Measurement of the top-quark mass in the lepton+jets channel using a matrix element technique with the CDF II detector.

Abstract

A measurement of the top-quark mass is presented using Tevatron data from proton-antiproton collisions at center-of-mass energy p s = 1 96 TeV collected with the CDF II detector. Events are selected from a sample of candidates for production of pairs that decay into the lepton+jets channel. The top-quark mass is measured with an unbinned maximum likelihood method where the event probability density functions are calculated using signal and background matrix elements, as well as a set of parameterized jet-to-parton transfer functions. The likelihood function is maximized with respect to the top-quark mass, the signal fraction in the sample, and a correction to the jet energy scale (JES) calibration of the calorimeter jets.