/home/bes3soft/bes3soft/Boss/7.0.2/dist/7.0.2/Analysis/Physics/PsiPrime/PipiJpsiAlg/PipiJpsiAlg-00-00-03/PipiJpsiAlg/PipiJpsi.h

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//psi'--> J/psi pion pion, J/psi --> di-leptons
//Kai Zhu (zhuk@ihep.ac.cn)
#ifndef Physics_Analysis_PipiJpsi_H
#define Physics_Analysis_PipiJpsi_H 

#include "GaudiKernel/AlgFactory.h"
#include "GaudiKernel/Algorithm.h"
#include "GaudiKernel/NTuple.h"
#include "trkInfo.h"

class PipiJpsi : public Algorithm {

public:
  PipiJpsi(const std::string& name, ISvcLocator* pSvcLocator);
  StatusCode initialize();
  StatusCode execute();
  StatusCode finalize();  

private:

  // Declare r0, z0 cut for charged tracks
  double m_vr0cut;
  double m_vz0cut;

  // 
  bool m_checkDedx;
  bool m_checkTof;
  bool m_eventrate;
  int m_chan_det;
  // declare the track angle cut and track's transverse momentum
  double m_cosThetaCut;  

  // declare the cut angle between two pions to drop gamma conversion
  double m_pipi_dang_cut;

  // declare whether pick up sub-sample
  bool m_subsample_flag, m_trigger_flag;

  // declare energy/moentum to distinguish e and muon
  double m_distin_emuon;

  // define Ntuples here
  NTuple::Tuple*  m_tuple1;      // charged track vertex
  NTuple::Item<double>  m_vx0;
  NTuple::Item<double>  m_vy0;
  NTuple::Item<double>  m_vz0;
  NTuple::Item<double>  m_vr0;

  NTuple::Tuple*  m_tuple2;      // fake photon
  NTuple::Item<double>  m_dthe;
  NTuple::Item<double>  m_dphi;
  NTuple::Item<double>  m_dang;
  NTuple::Item<double>  m_eraw;
  NTuple::Item<long>  m_nGam;

  NTuple::Tuple* m_tuple3;    // dE/dx
  NTuple::Item<double> m_ptrk;
  NTuple::Item<double> m_chie;
  NTuple::Item<double> m_chimu;
  NTuple::Item<double> m_chipi;
  NTuple::Item<double> m_chik;
  NTuple::Item<double> m_chip;
  NTuple::Item<double> m_probPH;
  NTuple::Item<double> m_normPH;
  NTuple::Item<double> m_ghit;
  NTuple::Item<double> m_thit;

  NTuple::Tuple* m_tuple4;   // endcap tof
  NTuple::Item<double> m_ptot_etof;
  NTuple::Item<double> m_cntr_etof;
  NTuple::Item<double> m_path_etof;
  NTuple::Item<double> m_tof_etof;
  NTuple::Item<double> m_te_etof;
  NTuple::Item<double> m_tmu_etof;
  NTuple::Item<double> m_tpi_etof;
  NTuple::Item<double> m_tk_etof;
  NTuple::Item<double> m_tp_etof;
  NTuple::Item<double> m_ph_etof;
  NTuple::Item<double> m_rhit_etof;
  NTuple::Item<double> m_qual_etof;

  NTuple::Tuple* m_tuple5;  // barrel inner tof
  NTuple::Item<double> m_ptot_btof1;
  NTuple::Item<double> m_cntr_btof1;
  NTuple::Item<double> m_path_btof1;
  NTuple::Item<double> m_tof_btof1;
  NTuple::Item<double> m_te_btof1;
  NTuple::Item<double> m_tmu_btof1;
  NTuple::Item<double> m_tpi_btof1;
  NTuple::Item<double> m_tk_btof1;
  NTuple::Item<double> m_tp_btof1;
  NTuple::Item<double> m_ph_btof1;
  NTuple::Item<double> m_zhit_btof1;
  NTuple::Item<double> m_qual_btof1;

  NTuple::Tuple* m_tuple6;  // barrel outer tof
  NTuple::Item<double> m_ptot_btof2;
  NTuple::Item<double> m_cntr_btof2;
  NTuple::Item<double> m_path_btof2;
  NTuple::Item<double> m_tof_btof2;
  NTuple::Item<double> m_te_btof2;
  NTuple::Item<double> m_tmu_btof2;
  NTuple::Item<double> m_tpi_btof2;
  NTuple::Item<double> m_tk_btof2;
  NTuple::Item<double> m_tp_btof2;
  NTuple::Item<double> m_ph_btof2;
  NTuple::Item<double> m_zhit_btof2;
  NTuple::Item<double> m_qual_btof2;
  
  // with the method of momentum selection
  NTuple::Tuple* m_tuple8; 
  NTuple::Item<double> m_mom_lepm;                  
  NTuple::Item<double> m_mom_lepp;          
  NTuple::Item<double> m_mom_pionp;                 
  NTuple::Item<double> m_mom_pionm;                 
  NTuple::Item<double> m_pipi_dang;                 
  NTuple::Item<double> m_cms_lepp;                  
  NTuple::Item<double> m_cms_lepm;
  NTuple::Item<double> m_mass_twopi;       
  NTuple::Item<double> m_mass_jpsi;   
  NTuple::Item<double> m_mass_recoil;   
  NTuple::Item<double> m_inv_mass;   
  NTuple::Item<double> m_tot_e;   
  NTuple::Item<double> m_tot_px;   
  NTuple::Item<double> m_tot_py;   
  NTuple::Item<double> m_tot_pz;   
  NTuple::Item<double> m_ep_ratio;
  NTuple::Item<long>   m_event_flag; // 3 or 4 tracks, 4=>4 tracks, 0=> miss pi+, 1=> miss pi-, 2=> miss lepton+, 3=> miss lepton-
  NTuple::Item<double> m_trans_ratio_lepm;                  
  NTuple::Item<double> m_trans_ratio_lepp;          
  NTuple::Item<double> m_trans_ratio_pionp;                 
  NTuple::Item<double> m_trans_ratio_pionm;         
  NTuple::Item<long> m_run;
  NTuple::Item<long> m_event;
  NTuple::Item<long> m_index;
  NTuple::Array<double> m_cos_theta;
  NTuple::Array<double> m_phi;
  NTuple::Matrix<double> m_four_mom;
  // we don't need smear, actually, assume one track of pi pi is missing, the recoil mass is actually the invariant of pair-lepton
  NTuple::Item<long> m_pion_matched;
  NTuple::Item<long> m_lep_matched;
  // book MCtruth
  NTuple::Item<long>   m_idxmc;
  NTuple::Array<long>  m_pdgid;
  NTuple::Array<long>  m_motheridx;
  NTuple::Item<double> m_true_pionp; // pions' momentum from MC truth   
  NTuple::Item<double> m_true_pionm;   

};


#endif 

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