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96cad837 | 1 | /************************************************************************** |
2 | * Author: Boris Hippolyte. * | |
3 | * Contributors are mentioned in the code where appropriate. * | |
4 | * * | |
5 | * Permission to use, copy, modify and distribute this software and its * | |
6 | * documentation strictly for non-commercial purposes is hereby granted * | |
7 | * without fee, provided that the above copyright notice appears in all * | |
8 | * copies and that both the copyright notice and this permission notice * | |
9 | * appear in the supporting documentation. The authors make no claims * | |
10 | * about the suitability of this software for any purpose. It is * | |
11 | * provided "as is" without express or implied warranty. * | |
12 | **************************************************************************/ | |
13 | ||
14 | //----------------------------------------------------------------- | |
c8eada4f | 15 | // AliAnalysisTaskCheckV0 class |
16 | // This task is for QAing the V0s from ESD/AOD | |
96cad837 | 17 | // Origin: B.H. Nov2007, hippolyt@in2p3.fr |
18 | //----------------------------------------------------------------- | |
96cad837 | 19 | #include "TList.h" |
20 | #include "TH1F.h" | |
21 | #include "TCanvas.h" | |
c8eada4f | 22 | #include "TLegend.h" |
96cad837 | 23 | |
c8eada4f | 24 | #include "AliAnalysisTaskSE.h" |
96cad837 | 25 | |
26 | #include "AliESDEvent.h" | |
b638d7f5 | 27 | #include "AliESDVertex.h" |
c8eada4f | 28 | #include "AliAODEvent.h" |
b638d7f5 | 29 | #include "AliAODVertex.h" |
96cad837 | 30 | |
31 | #include "AliESDv0.h" | |
32 | ||
c8eada4f | 33 | #include "AliAnalysisTaskCheckV0.h" |
96cad837 | 34 | |
c8eada4f | 35 | ClassImp(AliAnalysisTaskCheckV0) |
96cad837 | 36 | |
b638d7f5 | 37 | //________________________________________________________________________ |
38 | AliAnalysisTaskCheckV0::AliAnalysisTaskCheckV0() | |
976dc218 | 39 | : AliAnalysisTaskSE(), fAnalysisType("ESD"), fCollidingSystems(0), fListHist(), |
b638d7f5 | 40 | fHistPrimaryVertexPosX(0), fHistPrimaryVertexPosY(0), fHistPrimaryVertexPosZ(0), |
41 | fHistTrackMultiplicity(0), fHistV0Multiplicity(0), fHistV0OnFlyStatus(0), | |
42 | fHistV0MultiplicityOff(0), fHistV0Chi2Off(0), | |
43 | fHistDcaV0DaughtersOff(0), fHistV0CosineOfPointingAngleOff(0), | |
44 | fHistV0RadiusOff(0),fHistDcaV0ToPrimVertexOff(0), | |
45 | fHistDcaPosToPrimVertexOff(0),fHistDcaNegToPrimVertexOff(0), | |
46 | fHistMassK0Off(0),fHistMassLambdaOff(0),fHistMassAntiLambdaOff(0), | |
47 | fHistV0MultiplicityOn(0), fHistV0Chi2On(0), | |
48 | fHistDcaV0DaughtersOn(0), fHistV0CosineOfPointingAngleOn(0), | |
49 | fHistV0RadiusOn(0),fHistDcaV0ToPrimVertexOn(0), | |
50 | fHistDcaPosToPrimVertexOn(0),fHistDcaNegToPrimVertexOn(0), | |
51 | fHistMassK0On(0),fHistMassLambdaOn(0),fHistMassAntiLambdaOn(0) | |
52 | { | |
53 | // Dummy constructor | |
54 | } | |
96cad837 | 55 | //________________________________________________________________________ |
c8eada4f | 56 | AliAnalysisTaskCheckV0::AliAnalysisTaskCheckV0(const char *name) |
976dc218 | 57 | : AliAnalysisTaskSE(name), fAnalysisType("ESD"), fCollidingSystems(0), fListHist(), |
b638d7f5 | 58 | fHistPrimaryVertexPosX(0), fHistPrimaryVertexPosY(0), fHistPrimaryVertexPosZ(0), |
96cad837 | 59 | fHistTrackMultiplicity(0), fHistV0Multiplicity(0), fHistV0OnFlyStatus(0), |
60 | fHistV0MultiplicityOff(0), fHistV0Chi2Off(0), | |
61 | fHistDcaV0DaughtersOff(0), fHistV0CosineOfPointingAngleOff(0), | |
62 | fHistV0RadiusOff(0),fHistDcaV0ToPrimVertexOff(0), | |
63 | fHistDcaPosToPrimVertexOff(0),fHistDcaNegToPrimVertexOff(0), | |
64 | fHistMassK0Off(0),fHistMassLambdaOff(0),fHistMassAntiLambdaOff(0), | |
65 | fHistV0MultiplicityOn(0), fHistV0Chi2On(0), | |
66 | fHistDcaV0DaughtersOn(0), fHistV0CosineOfPointingAngleOn(0), | |
67 | fHistV0RadiusOn(0),fHistDcaV0ToPrimVertexOn(0), | |
68 | fHistDcaPosToPrimVertexOn(0),fHistDcaNegToPrimVertexOn(0), | |
69 | fHistMassK0On(0),fHistMassLambdaOn(0),fHistMassAntiLambdaOn(0) | |
70 | { | |
71 | // Constructor | |
976dc218 | 72 | // Define output slots only here |
73 | // Output slot #1 writes into a TList container | |
74 | DefineOutput(1, TList::Class()); | |
96cad837 | 75 | } |
76 | ||
77 | //________________________________________________________________________ | |
976dc218 | 78 | void AliAnalysisTaskCheckV0::UserCreateOutputObjects() |
96cad837 | 79 | { |
80 | // Create histograms | |
81 | // Called once | |
82 | ||
83 | // Distinguish Track and V0 Multiplicity ! | |
84 | ||
85 | fListHist = new TList(); | |
b638d7f5 | 86 | |
87 | if (!fHistPrimaryVertexPosX) { | |
88 | fHistPrimaryVertexPosX = new TH1F("fHistPrimaryVertexPosX", "Primary vertex position in x;Position in x (cm);Events;",100,-1,1); | |
89 | fListHist->Add(fHistPrimaryVertexPosX); | |
90 | } | |
91 | if (!fHistPrimaryVertexPosY) { | |
92 | fHistPrimaryVertexPosY = new TH1F("fHistPrimaryVertexPosY", "Primary vertex position in y;Position in y (cm);Events;",100,-1,1); | |
93 | fListHist->Add(fHistPrimaryVertexPosY); | |
94 | } | |
95 | if (!fHistPrimaryVertexPosZ) { | |
96 | fHistPrimaryVertexPosZ = new TH1F("fHistPrimaryVertexPosZ", "Primary vertex position in z;Position in z (cm);Events;",100,-1,1); | |
97 | fListHist->Add(fHistPrimaryVertexPosZ); | |
98 | } | |
96cad837 | 99 | |
100 | if (!fHistTrackMultiplicity) { | |
c8eada4f | 101 | if (fCollidingSystems) |
102 | fHistTrackMultiplicity = new TH1F("fHistTrackMultiplicity", "Multiplicity distribution;Number of tracks;Events", 200, 0, 40000); | |
103 | else | |
104 | fHistTrackMultiplicity = new TH1F("fHistTrackMultiplicity", "Multiplicity distribution;Number of tracks;Events", 250, 0, 250); | |
96cad837 | 105 | fListHist->Add(fHistTrackMultiplicity); |
106 | } | |
107 | if (!fHistV0Multiplicity) { | |
c8eada4f | 108 | if (fCollidingSystems) |
109 | fHistV0Multiplicity = new TH1F("fHistV0Multiplicity", "Multiplicity distribution;Number of V0s;Events", 200, 0, 40000); | |
110 | else | |
111 | fHistV0Multiplicity = new TH1F("fHistV0Multiplicity", "Multiplicity distribution;Number of V0s;Events", 50, 0, 50); | |
96cad837 | 112 | fListHist->Add(fHistV0Multiplicity); |
113 | } | |
114 | if (!fHistV0OnFlyStatus) { | |
115 | fHistV0OnFlyStatus = new TH1F("fHistV0OnFlyStatus", "V0 On fly status;status;Number of V0s", 3, 0, 3); | |
116 | fListHist->Add(fHistV0OnFlyStatus); | |
117 | } | |
118 | ||
119 | // V0 offline distributions | |
120 | if (!fHistV0MultiplicityOff) { | |
c8eada4f | 121 | if (fCollidingSystems) |
122 | fHistV0MultiplicityOff = new TH1F("fHistV0MultiplicityOff", "Multiplicity distribution;Number of V0s;Events", 200, 0, 40000); | |
123 | else | |
124 | fHistV0MultiplicityOff = new TH1F("fHistV0MultiplicityOff", "Multiplicity distribution;Number of V0s;Events", 50, 0, 50); | |
96cad837 | 125 | fListHist->Add(fHistV0MultiplicityOff); |
126 | } | |
127 | if (!fHistV0Chi2Off) { | |
128 | fHistV0Chi2Off = new TH1F("fHistV0Chi2Off", "V0 chi2;chi2;Number of V0s", 33, 0, 33); | |
129 | fListHist->Add(fHistV0Chi2Off); | |
130 | } | |
131 | if (!fHistDcaV0DaughtersOff) { | |
132 | fHistDcaV0DaughtersOff = new TH1F("fHistDcaV0DaughtersOff", "DCA between V0 daughters;DCA (cm);Number of V0s", 300, 0, 3); | |
133 | fListHist->Add(fHistDcaV0DaughtersOff); | |
134 | } | |
135 | if (!fHistV0CosineOfPointingAngleOff) { | |
136 | fHistV0CosineOfPointingAngleOff = new TH1F("fHistV0CosineOfPointingAngleOff", "V0 Cosine of Pointing Angle;Number of V0s", 200, 0, 1); | |
137 | fListHist->Add(fHistV0CosineOfPointingAngleOff); | |
138 | } | |
139 | if (!fHistV0RadiusOff) { | |
140 | fHistV0RadiusOff = new TH1F("fHistV0RadiusOff", "V0 decay radius;Radius (cm);Number of V0s", 33, 0, 33); | |
141 | fListHist->Add(fHistV0RadiusOff); | |
142 | } | |
143 | if (!fHistDcaV0ToPrimVertexOff) { | |
144 | fHistDcaV0ToPrimVertexOff = new TH1F("fHistDcaV0ToPrimVertexOff", "DCA of V0 to Prim. Vertex;DCA (cm);Number of V0s", 300, 0, 3); | |
145 | fListHist->Add(fHistDcaV0ToPrimVertexOff); | |
146 | } | |
147 | if (!fHistDcaPosToPrimVertexOff) { | |
148 | fHistDcaPosToPrimVertexOff = new TH1F("fHistDcaPosToPrimVertexOff", "DCA of V0 neg daughter to Prim. Vertex;DCA (cm);Number of V0s", 300, 0, 3); | |
149 | fListHist->Add(fHistDcaPosToPrimVertexOff); | |
150 | } | |
151 | if (!fHistDcaNegToPrimVertexOff) { | |
152 | fHistDcaNegToPrimVertexOff = new TH1F("fHistDcaNegToPrimVertexOff", "DCA of V0 pos daughter to Prim. Vertex;DCA (cm);Number of V0s", 300, 0, 3); | |
153 | fListHist->Add(fHistDcaNegToPrimVertexOff); | |
154 | } | |
155 | ||
156 | if (!fHistMassK0Off) { | |
c8eada4f | 157 | fHistMassK0Off = new TH1F("fHistMassK0Off","K^{0} candidates;M(#pi^{+}#pi^{-}) (GeV/c^{2});Counts",100,0.4,0.6); |
96cad837 | 158 | fListHist->Add(fHistMassK0Off); |
159 | } | |
160 | if (!fHistMassLambdaOff) { | |
c8eada4f | 161 | fHistMassLambdaOff = new TH1F("fHistMassLambdaOff","#Lambda^{0} candidates;M(p#pi^{-}) (GeV/c^{2});Counts",75,1.05,1.2); |
96cad837 | 162 | fListHist->Add(fHistMassLambdaOff); |
163 | } | |
164 | if (!fHistMassAntiLambdaOff) { | |
c8eada4f | 165 | fHistMassAntiLambdaOff = new TH1F("fHistMassAntiLambdaOff","#bar{#Lambda}^{0} candidates;M(#bar{p}#pi^{+}) (GeV/c^{2});Counts",75,1.05,1.2); |
96cad837 | 166 | fListHist->Add(fHistMassAntiLambdaOff); |
167 | } | |
168 | ||
169 | // V0 on-the-fly distributions | |
170 | if (!fHistV0MultiplicityOn) { | |
c8eada4f | 171 | if (fCollidingSystems) |
172 | fHistV0MultiplicityOn = new TH1F("fHistV0MultiplicityOn", "Multiplicity distribution;Number of V0s;Events", 200, 0, 40000); | |
173 | else | |
174 | fHistV0MultiplicityOn = new TH1F("fHistV0MultiplicityOn", "Multiplicity distribution;Number of V0s;Events", 50, 0, 50); | |
96cad837 | 175 | fListHist->Add(fHistV0MultiplicityOn); |
176 | } | |
177 | if (!fHistV0Chi2On) { | |
178 | fHistV0Chi2On = new TH1F("fHistV0Chi2On", "V0 chi2;chi2;Number of V0s", 33, 0, 33); | |
179 | fListHist->Add(fHistV0Chi2On); | |
180 | } | |
181 | if (!fHistDcaV0DaughtersOn) { | |
182 | fHistDcaV0DaughtersOn = new TH1F("fHistDcaV0DaughtersOn", "DCA between V0 daughters;DCA (cm);Number of V0s", 300, 0, 3); | |
183 | fListHist->Add(fHistDcaV0DaughtersOn); | |
184 | } | |
185 | if (!fHistV0CosineOfPointingAngleOn) { | |
186 | fHistV0CosineOfPointingAngleOn = new TH1F("fHistV0CosineOfPointingAngleOn", "V0 Cosine of Pointing Angle;Number of V0s", 200, 0, 1); | |
187 | fListHist->Add(fHistV0CosineOfPointingAngleOn); | |
188 | } | |
189 | if (!fHistV0RadiusOn) { | |
190 | fHistV0RadiusOn = new TH1F("fHistV0RadiusOn", "V0 decay radius;Radius (cm);Number of V0s", 33, 0, 33); | |
191 | fListHist->Add(fHistV0RadiusOn); | |
192 | } | |
193 | if (!fHistDcaV0ToPrimVertexOn) { | |
194 | fHistDcaV0ToPrimVertexOn = new TH1F("fHistDcaV0ToPrimVertexOn", "DCA of V0 to Prim. Vertex;DCA (cm);Number of V0s", 300, 0, 3); | |
195 | fListHist->Add(fHistDcaV0ToPrimVertexOn); | |
196 | } | |
197 | if (!fHistDcaPosToPrimVertexOn) { | |
198 | fHistDcaPosToPrimVertexOn = new TH1F("fHistDcaPosToPrimVertexOn", "DCA of V0 neg daughter to Prim. Vertex;DCA (cm);Number of V0s", 300, 0, 3); | |
199 | fListHist->Add(fHistDcaPosToPrimVertexOn); | |
200 | } | |
201 | if (!fHistDcaNegToPrimVertexOn) { | |
202 | fHistDcaNegToPrimVertexOn = new TH1F("fHistDcaNegToPrimVertexOn", "DCA of V0 pos daughter to Prim. Vertex;DCA (cm);Number of V0s", 300, 0, 3); | |
203 | fListHist->Add(fHistDcaNegToPrimVertexOn); | |
204 | } | |
205 | ||
206 | if (!fHistMassK0On) { | |
c8eada4f | 207 | fHistMassK0On = new TH1F("fHistMassK0On","K^{0} candidates;M(#pi^{+}#pi^{-}) (GeV/c^{2});Counts",100,0.4,0.6); |
96cad837 | 208 | fListHist->Add(fHistMassK0On); |
209 | } | |
210 | if (!fHistMassLambdaOn) { | |
c8eada4f | 211 | fHistMassLambdaOn = new TH1F("fHistMassLambdaOn","#Lambda^{0} candidates;M(p#pi^{-}) (GeV/c^{2});Counts",75,1.05,1.2); |
96cad837 | 212 | fListHist->Add(fHistMassLambdaOn); |
213 | } | |
214 | if (!fHistMassAntiLambdaOn) { | |
c8eada4f | 215 | fHistMassAntiLambdaOn = new TH1F("fHistMassAntiLambdaOn","#bar{#Lambda}^{0} candidates;M(#bar{p}#pi^{+}) (GeV/c^{2});Counts",75,1.05,1.2); |
96cad837 | 216 | fListHist->Add(fHistMassAntiLambdaOn); |
217 | } | |
218 | ||
219 | } | |
220 | ||
221 | //________________________________________________________________________ | |
976dc218 | 222 | void AliAnalysisTaskCheckV0::UserExec(Option_t *) |
96cad837 | 223 | { |
224 | // Main loop | |
225 | // Called for each event | |
976dc218 | 226 | AliVEvent* lEvent = InputEvent(); |
227 | if (!lEvent) { | |
228 | Printf("ERROR: Event not available"); | |
229 | return; | |
230 | } | |
231 | fHistTrackMultiplicity->Fill(lEvent->GetNumberOfTracks()); | |
232 | ||
233 | Double_t tPrimaryVtxPosition[3]; | |
234 | Int_t nv0s = 0; | |
235 | nv0s = lEvent->GetNumberOfV0s(); | |
236 | Printf("CheckV0 analysis task: There are %d v0s in this event",nv0s); | |
237 | ||
238 | Int_t lOnFlyStatus = 0, nv0sOn = 0, nv0sOff = 0; | |
239 | Double_t lChi2V0 = 0; | |
240 | Double_t lDcaV0Daughters = 0, lDcaV0ToPrimVertex = 0; | |
241 | Double_t lDcaPosToPrimVertex = 0, lDcaNegToPrimVertex = 0; | |
242 | Double_t lV0CosineOfPointingAngle = 0; | |
243 | Double_t lV0Radius = 0; | |
244 | Double_t lInvMassK0 = 0, lInvMassLambda = 0, lInvMassAntiLambda = 0; | |
96cad837 | 245 | |
c8eada4f | 246 | if(fAnalysisType == "ESD") { |
247 | ||
976dc218 | 248 | const AliESDVertex *primaryVtx = ((AliESDEvent*)lEvent)->GetPrimaryVertex(); |
b638d7f5 | 249 | tPrimaryVtxPosition[0] = primaryVtx->GetXv(); |
250 | tPrimaryVtxPosition[1] = primaryVtx->GetYv(); | |
251 | tPrimaryVtxPosition[2] = primaryVtx->GetZv(); | |
252 | ||
253 | fHistPrimaryVertexPosX->Fill(tPrimaryVtxPosition[0]); | |
254 | fHistPrimaryVertexPosY->Fill(tPrimaryVtxPosition[1]); | |
255 | fHistPrimaryVertexPosZ->Fill(tPrimaryVtxPosition[2]); | |
256 | ||
c8eada4f | 257 | for (Int_t iV0 = 0; iV0 < nv0s; iV0++) |
258 | {// This is the begining of the V0 loop | |
976dc218 | 259 | AliESDv0 *v0 = ((AliESDEvent*)lEvent)->GetV0(iV0); |
c8eada4f | 260 | if (!v0) continue; |
261 | ||
262 | Double_t tDecayVertexV0[3]; v0->GetXYZ(tDecayVertexV0[0],tDecayVertexV0[1],tDecayVertexV0[2]); | |
263 | ||
264 | lV0Radius = TMath::Sqrt(tDecayVertexV0[0]*tDecayVertexV0[0]+tDecayVertexV0[1]*tDecayVertexV0[1]); | |
265 | ||
266 | UInt_t lKeyPos = (UInt_t)TMath::Abs(v0->GetPindex()); | |
267 | UInt_t lKeyNeg = (UInt_t)TMath::Abs(v0->GetNindex()); | |
268 | ||
269 | Double_t lMomPos[3]; v0->GetPPxPyPz(lMomPos[0],lMomPos[1],lMomPos[2]); | |
270 | Double_t lMomNeg[3]; v0->GetNPxPyPz(lMomNeg[0],lMomNeg[1],lMomNeg[2]); | |
271 | ||
976dc218 | 272 | AliESDtrack *pTrack=((AliESDEvent*)lEvent)->GetTrack(lKeyPos); |
273 | AliESDtrack *nTrack=((AliESDEvent*)lEvent)->GetTrack(lKeyNeg); | |
c8eada4f | 274 | if (!pTrack || !nTrack) { |
275 | Printf("ERROR: Could not retreive one of the daughter track"); | |
276 | continue; | |
277 | } | |
278 | ||
279 | Float_t tDcaPosToPrimVertex[2]; | |
280 | if(pTrack) pTrack->GetImpactParameters(tDcaPosToPrimVertex[0],tDcaPosToPrimVertex[1]); | |
281 | else { tDcaPosToPrimVertex[0]=999.; tDcaPosToPrimVertex[1]=999.;} | |
282 | lDcaPosToPrimVertex = TMath::Sqrt(tDcaPosToPrimVertex[0]*tDcaPosToPrimVertex[0]+tDcaPosToPrimVertex[1]*tDcaPosToPrimVertex[1]); | |
283 | ||
284 | Float_t tDcaNegToPrimVertex[2]; | |
285 | if(nTrack) nTrack->GetImpactParameters(tDcaNegToPrimVertex[0],tDcaNegToPrimVertex[1]); | |
286 | else { tDcaNegToPrimVertex[0]=999.; tDcaNegToPrimVertex[1]=999.;} | |
287 | lDcaNegToPrimVertex = TMath::Sqrt(tDcaNegToPrimVertex[0]*tDcaNegToPrimVertex[0]+tDcaNegToPrimVertex[1]*tDcaNegToPrimVertex[1]); | |
288 | ||
289 | ||
290 | lOnFlyStatus = v0->GetOnFlyStatus(); | |
291 | lChi2V0 = v0->GetChi2V0(); | |
292 | lDcaV0Daughters = v0->GetDcaV0Daughters(); | |
60c8c322 | 293 | lDcaV0ToPrimVertex = v0->GetD(tPrimaryVtxPosition[0],tPrimaryVtxPosition[1],tPrimaryVtxPosition[2]); |
294 | lV0CosineOfPointingAngle = v0->GetV0CosineOfPointingAngle(tPrimaryVtxPosition[0],tPrimaryVtxPosition[1],tPrimaryVtxPosition[2]); | |
c8eada4f | 295 | |
296 | // Getting invariant mass infos directly from ESD | |
297 | v0->ChangeMassHypothesis(310); | |
298 | lInvMassK0 = v0->GetEffMass(); | |
299 | v0->ChangeMassHypothesis(3122); | |
300 | lInvMassLambda = v0->GetEffMass(); | |
301 | v0->ChangeMassHypothesis(-3122); | |
302 | lInvMassAntiLambda = v0->GetEffMass(); | |
303 | ||
304 | fHistV0OnFlyStatus->Fill(lOnFlyStatus); | |
305 | if(!lOnFlyStatus){ | |
306 | nv0sOff++; | |
307 | fHistV0Chi2Off->Fill(lChi2V0); | |
308 | fHistDcaV0ToPrimVertexOff->Fill(lDcaV0ToPrimVertex); | |
309 | fHistDcaV0DaughtersOff->Fill(lDcaV0Daughters); | |
310 | fHistV0CosineOfPointingAngleOff->Fill(lV0CosineOfPointingAngle); | |
311 | ||
312 | fHistV0RadiusOff->Fill(lV0Radius); | |
313 | fHistDcaPosToPrimVertexOff->Fill(lDcaPosToPrimVertex); | |
314 | fHistDcaNegToPrimVertexOff->Fill(lDcaNegToPrimVertex); | |
315 | ||
316 | // Filling invariant mass histos for all candidates | |
317 | fHistMassK0Off->Fill(lInvMassK0); | |
318 | fHistMassLambdaOff->Fill(lInvMassLambda); | |
319 | fHistMassAntiLambdaOff->Fill(lInvMassAntiLambda); | |
320 | } | |
321 | else { | |
322 | nv0sOn++; | |
323 | fHistV0Chi2On->Fill(lChi2V0); | |
324 | fHistDcaV0ToPrimVertexOn->Fill(lDcaV0ToPrimVertex); | |
325 | fHistDcaV0DaughtersOn->Fill(lDcaV0Daughters); | |
326 | fHistV0CosineOfPointingAngleOn->Fill(lV0CosineOfPointingAngle); | |
327 | ||
328 | fHistV0RadiusOn->Fill(lV0Radius); | |
329 | fHistDcaPosToPrimVertexOn->Fill(lDcaPosToPrimVertex); | |
330 | fHistDcaNegToPrimVertexOn->Fill(lDcaNegToPrimVertex); | |
331 | ||
332 | // Filling invariant mass histos for all candidates | |
333 | fHistMassK0On->Fill(lInvMassK0); | |
334 | fHistMassLambdaOn->Fill(lInvMassLambda); | |
335 | fHistMassAntiLambdaOn->Fill(lInvMassAntiLambda); | |
336 | } | |
337 | }// This is the end of the V0 loop | |
c8eada4f | 338 | } // end of "ESD" analysis |
339 | ||
340 | else if(fAnalysisType == "AOD") { | |
341 | ||
976dc218 | 342 | const AliAODVertex *primaryVtx = ((AliAODEvent*)lEvent)->GetPrimaryVertex(); |
b638d7f5 | 343 | tPrimaryVtxPosition[0] = primaryVtx->GetX(); |
344 | tPrimaryVtxPosition[1] = primaryVtx->GetY(); | |
345 | tPrimaryVtxPosition[2] = primaryVtx->GetZ(); | |
346 | ||
347 | fHistPrimaryVertexPosX->Fill(tPrimaryVtxPosition[0]); | |
348 | fHistPrimaryVertexPosY->Fill(tPrimaryVtxPosition[1]); | |
349 | fHistPrimaryVertexPosZ->Fill(tPrimaryVtxPosition[2]); | |
350 | ||
c8eada4f | 351 | for (Int_t iV0 = 0; iV0 < nv0s; iV0++) |
352 | {// This is the begining of the V0 loop | |
976dc218 | 353 | AliAODv0 *v0 = ((AliAODEvent*)lEvent)->GetV0(iV0); |
c8eada4f | 354 | if (!v0) continue; |
355 | ||
356 | lV0Radius = v0->RadiusV0(); | |
357 | lDcaPosToPrimVertex = v0->DcaPosToPrimVertex(); | |
358 | lDcaNegToPrimVertex = v0->DcaNegToPrimVertex(); | |
359 | ||
360 | ||
b638d7f5 | 361 | lOnFlyStatus = v0->GetOnFlyStatus(); |
c8eada4f | 362 | lChi2V0 = v0->Chi2V0(); |
363 | lDcaV0Daughters = v0->DcaV0Daughters(); | |
364 | lDcaV0ToPrimVertex = v0->DcaV0ToPrimVertex(); | |
b638d7f5 | 365 | lV0CosineOfPointingAngle = v0->CosPointingAngle(tPrimaryVtxPosition); |
c8eada4f | 366 | |
367 | lInvMassK0 = v0->MassK0Short(); | |
368 | lInvMassLambda = v0->MassLambda(); | |
369 | lInvMassAntiLambda = v0->MassAntiLambda(); | |
370 | ||
371 | fHistV0OnFlyStatus->Fill(lOnFlyStatus); | |
372 | if(!lOnFlyStatus){ | |
373 | nv0sOff++; | |
374 | fHistV0Chi2Off->Fill(lChi2V0); | |
375 | fHistDcaV0ToPrimVertexOff->Fill(lDcaV0ToPrimVertex); | |
376 | fHistDcaV0DaughtersOff->Fill(lDcaV0Daughters); | |
377 | fHistV0CosineOfPointingAngleOff->Fill(lV0CosineOfPointingAngle); | |
378 | ||
379 | fHistV0RadiusOff->Fill(lV0Radius); | |
380 | fHistDcaPosToPrimVertexOff->Fill(lDcaPosToPrimVertex); | |
381 | fHistDcaNegToPrimVertexOff->Fill(lDcaNegToPrimVertex); | |
382 | ||
383 | // Filling invariant mass histos for all candidates | |
384 | fHistMassK0Off->Fill(lInvMassK0); | |
385 | fHistMassLambdaOff->Fill(lInvMassLambda); | |
386 | fHistMassAntiLambdaOff->Fill(lInvMassAntiLambda); | |
387 | } | |
388 | else { | |
389 | nv0sOn++; | |
390 | fHistV0Chi2On->Fill(lChi2V0); | |
391 | fHistDcaV0ToPrimVertexOn->Fill(lDcaV0ToPrimVertex); | |
392 | fHistDcaV0DaughtersOn->Fill(lDcaV0Daughters); | |
393 | fHistV0CosineOfPointingAngleOn->Fill(lV0CosineOfPointingAngle); | |
394 | ||
395 | fHistV0RadiusOn->Fill(lV0Radius); | |
396 | fHistDcaPosToPrimVertexOn->Fill(lDcaPosToPrimVertex); | |
397 | fHistDcaNegToPrimVertexOn->Fill(lDcaNegToPrimVertex); | |
398 | ||
399 | // Filling invariant mass histos for all candidates | |
400 | fHistMassK0On->Fill(lInvMassK0); | |
401 | fHistMassLambdaOn->Fill(lInvMassLambda); | |
402 | fHistMassAntiLambdaOn->Fill(lInvMassAntiLambda); | |
403 | } | |
404 | }// This is the end of the V0 loop | |
c8eada4f | 405 | } // end of "AOD" analysis |
96cad837 | 406 | |
976dc218 | 407 | fHistV0Multiplicity->Fill(nv0s); |
408 | fHistV0MultiplicityOff->Fill(nv0sOff); | |
409 | fHistV0MultiplicityOn->Fill(nv0sOn); | |
410 | ||
96cad837 | 411 | // Post output data. |
976dc218 | 412 | PostData(1, fListHist); |
96cad837 | 413 | } |
414 | ||
415 | //________________________________________________________________________ | |
c8eada4f | 416 | void AliAnalysisTaskCheckV0::Terminate(Option_t *) |
96cad837 | 417 | { |
418 | // Draw result to the screen | |
419 | // Called once at the end of the query | |
420 | ||
976dc218 | 421 | fHistTrackMultiplicity = dynamic_cast<TH1F*> (((TList*)GetOutputData(1))->FindObject("fHistTrackMultiplicity")); |
96cad837 | 422 | if (!fHistTrackMultiplicity) { |
423 | Printf("ERROR: fHistTrackMultiplicity not available"); | |
424 | return; | |
425 | } | |
976dc218 | 426 | fHistV0Multiplicity = dynamic_cast<TH1F*> (((TList*)GetOutputData(1))->FindObject("fHistV0Multiplicity")); |
96cad837 | 427 | if (!fHistV0Multiplicity) { |
428 | Printf("ERROR: fHistV0Multiplicity not available"); | |
429 | return; | |
430 | } | |
976dc218 | 431 | fHistV0MultiplicityOff = dynamic_cast<TH1F*> (((TList*)GetOutputData(1))->FindObject("fHistV0MultiplicityOff")); |
96cad837 | 432 | if (!fHistV0MultiplicityOff) { |
433 | Printf("ERROR: fHistV0MultiplicityOff not available"); | |
434 | return; | |
435 | } | |
976dc218 | 436 | fHistV0MultiplicityOn = dynamic_cast<TH1F*> (((TList*)GetOutputData(1))->FindObject("fHistV0MultiplicityOn")); |
96cad837 | 437 | if (!fHistV0MultiplicityOn) { |
438 | Printf("ERROR: fHistV0MultiplicityOn not available"); | |
439 | return; | |
440 | } | |
441 | ||
c8eada4f | 442 | TCanvas *canCheckV0 = new TCanvas("AliAnalysisTaskCheckV0","Multiplicity",10,10,510,510); |
443 | canCheckV0->Divide(2,2); | |
976dc218 | 444 | if (fHistTrackMultiplicity->GetMaximum() > 0.) canCheckV0->cd(1)->SetLogy(); |
b638d7f5 | 445 | fHistTrackMultiplicity->SetMarkerStyle(26); |
96cad837 | 446 | fHistTrackMultiplicity->DrawCopy("E"); |
b638d7f5 | 447 | fHistV0Multiplicity->SetMarkerStyle(25); |
96cad837 | 448 | fHistV0Multiplicity->DrawCopy("ESAME"); |
449 | fHistV0MultiplicityOff->SetMarkerStyle(24); | |
450 | fHistV0MultiplicityOff->DrawCopy("ESAME"); | |
451 | fHistV0MultiplicityOn->SetMarkerStyle(20); | |
452 | fHistV0MultiplicityOn->DrawCopy("ESAME"); | |
c8eada4f | 453 | |
a95976c8 | 454 | TLegend *legendMultiplicity = new TLegend(0.5,0.5,0.75,0.75); |
c8eada4f | 455 | legendMultiplicity->AddEntry(fHistTrackMultiplicity,"tracks"); |
456 | legendMultiplicity->AddEntry(fHistV0Multiplicity,"all V^{0}"); | |
457 | legendMultiplicity->AddEntry(fHistV0MultiplicityOff,"offline V^{0}"); | |
458 | legendMultiplicity->AddEntry(fHistV0MultiplicityOn,"onthefly V^{0}"); | |
459 | legendMultiplicity->Draw(); | |
460 | ||
976dc218 | 461 | fHistMassK0Off = dynamic_cast<TH1F*> (((TList*)GetOutputData(1))->FindObject("fHistMassK0Off")); |
c8eada4f | 462 | if (!fHistMassK0Off) { |
463 | Printf("ERROR: fHistMassK0Off not available"); | |
464 | return; | |
465 | } | |
976dc218 | 466 | fHistMassK0On = dynamic_cast<TH1F*> (((TList*)GetOutputData(1))->FindObject("fHistMassK0On")); |
c8eada4f | 467 | if (!fHistMassK0On) { |
468 | Printf("ERROR: fHistMassK0On not available"); | |
469 | return; | |
470 | } | |
976dc218 | 471 | fHistMassLambdaOff = dynamic_cast<TH1F*> (((TList*)GetOutputData(1))->FindObject("fHistMassLambdaOff")); |
c8eada4f | 472 | if (!fHistMassLambdaOff) { |
473 | Printf("ERROR: fHistMassLambdaOff not available"); | |
474 | return; | |
475 | } | |
976dc218 | 476 | fHistMassLambdaOn = dynamic_cast<TH1F*> (((TList*)GetOutputData(1))->FindObject("fHistMassLambdaOn")); |
c8eada4f | 477 | if (!fHistMassLambdaOn) { |
478 | Printf("ERROR: fHistMassLambdaOn not available"); | |
479 | return; | |
480 | } | |
976dc218 | 481 | fHistMassAntiLambdaOff = dynamic_cast<TH1F*> (((TList*)GetOutputData(1))->FindObject("fHistMassAntiLambdaOff")); |
c8eada4f | 482 | if (!fHistMassAntiLambdaOff) { |
483 | Printf("ERROR: fHistMassAntiLambdaOff not available"); | |
484 | return; | |
485 | } | |
976dc218 | 486 | fHistMassAntiLambdaOn = dynamic_cast<TH1F*> (((TList*)GetOutputData(1))->FindObject("fHistMassAntiLambdaOn")); |
c8eada4f | 487 | if (!fHistMassAntiLambdaOn) { |
488 | Printf("ERROR: fHistMassAntiLambdaOn not available"); | |
489 | return; | |
490 | } | |
491 | ||
492 | canCheckV0->cd(2); | |
c8eada4f | 493 | fHistMassK0On->SetMarkerStyle(20); |
a95976c8 | 494 | fHistMassK0On->DrawCopy("E"); |
495 | fHistMassK0Off->SetMarkerStyle(24); | |
496 | fHistMassK0Off->DrawCopy("ESAME"); | |
c8eada4f | 497 | |
498 | canCheckV0->cd(3); | |
c8eada4f | 499 | fHistMassLambdaOn->SetMarkerStyle(20); |
a95976c8 | 500 | fHistMassLambdaOn->DrawCopy("E"); |
501 | fHistMassLambdaOff->SetMarkerStyle(24); | |
502 | fHistMassLambdaOff->DrawCopy("ESAME"); | |
c8eada4f | 503 | |
504 | canCheckV0->cd(4); | |
c8eada4f | 505 | fHistMassAntiLambdaOn->SetMarkerStyle(20); |
a95976c8 | 506 | fHistMassAntiLambdaOn->DrawCopy("E"); |
507 | fHistMassAntiLambdaOff->SetMarkerStyle(24); | |
508 | fHistMassAntiLambdaOff->DrawCopy("ESAME"); | |
976dc218 | 509 | |
96cad837 | 510 | } |