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

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√=1.96TeV, corresponding to 9.7fb−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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http://hal.in2p3.fr/in2p3-01112055
Contributor : Sabine Starita <>
Submitted on : Monday, February 2, 2015 - 11:14:04 AM
Last modification on : Thursday, June 17, 2021 - 3:19:04 PM

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V.M. Abazov, J.-F. Grivaz, T. Guillemin, M. Jaffré, P. Pétroff, et al.. Precision measurement of the top-quark mass in lepton+jets final states. Physical Review D, American Physical Society, 2015, 91, pp.112003. ⟨10.1103/PhysRevD.91.112003⟩. ⟨in2p3-01112055⟩

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