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 *
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12 * about the suitability of this software for any purpose. It is *
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14 **************************************************************************/
16 //-----------------------------------------------------------------
17 // AliAnalysisTaskSpectraAllChAOD class
18 //-----------------------------------------------------------------
25 #include "THnSparse.h"
27 #include "AliAnalysisTask.h"
28 #include "AliAODTrack.h"
29 #include "AliAODMCParticle.h"
30 #include "AliVParticle.h"
31 #include "AliAODEvent.h"
32 #include "AliAODInputHandler.h"
33 #include "AliAnalysisTaskSpectraAllChAOD.h"
34 #include "AliAnalysisTaskESDfilter.h"
35 #include "AliAnalysisDataContainer.h"
36 #include "AliSpectraAODTrackCuts.h"
37 #include "AliSpectraAODEventCuts.h"
38 #include "AliHelperPID.h"
39 #include "AliPIDCombined.h"
40 #include "AliCentrality.h"
42 #include "AliVEvent.h"
44 #include <TMCProcess.h>
48 using namespace AliHelperPIDNameSpace;
51 ClassImp(AliAnalysisTaskSpectraAllChAOD)
53 //________________________________________________________________________
54 AliAnalysisTaskSpectraAllChAOD::AliAnalysisTaskSpectraAllChAOD(const char *name) : AliAnalysisTaskSE(name),
75 // Default constructor
76 DefineInput(0, TChain::Class());
77 DefineOutput(1, TList::Class());
78 DefineOutput(2, AliSpectraAODEventCuts::Class());
79 DefineOutput(3, AliSpectraAODTrackCuts::Class());
80 DefineOutput(4, AliHelperPID::Class());
83 //________________________________________________________________________
84 void AliAnalysisTaskSpectraAllChAOD::UserCreateOutputObjects()
86 // create output objects
89 fOutput->SetName("fOutput");
91 if (!fTrackCuts) AliFatal("Track Cuts should be set in the steering macro");
92 if (!fEventCuts) AliFatal("Event Cuts should be set in the steering macro");
93 if (!fHelperPID) AliFatal("HelperPID should be set in the steering macro");
95 // binning common to all the THn
96 const Double_t ptBins[] = {0.20,0.30,0.4,0.5,0.6,0.7,0.8,0.9,1.0,1.2,1.4,1.6,1.8,2.0,2.4,2.8,3.2,3.6,4.0,5.0,6.0,7.0,8.0,9.0,10.,12.,15.,20.,25.,30.,35.,40.,50.,75.,100.};
97 const Int_t nptBins=34;
99 //dimensions of THnSparse for tracks
100 const Int_t nvartrk=9;
101 // pt cent Q vec IDrec IDgen isph y DCA issec
102 Int_t binsHistRealTrk[nvartrk] = { nptBins, fnCentBins, fnQvecBins, 4, 3, 2, 2, fnDCABins, 2};
103 Double_t xminHistRealTrk[nvartrk] = { 0., 0., 0., -.5, -0.5, -0.5, -0.5, fDCAmin, 0.5};
104 Double_t xmaxHistRealTrk[nvartrk] = { 10., 100., fQvecUpperLim, 3.5, 2.5, 1.5, 0.5, fDCAmax, 2.5};
105 THnSparseF* NSparseHistTrk = new THnSparseF("NSparseHistTrk","NSparseHistTrk",nvartrk,binsHistRealTrk,xminHistRealTrk,xmaxHistRealTrk);
106 NSparseHistTrk->GetAxis(0)->SetTitle("#it{p}_{T,rec}");
107 NSparseHistTrk->GetAxis(0)->SetName("pT_rec");
108 NSparseHistTrk->SetBinEdges(0,ptBins);
109 NSparseHistTrk->GetAxis(1)->SetTitle(Form("%s cent",fEventCuts->GetCentralityMethod().Data()));
110 NSparseHistTrk->GetAxis(1)->SetName(Form("%s_cent",fEventCuts->GetCentralityMethod().Data()));
111 NSparseHistTrk->GetAxis(2)->SetTitle("Q vec");
112 NSparseHistTrk->GetAxis(2)->SetName("Q_vec");
113 NSparseHistTrk->GetAxis(3)->SetTitle("ID rec");
114 NSparseHistTrk->GetAxis(3)->SetName("ID_rec");
115 NSparseHistTrk->GetAxis(4)->SetTitle("ID gen");
116 NSparseHistTrk->GetAxis(4)->SetName("ID_gen");
117 NSparseHistTrk->GetAxis(5)->SetTitle("isph");
118 NSparseHistTrk->GetAxis(5)->SetName("isph");
119 NSparseHistTrk->GetAxis(6)->SetTitle("y");
120 NSparseHistTrk->GetAxis(6)->SetName("y");
121 NSparseHistTrk->GetAxis(7)->SetTitle("dca");
122 NSparseHistTrk->GetAxis(7)->SetName("dca");
123 NSparseHistTrk->GetAxis(8)->SetTitle("issec");
124 NSparseHistTrk->GetAxis(8)->SetName("issec");
125 fOutput->Add(NSparseHistTrk);
127 //dimensions of THnSparse for stack
128 const Int_t nvarst=6;
129 // pt cent IDgen isph y etaselected
130 Int_t binsHistRealSt[nvarst] = { nptBins, fnCentBins, 3, 2, 2, 1};
131 Double_t xminHistRealSt[nvarst] = { 0., 0., -0.5, -0.5, -0.5, 0.5};
132 Double_t xmaxHistRealSt[nvarst] = { 10., 100., 2.5, 1.5, 0.5, 1.5};
133 THnSparseF* NSparseHistSt = new THnSparseF("NSparseHistSt","NSparseHistSt",nvarst,binsHistRealSt,xminHistRealSt,xmaxHistRealSt);
134 NSparseHistSt->GetAxis(0)->SetTitle("#it{p}_{T,gen}");
135 NSparseHistSt->SetBinEdges(0,ptBins);
136 NSparseHistSt->GetAxis(0)->SetName("pT_rec");
137 NSparseHistSt->GetAxis(1)->SetTitle(Form("%s cent",fEventCuts->GetCentralityMethod().Data()));
138 NSparseHistSt->GetAxis(1)->SetName(Form("%s_cent",fEventCuts->GetCentralityMethod().Data()));
139 NSparseHistSt->GetAxis(2)->SetTitle("ID gen");
140 NSparseHistSt->GetAxis(2)->SetName("ID_gen");
141 NSparseHistSt->GetAxis(3)->SetTitle("isph");
142 NSparseHistSt->GetAxis(3)->SetName("isph");
143 NSparseHistSt->GetAxis(4)->SetTitle("y");
144 NSparseHistSt->GetAxis(4)->SetName("y");
145 NSparseHistSt->GetAxis(5)->SetTitle("etaselected");
146 NSparseHistSt->GetAxis(5)->SetName("etaselected");
147 fOutput->Add(NSparseHistSt);
149 //dimensions of THnSparse for the normalization
150 const Int_t nvarev=3;
152 Int_t binsHistRealEv[nvarev] = { fnCentBins, fnQvecBins, fnNchBins};
153 Double_t xminHistRealEv[nvarev] = { 0., 0., 0.};
154 Double_t xmaxHistRealEv[nvarev] = { 100., fQvecUpperLim, 2000.};
155 THnSparseF* NSparseHistEv = new THnSparseF("NSparseHistEv","NSparseHistEv",nvarev,binsHistRealEv,xminHistRealEv,xmaxHistRealEv);
156 NSparseHistEv->GetAxis(0)->SetTitle(Form("%s cent",fEventCuts->GetCentralityMethod().Data()));
157 NSparseHistEv->GetAxis(0)->SetName(Form("%s_cent",fEventCuts->GetCentralityMethod().Data()));
158 NSparseHistEv->GetAxis(1)->SetTitle("Q vec");
159 NSparseHistEv->GetAxis(1)->SetName("Q_vec");
160 NSparseHistEv->GetAxis(2)->SetTitle("N charged");
161 NSparseHistEv->GetAxis(2)->SetName("N_ch");
162 fOutput->Add(NSparseHistEv);
164 PostData(1, fOutput );
165 PostData(2, fEventCuts);
166 PostData(3, fTrackCuts);
167 PostData(4, fHelperPID);
170 //________________________________________________________________________
172 void AliAnalysisTaskSpectraAllChAOD::UserExec(Option_t *)
174 //Printf("An event");
176 fAOD = dynamic_cast<AliAODEvent*>(fInputEvent);
178 AliWarning("ERROR: AliAODEvent not available \n");
182 if (strcmp(fAOD->ClassName(), "AliAODEvent"))
184 AliFatal("Not processing AODs");
187 if(!fEventCuts->IsSelected(fAOD,fTrackCuts))return;//event selection
190 if(fHelperPID->GetPIDType()==kBayes)fHelperPID->GetPIDCombined()->SetDefaultTPCPriors();//FIXME maybe this can go in the UserCreateOutputObject?
192 Double_t Qvec=0.;//in case of MC we save space in the memory
194 if(fIsQvecCalibMode){
195 if(fVZEROside==0)Qvec=fEventCuts->GetqV0A();
196 else if (fVZEROside==1)Qvec=fEventCuts->GetqV0C();
198 else Qvec=fEventCuts->GetQvecPercentile(fVZEROside);
201 Double_t Cent=fEventCuts->GetCent();
203 // First do MC to fill up the MC particle array
204 TClonesArray *arrayMC = 0;
207 arrayMC = (TClonesArray*) fAOD->GetList()->FindObject(AliAODMCParticle::StdBranchName());
209 AliFatal("Error: MC particles branch not found!\n");
211 Int_t nMC = arrayMC->GetEntries();
212 for (Int_t iMC = 0; iMC < nMC; iMC++)
214 AliAODMCParticle *partMC = (AliAODMCParticle*) arrayMC->At(iMC);
215 if(!partMC->Charge()) continue;//Skip neutrals
216 if(fCharge != 0 && partMC->Charge()*fCharge < 0.) continue;//if fCharge != 0 only select fCharge
218 //flag to select particle in the same ETA acceptance of the tracks (to be used for the comparison with AllCh)
219 Double_t etaselected=-1.;
220 if(partMC->Eta()>=fTrackCuts->GetEtaMin() && partMC->Eta()<=fTrackCuts->GetEtaMax())etaselected=1.;
222 //pt cent IDgen isph y
224 varSt[0]=partMC->Pt();
226 varSt[2]=(Double_t)fHelperPID->GetParticleSpecies(partMC);
227 varSt[3]=(Double_t)partMC->IsPhysicalPrimary();
228 varSt[4]=partMC->Y();
229 varSt[5]=etaselected;
230 ((THnSparseF*)fOutput->FindObject("NSparseHistSt"))->Fill(varSt);//stack loop
232 //Printf("a particle");
237 //main loop on tracks
241 for (Int_t iTracks = 0; iTracks < fAOD->GetNumberOfTracks(); iTracks++) {
242 AliAODTrack* track = fAOD->GetTrack(iTracks);
243 if(fCharge != 0 && track->Charge() != fCharge) continue;//if fCharge != 0 only select fCharge
244 if (!fTrackCuts->IsSelected(track,kTRUE)) continue; //track selection (rapidity selection NOT in the standard cuts)
245 if(!fFillOnlyEvents){
246 Int_t IDrec=fHelperPID->GetParticleSpecies(track,kTRUE);//id from detector
247 Double_t y= track->Y(fHelperPID->GetMass((AliHelperParticleSpecies_t)IDrec));
248 Int_t IDgen=kSpUndefined;//set if MC
254 AliAODMCParticle *partMC = (AliAODMCParticle*) arrayMC->At(TMath::Abs(track->GetLabel()));
256 AliError("Cannot get MC particle");
259 IDgen=fHelperPID->GetParticleSpecies(partMC);
260 isph=partMC->IsPhysicalPrimary();
261 //iswd=partMC->IsSecondaryFromWeakDecay();//FIXME not working on old productions - removed Apr 8th 2014
263 if(fIsAOD160){// enabled for new ADO160 only
264 if(partMC->IsSecondaryFromWeakDecay()) issec=1.;
265 if(partMC->IsSecondaryFromMaterial()) issec=2.;
271 Double_t dcaxy = -999.;
274 if(GetDCA(track,p)){ dcaxy=p[0]; }
276 //pt cent Q vec IDrec IDgen isph y
278 varTrk[0]=track->Pt();
281 varTrk[3]=(Double_t)IDrec;
282 varTrk[4]=(Double_t)IDgen;
283 varTrk[5]=(Double_t)isph;
287 ((THnSparseF*)fOutput->FindObject("NSparseHistTrk"))->Fill(varTrk);//track loop
289 //for nsigma PID fill double counting of ID
290 if(fHelperPID->GetPIDType()<kBayes && fDoDoubleCounting){//only nsigma
292 HasDC=fHelperPID->GetDoubleCounting(track,kTRUE);//get the array with double counting
293 for(Int_t ipart=0;ipart<kNSpecies;ipart++){
294 if(HasDC[ipart]==kTRUE){
295 varTrk[3]=(Double_t)ipart;
296 ((THnSparseF*)fOutput->FindObject("NSparseHistTrk"))->Fill(varTrk);//track loop
301 //fill all charged (3)
304 ((THnSparseF*)fOutput->FindObject("NSparseHistTrk"))->Fill(varTrk);//track loop
305 }//end if fFillOnlyEvents
310 } // end loop on tracks
316 ((THnSparseF*)fOutput->FindObject("NSparseHistEv"))->Fill(varEv);//event loop
318 PostData(1, fOutput );
319 PostData(2, fEventCuts);
320 PostData(3, fTrackCuts);
321 PostData(4, fHelperPID);
324 //_________________________________________________________________
325 Bool_t AliAnalysisTaskSpectraAllChAOD::GetDCA(const AliAODTrack* trk, Double_t * p){
327 //AliAODTrack::DCA(): for newest AOD fTrack->DCA() always gives -999. This should fix.
328 //FIXME should update EventCuts?
329 //FIXME add track->GetXYZ(p) method
331 double xyz[3],cov[3];
333 if (!trk->GetXYZ(xyz)) { // dca is not stored
334 AliExternalTrackParam etp;
335 etp.CopyFromVTrack(trk);
336 AliVEvent* ev = (AliVEvent*)trk->GetEvent();
337 if (!ev) {/*printf("Event is not connected to the track\n");*/ return kFALSE;}
338 if (!etp.PropagateToDCA(ev->GetPrimaryVertex(), ev->GetMagneticField(),999,xyz,cov)) return kFALSE; // failed, track is too far from vertex
346 //_________________________________________________________________
347 void AliAnalysisTaskSpectraAllChAOD::Terminate(Option_t *)