PWGLF/STRANGENESS/LambdaK0PbPb/AliAnalysisTaskLukeV0.h

   1 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
   2  * See cxx source for full Copyright notice                               */
   3
   4 /* $Id: AliAnalysisTaskLukeV0.h 45956 2010-12-10 12:55:37Z agheata $ */
   5 /* AliAnalysisTaskLukeV0.h
   6  *
   7  * Header file for task AliAnalysisTaskLukeV0.cxx
   8  * The task is designed to extract Lambda, Antilambda & K0s spectra from PbPb collision data/MC
   9  *
  10  * Based on tutorial example from offline pages
  11  * Edited by Arvinder Palaha
  12  * Further adapted by Luke Hanratty
  13  */
  14
  15 #ifndef ALIANALYSISTASKLukeV0_H
  16 #define ALIANALYSISTASKLukeV0_H
  17
  18 class TH1F;
  19 class TH2F;
  20 class TList;
  21 class AliESDtrackCuts;
  22 class AliPIDResponse;
  23
  24 #ifndef ALIANALYSISTASKSE_H
  25 #include "AliAnalysisTaskSE.h"
  26 #endif
  27
  28 class AliAnalysisTaskLukeV0 : public AliAnalysisTaskSE {
  29  public:
  30     AliAnalysisTaskLukeV0();
  31     AliAnalysisTaskLukeV0(const char *name);
  32     virtual ~AliAnalysisTaskLukeV0();
  33
  34     virtual void     UserCreateOutputObjects();
  35     virtual void     UserExec(Option_t *option);
  36     virtual void     Terminate(Option_t *);
  37
  38  private:
  39     TList           *fOutputList;                       // Output list
  40     AliESDtrackCuts *fTrackCuts;                        // Track cuts
  41         AliPIDResponse  *fPIDResponse;                  // PID
  42     TH1F                        *fHistCosPA;                    // Cosine of pointing angle
  43         TH1F                    *fHistDCAV0Daughters;   //      DCA between the v0 daughters
  44         TH1F                    *fHistDecayL;                   //      3d decay length of V0
  45         TH1F                    *fHistImpactxyN;                //      Impact paramater of negative daughter in xy plane
  46         TH1F                    *fHistImpactzN;                 //  Impact paramater of negative daughter in z direction
  47         TH1F                    *fHistImpactxyP;                //  Impact paramater of positive daughter in xy plane
  48         TH1F                    *fHistImpactzP;                 //  Impact paramater of positive daughter in z direction
  49         TH1F                    *fHistMCLambdacTau;             // cTau distribution of MC lambdas
  50         TH1F                    *fHistMCLambdaNotcTau;  // cTau distribution of MC lambda background
  51         TH1F                    *fHistMCLambdaDecayL;   // Decay Length distribution of MC lambdas
  52         TH1F                    *fHistMCLambdaNotDecayL;        // Decay Length distribution of MC lambda background
  53         TH1F                    *fHistMcNLambdaPrimary; //      Number of primary lambdas in MC event
  54         TH1F                    *fHistMcNLambda;                //      Number of lambdas in MC event
  55         TH1F                    *fHistMcNAntilambda;    //      Number of antilambdas in MC event
  56         TH1F                    *fHistMcNKshort;                //      Number of K0s in MC event
  57         TH1F                    *fHistMK0;                              //      Reconstructed K0 mass for all V0s
  58         TH1F                    *fHistMLa;                              //      Reconstructed Lambda mass for all V0s
  59         TH1F                    *fHistMLb;                              //      Reconstructed Antilambda mass for all V0s
  60         TH1F                    *fHistNLambda;                  //      Number of lambda candidates in peak region per event
  61         TH1F                    *fHistNV0;                              //      Number of V0s per event
  62         TH1F                    *fHistPtV0;                             //      Transverse momentum distribution of V0s
  63         TH1F                    *fHistPVZ;                              //      Distribution of Z coordinate of primary vertex
  64         TH1F                    *fHistTauLa;                    //      Distribution of 'lambda' lifetime*c
  65         TH1F                    *fHistV0Z;                              //      Z coordinate of V0 decay
  66         TH1F                    *fHistZ;                                //      Distance in Z between primary vertex and v0 decay
  67         TH2F                    *fHistBetheBlochTPCNeg; //      TPC response for negative daughters vs momentum
  68         TH2F                    *fHistBetheBlochTPCPos; //      TPC response for positive daughters vs momentum
  69         TH2F                    *fHistImpactxyImpactz;  //      Impact paramater in xy vs z
  70         TH2F                    *fHistMcPMK0Pt;                 //      Transverse momentum distribution vs reconstructed K0 mass of primary K0s in MC
  71         TH2F                    *fHistMcPMLaPt;                 //      Transverse momentum distribution vs reconstructed Lambda mass of primary Lambda in MC
  72         TH2F                    *fHistMcPMLbPt;                 //      Transverse momentum distribution vs reconstructed Antilambd mass of primary Antilambda in MC
  73         TH2F                    *fHistMcV0MK0Pt;                //      Reconstructed K0 mass vs transverse momentum of V0s passing cuts in MC
  74         TH2F                    *fHistMcV0MLaPt;                //      Reconstructed Lambda mass vs transverse momentum of V0s passing cuts in MC
  75         TH2F                    *fHistMcV0MLbPt;                //      Reconstructed Antilambda mass vs transverse momentum of V0s passing cuts in MC
  76         TH2F                    *fHistMK0Pt;                    //      Mass of 'K0' vs transverse momentum
  77         TH2F                    *fHistMLaPt;                    //      Mass of 'Lambda' vs transverse momentum
  78         TH2F                    *fHistMLbPt;                    //      Mass of 'Antilambda' vs transverse momentum
  79         TH2F                    *fHistPtArm;                    //      Podolanski-Armenteros plot of V0s
  80         TH2F                    *fHistPtV0Z;                    //      Transverse momentum vs Z coordinate of v0 decay
  81         TH2F                    *fHistRZ;                               //      Radius vs z of V0 decay
  82         TH2F                    *fHistXZ;                               //      X vs z of V0 decay
  83         TH2F                    *fHistYZ;                               //      Y vs Z of V0 decay
  84
  85     // NEW HISTO to be declared here
  86
  87     AliAnalysisTaskLukeV0(const AliAnalysisTaskLukeV0&); // not implemented
  88     AliAnalysisTaskLukeV0& operator=(const AliAnalysisTaskLukeV0&); // not implemented
  89
  90     ClassDef(AliAnalysisTaskLukeV0, 1); // example of analysis
  91 };
  92
  93 #endif
  94