[u/mrichter/AliRoot.git] / PWGJE / FlavourJetTasks / AliAnalysisTaskFlavourJetCorrelations.h

#ifndef ALIANALYSISTASKFLAVOURJETCORRELATIONS_H
#define ALIANALYSISTASKFLAVOURJETCORRELATIONS_H
/**************************************************************************
* Copyright(c) 1998-2009, ALICE Experiment at CERN, All rights reserved. *
*                                                                        *
* Author: The ALICE Off-line Project.                                    *
* Contributors are mentioned in the code where appropriate.              *
*                                                                        *
* Permission to use, copy, modify and distribute this software and its   *
* documentation strictly for non-commercial purposes is hereby granted   *
* without fee, provided that the above copyright notice appears in all   *
* copies and that both the copyright notice and this permission notice   *
* appear in the supporting documentation. The authors make no claims     *
* about the suitability of this software for any purpose. It is          *
* provided "as is" without express or implied warranty.                  *
**************************************************************************/

//-----------------------------------------------------------------------
// Author : A. Grelli,  Utrecht University
//          C. Bianchin, Utrecht University
//          X. Zhang, LBNL
//-----------------------------------------------------------------------


#include <TH2F.h>
#include "AliAODEvent.h"
#include "AliPicoTrack.h"
#include "AliAnalysisTaskEmcalJet.h"

class TH3F;
class TParticle ;
class TClonesArray ;
class AliMCParticle;
class AliAODMCParticle;
class AliRDHFCuts;
class AliEmcalJet;
class AliAODRecoDecayHF;
class AliAODRecoCascadeHF;
class AliAODEvent;

class AliAnalysisTaskFlavourJetCorrelations : public AliAnalysisTaskEmcalJet 
{
   
public:
   
   enum ECandidateType{ kD0toKpi, kDstartoKpipi };
   
   AliAnalysisTaskFlavourJetCorrelations();
   AliAnalysisTaskFlavourJetCorrelations(const Char_t* name,AliRDHFCuts* cuts, ECandidateType candtype, Bool_t jetOnly=kFALSE);
   virtual ~AliAnalysisTaskFlavourJetCorrelations();
   
   virtual void     UserCreateOutputObjects();
   virtual Bool_t   Run();
   virtual void     Terminate(Option_t *);
   virtual void     Init();
   virtual void     LocalInit() {Init();}
   
   // inizializations
   Bool_t DefineHistoForAnalysis();  
   
   // set MC usage
   void   SetMC(Bool_t theMCon) {fUseMCInfo = theMCon;}
   Bool_t GetMC() const {return fUseMCInfo;}
   // set usage of reconstructed tracks
   void   SetUseReco(Bool_t reco) {fUseReco=reco;}
   Bool_t GetUseReco() const {return fUseReco;}
   //no setter because needed in the constructor
   Bool_t GetJetOnlyMode() const {return fJetOnlyMode;}
   void SetTypeDJetSelection(Int_t type) {fTypeDInJet=type;} //see IsDInJet for possibilities
   Int_t GetTypeDJetSelection() const {return fTypeDInJet;} 
   
   void SetMassLimits(Double_t range, Int_t pdg);
   void SetMassLimits(Double_t lowlimit, Double_t uplimit);
   
   //jet reconstruction algorithm
   void SetJetArrayName(TString jetArrName) {fJetArrName=jetArrName;};
   TString GetJetArrayName() const {return fJetArrName;};
   
   // trigger on jet events
   void SetTriggerOnLeadingJet(Bool_t triggerOnLeadingJet) {fLeadingJetOnly=triggerOnLeadingJet;};
   Bool_t GetTriggerOnLeadingJet() const {return fLeadingJetOnly;}
   
   
   // Array of D0 width for the Dstar
   Bool_t SetD0WidthForDStar(Int_t nptbins,Float_t* width);
   
   //Bool_t   FillMCDJetInfo(AliPicoTrack *jetTrk,AliEmcalJet* jet, TClonesArray *mcArray,Double_t ptjet);
   void FillHistogramsRecoJetCorr(AliVParticle* candidate, AliEmcalJet *jet, AliAODEvent* aodEvent);
   void FillHistogramsD0JetCorr(AliAODRecoDecayHF* candidate, Double_t dPhi, Double_t phiD, Double_t z, Double_t ptD, Double_t ptj, AliAODEvent* aodEvent);
   
   void FillHistogramsDstarJetCorr(AliAODRecoCascadeHF* dstar, Double_t dPhi, Double_t phiD, Double_t z, Double_t ptD, Double_t ptj);
   void FillHistogramsMCGenDJetCorr(Double_t dPhi, Double_t phiD, Double_t z,Double_t ptD,Double_t ptjet);
   void SideBandBackground(AliAODRecoCascadeHF *candDstar, AliEmcalJet *jet);
   void MCBackground(AliAODRecoDecayHF *candbg);
   void FillMassHistograms(Double_t mass,Double_t ptD);
   void FlagFlavour(AliEmcalJet* jet);
   Int_t IsDzeroSideBand(AliAODRecoCascadeHF *candDstar);
   
private:
   
   AliAnalysisTaskFlavourJetCorrelations(const AliAnalysisTaskFlavourJetCorrelations &source);
   AliAnalysisTaskFlavourJetCorrelations& operator=(const AliAnalysisTaskFlavourJetCorrelations& source); 
   
   Double_t Z(AliVParticle* part,AliEmcalJet* jet, Bool_t transverse=kFALSE) const;
   Double_t Z(Double_t* p, Double_t *pj) const;
   Double_t ZT(Double_t* p, Double_t *pj) const;
   Float_t DeltaR(AliVParticle *p1, AliVParticle *p2) const;
   Bool_t AreDaughtersInJet(AliEmcalJet *thejet, AliAODRecoDecayHF* charm, Int_t*& daughOutOfJet, AliAODTrack**& dtrks, Bool_t fillH);
   Bool_t IsDInJet(AliEmcalJet *thejet, AliAODRecoDecayHF* charm, Bool_t fillH=kFALSE);
   void RecalculateMomentum(Double_t* pj, const Double_t* pmissing) const;
   
   
   Bool_t fUseMCInfo;             //  Use MC info
   Bool_t fUseReco;               // use reconstructed tracks when running on MC
   Int_t  fCandidateType;         // Dstar or D0
   Int_t  fPDGmother;             // PDG code of D meson
   Int_t  fNProngs;               // number of prong of the decay channel  
   Int_t  fPDGdaughters[4];       // PDG codes of daughters
   Float_t fSigmaD0[30];          //
   TString fBranchName;           // AOD branch name
   AliRDHFCuts *fCuts;            // Cuts 
   
   Double_t fMinMass;             // mass lower limit histogram
   Double_t fMaxMass;             // mass upper limit histogram
   
   TString  fJetArrName;          // name of the jet array, taken from the task running the jet finder
   TString fCandArrName;          // string which correspond to the candidate type
   Bool_t fLeadingJetOnly;        // use only the leading jet in the event to make the correlations
   Double_t fJetRadius;           // jet radius (filled from the JetContainer)
   TClonesArray *fCandidateArray;   //! contains candidates selected by AliRDHFCuts
   TClonesArray *fSideBandArray;    //! contains candidates selected by AliRDHFCuts::IsSelected(kTracks), to be used for side bands (DStar case only!!)
   Bool_t fJetOnlyMode;           //switch to simple version which analyses jets only
   Double_t fPmissing[3];             // jet missing momentum due to D mesons out of cone
   Double_t fPtJet;                   // pt jet, if requeted corrected with the missing pt
   Bool_t   fIsDInJet;                // flag D meson in jet
   Int_t    fTypeDInJet;              // way of selecting D in jets (see IsDInJet in cxx)
   TClonesArray *fTrackArr;      //array of the tracks used in the jet finder 
   
   ClassDef(AliAnalysisTaskFlavourJetCorrelations,5); // class for charm-jet CorrelationsExch
};

#endif
Commit	Line	Data
c683985a	1	#ifndef ALIANALYSISTASKFLAVOURJETCORRELATIONS_H
	2	#define ALIANALYSISTASKFLAVOURJETCORRELATIONS_H
	3	/**************************************************************************
b2705b43	4	* Copyright(c) 1998-2009, ALICE Experiment at CERN, All rights reserved. *
	5	* *
	6	* Author: The ALICE Off-line Project. *
	7	* Contributors are mentioned in the code where appropriate. *
	8	* *
	9	* Permission to use, copy, modify and distribute this software and its *
	10	* documentation strictly for non-commercial purposes is hereby granted *
	11	* without fee, provided that the above copyright notice appears in all *
	12	* copies and that both the copyright notice and this permission notice *
	13	* appear in the supporting documentation. The authors make no claims *
	14	* about the suitability of this software for any purpose. It is *
	15	* provided "as is" without express or implied warranty. *
	16	**************************************************************************/
c683985a	17
	18	//-----------------------------------------------------------------------
	19	// Author : A. Grelli, Utrecht University
	20	// C. Bianchin, Utrecht University
	21	// X. Zhang, LBNL
	22	//-----------------------------------------------------------------------
	23
	24
	25	#include <TH2F.h>
	26	#include "AliAODEvent.h"
	27	#include "AliPicoTrack.h"
	28	#include "AliAnalysisTaskEmcalJet.h"
	29
	30	class TH3F;
	31	class TParticle ;
	32	class TClonesArray ;
	33	class AliMCParticle;
	34	class AliAODMCParticle;
	35	class AliRDHFCuts;
	36	class AliEmcalJet;
	37	class AliAODRecoDecayHF;
	38	class AliAODRecoCascadeHF;
	39	class AliAODEvent;
	40
	41	class AliAnalysisTaskFlavourJetCorrelations : public AliAnalysisTaskEmcalJet
	42	{
b2705b43	43
	44	public:
	45
	46	enum ECandidateType{ kD0toKpi, kDstartoKpipi };
	47
	48	AliAnalysisTaskFlavourJetCorrelations();
	49	AliAnalysisTaskFlavourJetCorrelations(const Char_t* name,AliRDHFCuts* cuts, ECandidateType candtype, Bool_t jetOnly=kFALSE);
	50	virtual ~AliAnalysisTaskFlavourJetCorrelations();
	51
	52	virtual void UserCreateOutputObjects();
	53	virtual Bool_t Run();
	54	virtual void Terminate(Option_t *);
	55	virtual void Init();
	56	virtual void LocalInit() {Init();}
	57
	58	// inizializations
	59	Bool_t DefineHistoForAnalysis();
	60
	61	// set MC usage
	62	void SetMC(Bool_t theMCon) {fUseMCInfo = theMCon;}
	63	Bool_t GetMC() const {return fUseMCInfo;}
	64	// set usage of reconstructed tracks
	65	void SetUseReco(Bool_t reco) {fUseReco=reco;}
	66	Bool_t GetUseReco() const {return fUseReco;}
	67	//no setter because needed in the constructor
	68	Bool_t GetJetOnlyMode() const {return fJetOnlyMode;}
	69	void SetTypeDJetSelection(Int_t type) {fTypeDInJet=type;} //see IsDInJet for possibilities
	70	Int_t GetTypeDJetSelection() const {return fTypeDInJet;}
	71
	72	void SetMassLimits(Double_t range, Int_t pdg);
	73	void SetMassLimits(Double_t lowlimit, Double_t uplimit);
	74
	75	//jet reconstruction algorithm
	76	void SetJetArrayName(TString jetArrName) {fJetArrName=jetArrName;};
	77	TString GetJetArrayName() const {return fJetArrName;};
	78
	79	// trigger on jet events
	80	void SetTriggerOnLeadingJet(Bool_t triggerOnLeadingJet) {fLeadingJetOnly=triggerOnLeadingJet;};
	81	Bool_t GetTriggerOnLeadingJet() const {return fLeadingJetOnly;}
	82
	83
	84	// Array of D0 width for the Dstar
	85	Bool_t SetD0WidthForDStar(Int_t nptbins,Float_t* width);
	86
	87	//Bool_t FillMCDJetInfo(AliPicoTrack jetTrk,AliEmcalJet jet, TClonesArray *mcArray,Double_t ptjet);
	88	void FillHistogramsRecoJetCorr(AliVParticle* candidate, AliEmcalJet jet, AliAODEvent aodEvent);
	89	void FillHistogramsD0JetCorr(AliAODRecoDecayHF* candidate, Double_t dPhi, Double_t phiD, Double_t z, Double_t ptD, Double_t ptj, AliAODEvent* aodEvent);
	90
	91	void FillHistogramsDstarJetCorr(AliAODRecoCascadeHF* dstar, Double_t dPhi, Double_t phiD, Double_t z, Double_t ptD, Double_t ptj);
	92	void FillHistogramsMCGenDJetCorr(Double_t dPhi, Double_t phiD, Double_t z,Double_t ptD,Double_t ptjet);
	93	void SideBandBackground(AliAODRecoCascadeHF candDstar, AliEmcalJet jet);
	94	void MCBackground(AliAODRecoDecayHF *candbg);
	95	void FillMassHistograms(Double_t mass,Double_t ptD);
	96	void FlagFlavour(AliEmcalJet* jet);
	97	Int_t IsDzeroSideBand(AliAODRecoCascadeHF *candDstar);
	98
	99	private:
	100
	101	AliAnalysisTaskFlavourJetCorrelations(const AliAnalysisTaskFlavourJetCorrelations &source);
	102	AliAnalysisTaskFlavourJetCorrelations& operator=(const AliAnalysisTaskFlavourJetCorrelations& source);
	103
09fce7b3	104	Double_t Z(AliVParticle* part,AliEmcalJet* jet, Bool_t transverse=kFALSE) const;
	105	Double_t Z(Double_t* p, Double_t *pj) const;
	106	Double_t ZT(Double_t* p, Double_t *pj) const;
b2705b43	107	Float_t DeltaR(AliVParticle p1, AliVParticle p2) const;
	108	Bool_t AreDaughtersInJet(AliEmcalJet thejet, AliAODRecoDecayHF charm, Int_t& daughOutOfJet, AliAODTrack*& dtrks, Bool_t fillH);
	109	Bool_t IsDInJet(AliEmcalJet thejet, AliAODRecoDecayHF charm, Bool_t fillH=kFALSE);
	110	void RecalculateMomentum(Double_t* pj, const Double_t* pmissing) const;
	111
	112
	113	Bool_t fUseMCInfo; // Use MC info
	114	Bool_t fUseReco; // use reconstructed tracks when running on MC
	115	Int_t fCandidateType; // Dstar or D0
	116	Int_t fPDGmother; // PDG code of D meson
	117	Int_t fNProngs; // number of prong of the decay channel
	118	Int_t fPDGdaughters[4]; // PDG codes of daughters
	119	Float_t fSigmaD0[30]; //
	120	TString fBranchName; // AOD branch name
	121	AliRDHFCuts *fCuts; // Cuts
	122
	123	Double_t fMinMass; // mass lower limit histogram
	124	Double_t fMaxMass; // mass upper limit histogram
	125
	126	TString fJetArrName; // name of the jet array, taken from the task running the jet finder
	127	TString fCandArrName; // string which correspond to the candidate type
	128	Bool_t fLeadingJetOnly; // use only the leading jet in the event to make the correlations
	129	Double_t fJetRadius; // jet radius (filled from the JetContainer)
	130	TClonesArray *fCandidateArray; //! contains candidates selected by AliRDHFCuts
	131	TClonesArray *fSideBandArray; //! contains candidates selected by AliRDHFCuts::IsSelected(kTracks), to be used for side bands (DStar case only!!)
	132	Bool_t fJetOnlyMode; //switch to simple version which analyses jets only
	133	Double_t fPmissing[3]; // jet missing momentum due to D mesons out of cone
	134	Double_t fPtJet; // pt jet, if requeted corrected with the missing pt
	135	Bool_t fIsDInJet; // flag D meson in jet
	136	Int_t fTypeDInJet; // way of selecting D in jets (see IsDInJet in cxx)
	137	TClonesArray *fTrackArr; //array of the tracks used in the jet finder
	138
	139	ClassDef(AliAnalysisTaskFlavourJetCorrelations,5); // class for charm-jet CorrelationsExch
c683985a	140	};
	141
	142	#endif