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00001 #ifndef ElectronSqPtTkIsolation_h
00002 #define ElectronSqPtTkIsolation_h
00003 
00004 //C++ includes
00005 #include <vector>
00006 #include <functional>
00007 
00008 //Root includes
00009 #include "TObjArray.h"
00010 
00011 //CMSSW includes 
00012 #include "FWCore/Framework/interface/ESHandle.h"
00013 #include "DataFormats/EgammaCandidates/interface/GsfElectron.h"
00014 #include "DataFormats/TrackReco/interface/Track.h"
00015 
00016 
00017 class ElectronSqPtTkIsolation {
00018  public:
00019   
00020   //constructors
00021   ElectronSqPtTkIsolation ( double extRadius,
00022                 double intRadius,
00023                 double ptLow,
00024                 double lip,
00025                 const reco::TrackCollection* ) ;
00026   //destructor 
00027   ~ElectronSqPtTkIsolation() ;
00028  
00029   //methods
00030 
00031   int getNumberTracks(const reco::GsfElectron*) const ;
00032   double getPtTracks (const reco::GsfElectron*) const ;
00033   
00034  private:
00035     
00036   double extRadius_ ;
00037   double intRadius_ ;
00038   double ptLow_ ;
00039   double lip_ ;
00040 
00041   const reco::TrackCollection *trackCollection_ ;
00042 
00043   std::pair<int,double>getIso(const reco::GsfElectron*) const ;
00044 };
00045 
00046 #endif
00047 
00048

/data/refman/pasoursint/CMSSW_5_3_3/src/Calibration/Tools/plugins/ElectronSqPtTkIsolation.h