eta_ntuple/Event.h

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// $Id$
//
//    File: Event.h
// Created: Tue Oct 13 09:55:12 EDT 2009
// Creator: davidl (on Darwin harriet.jlab.org 9.8.0 i386)
//

#ifndef _Event_
#define _Event_

#include <TObject.h>
#include <TVector3.h>
#include <TClonesArray.h>
#include <TLorentzVector.h>

#include "fcal_t.h"
#include "sc_t.h"
#include "bcal_t.h"

class Event:public TObject{

   public:

      Event();
      ~Event(){delete fcal;}

      UInt_t event;                 // event number
      TLorentzVector beam;          // Thrown beam photon parameters
      TLorentzVector proton_thrown; // Thrown proton parameters
      TLorentzVector eta_thrown;    // Thrown eta parameters
      TVector3 vertex;              // Thrown vertex position
      int prod_mech;                // Production mechanism (Primakoff, Nucl. Coherent, ...)
      int decay_mode;               // Decay mode of eta (gg or 3pi0)
      UInt_t Nfcal;                 // Number of elements in fcal
      TClonesArray *fcal;           //-> Array of all photons reconstructed in FCAL
      TLorentzVector eta_best;
      float t;
      UInt_t Nstart;                // Number of elements in sc
      TClonesArray *sc;             //-> Array of all hits reconstructed in Start Counter
      float E_bcal_tot;             // Total energy deposited in BCAL
      UInt_t Nbcal;                 // Number of elements in bcal
      TClonesArray *bcal;           //-> Array of all photons reconstructed in BCAL

      void Clear(void);
      void AddFCAL(TLorentzVector &p, TVector3 &x);
      void AddBCAL(TLorentzVector &p);
      void AddSC(int sector);

   private:
      ClassDef(Event,1);

};

#endif // _Event_