eg_resolution Class Reference

get resolution for electron and photons (converted / unconverted) vs E,eta More...

#include <eg_resolution.h>

Inheritance diagram for eg_resolution:

List of all members.

Public Member Functions
	eg_resolution (const std::string &configuration)
	constructor (initialization done there reading root files with resolution fit parameters
double	getResolution (int particle_type, double energy, double eta, int resol_type=2) const
	get relative resolution (sigmaE/E) as a function of E (in Mev) and eta
double	getResolution (const xAOD::Egamma &particle, int resol_type=2) const
	get relative resolution (sigmaE/E) for egamma particles

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Detailed Description

get resolution for electron and photons (converted / unconverted) vs E,eta

Different parameterizations (gaussian core, sigma eff 90% and 80% from crystal ball fits) are available.

This in MC based without pileup.

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Member Function Documentation

double eg_resolution::getResolution	(	const xAOD::Egamma &	particle,
		int	resol_type = 2
	)			const

get relative resolution (sigmaE/E) for egamma particles

resolution type : 0=gaussian core, 1=sigma eff 80%, 2=sigma eff 90% (default)

double eg_resolution::getResolution	(	int	particle_type,
		double	energy,
		double	eta,
		int	resol_type = 2
	)			const

get relative resolution (sigmaE/E) as a function of E (in Mev) and eta

particle type : 0=electron, 1=reco unconverted photon, 2=reco converted photon, 3=true unconverted photon resolution type : 0=gaussian core, 1=sigma eff 80%, 2=sigma eff 90% (default)

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The documentation for this class was generated from the following files:

• /cvmfs/atlas.cern.ch/repo/sw/ASG/AnalysisBase/2.4.28/ElectronPhotonFourMomentumCorrection/ElectronPhotonFourMomentumCorrection/eg_resolution.h
• /cvmfs/atlas.cern.ch/repo/sw/ASG/AnalysisBase/2.4.28/ElectronPhotonFourMomentumCorrection/Root/eg_resolution.cxx