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  • PhysRevD.91.112003

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

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  • D0 Collaboration
Article number112003
<mark>Journal publication date</mark>4/06/2015
<mark>Journal</mark>Physical Review D
Issue number11
Number of pages39
Publication StatusPublished
Early online date1/06/15
<mark>Original language</mark>English


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 American Physical Society