1 /*************************************************************************
2 * Copyright(c) 1998-2009, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
16 ///////////////////////////////////////////////////////////////////////////
17 // Dielectron EventCuts //
26 ///////////////////////////////////////////////////////////////////////////
29 #include <AliTriggerAnalysis.h>
30 #include <AliESDVertex.h>
31 #include <AliAODVertex.h>
32 #include <AliESDEvent.h>
33 #include <AliAODEvent.h>
34 #include <AliMultiplicity.h>
35 #include <AliCentrality.h>
36 #include <AliESDVZERO.h>
37 #include <AliAODVZERO.h>
39 #include "AliDielectronEventCuts.h"
41 ClassImp(AliDielectronEventCuts)
43 const char* AliDielectronEventCuts::fgkVtxNames[AliDielectronEventCuts::kVtxTracksOrSPD+1] = {"Tracks", "SPD", "TPC", "Any", "TracksOrSPD"};
45 AliDielectronEventCuts::AliDielectronEventCuts() :
50 fMinVtxContributors(0),
56 fTriggerAnalysis(0x0),
62 fparMinVtxContributors(0x0),
63 fparMaxVtxContributors(0x0)
66 // Default Constructor
71 //______________________________________________
72 AliDielectronEventCuts::AliDielectronEventCuts(const char* name, const char* title) :
73 AliAnalysisCuts(name, title),
77 fMinVtxContributors(0),
83 fTriggerAnalysis(0x0),
89 fparMinVtxContributors(0x0),
90 fparMaxVtxContributors(0x0)
97 //______________________________________________
98 AliDielectronEventCuts::~AliDielectronEventCuts()
101 // Default Destructor
103 if (fTriggerAnalysis) delete fTriggerAnalysis;
106 //______________________________________________
107 Bool_t AliDielectronEventCuts::IsSelected(TObject* event)
113 if(event->IsA() == AliESDEvent::Class()) return IsSelectedESD(event);
114 else if(event->IsA() == AliAODEvent::Class()) return IsSelectedAOD(event);
117 //____________________________________________________________________
118 Bool_t AliDielectronEventCuts::IsSelectedESD(TObject* event)
124 AliESDEvent *ev=dynamic_cast<AliESDEvent*>(event);
125 if (!ev) return kFALSE;
127 if (fCentMin<fCentMax){
128 AliCentrality *centrality=ev->GetCentrality();
129 Double_t centralityF=-1;
130 if (centrality) centralityF = centrality->GetCentralityPercentile("V0M");
131 if (centralityF<fCentMin || centralityF>=fCentMax) return kFALSE;
138 case kVtxTracksOrSPD:
139 fkVertex=ev->GetPrimaryVertexTracks();
141 case kVtxSPD: fkVertex=ev->GetPrimaryVertexSPD(); break;
142 case kVtxTPC: fkVertex=ev->GetPrimaryVertexTPC(); break;
143 case kVtxAny: fkVertex=ev->GetPrimaryVertex(); break;
146 if ((fRequireVtx||fVtxZmin<fVtxZmax||fMinVtxContributors>0)&&!fkVertex) return kFALSE;
149 if (fMinVtxContributors>0){
150 Int_t nCtrb = fkVertex->GetNContributors();
151 if (nCtrb<fMinVtxContributors){
152 if (fVtxType==kVtxTracksOrSPD){
153 fkVertex=ev->GetPrimaryVertexSPD();
154 nCtrb = fkVertex->GetNContributors();
155 if (nCtrb<fMinVtxContributors) return kFALSE;
162 if (fVtxZmin<fVtxZmax){
163 Double_t zvtx=fkVertex->GetZv();
164 if (zvtx<fVtxZmin||zvtx>fVtxZmax) return kFALSE;
168 if (!fTriggerAnalysis) fTriggerAnalysis=new AliTriggerAnalysis;
169 Bool_t v0AND = kFALSE;
170 if (fRequireV0and==1){
171 Bool_t v0A = fTriggerAnalysis->IsOfflineTriggerFired(ev, AliTriggerAnalysis::kV0A);
172 Bool_t v0C = fTriggerAnalysis->IsOfflineTriggerFired(ev, AliTriggerAnalysis::kV0C);
176 if (fRequireV0and==2){
177 Bool_t v0AHW = (fTriggerAnalysis->V0Trigger(ev, AliTriggerAnalysis::kASide, kTRUE) == AliTriggerAnalysis::kV0BB);
178 Bool_t v0CHW = (fTriggerAnalysis->V0Trigger(ev, AliTriggerAnalysis::kCSide, kTRUE) == AliTriggerAnalysis::kV0BB);
179 v0AND = v0AHW && v0CHW;
182 if (!v0AND) return kFALSE;
186 const AliESDVertex *vtxESDTPC=ev->GetPrimaryVertexTPC();
187 const AliMultiplicity *multESD = ev->GetMultiplicity();
188 if ( vtxESDTPC && multESD && vtxESDTPC->GetNContributors() < (-10.+0.25*multESD->GetNumberOfITSClusters(0)) )
192 if(fparMean && fparSigma) {
193 Double_t nTrks = ev->GetNumberOfTracks();
194 Double_t multV0 = 0.0;
195 for(Int_t j=0; j<64; j++) multV0 += ev->GetVZEROData()->GetMultiplicity(j);
196 Double_t mV0 = fparMean->Eval(nTrks);
197 Double_t sV0 = fparSigma->Eval(nTrks);
198 if(multV0 > mV0+fcutSigma*sV0 || multV0 < mV0-fcutSigma*sV0) return kFALSE;
201 // cut on the number of vertex contributors using TPC versus global vertex
202 if(fparMinVtxContributors && fparMaxVtxContributors) {
203 const AliESDVertex *vtxTPC = ev->GetPrimaryVertexTPC();
204 const AliESDVertex *vtxGbl = ev->GetPrimaryVertex();
205 Double_t nContribTPC = (vtxTPC ? vtxTPC->GetNContributors() : 0);
206 Double_t nContribGbl = (vtxGbl ? vtxGbl->GetNContributors() : 0);
207 Double_t minCut = fparMinVtxContributors->Eval(nContribGbl);
208 Double_t maxCut = fparMaxVtxContributors->Eval(nContribGbl);
209 if(nContribTPC > maxCut || nContribTPC < minCut) return kFALSE;
215 //______________________________________________
216 Bool_t AliDielectronEventCuts::IsSelectedAOD(TObject* event)
222 AliAODEvent *ev=dynamic_cast<AliAODEvent*>(event);
223 if (!ev) return kFALSE;
225 if (fCentMin<fCentMax){
226 AliCentrality *centrality=ev->GetCentrality();
227 Double_t centralityF=-1;
228 if (centrality) centralityF = centrality->GetCentralityPercentile("V0M");
229 if (centralityF<fCentMin || centralityF>=fCentMax) return kFALSE;
235 case kVtxTracks: fkVertexAOD=0x0; break;
236 case kVtxTPC: fkVertexAOD=ev->GetVertex(AliAODVertex::kMainTPC); break;
238 case kVtxTracksOrSPD: fkVertexAOD=ev->GetPrimaryVertexSPD(); break;
239 case kVtxAny: fkVertexAOD=ev->GetPrimaryVertex(); break;
242 if ((fRequireVtx||fVtxZmin<fVtxZmax||fMinVtxContributors>0)&&!fkVertexAOD) return kFALSE;
244 if (fMinVtxContributors>0){
245 Int_t nCtrb = fkVertexAOD->GetNContributors();
246 if (nCtrb<fMinVtxContributors){
247 // if (fVtxType==kVtxTracksOrSPD){
248 // fkVertexAOD=ev->GetVertex(AliAODVertex::kPrimary);
249 // nCtrb = fkVertexAOD->GetNContributors();
250 // if (nCtrb<fMinVtxContributors) return kFALSE;
258 if (fVtxZmin<fVtxZmax){
259 Double_t zvtx=fkVertexAOD->GetZ();
260 if (zvtx<fVtxZmin||zvtx>fVtxZmax) return kFALSE;
265 // if (!fTriggerAnalysis) fTriggerAnalysis=new AliTriggerAnalysis;
266 Bool_t v0AND = kFALSE;
267 if (fRequireV0and==1){
268 Bool_t v0A = fTriggerAnalysis->IsOfflineTriggerFired(ev, AliTriggerAnalysis::kV0A);
269 Bool_t v0A = header->GetOfflineTrigger(); //TODO
270 Bool_t v0C = fTriggerAnalysis->IsOfflineTriggerFired(ev, AliTriggerAnalysis::kV0C);
274 if (fRequireV0and==2){
275 Bool_t v0AHW = (fTriggerAnalysis->V0Trigger(ev, AliTriggerAnalysis::kASide, kTRUE) == AliTriggerAnalysis::kV0BB);
276 Bool_t v0CHW = (fTriggerAnalysis->V0Trigger(ev, AliTriggerAnalysis::kCSide, kTRUE) == AliTriggerAnalysis::kV0BB);
277 v0AND = v0AHW && v0CHW;
280 if (!v0AND) return kFALSE;
284 const AliESDVertex *vtxESDTPC=ev->GetPrimaryVertexTPC();
285 const AliMultiplicity *multESD = ev->GetMultiplicity();
286 if ( vtxESDTPC && multESD && vtxESDTPC->GetNContributors() < (-10.+0.25*multESD->GetNumberOfITSClusters(0)) )
291 // correlation cut Ntrks vs. multV0
292 if(fparMean && fparSigma) {
293 Double_t nTrks = ev->GetNumberOfTracks();
294 Double_t multV0 = 0.0;
295 for(Int_t j=0; j<64; j++) multV0 += ev->GetVZEROData()->GetMultiplicity(j);
296 Double_t mV0 = fparMean->Eval(nTrks);
297 Double_t sV0 = fparSigma->Eval(nTrks);
298 if(multV0 > mV0+fcutSigma*sV0 || multV0 < mV0-fcutSigma*sV0) return kFALSE;
301 // cut on the number of vertex contributors using TPC versus global vertex
302 if(fparMinVtxContributors && fparMaxVtxContributors) {
303 const AliAODVertex *vtxTPC = ev->GetVertex(AliAODVertex::kMainTPC);
304 const AliAODVertex *vtxGbl = ev->GetPrimaryVertex();
305 Double_t nContribTPC = (vtxTPC ? vtxTPC->GetNContributors() : 0);
306 Double_t nContribGbl = (vtxGbl ? vtxGbl->GetNContributors() : 0);
307 Double_t minCut = fparMinVtxContributors->Eval(nContribGbl);
308 Double_t maxCut = fparMaxVtxContributors->Eval(nContribGbl);
309 if(nContribTPC > maxCut || nContribTPC < minCut) return kFALSE;
315 //________________________________________________________________________
316 void AliDielectronEventCuts::Print(const Option_t* /*option*/) const
319 // Print cuts and the range
321 printf("cut ranges for '%s'\n",GetTitle());
322 printf("All Cuts have to be fulfilled\n");
326 printf("Cut %02d: vertex required \n",iCut); iCut++; }
327 printf("Cut %02d: vertex type: %s \n", iCut, fgkVtxNames[fVtxType]); iCut++;
328 if(fMinVtxContributors) {
329 printf("Cut %02d: vertex contributors >= %d \n", iCut, fMinVtxContributors); iCut++; }
330 if(fVtxZmin<fVtxZmax) {
331 printf("Cut %02d: %f < %s < %f\n", iCut, fVtxZmin, "Zvtx", fVtxZmax); iCut++; }
332 if(fCentMin<fCentMax) {
333 printf("Cut %02d: %f < %s < %f\n", iCut, fCentMin, "V0centrality", fCentMax);iCut++; }
335 printf("Cut %02d: cut on multiplcity ITS vs. TPC \n", iCut); iCut++; }
336 if(fparMean&&fparSigma) {
337 printf("Cut %02d: multplicity vs. #tracks correlation +-%.1f sigma inclusion \n", iCut, fcutSigma); iCut++; }
339 printf("Cut %02d: require V0and type: %c \n", iCut, fRequireV0and); iCut++; }