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#ifndef ZEEKINEMATICTOOLS_H
#define ZEEKINEMATICTOOLS_H
#include <memory>
// user include files
#include "FWCore/Framework/interface/Frameworkfwd.h"
#include "DataFormats/Common/interface/TriggerResults.h"
#include "DataFormats/EgammaCandidates/interface/GsfElectron.h"
#include "DataFormats/EgammaCandidates/interface/GsfElectronFwd.h"
#include "SimDataFormats/GeneratorProducts/interface/HepMCProduct.h"
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/MakerMacros.h"
#include "FWCore/Framework/interface/EventSetup.h"
#include "FWCore/Framework/interface/ESHandle.h"
#include "DataFormats/EcalRecHit/interface/EcalRecHitCollections.h"
#include "Calibration/Tools/interface/HouseholderDecomposition.h"
#include "Calibration/Tools/interface/MinL3Algorithm.h"
#include "Calibration/Tools/interface/CalibrationCluster.h"
#include "Calibration/Tools/interface/CalibElectron.h"
#include "DataFormats/DetId/interface/DetId.h"
#include "TFile.h"
#include "TH1.h"
#include "TH2.h"
// class declaration
//
class ZeeKinematicTools {
public:
ZeeKinematicTools();
~ZeeKinematicTools();
static float calculateZMass_noTK(const std::pair<calib::CalibElectron*, calib::CalibElectron*>& aZCandidate);
static float calculateZMass_withTK(const std::pair<calib::CalibElectron*, calib::CalibElectron*>& aZCandidate);
static float calculateZEta(const std::pair<calib::CalibElectron*, calib::CalibElectron*>& aZCandidate);
static float calculateZTheta(const std::pair<calib::CalibElectron*, calib::CalibElectron*>& aZCandidate);
static float calculateZRapidity(const std::pair<calib::CalibElectron*, calib::CalibElectron*>& aZCandidate);
static float calculateZPhi(const std::pair<calib::CalibElectron*, calib::CalibElectron*>& aZCandidate);
static float calculateZPt(const std::pair<calib::CalibElectron*, calib::CalibElectron*>& aZCandidate);
static float calculateZMassWithCorrectedElectrons_noTK(
const std::pair<calib::CalibElectron*, calib::CalibElectron*>& aZCandidate,
float ele1EnergyCorrection,
float ele2EnergyCorrection);
static float calculateZMassWithCorrectedElectrons_withTK(
const std::pair<calib::CalibElectron*, calib::CalibElectron*>& aZCandidate,
float ele1EnergyCorrection,
float ele2EnergyCorrection);
static float cosThetaElectrons_SC(const std::pair<calib::CalibElectron*, calib::CalibElectron*>& aZCandidate,
float ele1EnergyCorrection,
float ele2EnergyCorrection);
static float cosThetaElectrons_TK(const std::pair<calib::CalibElectron*, calib::CalibElectron*>& aZCandidate,
float ele1EnergyCorrection,
float ele2EnergyCorrection);
};
#endif
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