Publications [#309559] of Seog Oh

Papers Published

1. Abulencia; A; others, Top quark mass measurement from dilepton events at CDF II with the matrix-element method, Phys. Rev., vol. D74 no. 3 (2006), pp. 032009, American Physical Society (APS) [doi]
   (last updated on 2026/01/23)

   Abstract:
   We describe a measurement of the top quark mass using events with two charmed leptons collected by the CDF II detector from p anti-p collisions with s**(1/2) = 1.96 TeV at the Fermilab Tevatron. The likelihood in top mass is calculated for each event by convoluting the leading order matrix element describing qqbar --> t anti-t --> b l nu_l b-bar l' nu_l' with detector resolution functions. The presence of background events in the data sample is modeled using similar calculations involving the matrix elements for major background processes. In a data sample with integrated luminosity of 340 pb-1, we observe 33 candidate events and measure M_top = 165.2 +/- 6.1(stat.) +/- 3.4(syst.) GeV/c2. This measurement represents the first application of this method to events with two charged leptons and is the most precise single measurement of the top quark mass in this channel.