[u/mrichter/AliRoot.git] / PWGHF / vertexingHF / AliAnalysisTaskSEBkgLikeSignD0.h

#ifndef ALIANALYSISTASKSEBKGLIKESIGND0_H
#define ALIANALYSISTASKSEBKGLIKESIGND0_H

/* Copyright(c) 1998-2009, ALICE Experiment at CERN, All rights reserved. *
 * See cxx source for full Copyright notice                               */

/* $Id$ */ 

//*************************************************************************
// Class AliAnalysisTaskSEBkgLikeSignD0
// AliAnalysisTaskSE for reading both reconstructed D0 -> Kpi candidates
// and like sign pairs and for drawing corresponding distributions
// Author: C.Di Giglio, carmelo.digiglio@ba.infn.it
//*************************************************************************

#include <TROOT.h>
#include <TSystem.h>
#include <TList.h>
#include <TH1F.h>
#include <TH2F.h>

#include "AliAnalysisTaskSE.h"
#include "AliAnalysisVertexingHF.h"

class AliAnalysisTaskSEBkgLikeSignD0 : public AliAnalysisTaskSE
{
 public:

  AliAnalysisTaskSEBkgLikeSignD0();
  AliAnalysisTaskSEBkgLikeSignD0(const char *name);
  virtual ~AliAnalysisTaskSEBkgLikeSignD0();


  // Implementation of interface methods
  virtual void UserCreateOutputObjects();
  virtual void Init();
  virtual void LocalInit() {Init();}
  virtual void UserExec(Option_t *option);
  virtual void Terminate(Option_t *option);

 private:

  AliAnalysisTaskSEBkgLikeSignD0(const AliAnalysisTaskSEBkgLikeSignD0 &source);
  AliAnalysisTaskSEBkgLikeSignD0& operator=(const AliAnalysisTaskSEBkgLikeSignD0& source); 

  TList   *fOutput;                //! list send on output slot 0
  TH1F    *fHistMassD0;            //! output histograms
  TH1F    *fHistMassLS;            //!
  TH1F    *fHistCtsD0;             //! Cosine of decay angle
  TH1F    *fHistCtsLS;             //!
  TH1F    *fHistCtsLSpos;          //!
  TH1F    *fHistCtsLSneg;          //!
  TH1F    *fHistCPtaD0;            //! Cosine of pointing angle
  TH1F    *fHistCPtaLS;            //!
  TH1F    *fHistd0d0D0;            //! Product of impact parameters
  TH1F    *fHistd0d0LS;            //!
  TH1F    *fHistDCAD0;             //! Distance of closest approach
  TH1F    *fHistDCALS;             //! like-sign
  AliAnalysisVertexingHF *fVHF;    // Vertexer heavy flavour (used to pass the cuts)
  TH1F *fNentries;                 //! histogram with number of events
  Int_t fTotPosPairs;              //
  Int_t fTotNegPairs;              // normalization
  Double_t fLsNormalization;       //
 
  ClassDef(AliAnalysisTaskSEBkgLikeSignD0,1); // comparison of unlike-sign and like-sign background for D0->Kpi
};

#endif
Commit	Line	Data
5ba83ee1	1	#ifndef ALIANALYSISTASKSEBKGLIKESIGND0_H
5ba83ee1	2	#define ALIANALYSISTASKSEBKGLIKESIGND0_H
17e8df02	3
	4	/* Copyright(c) 1998-2009, ALICE Experiment at CERN, All rights reserved. *
	5	* See cxx source for full Copyright notice */
	6
27de2dfb	7	/* $Id$ */
27de2dfb	8
17e8df02	9	//*************************************************************************
	10	// Class AliAnalysisTaskSEBkgLikeSignD0
	11	// AliAnalysisTaskSE for reading both reconstructed D0 -> Kpi candidates
	12	// and like sign pairs and for drawing corresponding distributions
	13	// Author: C.Di Giglio, carmelo.digiglio@ba.infn.it
	14	//*************************************************************************
	15
	16	#include <TROOT.h>
	17	#include <TSystem.h>
	18	#include <TList.h>
	19	#include <TH1F.h>
	20	#include <TH2F.h>
	21
	22	#include "AliAnalysisTaskSE.h"
	23	#include "AliAnalysisVertexingHF.h"
	24
	25	class AliAnalysisTaskSEBkgLikeSignD0 : public AliAnalysisTaskSE
	26	{
	27	public:
	28
	29	AliAnalysisTaskSEBkgLikeSignD0();
	30	AliAnalysisTaskSEBkgLikeSignD0(const char *name);
	31	virtual ~AliAnalysisTaskSEBkgLikeSignD0();
	32
	33
	34	// Implementation of interface methods
	35	virtual void UserCreateOutputObjects();
	36	virtual void Init();
	37	virtual void LocalInit() {Init();}
	38	virtual void UserExec(Option_t *option);
	39	virtual void Terminate(Option_t *option);
	40
	41	private:
	42
	43	AliAnalysisTaskSEBkgLikeSignD0(const AliAnalysisTaskSEBkgLikeSignD0 &source);
	44	AliAnalysisTaskSEBkgLikeSignD0& operator=(const AliAnalysisTaskSEBkgLikeSignD0& source);
	45
	46	TList *fOutput; //! list send on output slot 0
	47	TH1F *fHistMassD0; //! output histograms
	48	TH1F *fHistMassLS; //!
	49	TH1F *fHistCtsD0; //! Cosine of decay angle
	50	TH1F *fHistCtsLS; //!
	51	TH1F *fHistCtsLSpos; //!
	52	TH1F *fHistCtsLSneg; //!
	53	TH1F *fHistCPtaD0; //! Cosine of pointing angle
	54	TH1F *fHistCPtaLS; //!
	55	TH1F *fHistd0d0D0; //! Product of impact parameters
	56	TH1F *fHistd0d0LS; //!
	57	TH1F *fHistDCAD0; //! Distance of closest approach
	58	TH1F *fHistDCALS; //! like-sign
	59	AliAnalysisVertexingHF *fVHF; // Vertexer heavy flavour (used to pass the cuts)
a27a5626	60	TH1F *fNentries; //! histogram with number of events
17e8df02	61	Int_t fTotPosPairs; //
	62	Int_t fTotNegPairs; // normalization
	63	Double_t fLsNormalization; //
	64
	65	ClassDef(AliAnalysisTaskSEBkgLikeSignD0,1); // comparison of unlike-sign and like-sign background for D0->Kpi
	66	};
	67
	68	#endif