1 /**************************************************************************
\r
2 * Copyright(c) 1998-2009, ALICE Experiment at CERN, All rights reserved. *
\r
4 * Author: The ALICE Off-line Project. *
\r
5 * Contributors are mentioned in the code where appropriate. *
\r
7 * Permission to use, copy, modify and distribute this software and its *
\r
8 * documentation strictly for non-commercial purposes is hereby granted *
\r
9 * without fee, provided that the above copyright notice appears in all *
\r
10 * copies and that both the copyright notice and this permission notice *
\r
11 * appear in the supporting documentation. The authors make no claims *
\r
12 * about the suitability of this software for any purpose. It is *
\r
13 * provided "as is" without express or implied warranty. *
\r
14 **************************************************************************/
\r
16 //-----------------------------------------------------------------
\r
17 // AliAnalysisTaskSpectraBoth class
\r
18 //-----------------------------------------------------------------
\r
22 #include "TLegend.h"
\r
25 #include "TCanvas.h"
\r
26 #include "AliAnalysisTask.h"
\r
27 #include "AliAnalysisManager.h"
\r
28 #include "AliAODTrack.h"
\r
29 #include "AliAODMCParticle.h"
\r
30 #include "AliVParticle.h"
\r
31 #include "AliAODEvent.h"
\r
32 #include "AliAODInputHandler.h"
\r
33 #include "AliAnalysisTaskSpectraBoth.h"
\r
34 #include "AliAnalysisTaskESDfilter.h"
\r
35 #include "AliAnalysisDataContainer.h"
\r
36 #include "AliSpectraBothHistoManager.h"
\r
37 #include "AliSpectraBothTrackCuts.h"
\r
38 #include "AliSpectraBothEventCuts.h"
\r
39 #include "AliCentrality.h"
\r
42 #include "AliVEvent.h"
\r
43 #include "AliESDEvent.h"
\r
44 #include "AliPIDResponse.h"
\r
45 #include "AliStack.h"
\r
46 #include "AliSpectraBothPID.h"
\r
47 #include <TMCProcess.h>
\r
54 using namespace AliSpectraNameSpaceBoth;
\r
55 using namespace std;
\r
57 ClassImp(AliAnalysisTaskSpectraBoth)
\r
59 //________________________________________________________________________
\r
60 AliAnalysisTaskSpectraBoth::AliAnalysisTaskSpectraBoth(const char *name) : AliAnalysisTaskSE(name), fAOD(0), fHistMan(0), fTrackCuts(0), fEventCuts(0), fPID(0), fIsMC(0), fNRebin(0),fUseMinSigma(0),fCuts(0),fdotheMCLoopAfterEventCuts(0)
\r
62 // Default constructor
\r
64 DefineInput(0, TChain::Class());
\r
65 DefineOutput(1, AliSpectraBothHistoManager::Class());
\r
66 DefineOutput(2, AliSpectraBothEventCuts::Class());
\r
67 DefineOutput(3, AliSpectraBothTrackCuts::Class());
\r
68 DefineOutput(4, AliSpectraBothPID::Class());
\r
72 //________________________________________________________________________
\r
73 //________________________________________________________________________
\r
74 void AliAnalysisTaskSpectraBoth::UserCreateOutputObjects()
\r
76 // create output objects
\r
77 fHistMan = new AliSpectraBothHistoManager("SpectraHistos",fNRebin);
\r
79 if (!fTrackCuts) AliFatal("Track Cuts should be set in the steering macro");
\r
80 if (!fEventCuts) AliFatal("Event Cuts should be set in the steering macro");
\r
81 if (!fPID) AliFatal("PID object should be set in the steering macro");
\r
82 fTrackCuts->SetAliESDtrackCuts(fCuts);
\r
83 PostData(1, fHistMan );
\r
84 PostData(2, fEventCuts);
\r
85 PostData(3, fTrackCuts);
\r
89 //________________________________________________________________________
\r
90 void AliAnalysisTaskSpectraBoth::UserExec(Option_t *)
\r
93 Int_t ifAODEvent=AliSpectraBothTrackCuts::kotherobject;
\r
94 fAOD = dynamic_cast<AliVEvent*>(InputEvent());
\r
96 // AliESDEvent* esdevent=0x0;
\r
97 // AliAODEvent* aodevent=0x0;
\r
99 TString nameoftrack(fAOD->ClassName());
\r
100 if(!nameoftrack.CompareTo("AliESDEvent"))
\r
102 ifAODEvent=AliSpectraBothTrackCuts::kESDobject;
\r
103 //esdevent=dynamic_cast<AliESDEvent*>(fAOD);
\r
105 else if(!nameoftrack.CompareTo("AliAODEvent"))
\r
107 ifAODEvent=AliSpectraBothTrackCuts::kAODobject;
\r
108 //aodevent=dynamic_cast<AliAODEvent*>(fAOD);
\r
111 AliFatal("Not processing AODs or ESDS") ;
\r
112 if(fdotheMCLoopAfterEventCuts)
\r
113 if(!fEventCuts->IsSelected(fAOD,fTrackCuts))return;//event selection
\r
116 TClonesArray *arrayMC = 0;
\r
118 AliStack* stack=0x0;
\r
123 if(ifAODEvent==AliSpectraBothTrackCuts::kAODobject)
\r
125 arrayMC = (TClonesArray*) fAOD->GetList()->FindObject(AliAODMCParticle::StdBranchName());
\r
128 AliFatal("Error: MC particles branch not found!\n");
\r
130 Int_t nMC = arrayMC->GetEntries();
\r
131 for (Int_t iMC = 0; iMC < nMC; iMC++)
\r
133 AliAODMCParticle *partMC = (AliAODMCParticle*) arrayMC->At(iMC);
\r
134 if(!partMC->Charge()) continue;//Skip neutrals
\r
135 //if(partMC->Eta() > fTrackCuts->GetEtaMin() && partMC->Eta() < fTrackCuts->GetEtaMax()){//charged hadron are filled inside the eta acceptance
\r
136 //Printf("%f %f-%f",partMC->Eta(),fTrackCuts->GetEtaMin(),fTrackCuts->GetEtaMax());
\r
137 if(partMC->Eta() > fTrackCuts->GetEtaMin() && partMC->Eta() < fTrackCuts->GetEtaMax())
\r
138 fHistMan->GetPtHistogram(kHistPtGen)->Fill(partMC->Pt(),partMC->IsPhysicalPrimary());
\r
141 if(partMC->Y() > fTrackCuts->GetYMax()|| partMC->Y() < fTrackCuts->GetYMin() )
\r
143 if(partMC->IsPhysicalPrimary())
\r
145 // check for true PID + and fill P_t histos
\r
146 Int_t charge = partMC->Charge() > 0 ? kChPos : kChNeg ;
\r
147 Int_t id = fPID->GetParticleSpecie(partMC);
\r
148 if(id != kSpUndefined)
\r
150 fHistMan->GetHistogram2D(kHistPtGenTruePrimary,id,charge)->Fill(partMC->Pt(),partMC->IsPhysicalPrimary());
\r
154 if(ifAODEvent==AliSpectraBothTrackCuts::kESDobject)
\r
156 AliMCEvent* mcEvent = (AliMCEvent*) MCEvent();
\r
157 //Printf("MC particles: %d", mcEvent->GetNumberOfTracks());
\r
160 AliFatal("Error: MC particles branch not found!\n");
\r
162 stack = mcEvent->Stack();
\r
163 Int_t nMC = stack->GetNtrack();
\r
164 for (Int_t iMC = 0; iMC < nMC; iMC++)
\r
167 TParticle *partMC = stack->Particle(iMC);
\r
172 if(!partMC->GetPDG(0))
\r
174 if(TMath::Abs(partMC->GetPDG(0)->Charge()/3.0)<0.01)
\r
175 continue;//Skip neutrals
\r
176 if(partMC->Eta() > fTrackCuts->GetEtaMin() && partMC->Eta() < fTrackCuts->GetEtaMax())
\r
177 fHistMan->GetPtHistogram(kHistPtGen)->Fill(partMC->Pt(),stack->IsPhysicalPrimary(iMC));
\r
178 if(partMC->Y() > fTrackCuts->GetYMax() ||partMC->Y() < fTrackCuts->GetYMin() )
\r
180 if(stack->IsPhysicalPrimary(iMC))
\r
182 // check for true PID + and fill P_t histos
\r
183 Int_t charge = partMC->GetPDG(0)->Charge()/3.0 > 0 ? kChPos : kChNeg ;
\r
184 Int_t id = fPID->GetParticleSpecie(partMC);
\r
185 if(id != kSpUndefined)
\r
187 fHistMan->GetHistogram2D(kHistPtGenTruePrimary,id,charge)->Fill(partMC->Pt(),stack->IsPhysicalPrimary(iMC));
\r
193 if(!fdotheMCLoopAfterEventCuts)
\r
194 if(!fEventCuts->IsSelected(fAOD,fTrackCuts))return;//event selection
\r
196 //main loop on tracks
\r
198 //cout<<fAOD->GetNumberOfTracks()<<endl;
\r
199 for (Int_t iTracks = 0; iTracks < fAOD->GetNumberOfTracks(); iTracks++)
\r
201 AliVTrack* track = dynamic_cast<AliVTrack*>(fAOD->GetTrack(iTracks));
\r
202 AliAODTrack* aodtrack=0;
\r
203 AliESDtrack* esdtrack=0;
\r
205 if(ifAODEvent==AliSpectraBothTrackCuts::kESDobject)
\r
207 esdtrack=dynamic_cast<AliESDtrack*>(track);
\r
211 esdtrack->GetImpactParameters(dca,dcaz);
\r
213 else if (ifAODEvent==AliSpectraBothTrackCuts::kAODobject)
\r
215 aodtrack=dynamic_cast<AliAODTrack*>(track);
\r
218 dca=aodtrack->DCA();
\r
222 if (!fTrackCuts->IsSelected(track,kTRUE))
\r
225 fPID->FillQAHistos(fHistMan, track, fTrackCuts);
\r
227 //calculate DCA for AOD track
\r
229 {// track->DCA() does not work in old AOD production
\r
230 Double_t d[2], covd[3];
\r
231 AliVTrack* track_clone=(AliVTrack*)track->Clone("track_clone"); // need to clone because PropagateToDCA updates the track parameters
\r
232 Bool_t isDCA = track_clone->PropagateToDCA(fAOD->GetPrimaryVertex(),fAOD->GetMagneticField(),9999.,d,covd);
\r
233 delete track_clone;
\r
238 fHistMan->GetPtHistogram(kHistPtRec)->Fill(track->Pt(),dca); // PT histo
\r
239 // get identity and charge
\r
240 Bool_t rec[3]={false,false,false};
\r
241 Int_t idRec = fPID->GetParticleSpecie(fHistMan,track, fTrackCuts,rec);
\r
242 for(int irec=kSpPion;irec<kNSpecies;irec++)
\r
253 idRec = kSpUndefined;
\r
258 Int_t charge = track->Charge() > 0 ? kChPos : kChNeg;
\r
260 // Fill histograms, only if inside y and nsigma acceptance
\r
261 if(idRec != kSpUndefined && fTrackCuts->CheckYCut ((BothParticleSpecies_t)idRec))
\r
262 fHistMan->GetHistogram2D(kHistPtRecSigma,idRec,charge)->Fill(track->Pt(),dca);
\r
263 //can't put a continue because we still have to fill allcharged primaries, done later
\r
266 if (arrayMC||stack)
\r
268 Bool_t isPrimary = kFALSE;
\r
269 Bool_t isSecondaryMaterial = kFALSE;
\r
270 Bool_t isSecondaryWeak = kFALSE;
\r
271 Int_t idGen =kSpUndefined;
\r
273 if (ifAODEvent==AliSpectraBothTrackCuts::kAODobject)
\r
275 AliAODMCParticle *partMC = (AliAODMCParticle*) arrayMC->At(TMath::Abs(track->GetLabel()));
\r
278 AliError("Cannot get MC particle");
\r
281 // Check if it is primary, secondary from material or secondary from weak decay
\r
282 isPrimary = partMC->IsPhysicalPrimary();
\r
283 isSecondaryWeak = partMC->IsSecondaryFromWeakDecay();
\r
284 isSecondaryMaterial = partMC->IsSecondaryFromMaterial();
\r
285 //cout<<"AOD tagging "<<isPrimary<<" "<<isSecondaryWeak<<isSecondaryMaterial<<" "<<partMC->GetMCProcessCode()<<endl;
\r
287 if(!isPrimary&&!isSecondaryWeak&&!isSecondaryMaterial)
\r
289 AliError("old tagging");
\r
290 Int_t mfl=-999,codemoth=-999;
\r
291 Int_t indexMoth=partMC->GetMother(); // FIXME ignore fakes? TO BE CHECKED, on ESD is GetFirstMother()
\r
294 AliAODMCParticle* moth = (AliAODMCParticle*) arrayMC->At(indexMoth);
\r
295 codemoth = TMath::Abs(moth->GetPdgCode());
\r
296 mfl = Int_t (codemoth/ TMath::Power(10, Int_t(TMath::Log10(codemoth))));
\r
298 //Int_t uniqueID = partMC->GetUniqueID();
\r
299 //cout<<"uniqueID: "<<partMC->GetUniqueID()<<" "<<kPDecay<<endl;
\r
300 //cout<<"status: "<<partMC->GetStatus()<<" "<<kPDecay<<endl;
\r
301 // if(uniqueID == kPDecay)Printf("!!!!!!!!!!!!!!!!!!!!!!!!!!!!!");
\r
303 isSecondaryWeak = kTRUE; // add if(partMC->GetStatus() & kPDecay)? FIXME
\r
305 isSecondaryMaterial = kTRUE;
\r
307 //cout<<"AOD 2 tagging "<<isPrimary<<" "<<isSecondaryWeak<<isSecondaryMaterial<<" "<<partMC->GetMCProcessCode()<<endl;
\r
310 idGen = fPID->GetParticleSpecie(partMC);
\r
311 pdgcode=partMC->GetPdgCode();
\r
313 else if (ifAODEvent==AliSpectraBothTrackCuts::kESDobject)
\r
315 TParticle *partMC =stack->Particle(TMath::Abs(track->GetLabel()));
\r
318 AliError("Cannot get MC particle");
\r
321 isPrimary = stack->IsPhysicalPrimary(TMath::Abs(track->GetLabel()));
\r
322 isSecondaryWeak = stack->IsSecondaryFromWeakDecay(TMath::Abs(track->GetLabel()));
\r
323 isSecondaryMaterial = stack->IsSecondaryFromMaterial(TMath::Abs(track->GetLabel()));
\r
324 //cout<<"ESD tagging "<<isPrimary<<" "<<isSecondaryWeak<<isSecondaryMaterial<<endl;
\r
326 idGen = fPID->GetParticleSpecie(partMC);
\r
327 pdgcode=partMC->GetPdgCode();
\r
332 // cout<<isPrimary<<" "<<isSecondaryWeak<<" "<<isSecondaryMaterial<<endl;
\r
333 // cout<<" functions "<<partMC->IsPhysicalPrimary()<<" "<<partMC->IsSecondaryFromWeakDecay()<<" "<<partMC->IsSecondaryFromMaterial()<<endl;
\r
335 if (isPrimary&&irec==kSpPion)
\r
336 fHistMan->GetPtHistogram(kHistPtRecPrimaryAll)->Fill(track->Pt(),dca); // PT histo of primaries
\r
338 //nsigma cut (reconstructed nsigma)
\r
339 if(idRec == kSpUndefined)
\r
342 // rapidity cut (reconstructed pt and identity)
\r
343 if(!fTrackCuts->CheckYCut ((BothParticleSpecies_t)idRec)) continue;
\r
347 //if(TMath::Abs(partMC->Y()) > fTrackCuts->GetY() ) continue; // FIXME: do we need a rapidity cut on the generated?
\r
348 // Fill histograms for primaries
\r
350 if (idRec == idGen) fHistMan->GetHistogram2D(kHistPtRecTrue, idGen, charge)->Fill(track->Pt(),dca);
\r
354 fHistMan->GetHistogram2D(kHistPtRecSigmaPrimary, idRec, charge)->Fill(track->Pt(),dca);
\r
355 if(idGen != kSpUndefined)
\r
357 fHistMan->GetHistogram2D(kHistPtRecPrimary, idGen, charge)->Fill(track->Pt(),dca);
\r
358 if (idRec == idGen)
\r
359 fHistMan->GetHistogram2D(kHistPtRecTruePrimary, idGen, charge)->Fill(track->Pt(),dca);
\r
362 //25th Apr - Muons are added to Pions -- FIXME
\r
363 if ( pdgcode == 13 && idRec == kSpPion)
\r
365 fHistMan->GetPtHistogram(kHistPtRecTrueMuonPlus)->Fill(track->Pt(),dca);
\r
367 fHistMan->GetPtHistogram(kHistPtRecTruePrimaryMuonPlus)->Fill(track->Pt(),dca);
\r
369 if ( pdgcode == -13 && idRec == kSpPion)
\r
371 fHistMan->GetPtHistogram(kHistPtRecTrueMuonMinus)->Fill(track->Pt(),dca);
\r
374 fHistMan->GetPtHistogram(kHistPtRecTruePrimaryMuonMinus)->Fill(track->Pt(),dca);
\r
380 // Fill secondaries
\r
381 if(isSecondaryWeak )
\r
382 fHistMan->GetHistogram2D(kHistPtRecSigmaSecondaryWeakDecay, idRec, charge)->Fill(track->Pt(),dca);
\r
383 if(isSecondaryMaterial)
\r
384 fHistMan->GetHistogram2D(kHistPtRecSigmaSecondaryMaterial , idRec, charge)->Fill(track->Pt(),dca);
\r
390 } // end loop on tracks
\r
391 // cout<< ntracks<<endl;
\r
392 fHistMan->GetGenMulvsRawMulHistogram("hHistGenMulvsRawMul")->Fill(npar,ntracks);
\r
393 PostData(1, fHistMan );
\r
394 PostData(2, fEventCuts);
\r
395 PostData(3, fTrackCuts);
\r
396 PostData(4, fPID );
\r
399 //_________________________________________________________________
\r
400 void AliAnalysisTaskSpectraBoth::Terminate(Option_t *)
\r