Measurements of the Top Quark Mass at D0
Scott S. Snyder (for the D0 Collaboration)
TL;DR
This paper reports precise measurements of the top quark mass and its mass difference with the antitop quark using data from the D0 experiment at Fermilab, covering dilepton and lepton+jets channels.
Contribution
It provides new top quark mass measurements and the first observation of the mass difference between t and tbar quarks in specific decay channels.
Findings
Top quark mass measured with high precision.
Mass difference between t and tbar observed.
Results consistent with Standard Model expectations.
Abstract
We present measurements of the top quark mass based on 3.6 fb^-1 of data collected by the D0 experiment during Run II of the Fermilab Tevatron collider. We present results in the dilepton and lepton+jets final states. We also present the measurement of the mass difference between t and tbar quarks observed in lepton+jets final states of ttbar events in 1 fb^-1 of data.
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