Measurement of the top-quark mass in the ${t\bar{t}}$ dilepton channel using the full CDF Run II data set

Abstract

We present a measurement of the top-quark mass in events containing two leptons (electrons or muons) with a large transverse momentum, two or more energetic jets, and a transverse-momentum imbalance. We use the full proton-antiproton collision data set collected by the CDF experiment during the Fermilab Tevatron Run II at center-of-mass energy of 1.96 TeV, corresponding to an integrated luminosity of 9.1 fb^−1. A special observable is exploited for an optimal reduction of the dominant systematic uncertainty, associated with the knowledge of the absolute energy of the hadronic jets