Central Diffractive pp-Analysis, Heidelberg Group:

[u/mrichter/AliRoot.git] / PWG2 / DIFFRACTIVE / AliAnalysisTaskDDMeson.h

diff --git a/PWG2/DIFFRACTIVE/AliAnalysisTaskDDMeson.h b/PWG2/DIFFRACTIVE/AliAnalysisTaskDDMeson.h
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+/*************************************************************************
+* Copyright(c) 1998-1999, 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.                  *
+**************************************************************************/
+//
+// Select events accroding to L0 trigger input
+// Reconstruct 2pi mass
+// save charge, Armenteros' x and y,  pid, momentum
+//
+
+#ifndef ALIANALYSISTASKDDMESON_H
+#define ALIANALYSISTASKDDMESON_H
+
+#ifndef ALIANALYSISTASK_H
+#include "AliAnalysisTaskSE.h"
+#endif
+
+class AliESDEvent; 
+class AliESDtrack;
+
+class TH1I;
+class TH2I;
+class TH2D;
+class TList; 
+class THnSparse;
+class TLorentzVector;
+
+class AliAnalysisTaskDDMeson : public AliAnalysisTaskSE{
+  public:
+
+    AliAnalysisTaskDDMeson(const TString opt);
+    AliAnalysisTaskDDMeson(const AliAnalysisTaskDDMeson  &p);
+    AliAnalysisTaskDDMeson& operator=(const AliAnalysisTaskDDMeson  &p);
+    virtual ~AliAnalysisTaskDDMeson();
+    
+    virtual void UserCreateOutputObjects();
+    virtual void UserExec(Option_t *);
+    virtual void Terminate(Option_t *);
+
+    void IniTask();
+
+    Bool_t CheckESD();
+    Bool_t CheckBit();
+    Int_t CutESD(const AliESDtrack *outtrk[]);
+    //Bool_t CutTrack(const AliESDtrack * esdtrack) const;
+
+    //------
+    void SwapTrack(const AliESDtrack * trks[]) const;
+
+    Int_t GetV0() const;
+    Int_t GetCombCh(const Double_t s1, const Double_t s2) const;
+
+    TLorentzVector GetKinematics(const Double_t *pa, const Double_t *pb, const Double_t ma, const Double_t mb, Double_t & cts) const;
+    Double_t GetCtlab(const Double_t *pa, const Double_t *pb) const;
+
+    void CheckRange(Double_t &ptv, Double_t &pta, Double_t &etaa
+                    , Double_t &mpi
+                    ) const;
+
+    void FillBit();
+    void CalcBit(TH1I *hc, Double_t tot[]) const;
+
+    //---
+    void SPDLoadGeom() const;
+    Bool_t SPDLoc2Glo(const Int_t id, const Double_t *loc, Double_t *glo) const;
+    Bool_t CheckChipEta(const Int_t chipKey) const;
+    void GetNFO(Int_t &ni, Int_t &no) const;
+
+ private:
+    TString fOpt;                            //option
+    AliESDEvent *fESD;                          //esd event                    
+    //------
+
+    Int_t fnmass;                          //nbins for mass
+    Double_t fmass1;                       //upper edge of axis   
+
+    Int_t fnptv;                             //nbins for p
+    Double_t fptv1;                         //upper edge of axis  
+
+    Int_t fnpta;                             //nbins for p
+    Double_t fpta1;                         //upper edge of axis  
+
+    Int_t fneta;                           //nbins for eta
+    Double_t feta;                        //upper edge of axis
+
+    Int_t fnnsel;                           //nbins for nsel
+    Double_t fnsel1;                        //upper edge of axis
+
+    Int_t fncts;                            //nbins for cts
+    Int_t fnctlab;                           //nbins for ctlab
+
+    //------
+    Int_t fCHECKVBA;                       //V0A bit
+    Int_t fCHECKVBC;                       //V0C bit
+
+    TH1I *fHBIT;                                //histogram of bits
+    Int_t fBitcg;                                 //trigger bit configuration
+ 
+    Int_t fRun;                                   //run number
+    TH1I *fat;                                  //V0A-only
+    TH1I *fct;                                  //V0C-only
+    TH1I *fbt;                                  //V0A & V0C
+    TH1I *fnt;                                  //!V0A & !V0C
+    TH1I *ftt;                                  //TOTAL
+
+    //------
+    TH2D *fv0ntrk;                               //v0bit vs. nch
+    TH2D *frsntrk;                               //raw vs. sel
+
+    TH1I *fhps;                                 //V0 BG
+    TH2I *fhfo; //SPD fastor hardware, in eta acceptance
+    TH1I *fhspd;//SPD fastor offline
+    TH2I *fhv0fmd; //v0 vs fmd
+    TH1I *fhpriv;                               //primary vertex cut effect
+    TH1I *fhntrk;                               //n-trk-after-cut effect
+
+    //------
+    TList *fHist;                             //output list
+    THnSparse *fThnMass;                    //ThnSparse for mother pt and Mass
+    THnSparse *fThnDPt;                    //ThnSparse for pt and eta of daughter
+    THnSparse *fThnDEta;                    //ThnSparse for pt and eta of daughter
+    THnSparse *fThnKF; //kf
+    ClassDef(AliAnalysisTaskDDMeson, 1);
+};
+
+
+#endif
+