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Precision measurement of the top-quark mass in lepton plus jets final states
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2015 (English)In: Physical Review D, ISSN 1550-7998, Vol. 91, no 11, 112003Article in journal (Refereed) Published
Abstract [en]

We measure the mass of the top quark in lepton + jets final states using the full sample of p (p) over bar collision data collected by the D0 experiment in Run II of the Fermilab Tevatron Collider at root 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 t (t) over bar production or background. The overall jet energy scale is constrained in situ by the mass of the W boson. We measure m(t) = 174.98 +/- 0.76 GeV. This constitutes the most precise single measurement of the top-quark mass.

Place, publisher, year, edition, pages
2015. Vol. 91, no 11, 112003
National Category
Physical Sciences
URN: urn:nbn:se:uu:diva-256997DOI: 10.1103/PhysRevD.91.112003ISI: 000355623000002OAI: oai:DiVA.org:uu-256997DiVA: diva2:827977
Available from: 2015-06-29 Created: 2015-06-29 Last updated: 2015-06-29Bibliographically approved

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High Energy Physics
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