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1 | /************************************************************************** |
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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 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: AliAnaPhoton.cxx 28688 2008-09-11 15:04:07Z gconesab $ */ |
16 | |
17 | //_________________________________________________________________________ |
18 | // |
19 | // Class for the photon identification. |
20 | // Clusters from calorimeters are identified as photons |
21 | // and kept in the AOD. Few histograms produced. |
22 | // |
23 | // -- Author: Gustavo Conesa (LNF-INFN) |
24 | ////////////////////////////////////////////////////////////////////////////// |
25 | |
26 | |
27 | // --- ROOT system --- |
28 | #include <TH2F.h> |
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29 | #include <TClonesArray.h> |
30 | #include <TObjString.h> |
31 | //#include <Riostream.h> |
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32 | #include "TParticle.h" |
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33 | |
34 | // --- Analysis system --- |
35 | #include "AliAnaPhoton.h" |
36 | #include "AliCaloTrackReader.h" |
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37 | #include "AliStack.h" |
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38 | #include "AliCaloPID.h" |
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39 | #include "AliMCAnalysisUtils.h" |
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40 | #include "AliFidutialCut.h" |
41 | #include "AliAODCaloCluster.h" |
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42 | #include "AliAODMCParticle.h" |
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43 | |
44 | ClassImp(AliAnaPhoton) |
45 | |
46 | //____________________________________________________________________________ |
47 | AliAnaPhoton::AliAnaPhoton() : |
48 | AliAnaPartCorrBaseClass(), fCalorimeter(""), |
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49 | fMinDist(0.),fMinDist2(0.),fMinDist3(0.),fRejectTrackMatch(0), |
50 | fhPtPhoton(0),fhPhiPhoton(0),fhEtaPhoton(0), |
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51 | //MC |
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52 | fhDeltaE(0), fhDeltaPt(0),fhRatioE(0), fhRatioPt(0),fh2E(0),fh2Pt(0), |
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53 | fhPtMCPhoton(0),fhPhiMCPhoton(0),fhEtaMCPhoton(0), |
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54 | fhPtPrompt(0),fhPhiPrompt(0),fhEtaPrompt(0), |
55 | fhPtFragmentation(0),fhPhiFragmentation(0),fhEtaFragmentation(0), |
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56 | fhPtISR(0),fhPhiISR(0),fhEtaISR(0), |
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57 | fhPtPi0Decay(0),fhPhiPi0Decay(0),fhEtaPi0Decay(0), |
58 | fhPtOtherDecay(0),fhPhiOtherDecay(0),fhEtaOtherDecay(0), |
59 | fhPtConversion(0),fhPhiConversion(0),fhEtaConversion(0), |
60 | fhPtUnknown(0),fhPhiUnknown(0),fhEtaUnknown(0) |
61 | { |
62 | //default ctor |
63 | |
64 | //Initialize parameters |
65 | InitParameters(); |
66 | |
67 | } |
68 | |
69 | //____________________________________________________________________________ |
70 | AliAnaPhoton::AliAnaPhoton(const AliAnaPhoton & g) : |
71 | AliAnaPartCorrBaseClass(g), fCalorimeter(g.fCalorimeter), |
72 | fMinDist(g.fMinDist),fMinDist2(g.fMinDist2), fMinDist3(g.fMinDist3), |
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73 | fRejectTrackMatch(g.fRejectTrackMatch), |
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74 | fhPtPhoton(g.fhPtPhoton),fhPhiPhoton(g.fhPhiPhoton),fhEtaPhoton(g.fhEtaPhoton), |
75 | //MC |
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76 | fhDeltaE(g.fhDeltaE), fhDeltaPt(g.fhDeltaPt), |
77 | fhRatioE(g.fhRatioE), fhRatioPt(g.fhRatioPt), |
78 | fh2E(g.fh2E), fh2Pt(g.fh2Pt), |
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79 | fhPtMCPhoton(g.fhPtMCPhoton),fhPhiMCPhoton(g.fhPhiMCPhoton),fhEtaMCPhoton(g.fhEtaMCPhoton), |
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80 | fhPtPrompt(g.fhPtPrompt),fhPhiPrompt(g.fhPhiPrompt),fhEtaPrompt(g.fhEtaPrompt), |
81 | fhPtFragmentation(g.fhPtFragmentation),fhPhiFragmentation(g.fhPhiFragmentation),fhEtaFragmentation(g.fhEtaFragmentation), |
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82 | fhPtISR(g.fhPtISR),fhPhiISR(g.fhPhiISR),fhEtaISR(g.fhEtaISR), |
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83 | fhPtPi0Decay(g.fhPtPi0Decay),fhPhiPi0Decay(g.fhPhiPi0Decay),fhEtaPi0Decay(g.fhEtaPi0Decay), |
84 | fhPtOtherDecay(g.fhPtOtherDecay),fhPhiOtherDecay(g.fhPhiOtherDecay),fhEtaOtherDecay(g.fhEtaOtherDecay), |
85 | fhPtConversion(g. fhPtConversion),fhPhiConversion(g.fhPhiConversion),fhEtaConversion(g.fhEtaConversion), |
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86 | fhPtUnknown(g.fhPtUnknown),fhPhiUnknown(g.fhPhiUnknown),fhEtaUnknown(g.fhEtaUnknown) |
87 | |
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88 | { |
89 | // cpy ctor |
90 | |
91 | } |
92 | |
93 | //_________________________________________________________________________ |
94 | AliAnaPhoton & AliAnaPhoton::operator = (const AliAnaPhoton & g) |
95 | { |
96 | // assignment operator |
97 | |
98 | if(&g == this) return *this; |
99 | |
100 | fCalorimeter = g.fCalorimeter ; |
101 | fMinDist = g.fMinDist; |
102 | fMinDist2 = g.fMinDist2; |
103 | fMinDist3 = g.fMinDist3; |
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104 | fRejectTrackMatch = g.fRejectTrackMatch; |
105 | |
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106 | fhPtPhoton = g.fhPtPhoton ; |
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107 | fhPhiPhoton = g.fhPhiPhoton ; |
108 | fhEtaPhoton = g.fhEtaPhoton ; |
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109 | |
110 | fhDeltaE = g.fhDeltaE; |
111 | fhDeltaPt = g.fhDeltaPt; |
112 | fhRatioE = g.fhRatioE; |
113 | fhRatioPt = g.fhRatioPt; |
114 | fh2E = g.fh2E; |
115 | fh2Pt = g.fh2Pt; |
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116 | |
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117 | fhPtMCPhoton = g.fhPtMCPhoton ; |
118 | fhPhiMCPhoton = g.fhPhiMCPhoton ; |
119 | fhEtaMCPhoton = g.fhEtaMCPhoton ; |
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120 | fhPtPrompt = g.fhPtPrompt; |
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121 | fhPhiPrompt = g.fhPhiPrompt; |
122 | fhEtaPrompt = g.fhEtaPrompt; |
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123 | fhPtFragmentation = g.fhPtFragmentation; |
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124 | fhPhiFragmentation = g.fhPhiFragmentation; |
125 | fhEtaFragmentation = g.fhEtaFragmentation; |
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126 | fhPtISR = g.fhPtISR; |
127 | fhPhiISR = g.fhPhiISR; |
128 | fhEtaISR = g.fhEtaISR; |
129 | fhPtPi0Decay = g.fhPtPi0Decay; |
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130 | fhPhiPi0Decay = g.fhPhiPi0Decay; |
131 | fhEtaPi0Decay = g.fhEtaPi0Decay; |
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132 | fhPtOtherDecay = g.fhPtOtherDecay; |
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133 | fhPhiOtherDecay = g.fhPhiOtherDecay; |
134 | fhEtaOtherDecay = g.fhEtaOtherDecay; |
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135 | fhPtConversion = g. fhPtConversion; |
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136 | fhPhiConversion = g.fhPhiConversion; |
137 | fhEtaConversion = g.fhEtaConversion; |
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138 | fhPtUnknown = g.fhPtUnknown; |
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139 | fhPhiUnknown = g.fhPhiUnknown; |
140 | fhEtaUnknown = g.fhEtaUnknown; |
141 | |
142 | return *this; |
143 | |
144 | } |
145 | |
146 | //____________________________________________________________________________ |
147 | AliAnaPhoton::~AliAnaPhoton() |
148 | { |
149 | //dtor |
150 | |
151 | } |
152 | |
153 | |
154 | //________________________________________________________________________ |
155 | TList * AliAnaPhoton::GetCreateOutputObjects() |
156 | { |
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157 | // Create histograms to be saved in output file and |
158 | // store them in outputContainer |
159 | TList * outputContainer = new TList() ; |
160 | outputContainer->SetName("PhotonHistos") ; |
161 | |
162 | Int_t nptbins = GetHistoNPtBins(); |
163 | Int_t nphibins = GetHistoNPhiBins(); |
164 | Int_t netabins = GetHistoNEtaBins(); |
165 | Float_t ptmax = GetHistoPtMax(); |
166 | Float_t phimax = GetHistoPhiMax(); |
167 | Float_t etamax = GetHistoEtaMax(); |
168 | Float_t ptmin = GetHistoPtMin(); |
169 | Float_t phimin = GetHistoPhiMin(); |
170 | Float_t etamin = GetHistoEtaMin(); |
171 | |
172 | //Histograms of highest Photon identified in Event |
173 | fhPtPhoton = new TH1F("hPtPhoton","Number of #gamma over calorimeter",nptbins,ptmin,ptmax); |
174 | fhPtPhoton->SetYTitle("N"); |
175 | fhPtPhoton->SetXTitle("p_{T #gamma}(GeV/c)"); |
176 | outputContainer->Add(fhPtPhoton) ; |
177 | |
178 | fhPhiPhoton = new TH2F |
179 | ("hPhiPhoton","#phi_{#gamma}",nptbins,ptmin,ptmax,nphibins,phimin,phimax); |
180 | fhPhiPhoton->SetYTitle("#phi"); |
181 | fhPhiPhoton->SetXTitle("p_{T #gamma} (GeV/c)"); |
182 | outputContainer->Add(fhPhiPhoton) ; |
183 | |
184 | fhEtaPhoton = new TH2F |
185 | ("hEtaPhoton","#phi_{#gamma}",nptbins,ptmin,ptmax,netabins,etamin,etamax); |
186 | fhEtaPhoton->SetYTitle("#eta"); |
187 | fhEtaPhoton->SetXTitle("p_{T #gamma} (GeV/c)"); |
188 | outputContainer->Add(fhEtaPhoton) ; |
189 | |
190 | if(IsDataMC()){ |
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191 | fhDeltaE = new TH1F ("hDeltaE","MC - Reco E ", 200,-50,50); |
192 | fhDeltaE->SetXTitle("#Delta E (GeV)"); |
193 | outputContainer->Add(fhDeltaE); |
194 | |
195 | fhDeltaPt = new TH1F ("hDeltaPt","MC - Reco p_{T} ", 200,-50,50); |
196 | fhDeltaPt->SetXTitle("#Delta p_{T} (GeV/c)"); |
197 | outputContainer->Add(fhDeltaPt); |
198 | |
199 | fhRatioE = new TH1F ("hRatioE","Reco/MC E ", 200,0,2); |
200 | fhRatioE->SetXTitle("E_{reco}/E_{gen}"); |
201 | outputContainer->Add(fhRatioE); |
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202 | |
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203 | fhRatioPt = new TH1F ("hRatioPt","Reco/MC p_{T} ", 200,0,2); |
204 | fhRatioPt->SetXTitle("p_{T, reco}/p_{T, gen}"); |
205 | outputContainer->Add(fhRatioPt); |
206 | |
207 | fh2E = new TH2F ("h2E","E distribution, reconstructed vs generated", nptbins,ptmin,ptmax,nptbins,ptmin,ptmax); |
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208 | fh2E->SetXTitle("E_{rec} (GeV)"); |
209 | fh2E->SetYTitle("E_{gen} (GeV)"); |
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210 | outputContainer->Add(fh2E); |
211 | |
212 | fh2Pt = new TH2F ("h2Pt","p_T distribution, reconstructed vs generated", nptbins,ptmin,ptmax,nptbins,ptmin,ptmax); |
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213 | fh2Pt->SetXTitle("p_{T,rec} (GeV/c)"); |
214 | fh2Pt->SetYTitle("p_{T,gen} (GeV/c)"); |
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215 | outputContainer->Add(fh2Pt); |
216 | |
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217 | fhPtMCPhoton = new TH1F("hPtMCPhoton","Number of #gamma over calorimeter",nptbins,ptmin,ptmax); |
218 | fhPtMCPhoton->SetYTitle("N"); |
219 | fhPtMCPhoton->SetXTitle("p_{T #gamma}(GeV/c)"); |
220 | outputContainer->Add(fhPtMCPhoton) ; |
221 | |
222 | fhPhiMCPhoton = new TH2F |
223 | ("hPhiMCPhoton","#phi_{#gamma}",nptbins,ptmin,ptmax,nphibins,phimin,phimax); |
224 | fhPhiMCPhoton->SetYTitle("#phi"); |
225 | fhPhiMCPhoton->SetXTitle("p_{T #gamma} (GeV/c)"); |
226 | outputContainer->Add(fhPhiMCPhoton) ; |
227 | |
228 | fhEtaMCPhoton = new TH2F |
229 | ("hEtaMCPhoton","#phi_{#gamma}",nptbins,ptmin,ptmax,netabins,etamin,etamax); |
230 | fhEtaMCPhoton->SetYTitle("#eta"); |
231 | fhEtaMCPhoton->SetXTitle("p_{T #gamma} (GeV/c)"); |
232 | outputContainer->Add(fhEtaMCPhoton) ; |
233 | |
234 | fhPtPrompt = new TH1F("hPtMCPrompt","Number of prompt #gamma over calorimeter",nptbins,ptmin,ptmax); |
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235 | fhPtPrompt->SetYTitle("N"); |
236 | fhPtPrompt->SetXTitle("p_{T #gamma}(GeV/c)"); |
237 | outputContainer->Add(fhPtPrompt) ; |
238 | |
239 | fhPhiPrompt = new TH2F |
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240 | ("hPhiMCPrompt","#phi_{#gamma}",nptbins,ptmin,ptmax,nphibins,phimin,phimax); |
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241 | fhPhiPrompt->SetYTitle("#phi"); |
242 | fhPhiPrompt->SetXTitle("p_{T #gamma} (GeV/c)"); |
243 | outputContainer->Add(fhPhiPrompt) ; |
244 | |
245 | fhEtaPrompt = new TH2F |
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246 | ("hEtaMCPrompt","#phi_{#gamma}",nptbins,ptmin,ptmax,netabins,etamin,etamax); |
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247 | fhEtaPrompt->SetYTitle("#eta"); |
248 | fhEtaPrompt->SetXTitle("p_{T #gamma} (GeV/c)"); |
249 | outputContainer->Add(fhEtaPrompt) ; |
250 | |
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251 | fhPtFragmentation = new TH1F("hPtMCFragmentation","Number of fragmentation #gamma over calorimeter",nptbins,ptmin,ptmax); |
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252 | fhPtFragmentation->SetYTitle("N"); |
253 | fhPtFragmentation->SetXTitle("p_{T #gamma}(GeV/c)"); |
254 | outputContainer->Add(fhPtFragmentation) ; |
255 | |
256 | fhPhiFragmentation = new TH2F |
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257 | ("hPhiMCFragmentation","#phi_{#gamma}",nptbins,ptmin,ptmax,nphibins,phimin,phimax); |
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258 | fhPhiFragmentation->SetYTitle("#phi"); |
259 | fhPhiFragmentation->SetXTitle("p_{T #gamma} (GeV/c)"); |
260 | outputContainer->Add(fhPhiFragmentation) ; |
261 | |
262 | fhEtaFragmentation = new TH2F |
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263 | ("hEtaMCFragmentation","#phi_{#gamma}",nptbins,ptmin,ptmax,netabins,etamin,etamax); |
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264 | fhEtaFragmentation->SetYTitle("#eta"); |
265 | fhEtaFragmentation->SetXTitle("p_{T #gamma} (GeV/c)"); |
266 | outputContainer->Add(fhEtaFragmentation) ; |
267 | |
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268 | fhPtISR = new TH1F("hPtMCISR","Number of initial state radiation #gamma over calorimeter",nptbins,ptmin,ptmax); |
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269 | fhPtISR->SetYTitle("N"); |
270 | fhPtISR->SetXTitle("p_{T #gamma}(GeV/c)"); |
271 | outputContainer->Add(fhPtISR) ; |
272 | |
273 | fhPhiISR = new TH2F |
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274 | ("hPhiMCISR","#phi_{#gamma} initial state radiation",nptbins,ptmin,ptmax,nphibins,phimin,phimax); |
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275 | fhPhiISR->SetYTitle("#phi"); |
276 | fhPhiISR->SetXTitle("p_{T #gamma} (GeV/c)"); |
277 | outputContainer->Add(fhPhiISR) ; |
278 | |
279 | fhEtaISR = new TH2F |
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280 | ("hEtaMCISR","#phi_{#gamma} initial state radiation",nptbins,ptmin,ptmax,netabins,etamin,etamax); |
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281 | fhEtaISR->SetYTitle("#eta"); |
282 | fhEtaISR->SetXTitle("p_{T #gamma} (GeV/c)"); |
283 | outputContainer->Add(fhEtaISR) ; |
284 | |
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285 | fhPtPi0Decay = new TH1F("hPtMCPi0Decay","Number of #gamma over calorimeter",nptbins,ptmin,ptmax); |
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286 | fhPtPi0Decay->SetYTitle("N"); |
287 | fhPtPi0Decay->SetXTitle("p_{T #gamma}(GeV/c)"); |
288 | outputContainer->Add(fhPtPi0Decay) ; |
289 | |
290 | fhPhiPi0Decay = new TH2F |
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291 | ("hPhiMCPi0Decay","#phi_{#gamma}",nptbins,ptmin,ptmax,nphibins,phimin,phimax); |
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292 | fhPhiPi0Decay->SetYTitle("#phi"); |
293 | fhPhiPi0Decay->SetXTitle("p_{T #gamma} (GeV/c)"); |
294 | outputContainer->Add(fhPhiPi0Decay) ; |
295 | |
296 | fhEtaPi0Decay = new TH2F |
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297 | ("hEtaMCPi0Decay","#phi_{#gamma}",nptbins,ptmin,ptmax,netabins,etamin,etamax); |
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298 | fhEtaPi0Decay->SetYTitle("#eta"); |
299 | fhEtaPi0Decay->SetXTitle("p_{T #gamma} (GeV/c)"); |
300 | outputContainer->Add(fhEtaPi0Decay) ; |
301 | |
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302 | fhPtOtherDecay = new TH1F("hPtMCOtherDecay","Number of #gamma over calorimeter",nptbins,ptmin,ptmax); |
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303 | fhPtOtherDecay->SetYTitle("N"); |
304 | fhPtOtherDecay->SetXTitle("p_{T #gamma}(GeV/c)"); |
305 | outputContainer->Add(fhPtOtherDecay) ; |
306 | |
307 | fhPhiOtherDecay = new TH2F |
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308 | ("hPhiMCOtherDecay","#phi_{#gamma}",nptbins,ptmin,ptmax,nphibins,phimin,phimax); |
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309 | fhPhiOtherDecay->SetYTitle("#phi"); |
310 | fhPhiOtherDecay->SetXTitle("p_{T #gamma} (GeV/c)"); |
311 | outputContainer->Add(fhPhiOtherDecay) ; |
312 | |
313 | fhEtaOtherDecay = new TH2F |
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314 | ("hEtaMCOtherDecay","#phi_{#gamma}",nptbins,ptmin,ptmax,netabins,etamin,etamax); |
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315 | fhEtaOtherDecay->SetYTitle("#eta"); |
316 | fhEtaOtherDecay->SetXTitle("p_{T #gamma} (GeV/c)"); |
317 | outputContainer->Add(fhEtaOtherDecay) ; |
318 | |
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319 | fhPtConversion = new TH1F("hPtMCConversion","Number of #gamma over calorimeter",nptbins,ptmin,ptmax); |
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320 | fhPtConversion->SetYTitle("N"); |
321 | fhPtConversion->SetXTitle("p_{T #gamma}(GeV/c)"); |
322 | outputContainer->Add(fhPtConversion) ; |
323 | |
324 | fhPhiConversion = new TH2F |
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325 | ("hPhiMCConversion","#phi_{#gamma}",nptbins,ptmin,ptmax,nphibins,phimin,phimax); |
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326 | fhPhiConversion->SetYTitle("#phi"); |
327 | fhPhiConversion->SetXTitle("p_{T #gamma} (GeV/c)"); |
328 | outputContainer->Add(fhPhiConversion) ; |
329 | |
330 | fhEtaConversion = new TH2F |
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331 | ("hEtaMCConversion","#phi_{#gamma}",nptbins,ptmin,ptmax,netabins,etamin,etamax); |
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332 | fhEtaConversion->SetYTitle("#eta"); |
333 | fhEtaConversion->SetXTitle("p_{T #gamma} (GeV/c)"); |
334 | outputContainer->Add(fhEtaConversion) ; |
335 | |
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336 | fhPtUnknown = new TH1F("hPtMCUnknown","Number of #gamma over calorimeter",nptbins,ptmin,ptmax); |
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337 | fhPtUnknown->SetYTitle("N"); |
338 | fhPtUnknown->SetXTitle("p_{T #gamma}(GeV/c)"); |
339 | outputContainer->Add(fhPtUnknown) ; |
340 | |
341 | fhPhiUnknown = new TH2F |
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342 | ("hPhiMCUnknown","#phi_{#gamma}",nptbins,ptmin,ptmax,nphibins,phimin,phimax); |
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343 | fhPhiUnknown->SetYTitle("#phi"); |
344 | fhPhiUnknown->SetXTitle("p_{T #gamma} (GeV/c)"); |
345 | outputContainer->Add(fhPhiUnknown) ; |
346 | |
347 | fhEtaUnknown = new TH2F |
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348 | ("hEtaMCUnknown","#phi_{#gamma}",nptbins,ptmin,ptmax,netabins,etamin,etamax); |
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349 | fhEtaUnknown->SetYTitle("#eta"); |
350 | fhEtaUnknown->SetXTitle("p_{T #gamma} (GeV/c)"); |
351 | outputContainer->Add(fhEtaUnknown) ; |
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352 | |
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353 | }//Histos with MC |
354 | |
355 | //Save parameters used for analysis |
356 | TString parList ; //this will be list of parameters used for this analysis. |
357 | char onePar[255] ; |
358 | |
359 | sprintf(onePar,"--- AliAnaPhoton ---\n") ; |
360 | parList+=onePar ; |
361 | sprintf(onePar,"Calorimeter: %s\n",fCalorimeter.Data()) ; |
362 | parList+=onePar ; |
363 | sprintf(onePar,"fMinDist =%2.2f (Minimal distance to bad channel to accept cluster) \n",fMinDist) ; |
364 | parList+=onePar ; |
365 | sprintf(onePar,"fMinDist2=%2.2f (Cuts on Minimal distance to study acceptance evaluation) \n",fMinDist2) ; |
366 | parList+=onePar ; |
367 | sprintf(onePar,"fMinDist3=%2.2f (One more cut on distance used for acceptance-efficiency study) \n",fMinDist3) ; |
368 | parList+=onePar ; |
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369 | sprintf(onePar,"fRejectTrackMatch: %d\n",fRejectTrackMatch) ; |
370 | parList+=onePar ; |
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371 | |
372 | //Get parameters set in base class. |
373 | parList += GetBaseParametersList() ; |
374 | |
375 | //Get parameters set in PID class. |
376 | parList += GetCaloPID()->GetPIDParametersList() ; |
377 | |
378 | //Get parameters set in FidutialCut class (not available yet) |
379 | //parlist += GetFidCut()->GetFidCutParametersList() |
380 | |
381 | TObjString *oString= new TObjString(parList) ; |
382 | outputContainer->Add(oString); |
383 | |
384 | return outputContainer ; |
385 | |
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386 | } |
387 | |
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388 | //____________________________________________________________________________ |
389 | void AliAnaPhoton::Init() |
390 | { |
391 | |
392 | //Init |
393 | //Do some checks |
394 | if(fCalorimeter == "PHOS" && !GetReader()->IsPHOSSwitchedOn()){ |
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395 | printf("AliAnaPhoton::Init() - !!STOP: You want to use PHOS in analysis but it is not read!! \n!!Check the configuration file!!\n"); |
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396 | abort(); |
397 | } |
398 | else if(fCalorimeter == "EMCAL" && !GetReader()->IsEMCALSwitchedOn()){ |
591cc579 |
399 | printf("AliAnaPhoton::Init() - !!STOP: You want to use EMCAL in analysis but it is not read!! \n!!Check the configuration file!!\n"); |
6639984f |
400 | abort(); |
401 | } |
402 | |
403 | } |
404 | |
405 | |
1c5acb87 |
406 | //____________________________________________________________________________ |
407 | void AliAnaPhoton::InitParameters() |
408 | { |
409 | |
410 | //Initialize the parameters of the analysis. |
411 | SetOutputAODClassName("AliAODPWG4Particle"); |
a3aebfff |
412 | SetOutputAODName("PWG4Particle"); |
413 | |
414 | AddToHistogramsName("AnaPhoton_"); |
415 | |
1c5acb87 |
416 | fCalorimeter = "PHOS" ; |
417 | fMinDist = 2.; |
418 | fMinDist2 = 4.; |
419 | fMinDist3 = 5.; |
a3aebfff |
420 | fRejectTrackMatch = kTRUE ; |
1c5acb87 |
421 | } |
422 | |
423 | //__________________________________________________________________ |
424 | void AliAnaPhoton::MakeAnalysisFillAOD() |
425 | { |
477d6cee |
426 | //Do analysis and fill aods |
427 | //Search for photons in fCalorimeter |
591cc579 |
428 | TObjArray * pl = new TObjArray(); |
477d6cee |
429 | |
430 | //Get vertex for photon momentum calculation |
431 | Double_t vertex[]={0,0,0} ; //vertex ; |
432 | if(!GetReader()->GetDataType()== AliCaloTrackReader::kMC) GetReader()->GetVertex(vertex); |
433 | //Select the Calorimeter of the photon |
434 | if(fCalorimeter == "PHOS") |
435 | pl = GetAODPHOS(); |
436 | else if (fCalorimeter == "EMCAL") |
437 | pl = GetAODEMCAL(); |
438 | |
439 | //Fill AODCaloClusters and AODParticle with PHOS aods |
440 | TLorentzVector mom ; |
441 | |
442 | for(Int_t icalo = 0; icalo < pl->GetEntriesFast(); icalo++){ |
443 | AliAODCaloCluster * calo = (AliAODCaloCluster*) (pl->At(icalo)); |
444 | //Cluster selection, not charged, with photon id and in fidutial cut |
445 | //Get Momentum vector, |
446 | calo->GetMomentum(mom,vertex);//Assume that come from vertex in straight line |
447 | //If too small or big pt, skip it |
448 | if(mom.Pt() < GetMinPt() || mom.Pt() > GetMaxPt() ) continue ; |
591cc579 |
449 | |
450 | //printf("AliAnaPhoton::Current Event %d; Current File Name : %s, E %f, pT %f, Ecl %f\n",GetReader()->GetEventNumber(),(GetReader()->GetCurrentFileName()).Data(), mom.E(), mom.Pt(),calo->E()); |
451 | |
477d6cee |
452 | //Check acceptance selection |
453 | if(IsFidutialCutOn()){ |
454 | Bool_t in = GetFidutialCut()->IsInFidutialCut(mom,fCalorimeter) ; |
455 | if(! in ) continue ; |
456 | } |
591cc579 |
457 | |
458 | //Input from second AOD? |
459 | Int_t input = 0; |
460 | if (fCalorimeter == "EMCAL" && GetReader()->GetAODEMCALNormalInputEntries() <= icalo) input = 1; |
461 | else if(fCalorimeter == "PHOS" && GetReader()->GetAODPHOSNormalInputEntries() <= icalo) input = 1; |
462 | |
463 | //Create AOD for analysis |
477d6cee |
464 | AliAODPWG4Particle aodph = AliAODPWG4Particle(mom); |
591cc579 |
465 | Int_t label = calo->GetLabel(0); |
466 | if(input == 1) label+=GetLabelShift(); |
467 | aodph.SetLabel(label); |
477d6cee |
468 | //printf("Index %d, Id %d\n",icalo, calo->GetID()); |
469 | //Set the indeces of the original caloclusters |
470 | aodph.SetCaloLabel(calo->GetID(),-1); |
471 | aodph.SetDetector(fCalorimeter); |
472 | if(GetDebug() > 1) |
a3aebfff |
473 | printf("AliAnaPhoton::MakeAnalysisFillAOD() - Min pt cut and fidutial cut passed: pt %3.2f, phi %2.2f, eta %1.2f\n",aodph.Pt(),aodph.Phi(),aodph.Eta()); |
477d6cee |
474 | |
475 | //Check Distance to Bad channel, set bit. |
476 | Double_t distBad=calo->GetDistToBadChannel() ; //Distance to bad channel |
477 | if(distBad < 0.) distBad=9999. ; //workout strange convension dist = -1. ; |
478 | if(distBad < fMinDist) //In bad channel (PHOS cristal size 2.2x2.2 cm) |
479 | continue ; |
480 | |
a3aebfff |
481 | if(GetDebug() > 1) printf("AliAnaPhoton::MakeAnalysisFillAOD() - Bad channel cut passed %4.2f\n",distBad); |
477d6cee |
482 | |
483 | if(distBad > fMinDist3) aodph.SetDistToBad(2) ; |
484 | else if(distBad > fMinDist2) aodph.SetDistToBad(1) ; |
485 | else aodph.SetDistToBad(0) ; |
486 | |
487 | //Check PID |
488 | //PID selection or bit setting |
489 | if(GetReader()->GetDataType() == AliCaloTrackReader::kMC){ |
490 | //Get most probable PID, check PID weights (in MC this option is mandatory) |
491 | aodph.SetPdg(GetCaloPID()->GetPdg(fCalorimeter,calo->PID(),mom.E()));//PID with weights |
a3aebfff |
492 | if(GetDebug() > 1) printf("AliAnaPhoton::MakeAnalysisFillAOD() - PDG of identified particle %d\n",aodph.GetPdg()); |
477d6cee |
493 | //If primary is not photon, skip it. |
494 | if(aodph.GetPdg() != AliCaloPID::kPhoton) continue ; |
495 | } |
496 | else if(IsCaloPIDOn()){ |
497 | //Skip matched clusters with tracks |
a3aebfff |
498 | if(fRejectTrackMatch && calo->GetNTracksMatched() > 0) continue ; |
477d6cee |
499 | |
500 | //Get most probable PID, 2 options check PID weights |
501 | //or redo PID, recommended option for EMCal. |
502 | if(!IsCaloPIDRecalculationOn()) |
503 | aodph.SetPdg(GetCaloPID()->GetPdg(fCalorimeter,calo->PID(),mom.E()));//PID with weights |
504 | else |
505 | aodph.SetPdg(GetCaloPID()->GetPdg(fCalorimeter,mom,calo));//PID recalculated |
506 | |
a3aebfff |
507 | if(GetDebug() > 1) printf("AliAnaPhoton::MakeAnalysisFillAOD() - PDG of identified particle %d\n",aodph.GetPdg()); |
477d6cee |
508 | |
509 | //If cluster does not pass pid, not photon, skip it. |
510 | if(aodph.GetPdg() != AliCaloPID::kPhoton) continue ; |
511 | |
512 | } |
513 | else{ |
514 | //Set PID bits for later selection (AliAnaPi0 for example) |
515 | //GetPDG already called in SetPIDBits. |
516 | GetCaloPID()->SetPIDBits(fCalorimeter,calo,&aodph); |
a3aebfff |
517 | if(GetDebug() > 1) printf("AliAnaPhoton::MakeAnalysisFillAOD() - PID Bits set \n"); |
477d6cee |
518 | } |
519 | |
a3aebfff |
520 | if(GetDebug() > 1) printf("AliAnaPhoton::MakeAnalysisFillAOD() - Photon selection cuts passed: pT %3.2f, pdg %d\n",aodph.Pt(), aodph.GetPdg()); |
477d6cee |
521 | |
522 | //Play with the MC stack if available |
523 | //Check origin of the candidates |
524 | if(IsDataMC()){ |
591cc579 |
525 | |
526 | aodph.SetTag(GetMCAnalysisUtils()->CheckOrigin(calo->GetLabel(0),GetReader(), input)); |
527 | if(GetDebug() > 0) printf("AliAnaPhoton::MakeAnalysisFillAOD() - Origin of candidate, bit map %d\n",aodph.GetTag()); |
477d6cee |
528 | }//Work with stack also |
529 | |
530 | //Add AOD with photon object to aod branch |
531 | AddAODParticle(aodph); |
532 | |
533 | }//loop |
534 | |
a3aebfff |
535 | if(GetDebug() > 1) printf("AliAnaPhoton::MakeAnalysisFillAOD() End fill AODs \n"); |
477d6cee |
536 | |
1c5acb87 |
537 | } |
538 | |
539 | //__________________________________________________________________ |
540 | void AliAnaPhoton::MakeAnalysisFillHistograms() |
541 | { |
123fc3bd |
542 | //Do analysis and fill histograms |
543 | |
591cc579 |
544 | // Access MC information in stack if requested, check that it exists. |
545 | AliStack * stack = 0x0; |
546 | TParticle * primary = 0x0; |
547 | TClonesArray * mcparticles0 = 0x0; |
548 | TClonesArray * mcparticles1 = 0x0; |
549 | AliAODMCParticle * aodprimary = 0x0; |
550 | if(IsDataMC()){ |
551 | |
552 | if(GetReader()->ReadStack()){ |
553 | stack = GetMCStack() ; |
554 | if(!stack) { |
555 | printf("AliAnaPhoton::MakeAnalysisFillHistograms() - Stack not available, is the MC handler called? STOP\n"); |
556 | abort(); |
557 | } |
558 | |
559 | } |
560 | else if(GetReader()->ReadAODMCParticles()){ |
561 | |
562 | //Get the list of MC particles |
563 | mcparticles0 = GetReader()->GetAODMCParticles(0); |
564 | if(!mcparticles0 && GetDebug() > 0) { |
565 | printf("AliAnaPhoton::MakeAnalysisFillHistograms() - Standard MCParticles not available!\n"); |
566 | } |
567 | if(GetReader()->GetSecondInputAODTree()){ |
568 | mcparticles1 = GetReader()->GetAODMCParticles(1); |
569 | if(!mcparticles1 && GetDebug() > 0) { |
570 | printf("AliAnaPhoton::MakeAnalysisFillHistograms() - Second input MCParticles not available!\n"); |
571 | } |
572 | } |
573 | |
574 | } |
575 | }// is data and MC |
576 | |
123fc3bd |
577 | //Loop on stored AOD photons |
578 | Int_t naod = GetOutputAODBranch()->GetEntriesFast(); |
579 | if(GetDebug() > 0) printf("AliAnaPhoton::MakeAnalysisFillHistograms() - aod branch entries %d\n", naod); |
580 | |
581 | for(Int_t iaod = 0; iaod < naod ; iaod++){ |
477d6cee |
582 | AliAODPWG4Particle* ph = (AliAODPWG4Particle*) (GetOutputAODBranch()->At(iaod)); |
583 | Int_t pdg = ph->GetPdg(); |
584 | |
585 | if(GetDebug() > 3) |
a3aebfff |
586 | printf("AliAnaPhoton::MakeAnalysisFillHistograms() - PDG %d, MC TAG %d, Calorimeter %s\n", ph->GetPdg(),ph->GetTag(), (ph->GetDetector()).Data()) ; |
477d6cee |
587 | |
588 | //If PID used, fill histos with photons in Calorimeter fCalorimeter |
123fc3bd |
589 | if(IsCaloPIDOn() && pdg != AliCaloPID::kPhoton) continue; |
477d6cee |
590 | if(ph->GetDetector() != fCalorimeter) continue; |
591 | |
591cc579 |
592 | if(GetDebug() > 2) |
a3aebfff |
593 | printf("AliAnaPhoton::MakeAnalysisFillHistograms() - ID Photon: pt %f, phi %f, eta %f\n", ph->Pt(),ph->Phi(),ph->Eta()) ; |
477d6cee |
594 | |
595 | //Fill photon histograms |
123fc3bd |
596 | Float_t ptcluster = ph->Pt(); |
477d6cee |
597 | Float_t phicluster = ph->Phi(); |
598 | Float_t etacluster = ph->Eta(); |
123fc3bd |
599 | Float_t ecluster = ph->E(); |
600 | |
601 | fhPtPhoton ->Fill(ptcluster); |
477d6cee |
602 | fhPhiPhoton ->Fill(ptcluster,phicluster); |
603 | fhEtaPhoton ->Fill(ptcluster,etacluster); |
123fc3bd |
604 | |
591cc579 |
605 | //Play with the MC data if available |
477d6cee |
606 | if(IsDataMC()){ |
123fc3bd |
607 | |
477d6cee |
608 | Int_t tag =ph->GetTag(); |
591cc579 |
609 | |
610 | if( GetMCAnalysisUtils()->CheckTagBit(tag,AliMCAnalysisUtils::kMCPhoton)) |
611 | { |
612 | fhPtMCPhoton ->Fill(ptcluster); |
613 | fhPhiMCPhoton ->Fill(ptcluster,phicluster); |
614 | fhEtaMCPhoton ->Fill(ptcluster,etacluster); |
615 | |
616 | if(GetMCAnalysisUtils()->CheckTagBit(tag,AliMCAnalysisUtils::kMCConversion)) |
617 | { |
618 | fhPtConversion ->Fill(ptcluster); |
619 | fhPhiConversion ->Fill(ptcluster,phicluster); |
620 | fhEtaConversion ->Fill(ptcluster,etacluster); |
621 | } |
622 | |
623 | if(GetMCAnalysisUtils()->CheckTagBit(tag,AliMCAnalysisUtils::kMCPrompt)){ |
624 | fhPtPrompt ->Fill(ptcluster); |
625 | fhPhiPrompt ->Fill(ptcluster,phicluster); |
626 | fhEtaPrompt ->Fill(ptcluster,etacluster); |
627 | } |
628 | else if(GetMCAnalysisUtils()->CheckTagBit(tag,AliMCAnalysisUtils::kMCFragmentation)) |
629 | { |
630 | fhPtFragmentation ->Fill(ptcluster); |
631 | fhPhiFragmentation ->Fill(ptcluster,phicluster); |
632 | fhEtaFragmentation ->Fill(ptcluster,etacluster); |
633 | } |
634 | else if(GetMCAnalysisUtils()->CheckTagBit(tag,AliMCAnalysisUtils::kMCISR)) |
635 | { |
636 | fhPtISR ->Fill(ptcluster); |
637 | fhPhiISR ->Fill(ptcluster,phicluster); |
638 | fhEtaISR ->Fill(ptcluster,etacluster); |
639 | } |
640 | else if(GetMCAnalysisUtils()->CheckTagBit(tag,AliMCAnalysisUtils::kMCPi0Decay)) |
641 | { |
642 | fhPtPi0Decay ->Fill(ptcluster); |
643 | fhPhiPi0Decay ->Fill(ptcluster,phicluster); |
644 | fhEtaPi0Decay ->Fill(ptcluster,etacluster); |
645 | } |
646 | else if(GetMCAnalysisUtils()->CheckTagBit(tag,AliMCAnalysisUtils::kMCEtaDecay) || GetMCAnalysisUtils()->CheckTagBit(tag,AliMCAnalysisUtils::kMCOtherDecay)) |
647 | { |
648 | fhPtOtherDecay ->Fill(ptcluster); |
649 | fhPhiOtherDecay ->Fill(ptcluster,phicluster); |
650 | fhEtaOtherDecay ->Fill(ptcluster,etacluster); |
651 | } |
652 | } |
477d6cee |
653 | else{ |
591cc579 |
654 | fhPtUnknown ->Fill(ptcluster); |
655 | fhPhiUnknown ->Fill(ptcluster,phicluster); |
656 | fhEtaUnknown ->Fill(ptcluster,etacluster); |
657 | |
658 | // printf(" AliAnaPhoton::MakeAnalysisFillHistograms() - Label %d, pT %2.3f Unknown, bits set: ", |
659 | // ph->GetLabel(),ph->Pt()); |
660 | // for(Int_t i = 0; i < 20; i++) { |
661 | // if(GetMCAnalysisUtils()->CheckTagBit(tag,i)) printf(" %d, ",i); |
662 | // } |
663 | // printf("\n"); |
664 | |
477d6cee |
665 | } |
591cc579 |
666 | |
123fc3bd |
667 | |
591cc579 |
668 | // Access MC information in stack if requested, check that it exists. |
123fc3bd |
669 | Int_t label =ph->GetLabel(); |
670 | if(label < 0) { |
671 | printf("AliAnaCalorimeterQA::MakeAnalysisFillHistograms() *** bad label ***: label %d \n", label); |
672 | continue; |
673 | } |
674 | |
591cc579 |
675 | Float_t eprim = 0; |
676 | Float_t ptprim = 0; |
677 | if(GetReader()->ReadStack()){ |
678 | |
679 | if(label >= stack->GetNtrack()) { |
680 | if(GetDebug() > 2) printf("AliAnaCalorimeterQA::MakeAnalysisFillHistograms() *** large label ***: label %d, n tracks %d \n", label, stack->GetNtrack()); |
681 | continue ; |
682 | } |
683 | |
684 | primary = stack->Particle(label); |
685 | if(!primary){ |
686 | printf("AliAnaPhoton::MakeAnalysisFillHistograms() *** no primary ***: label %d \n", label); |
687 | continue; |
688 | } |
689 | eprim = primary->Energy(); |
690 | ptprim = primary->Pt(); |
123fc3bd |
691 | |
123fc3bd |
692 | } |
591cc579 |
693 | else if(GetReader()->ReadAODMCParticles()){ |
694 | //Check which is the input |
695 | if(label < GetLabelShift()){ |
696 | if(!mcparticles0) continue; |
697 | if(label >= mcparticles0->GetEntriesFast()) { |
698 | if(GetDebug() > 2) printf("AliAnaPhoton::MakeAnalysisFillHistograms() *** large label ***: label %d, n tracks %d \n", |
699 | label, mcparticles0->GetEntriesFast()); |
700 | continue ; |
701 | } |
702 | //Get the particle |
703 | aodprimary = (AliAODMCParticle*) mcparticles0->At(label); |
704 | |
705 | } |
706 | else {//Second input |
707 | if(!mcparticles1) continue; |
708 | label-=GetLabelShift(); |
709 | if(label >= mcparticles1->GetEntriesFast()) { |
710 | if(GetDebug() > 2) printf("AliAnaPhoton::MakeAnalysisFillHistograms() *** large label ***: label %d, n tracks %d \n", |
711 | label, mcparticles1->GetEntriesFast()); |
712 | continue ; |
713 | } |
714 | //Get the particle |
715 | aodprimary = (AliAODMCParticle*) mcparticles1->At(label); |
716 | |
717 | }//second input |
718 | |
719 | if(!aodprimary){ |
720 | printf("AliAnaPhoton::MakeAnalysisFillHistograms() *** no primary ***: label %d \n", label); |
721 | continue; |
722 | } |
723 | |
724 | eprim = aodprimary->E(); |
725 | ptprim = aodprimary->Pt(); |
123fc3bd |
726 | |
591cc579 |
727 | } |
728 | |
41e886c8 |
729 | fh2E ->Fill(ecluster, eprim); |
730 | fh2Pt ->Fill(ptcluster, ptprim); |
591cc579 |
731 | fhDeltaE ->Fill(eprim-ecluster); |
732 | fhDeltaPt->Fill(ptprim-ptcluster); |
733 | if(eprim > 0) fhRatioE ->Fill(ecluster/eprim); |
734 | if(ptprim > 0) fhRatioPt ->Fill(ptcluster/ptprim); |
123fc3bd |
735 | |
477d6cee |
736 | }//Histograms with MC |
737 | |
738 | }// aod loop |
739 | |
1c5acb87 |
740 | } |
741 | |
742 | |
743 | //__________________________________________________________________ |
744 | void AliAnaPhoton::Print(const Option_t * opt) const |
745 | { |
477d6cee |
746 | //Print some relevant parameters set for the analysis |
747 | |
748 | if(! opt) |
749 | return; |
750 | |
751 | printf("**** Print %s %s ****\n", GetName(), GetTitle() ) ; |
752 | AliAnaPartCorrBaseClass::Print(" "); |
a3aebfff |
753 | |
477d6cee |
754 | printf("Calorimeter = %s\n", fCalorimeter.Data()) ; |
755 | printf("Min Distance to Bad Channel = %2.1f\n",fMinDist); |
756 | printf("Min Distance to Bad Channel 2 = %2.1f\n",fMinDist2); |
757 | printf("Min Distance to Bad Channel 3 = %2.1f\n",fMinDist3); |
a3aebfff |
758 | printf("Reject clusters with a track matched = %d\n",fRejectTrackMatch); |
759 | |
477d6cee |
760 | printf(" \n") ; |
1c5acb87 |
761 | |
762 | } |