Add(fhEtaNeutral) ; | |
373 | outputContainer->Add(fhDeltaPhiNeutral) ; | |
123fc3bd | 374 | outputContainer->Add(fhDeltaPhiNeutralPt) ; |
375 | outputContainer->Add(fhDeltaPhiUeNeutralPt) ; | |
477d6cee | 376 | outputContainer->Add(fhDeltaEtaNeutral) ; |
377 | outputContainer->Add(fhPtImbalanceNeutral) ; | |
dd4871cd | 378 | outputContainer->Add(fhPtImbalanceUeNeutral) ; |
379 | outputContainer->Add(fhPtHbpNeutral) ; | |
380 | outputContainer->Add(fhPtHbpUeNeutral) ; | |
123fc3bd | 381 | |
382 | if(fMakeSeveralUE){ | |
383 | fhDeltaPhiUeLeftNeutral = new TH2F | |
dd4871cd | 384 | ("DeltaPhiUeLeftNeutralPt","#phi_{trigger} - #phi_{#Ueh^{0}} vs p_{T h^{0}} with neutral UE left side range of trigger particles", |
123fc3bd | 385 | nptbins,ptmin,ptmax,700,-2.,5.); |
386 | fhDeltaPhiUeLeftNeutral->SetYTitle("#Delta #phi"); | |
387 | fhDeltaPhiUeLeftNeutral->SetXTitle("p_{T h^{0}} (GeV/c)"); | |
388 | outputContainer->Add(fhDeltaPhiUeLeftNeutral) ; | |
389 | ||
390 | fhDeltaPhiUeRightNeutral = new TH2F | |
dd4871cd | 391 | ("DeltaPhiUeRightNeutralPt","#phi_{trigger} - #phi_{#Ueh^{0}} vs p_{T Ueh^{0}} with neutral UE right side range of trigger particles", |
123fc3bd | 392 | nptbins,ptmin,ptmax,700,-2.,5.); |
393 | fhDeltaPhiUeRightNeutral->SetYTitle("#Delta #phi"); | |
394 | fhDeltaPhiUeRightNeutral->SetXTitle("p_{T h^{0}} (GeV/c)"); | |
395 | outputContainer->Add(fhDeltaPhiUeRightNeutral) ; | |
396 | ||
397 | fhPtImbalanceUeLeftNeutral = | |
dd4871cd | 398 | new TH2F("CorrelationUeNeutralLeft","z_{trigger h^{0}} = p_{T Ueh^{0}} / p_{T trigger} with neutral UE left side of trigger", |
123fc3bd | 399 | nptbins,ptmin,ptmax,1000,0.,2.); |
400 | fhPtImbalanceUeLeftNeutral->SetYTitle("z_{trigger Ueh^{0}}"); | |
401 | fhPtImbalanceUeLeftNeutral->SetXTitle("p_{T trigger}"); | |
402 | outputContainer->Add(fhPtImbalanceUeLeftNeutral) ; | |
403 | ||
404 | fhPtImbalanceUeRightNeutral = | |
dd4871cd | 405 | new TH2F("CorrelationUeNeutralRight","z_{trigger h^{0}} = p_{T Ueh^{0}} / p_{T trigger} with neutral UE right side of trigger", |
123fc3bd | 406 | nptbins,ptmin,ptmax,1000,0.,2.); |
407 | fhPtImbalanceUeRightNeutral->SetYTitle("z_{trigger Ueh^{0}}"); | |
408 | fhPtImbalanceUeRightNeutral->SetXTitle("p_{T trigger}"); | |
409 | outputContainer->Add(fhPtImbalanceUeRightNeutral) ; | |
dd4871cd | 410 | |
411 | fhPtHbpUeLeftNeutral = | |
412 | new TH2F("HbpUeNeutralLeft","#xi = ln(1/x_{E}) with neutral UE left side of trigger", | |
413 | nptbins,ptmin,ptmax,1000,0.,10.); | |
414 | fhPtHbpUeLeftNeutral->SetYTitle("ln(1/x_{E})"); | |
415 | fhPtHbpUeLeftNeutral->SetXTitle("p_{T trigger}"); | |
416 | outputContainer->Add(fhPtHbpUeLeftNeutral) ; | |
417 | ||
418 | fhPtHbpUeRightNeutral = | |
419 | new TH2F("HbpUeNeutralRight","#xi = ln(1/x_{E}) with neutral UE right side of trigger", | |
420 | nptbins,ptmin,ptmax,1000,0.,10.); | |
421 | fhPtHbpUeRightNeutral->SetYTitle("ln(1/x_{E})"); | |
422 | fhPtHbpUeRightNeutral->SetXTitle("p_{T trigger}"); | |
423 | outputContainer->Add(fhPtHbpUeRightNeutral) ; | |
424 | ||
123fc3bd | 425 | } |
426 | ||
477d6cee | 427 | //Keep neutral meson selection histograms if requiered |
428 | //Setting done in AliNeutralMesonSelection | |
429 | if(GetNeutralMesonSelection()){ | |
430 | TList * nmsHistos = GetNeutralMesonSelection()->GetCreateOutputObjects() ; | |
431 | if(GetNeutralMesonSelection()->AreNeutralMesonSelectionHistosKept()) | |
432 | for(Int_t i = 0; i < nmsHistos->GetEntries(); i++) outputContainer->Add(nmsHistos->At(i)) ; | |
433 | } | |
a3aebfff | 434 | |
477d6cee | 435 | }//Correlation with neutral hadrons |
436 | ||
437 | return outputContainer; | |
a3aebfff | 438 | |
1c5acb87 | 439 | } |
440 | ||
477d6cee | 441 | //____________________________________________________________________________ |
1c5acb87 | 442 | void AliAnaParticleHadronCorrelation::InitParameters() |
443 | { | |
477d6cee | 444 | |
1c5acb87 | 445 | //Initialize the parameters of the analysis. |
a3aebfff | 446 | SetInputAODName("PWG4Particle"); |
591cc579 | 447 | SetAODObjArrayName("Hadrons"); |
a3aebfff | 448 | AddToHistogramsName("AnaHadronCorr_"); |
449 | ||
9415d854 | 450 | //Correlation with neutrals |
451 | //SetOutputAODClassName("AliAODPWG4Particle"); | |
452 | //SetOutputAODName("Pi0Correlated"); | |
453 | ||
dde5a268 | 454 | SetPtCutRange(0.,300); |
1c5acb87 | 455 | fDeltaPhiMinCut = 1.5 ; |
456 | fDeltaPhiMaxCut = 4.5 ; | |
6639984f | 457 | fSelectIsolated = kFALSE; |
dde5a268 | 458 | fMakeSeveralUE = kFALSE; |
459 | fUeDeltaPhiMinCut = 1. ; | |
460 | fUeDeltaPhiMaxCut = 1.5 ; | |
1c5acb87 | 461 | } |
462 | ||
463 | //__________________________________________________________________ | |
464 | void AliAnaParticleHadronCorrelation::Print(const Option_t * opt) const | |
465 | { | |
466 | ||
467 | //Print some relevant parameters set for the analysis | |
468 | if(! opt) | |
469 | return; | |
470 | ||
a3aebfff | 471 | printf("**** Print %s %s ****\n", GetName(), GetTitle() ) ; |
472 | AliAnaPartCorrBaseClass::Print(" "); | |
473 | ||
1c5acb87 | 474 | printf("Phi trigger particle-Hadron < %3.2f\n", fDeltaPhiMaxCut) ; |
475 | printf("Phi trigger particle-Hadron > %3.2f\n", fDeltaPhiMinCut) ; | |
6639984f | 476 | printf("Isolated Trigger? %d\n", fSelectIsolated) ; |
dde5a268 | 477 | printf("Phi trigger particle-UeHadron < %3.2f\n", fUeDeltaPhiMaxCut) ; |
478 | printf("Phi trigger particle-UeHadron > %3.2f\n", fUeDeltaPhiMinCut) ; | |
479 | printf("Several UE? %d\n", fMakeSeveralUE) ; | |
1c5acb87 | 480 | } |
481 | ||
482 | //____________________________________________________________________________ | |
483 | void AliAnaParticleHadronCorrelation::MakeAnalysisFillAOD() | |
484 | { | |
477d6cee | 485 | //Particle-Hadron Correlation Analysis, fill AODs |
486 | ||
487 | if(!GetInputAODBranch()){ | |
591cc579 | 488 | printf("AliAnaParticleHadronCorrelation::MakeAnalysisFillAOD() - No input particles in AOD with name branch < %s >, STOP \n",GetInputAODName().Data()); |
477d6cee | 489 | abort(); |
490 | } | |
9415d854 | 491 | |
492 | if(strcmp(GetInputAODBranch()->GetClass()->GetName(), "AliAODPWG4ParticleCorrelation")){ | |
493 | printf("AliAnaParticleHadronCorrelation::MakeAnalysisFillAOD() - Wrong type of AOD object, change AOD class name in input AOD: It should be <AliAODPWG4ParticleCorrelation> and not <%s> \n",GetInputAODBranch()->GetClass()->GetName()); | |
494 | abort(); | |
495 | } | |
496 | ||
477d6cee | 497 | if(GetDebug() > 1){ |
a3aebfff | 498 | printf("AliAnaParticleHadronCorrelation::MakeAnalysisFillAOD() - Begin hadron correlation analysis, fill AODs \n"); |
499 | printf("AliAnaParticleHadronCorrelation::MakeAnalysisFillAOD() - In particle branch aod entries %d\n", GetInputAODBranch()->GetEntriesFast()); | |
500 | printf("AliAnaParticleHadronCorrelation::MakeAnalysisFillAOD() - In CTS aod entries %d\n", GetAODCTS()->GetEntriesFast()); | |
501 | printf("AliAnaParticleHadronCorrelation::MakeAnalysisFillAOD() - In EMCAL aod entries %d\n", GetAODEMCAL()->GetEntriesFast()); | |
502 | printf("AliAnaParticleHadronCorrelation::MakeAnalysisFillAOD() - In PHOS aod entries %d\n", GetAODPHOS()->GetEntriesFast()); | |
477d6cee | 503 | } |
504 | ||
505 | //Loop on stored AOD particles, trigger | |
506 | Int_t naod = GetInputAODBranch()->GetEntriesFast(); | |
507 | for(Int_t iaod = 0; iaod < naod ; iaod++){ | |
508 | AliAODPWG4ParticleCorrelation* particle = (AliAODPWG4ParticleCorrelation*) (GetInputAODBranch()->At(iaod)); | |
9415d854 | 509 | |
510 | //Make correlation with charged hadrons | |
477d6cee | 511 | if(GetReader()->IsCTSSwitchedOn() ) |
a3aebfff | 512 | MakeChargedCorrelation(particle, GetAODCTS(),kFALSE); |
477d6cee | 513 | |
514 | //Make correlation with neutral pions | |
515 | //Trigger particle in PHOS, correlation with EMCAL | |
516 | if(particle->GetDetector()=="PHOS" && GetReader()->IsEMCALSwitchedOn() && GetAODEMCAL()->GetEntriesFast() > 0) | |
9415d854 | 517 | MakeNeutralCorrelationFillAOD(particle, GetAODEMCAL(),"EMCAL"); |
477d6cee | 518 | //Trigger particle in EMCAL, correlation with PHOS |
519 | else if(particle->GetDetector()=="EMCAL" && GetReader()->IsPHOSSwitchedOn() && GetAODPHOS()->GetEntriesFast() > 0) | |
9415d854 | 520 | MakeNeutralCorrelationFillAOD(particle, GetAODPHOS(),"PHOS"); |
477d6cee | 521 | //Trigger particle in CTS, correlation with PHOS, EMCAL and CTS |
522 | else if(particle->GetDetector()=="CTS" ){ | |
523 | if(GetReader()->IsPHOSSwitchedOn() && GetAODPHOS()->GetEntriesFast() > 0) | |
9415d854 | 524 | MakeNeutralCorrelationFillAOD(particle, GetAODPHOS(),"PHOS"); |
477d6cee | 525 | if(GetReader()->IsEMCALSwitchedOn() && GetAODEMCAL()->GetEntriesFast() > 0) |
9415d854 | 526 | MakeNeutralCorrelationFillAOD(particle, GetAODEMCAL(),"EMCAL"); |
477d6cee | 527 | } |
a3aebfff | 528 | |
529 | ||
477d6cee | 530 | }//Aod branch loop |
531 | ||
a3aebfff | 532 | if(GetDebug() > 1) printf("AliAnaParticleHadronCorrelation::MakeAnalysisFillAOD() - End fill AODs \n"); |
477d6cee | 533 | |
1c5acb87 | 534 | } |
535 | ||
536 | //____________________________________________________________________________ | |
537 | void AliAnaParticleHadronCorrelation::MakeAnalysisFillHistograms() | |
538 | { | |
477d6cee | 539 | //Particle-Hadron Correlation Analysis, fill histograms |
540 | ||
541 | if(!GetInputAODBranch()){ | |
591cc579 | 542 | printf("AliAnaParticleHadronCorrelation::MakeAnalysisFillHistograms() - No input particles in AOD with name branch < %s >, STOP \n",GetInputAODName().Data()); |
477d6cee | 543 | abort(); |
544 | } | |
9415d854 | 545 | |
477d6cee | 546 | if(GetDebug() > 1){ |
a3aebfff | 547 | printf("AliAnaParticleHadronCorrelation::MakeAnalysisFillHistograms() - Begin hadron correlation analysis, fill histograms \n"); |
548 | printf("AliAnaParticleHadronCorrelation::MakeAnalysisFillHistograms() - In particle branch aod entries %d\n", GetInputAODBranch()->GetEntriesFast()); | |
477d6cee | 549 | } |
9415d854 | 550 | |
477d6cee | 551 | //Loop on stored AOD particles |
552 | Int_t naod = GetInputAODBranch()->GetEntriesFast(); | |
9415d854 | 553 | for(Int_t iaod = 0; iaod < naod ; iaod++){ |
554 | AliAODPWG4ParticleCorrelation* particle = (AliAODPWG4ParticleCorrelation*) (GetInputAODBranch()->At(iaod)); | |
555 | ||
556 | //check if the particle is isolated or if we want to take the isolation into account | |
557 | if(OnlyIsolated() && !particle->IsIsolated()) continue; | |
558 | ||
559 | //Make correlation with charged hadrons | |
591cc579 | 560 | TObjArray * reftracks = particle->GetObjArray(GetAODObjArrayName()+"Tracks"); |
9415d854 | 561 | if(reftracks){ |
562 | if(GetDebug() > 1) printf("AliAnaParticleHadronCorrelation::MakeAnalysisFillHistograms() - Particle %d, In Track Refs entries %d\n", iaod, reftracks->GetEntriesFast()); | |
563 | if(reftracks->GetEntriesFast() > 0) MakeChargedCorrelation(particle, reftracks,kTRUE); | |
564 | } | |
565 | ||
566 | //Make correlation with neutral pions | |
567 | if(GetOutputAODBranch() && GetOutputAODBranch()->GetEntriesFast() > 0){ | |
568 | if(GetDebug() > 1) printf("AliAnaParticleHadronCorrelation::MakeAnalysisFillHistograms() - Particle %d, In Cluster Refs entries %d\n",iaod, GetOutputAODBranch()->GetEntriesFast()); | |
569 | MakeNeutralCorrelationFillHistograms(particle); | |
570 | } | |
571 | ||
477d6cee | 572 | }//Aod branch loop |
573 | ||
a3aebfff | 574 | if(GetDebug() > 1) printf("AliAnaParticleHadronCorrelation::MakeAnalysisFillHistograms() - End fill histograms \n"); |
477d6cee | 575 | |
1c5acb87 | 576 | } |
577 | ||
578 | //____________________________________________________________________________ | |
233e0df8 | 579 | void AliAnaParticleHadronCorrelation::MakeChargedCorrelation(AliAODPWG4ParticleCorrelation *aodParticle, TObjArray* const pl, const Bool_t bFillHisto) |
1c5acb87 | 580 | { |
dde5a268 | 581 | // Charged Hadron Correlation Analysis |
582 | if(GetDebug() > 1)printf("AliAnaParticleHadronCorrelation::MakeChargedCorrelation() - Make trigger particle - charged hadron correlation \n"); | |
583 | ||
584 | Double_t ptTrig = aodParticle->Pt(); | |
dd4871cd | 585 | Double_t pxTrig = aodParticle->Px(); |
586 | Double_t pyTrig = aodParticle->Py(); | |
587 | ||
dde5a268 | 588 | Double_t phiTrig = aodParticle->Phi(); |
dd4871cd | 589 | |
dde5a268 | 590 | Double_t pt = -100.; |
dd4871cd | 591 | Double_t px = -100.; |
592 | Double_t py = -100.; | |
dde5a268 | 593 | Double_t rat = -100.; |
dd4871cd | 594 | Double_t xE = -100.; |
595 | Double_t cosi = -100.; | |
dde5a268 | 596 | Double_t phi = -100. ; |
597 | Double_t eta = -100. ; | |
598 | Double_t p[3]; | |
dde5a268 | 599 | |
591cc579 | 600 | TObjArray * reftracks =0x0; |
dde5a268 | 601 | if(!bFillHisto) |
591cc579 | 602 | reftracks = new TObjArray; |
dde5a268 | 603 | |
604 | //Track loop, select tracks with good pt, phi and fill AODs or histograms | |
605 | for(Int_t ipr = 0;ipr < pl->GetEntries() ; ipr ++ ){ | |
606 | AliAODTrack * track = (AliAODTrack *) (pl->At(ipr)) ; | |
607 | track->GetPxPyPz(p) ; | |
608 | TLorentzVector mom(p[0],p[1],p[2],0); | |
609 | pt = mom.Pt(); | |
dd4871cd | 610 | px = mom.Px(); |
611 | py = mom.Py(); | |
dde5a268 | 612 | eta = mom.Eta(); |
613 | phi = mom.Phi() ; | |
614 | if(phi < 0) phi+=TMath::TwoPi(); | |
615 | rat = pt/ptTrig ; | |
dd4871cd | 616 | xE = -(px*pxTrig+py*pyTrig)/(ptTrig*ptTrig); |
617 | if(xE <0.)xE =-xE; | |
618 | cosi = TMath::Log(1/xE); | |
619 | // printf("rat = %f, xE = %f, cosi =%f \n", rat, xE, cosi); | |
620 | // printf("phi = %f \n", phi); | |
dde5a268 | 621 | |
ff45398a | 622 | if(IsFiducialCutOn()){ |
623 | Bool_t in = GetFiducialCut()->IsInFiducialCut(mom,"CTS") ; | |
dde5a268 | 624 | if(! in ) continue ; |
625 | } | |
626 | ||
627 | //Select only hadrons in pt range | |
628 | if(pt < GetMinPt() || pt > GetMaxPt()) continue ; | |
629 | ||
630 | //Selection within angular range | |
631 | Float_t deltaphi = phiTrig-phi; | |
632 | if(deltaphi<-TMath::PiOver2()) deltaphi+=TMath::TwoPi(); | |
633 | if(deltaphi>3*TMath::PiOver2()) deltaphi-=TMath::TwoPi(); | |
634 | ||
635 | if(GetDebug() > 2) | |
636 | printf("AliAnaParticleHadronCorrelation::MakeChargedCorrelation() - Charged hadron: pt %f, phi %f, phi trigger %f. Cuts: delta phi %2.2f < %2.2f < %2.2f, pT min %2.2f \n", | |
637 | pt,phi, phiTrig,fDeltaPhiMinCut, deltaphi, fDeltaPhiMaxCut, GetMinPt()); | |
638 | ||
639 | if(bFillHisto){ | |
640 | // Fill Histograms | |
dd4871cd | 641 | fhEtaCharged->Fill(pt,eta); |
642 | fhPhiCharged->Fill(pt,phi); | |
dde5a268 | 643 | fhDeltaEtaCharged->Fill(ptTrig,aodParticle->Eta()-eta); |
644 | fhDeltaPhiCharged->Fill(ptTrig, deltaphi); | |
645 | ||
646 | if(GetDebug() > 2 ) printf("AliAnaParticleHadronCorrelation::MakeChargedCorrelation() - Selected charge for momentum imbalance: pt %2.2f, phi %2.2f, eta %2.2f \n",pt,phi,eta); | |
123fc3bd | 647 | |
648 | //delta phi cut for correlation | |
649 | if( (deltaphi > fDeltaPhiMinCut) && ( deltaphi < fDeltaPhiMaxCut) ) { | |
650 | fhDeltaPhiChargedPt->Fill(pt,deltaphi); | |
651 | fhPtImbalanceCharged->Fill(ptTrig,rat); | |
dd4871cd | 652 | fhPtHbpCharged->Fill(ptTrig,cosi); |
123fc3bd | 653 | } |
654 | else { | |
dd4871cd | 655 | fhDeltaPhiUeChargedPt->Fill(pt,deltaphi); |
656 | fhPtImbalanceUeCharged->Fill(ptTrig,rat); | |
657 | fhPtHbpUeCharged->Fill(ptTrig,cosi); | |
123fc3bd | 658 | } |
dde5a268 | 659 | //several UE calculation |
660 | if(fMakeSeveralUE){ | |
661 | if((deltaphi<-fUeDeltaPhiMinCut) && (deltaphi >-fUeDeltaPhiMaxCut)){ | |
123fc3bd | 662 | fhDeltaPhiUeLeftCharged->Fill(pt,deltaphi); |
dde5a268 | 663 | fhPtImbalanceUeLeftCharged->Fill(ptTrig,rat); |
dd4871cd | 664 | fhPtHbpUeLeftCharged->Fill(ptTrig,cosi); |
dde5a268 | 665 | } |
666 | if((deltaphi>fUeDeltaPhiMinCut) && (deltaphi <fUeDeltaPhiMaxCut)){ | |
123fc3bd | 667 | fhDeltaPhiUeRightCharged->Fill(pt,deltaphi); |
dde5a268 | 668 | fhPtImbalanceUeRightCharged->Fill(ptTrig,rat); |
dd4871cd | 669 | fhPtHbpUeRightCharged->Fill(ptTrig,cosi); |
670 | ||
dde5a268 | 671 | } |
672 | } //several UE calculation | |
673 | ||
dde5a268 | 674 | } |
675 | else{ | |
dde5a268 | 676 | reftracks->Add(track); |
dde5a268 | 677 | }//aod particle loop |
678 | }// track loop | |
9415d854 | 679 | |
dde5a268 | 680 | //Fill AOD with reference tracks, if not filling histograms |
681 | if(!bFillHisto && reftracks->GetEntriesFast() > 0) { | |
591cc579 | 682 | reftracks->SetName(GetAODObjArrayName()+"Tracks"); |
683 | aodParticle->AddObjArray(reftracks); | |
dde5a268 | 684 | } |
9415d854 | 685 | |
1c5acb87 | 686 | } |
9415d854 | 687 | |
1c5acb87 | 688 | //____________________________________________________________________________ |
233e0df8 | 689 | void AliAnaParticleHadronCorrelation::MakeNeutralCorrelationFillAOD(AliAODPWG4ParticleCorrelation* const aodParticle,TObjArray* const pl, TString detector) |
1c5acb87 | 690 | { |
9415d854 | 691 | // Neutral Pion Correlation Analysis, find pi0, put them in new output aod, if correlation cuts passed |
692 | if(GetDebug() > 1) printf("AliAnaParticleHadronCorrelation::MakeNeutralCorrelationFillAOD() - Make trigger particle - neutral hadron correlation \n"); | |
693 | ||
694 | if(!NewOutputAOD()){ | |
591cc579 | 695 | printf("AliAnaParticleHadronCorrelation::MakeNeutralCorrelationFillAOD() - Output aod not created, set AOD class name and branch name in the configuration file, STOP! \n"); |
9415d854 | 696 | abort(); |
697 | } | |
1c5acb87 | 698 | |
1c5acb87 | 699 | Double_t phiTrig = aodParticle->Phi(); |
591cc579 | 700 | Int_t tag = 0; |
1c5acb87 | 701 | TLorentzVector gammai; |
702 | TLorentzVector gammaj; | |
703 | ||
233e0df8 | 704 | //Get vertex for photon momentum calculation |
705 | Double_t vertex[] = {0,0,0} ; //vertex | |
706 | Double_t vertex2[] = {0,0,0} ; //vertex of second input aod | |
edd59991 | 707 | if(GetReader()->GetDataType()!= AliCaloTrackReader::kMC) |
233e0df8 | 708 | { |
709 | GetReader()->GetVertex(vertex); | |
710 | if(GetReader()->GetSecondInputAODTree()) GetReader()->GetSecondInputAODVertex(vertex2); | |
711 | } | |
712 | ||
1c5acb87 | 713 | //Cluster loop, select pairs with good pt, phi and fill AODs or histograms |
9415d854 | 714 | //Int_t iEvent= GetReader()->GetEventNumber() ; |
715 | Int_t nclus = pl->GetEntriesFast(); | |
716 | for(Int_t iclus = 0;iclus < nclus ; iclus ++ ){ | |
1c5acb87 | 717 | AliAODCaloCluster * calo = (AliAODCaloCluster *) (pl->At(iclus)) ; |
9415d854 | 718 | |
233e0df8 | 719 | //Input from second AOD? |
720 | Int_t inputi = 0; | |
721 | if (aodParticle->GetDetector() == "EMCAL" && GetReader()->GetAODEMCALNormalInputEntries() <= iclus) inputi = 1 ; | |
722 | else if(aodParticle->GetDetector() == "PHOS" && GetReader()->GetAODPHOSNormalInputEntries() <= iclus) inputi = 1; | |
723 | ||
ff45398a | 724 | //Cluster selection, not charged, with photon or pi0 id and in fiducial cut |
9415d854 | 725 | Int_t pdg=0; |
233e0df8 | 726 | if (inputi == 0 && !SelectCluster(calo, vertex, gammai, pdg)) continue ; |
727 | else if(inputi == 1 && !SelectCluster(calo, vertex2, gammai, pdg)) continue ; | |
12524a23 | 728 | |
729 | if(GetDebug() > 2) | |
9415d854 | 730 | printf("AliAnaParticleHadronCorrelation::MakeNeutralCorrelationFillAOD() - Neutral cluster in %s: pt %f, phi %f, phi trigger %f. Cuts: delta phi min %2.2f, max %2.2f, pT min %2.2f \n", |
731 | detector.Data(), gammai.Pt(),gammai.Phi(),phiTrig,fDeltaPhiMinCut, fDeltaPhiMaxCut, GetMinPt()); | |
732 | ||
733 | //2 gamma overlapped, found with PID | |
734 | if(pdg == AliCaloPID::kPi0){ | |
477d6cee | 735 | |
9415d854 | 736 | //Select only hadrons in pt range |
737 | if(gammai.Pt() < GetMinPt() || gammai.Pt() > GetMaxPt()) continue ; | |
1c5acb87 | 738 | |
9415d854 | 739 | //Selection within angular range |
740 | Float_t phi = gammai.Phi(); | |
741 | if(phi < 0) phi+=TMath::TwoPi(); | |
dde5a268 | 742 | //Float_t deltaphi = TMath::Abs(phiTrig-phi); |
743 | //if( (deltaphi < fDeltaPhiMinCut) || ( deltaphi > fDeltaPhiMaxCut) ) continue ; | |
477d6cee | 744 | |
9415d854 | 745 | AliAODPWG4Particle pi0 = AliAODPWG4Particle(gammai); |
746 | //pi0.SetLabel(calo->GetLabel(0)); | |
747 | pi0.SetPdg(AliCaloPID::kPi0); | |
748 | pi0.SetDetector(detector); | |
749 | ||
750 | if(IsDataMC()){ | |
233e0df8 | 751 | pi0.SetTag(GetMCAnalysisUtils()->CheckOrigin(calo->GetLabel(0),GetReader(),inputi)); |
752 | if(GetDebug() > 0) printf("AliAnaParticleHadronCorrelation::MakeNeutralCorrelationFillAOD() - Origin of candidate %d\n",pi0.GetTag()); | |
753 | }//Work with stack also | |
9415d854 | 754 | //Set the indeces of the original caloclusters |
755 | pi0.SetCaloLabel(calo->GetID(),-1); | |
756 | AddAODParticle(pi0); | |
757 | ||
758 | if(GetDebug() > 2) | |
759 | printf("AliAnaParticleHadronCorrelation::MakeNeutralCorrelationFillAOD() - Correlated with selected pi0 (pid): pt %f, phi %f\n",pi0.Pt(),pi0.Phi()); | |
760 | ||
761 | }// pdg = 111 | |
762 | ||
763 | //Make invariant mass analysis | |
764 | else if(pdg == AliCaloPID::kPhoton){ | |
765 | //Search the photon companion in case it comes from a Pi0 decay | |
766 | //Apply several cuts to select the good pair; | |
767 | for(Int_t jclus = iclus+1; jclus < pl->GetEntries() ; jclus ++ ){ | |
768 | AliAODCaloCluster * calo2 = (AliAODCaloCluster *) (pl->At(jclus)) ; | |
477d6cee | 769 | |
233e0df8 | 770 | //Input from second AOD? |
771 | Int_t inputj = 0; | |
772 | if (aodParticle->GetDetector() == "EMCAL" && GetReader()->GetAODEMCALNormalInputEntries() <= jclus) inputj = 1; | |
773 | else if(aodParticle->GetDetector() == "PHOS" && GetReader()->GetAODPHOSNormalInputEntries() <= jclus) inputj = 1; | |
774 | ||
ff45398a | 775 | //Cluster selection, not charged with photon or pi0 id and in fiducial cut |
9415d854 | 776 | Int_t pdgj=0; |
233e0df8 | 777 | if (inputj == 0 && !SelectCluster(calo2, vertex, gammaj, pdgj)) continue ; |
778 | else if(inputj == 1 && !SelectCluster(calo2, vertex2, gammaj, pdgj)) continue ; | |
779 | ||
9415d854 | 780 | if(!SelectCluster(calo2,vertex, gammaj, pdgj)) continue ; |
477d6cee | 781 | |
9415d854 | 782 | if(pdgj == AliCaloPID::kPhoton ){ |
783 | ||
784 | if((gammai+gammaj).Pt() < GetMinPt() || (gammai+gammaj).Pt() > GetMaxPt()) continue ; | |
1c5acb87 | 785 | |
9415d854 | 786 | //Selection within angular range |
787 | Float_t phi = (gammai+gammaj).Phi(); | |
788 | if(phi < 0) phi+=TMath::TwoPi(); | |
dde5a268 | 789 | //Float_t deltaphi = TMath::Abs(phiTrig-phi); |
790 | //if( (deltaphi < fDeltaPhiMinCut) || ( deltaphi > fDeltaPhiMaxCut) ) continue ; | |
477d6cee | 791 | |
9415d854 | 792 | //Select good pair (aperture and invariant mass) |
793 | if(GetNeutralMesonSelection()->SelectPair(gammai, gammaj)){ | |
1c5acb87 | 794 | |
9415d854 | 795 | if(GetDebug() > 2 ) printf("AliAnaParticleHadronCorrelation::MakeNeutralCorrelationFillAOD() - Neutral Hadron Correlation: AOD Selected gamma pair: pt %2.2f, phi %2.2f, eta %2.2f, M %2.3f\n", |
796 | (gammai+gammaj).Pt(),(gammai+gammaj).Phi(),(gammai+gammaj).Eta(), (gammai+gammaj).M()); | |
1c5acb87 | 797 | |
9415d854 | 798 | TLorentzVector pi0mom = gammai+gammaj; |
799 | AliAODPWG4Particle pi0 = AliAODPWG4Particle(pi0mom); | |
800 | //pi0.SetLabel(calo->GetLabel(0)); | |
801 | pi0.SetPdg(AliCaloPID::kPi0); | |
802 | pi0.SetDetector(detector); | |
803 | if(IsDataMC()){ | |
804 | //Check origin of the candidates | |
591cc579 | 805 | |
806 | Int_t label1 = calo->GetLabel(0); | |
807 | Int_t label2 = calo2->GetLabel(0); | |
233e0df8 | 808 | Int_t tag1 = GetMCAnalysisUtils()->CheckOrigin(label1, GetReader(), inputi); |
809 | Int_t tag2 = GetMCAnalysisUtils()->CheckOrigin(label2, GetReader(), inputj); | |
591cc579 | 810 | |
9415d854 | 811 | if(GetDebug() > 0) printf("AliAnaParticleHadronCorrelation::MakeNeutralCorrelationFillAOD() - Origin of: photon1 %d; photon2 %d \n",tag1, tag2); |
591cc579 | 812 | if(GetMCAnalysisUtils()->CheckTagBit(tag1,AliMCAnalysisUtils::kMCPi0Decay) && GetMCAnalysisUtils()->CheckTagBit(tag2,AliMCAnalysisUtils::kMCPi0Decay)){ |
9415d854 | 813 | |
591cc579 | 814 | //Check if pi0 mother is the same |
815 | if(GetReader()->ReadStack()){ | |
816 | TParticle * mother1 = GetMCStack()->Particle(label1);//photon in kine tree | |
817 | label1 = mother1->GetFirstMother(); | |
818 | //mother1 = GetMCStack()->Particle(label1);//pi0 | |
819 | ||
820 | TParticle * mother2 = GetMCStack()->Particle(label2);//photon in kine tree | |
821 | label2 = mother2->GetFirstMother(); | |
822 | //mother2 = GetMCStack()->Particle(label2);//pi0 | |
823 | } | |
824 | else if(GetReader()->ReadAODMCParticles()){ | |
233e0df8 | 825 | AliAODMCParticle * mother1 = (AliAODMCParticle *) (GetReader()->GetAODMCParticles(inputi))->At(label1);//photon in kine tree |
591cc579 | 826 | label1 = mother1->GetMother(); |
827 | //mother1 = GetMCStack()->Particle(label1);//pi0 | |
233e0df8 | 828 | AliAODMCParticle * mother2 = (AliAODMCParticle *) (GetReader()->GetAODMCParticles(inputj))->At(label2);//photon in kine tree |
591cc579 | 829 | label2 = mother2->GetMother(); |
830 | //mother2 = GetMCStack()->Particle(label2);//pi0 | |
831 | } | |
9415d854 | 832 | |
591cc579 | 833 | //printf("mother1 %d, mother2 %d\n",label1,label2); |
834 | if(label1 == label2) | |
835 | GetMCAnalysisUtils()->SetTagBit(tag,AliMCAnalysisUtils::kMCPi0); | |
477d6cee | 836 | } |
591cc579 | 837 | }//Work with mc information also |
9415d854 | 838 | pi0.SetTag(tag); |
839 | //Set the indeces of the original caloclusters | |
840 | pi0.SetCaloLabel(calo->GetID(), calo2->GetID()); | |
841 | AddAODParticle(pi0); | |
842 | ||
843 | ||
844 | }//Pair selected | |
845 | }//if pair of gammas | |
846 | }//2nd loop | |
847 | }// if pdg = 22 | |
1c5acb87 | 848 | }//1st loop |
849 | ||
9415d854 | 850 | if(GetDebug() > 1) |
851 | printf("AliAnaParticleHadronCorrelation::MakeNeutralCorrelationFillAOD() - End, %d pi0's found \n",GetOutputAODBranch()->GetEntriesFast()); | |
852 | } | |
853 | ||
854 | //____________________________________________________________________________ | |
233e0df8 | 855 | void AliAnaParticleHadronCorrelation::MakeNeutralCorrelationFillHistograms(AliAODPWG4ParticleCorrelation * const aodParticle) |
9415d854 | 856 | { |
857 | // Neutral Pion Correlation Analysis | |
858 | if(GetDebug() > 1) printf("AliAnaParticleHadronCorrelation::MakeNeutralCorrelationFillHistogramS() - Make trigger particle - pi0 correlation, %d pi0's \n",GetOutputAODBranch()->GetEntriesFast()); | |
859 | ||
860 | Double_t pt = -100.; | |
dd4871cd | 861 | Double_t px = -100.; |
862 | Double_t py = -100.; | |
9415d854 | 863 | Double_t rat = -100.; |
864 | Double_t phi = -100.; | |
865 | Double_t eta = -100.; | |
dd4871cd | 866 | Double_t xE = -100.; |
867 | Double_t cosi = -100.; | |
868 | ||
9415d854 | 869 | Double_t ptTrig = aodParticle->Pt(); |
870 | Double_t phiTrig = aodParticle->Phi(); | |
871 | Double_t etaTrig = aodParticle->Eta(); | |
dd4871cd | 872 | Double_t pxTrig = aodParticle->Px(); |
873 | Double_t pyTrig = aodParticle->Py(); | |
874 | ||
9415d854 | 875 | |
876 | if(!GetOutputAODBranch()){ | |
877 | printf("AliAnaParticleHadronCorrelation::MakeNeutralCorrelationFillHistograms() - No output pi0 in AOD branch with name < %s >,STOP \n",GetOutputAODName().Data()); | |
878 | abort(); | |
a3aebfff | 879 | } |
9415d854 | 880 | |
881 | //Loop on stored AOD pi0 | |
882 | Int_t naod = GetOutputAODBranch()->GetEntriesFast(); | |
883 | if(GetDebug() > 0) printf("AliAnaParticleHadronCorrelation::MakeNeutralCorrelationFillHistograms() - aod branch entries %d\n", naod); | |
884 | for(Int_t iaod = 0; iaod < naod ; iaod++){ | |
885 | AliAODPWG4Particle* pi0 = (AliAODPWG4Particle*) (GetOutputAODBranch()->At(iaod)); | |
886 | Int_t pdg = pi0->GetPdg(); | |
887 | ||
888 | if(pdg != AliCaloPID::kPi0) continue; | |
889 | pt = pi0->Pt(); | |
dd4871cd | 890 | px = pi0->Px(); |
891 | py = pi0->Py(); | |
9415d854 | 892 | if(pt < GetMinPt() || pt > GetMaxPt()) continue ; |
893 | ||
894 | //Selection within angular range | |
895 | phi = pi0->Phi(); | |
dde5a268 | 896 | //Float_t deltaphi = TMath::Abs(phiTrig-phi); |
897 | //if( (deltaphi < fDeltaPhiMinCut) || ( deltaphi > fDeltaPhiMaxCut) ) continue ; | |
898 | Float_t deltaphi = phiTrig-phi; | |
899 | if(deltaphi<-TMath::PiOver2()) deltaphi+=TMath::TwoPi(); | |
900 | if(deltaphi>3*TMath::PiOver2()) deltaphi-=TMath::TwoPi(); | |
901 | ||
9415d854 | 902 | rat = pt/ptTrig ; |
903 | phi = pi0->Phi() ; | |
904 | eta = pi0->Eta() ; | |
dd4871cd | 905 | xE = -(px*pxTrig+py*pyTrig)/(ptTrig*ptTrig); |
906 | if(xE <0.)xE =-xE; | |
907 | cosi = TMath::Log(1/xE); | |
9415d854 | 908 | |
dd4871cd | 909 | fhEtaNeutral->Fill(pt,eta); |
910 | fhPhiNeutral->Fill(pt,phi); | |
9415d854 | 911 | fhDeltaEtaNeutral->Fill(ptTrig,etaTrig-eta); |
912 | fhDeltaPhiNeutral->Fill(ptTrig,deltaphi); | |
123fc3bd | 913 | |
914 | //delta phi cut for correlation | |
915 | if( (deltaphi > fDeltaPhiMinCut) && ( deltaphi < fDeltaPhiMaxCut) ) { | |
916 | fhDeltaPhiNeutralPt->Fill(pt,deltaphi); | |
917 | fhPtImbalanceNeutral->Fill(ptTrig,rat); | |
dd4871cd | 918 | fhPtHbpNeutral->Fill(ptTrig,cosi); |
123fc3bd | 919 | } |
920 | else { | |
921 | fhDeltaPhiUeNeutralPt->Fill(pt,deltaphi); | |
922 | fhPtImbalanceUeNeutral->Fill(ptTrig,rat); | |
dd4871cd | 923 | fhPtHbpUeNeutral->Fill(ptTrig,cosi); |
123fc3bd | 924 | } |
925 | //several UE calculation | |
926 | if(fMakeSeveralUE){ | |
927 | if((deltaphi<-fUeDeltaPhiMinCut) && (deltaphi >-fUeDeltaPhiMaxCut)){ | |
928 | fhDeltaPhiUeLeftNeutral->Fill(pt,deltaphi); | |
929 | fhPtImbalanceUeLeftNeutral->Fill(ptTrig,rat); | |
dd4871cd | 930 | fhPtHbpUeLeftNeutral->Fill(ptTrig,cosi); |
dde5a268 | 931 | } |
123fc3bd | 932 | if((deltaphi>fUeDeltaPhiMinCut) && (deltaphi <fUeDeltaPhiMaxCut)){ |
933 | fhDeltaPhiUeRightNeutral->Fill(pt,deltaphi); | |
934 | fhPtImbalanceUeRightNeutral->Fill(ptTrig,rat); | |
dd4871cd | 935 | fhPtHbpUeRightNeutral->Fill(ptTrig,cosi); |
123fc3bd | 936 | } |
937 | } //several UE calculation | |
938 | ||
dde5a268 | 939 | |
9415d854 | 940 | if(GetDebug() > 2 ) printf("AliAnaParticleHadronCorrelation::MakeNeutralCorrelation() - Selected neutral for momentum imbalance: pt %2.2f, phi %2.2f, eta %2.2f \n",pt,phi,eta); |
941 | ||
942 | }//loop | |
1c5acb87 | 943 | } |
944 | ||
9415d854 | 945 | |
1c5acb87 | 946 | //____________________________________________________________________________ |
947 | Bool_t AliAnaParticleHadronCorrelation::SelectCluster(AliAODCaloCluster * calo, Double_t *vertex, TLorentzVector & mom, Int_t & pdg) const { | |
9415d854 | 948 | //Select cluster depending on its pid and acceptance selections |
949 | ||
950 | //Skip matched clusters with tracks | |
12524a23 | 951 | if(calo->GetNTracksMatched() > 0) return kFALSE; |
9415d854 | 952 | |
12524a23 | 953 | TString detector = ""; |
954 | if(calo->IsPHOSCluster()) detector= "PHOS"; | |
955 | else if(calo->IsEMCALCluster()) detector= "EMCAL"; | |
956 | ||
9415d854 | 957 | //Check PID |
958 | calo->GetMomentum(mom,vertex);//Assume that come from vertex in straight line | |
959 | pdg = AliCaloPID::kPhoton; | |
960 | if(IsCaloPIDOn()){ | |
961 | //Get most probable PID, 2 options check PID weights (in MC this option is mandatory) | |
962 | //or redo PID, recommended option for EMCal. | |
9415d854 | 963 | |
964 | if(!IsCaloPIDRecalculationOn() || GetReader()->GetDataType() == AliCaloTrackReader::kMC ) | |
965 | pdg = GetCaloPID()->GetPdg(detector,calo->PID(),mom.E());//PID with weights | |
966 | else | |
967 | pdg = GetCaloPID()->GetPdg(detector,mom,calo);//PID recalculated | |
968 | ||
969 | if(GetDebug() > 5) printf("AliAnaParticleHadronCorrelation::SelectCluster() - PDG of identified particle %d\n",pdg); | |
970 | ||
971 | //If it does not pass pid, skip | |
12524a23 | 972 | if(pdg != AliCaloPID::kPhoton && pdg != AliCaloPID::kPi0) { |
9415d854 | 973 | return kFALSE ; |
974 | } | |
12524a23 | 975 | }//PID on |
9415d854 | 976 | |
977 | //Check acceptance selection | |
ff45398a | 978 | if(IsFiducialCutOn()){ |
979 | Bool_t in = GetFiducialCut()->IsInFiducialCut(mom,detector) ; | |
12524a23 | 980 | if(! in ) return kFALSE ; |
9415d854 | 981 | } |
982 | ||
983 | if(GetDebug() > 5) printf("AliAnaParticleHadronCorrelation::SelectCluster() - Correlation photon selection cuts passed: pT %3.2f, pdg %d\n",mom.Pt(), pdg); | |
984 | ||
985 | return kTRUE; | |
986 | ||
987 | } |