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Precision measurement of the top-quark mass in lepton+jets final states
D0 Collaboration Abazov, V. M. Abbott, B. Acharya, B. S. Adams, M. Adams, T. Baringer, Philip S. Bean, Alice Chen, G. Clutter, Justace Randall
D0 Collaboration
Abazov, V. M.
Abbott, B.
Acharya, B. S.
Adams, M.
Adams, T.
Baringer, Philip S.
Bean, Alice
Chen, G.
Clutter, Justace Randall
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Abstract
We measure the mass of the top quark in lepton+jets final states using the full sample of pp¯ collision data collected by the D0 experiment in Run II of the Fermilab Tevatron Collider at s√=1.96 TeV, corresponding to 9.7 fb−1 of integrated luminosity. We use a matrix element technique that calculates the probabilities for each event to result from tt¯ production or background. The overall jet energy scale is constrained in situ by the mass of the W boson. We measure mt=174.98±0.76 GeV. This constitutes the most precise single measurement of the top-quark mass.
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2015-06-04
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American Physical Society (APS)
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Abazov, V. M., Abbott, B., Acharya, B. S., Adams, M., Adams, T., Agnew, J. P., … Askew, A. (2015). Precision measurement of the top-quark mass in lepton + jets final states . Phys. Rev. D, 91(11). doi:10.1103/physrevd.91.112003