/cvmfs/atlas.cern.ch/repo/sw/ASG/AnalysisBase/2.4.31/MuonMomentumCorrections/MuonMomentumCorrections/MuonResolutionAndMomentumScaleFactors.h

//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// 30.08.2012, AUTHOR: OLIVER KORTNER
//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

#ifndef HiggsZZ4lUtils_MuonResolutionAndMomentumScaleFactorsH
#define HiggsZZ4lUtils_MuonResolutionAndMomentumScaleFactorsH

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//:: CLASS MuonResolutionAndMomentumScaleFactors ::
//:::::::::::::::::::::::::::::::::::::::::::::::::


//::::::::::::::::::
//:: HEADER FILES ::
//::::::::::::::::::

// STL //
#include <vector>
#include <string>

// ROOT //
#include "TLorentzVector.h"

namespace Analysis {

class MuonResolutionAndMomentumScaleFactors {

public:
// Constructor //
    MuonResolutionAndMomentumScaleFactors(const std::string & data_filename);

// Methods //
    double getResolutionScaleFactor(const TLorentzVector & p,
                                    int type);

    double getResolutionScaleFactorError(const TLorentzVector & p,
                                    int type);

    double getMomentumScaleFactor(const TLorentzVector & p,
                                    int type);

    double getMomentumScaleFactorError(const TLorentzVector & p,
                                    int type);

private:
    std::vector<double> m_eta_min, m_eta_max;

    std::vector<double> m_res_SF_CB, m_res_SF_CB_err;
    std::vector<double> m_mom_SF_CB, m_mom_SF_CB_err;

    std::vector<double> m_res_SF_ID, m_res_SF_ID_err;
    std::vector<double> m_mom_SF_ID, m_mom_SF_ID_err; 

    std::vector<double> m_res_SF_SA, m_res_SF_SA_err;
    std::vector<double> m_mom_SF_SA, m_mom_SF_SA_err; 

    unsigned int getEtaBin(const TLorentzVector & p);

};

}

#endif

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