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  • PhysRevLett.113.032002

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Precision measurement of the top quark mass in $lepton+jets$ final states

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  • D0 Collaboration
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Article number032002
<mark>Journal publication date</mark>17/07/2014
<mark>Journal</mark>Physical Review Letters
Issue number3
Volume113
Number of pages8
StatePublished
Original languageEnglish

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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© 2014 American Physical Society