Precise measurement of the top-quark mass from lepton+jets events at D0

D0 Collaboration, The and Bertram, Iain and Borissov, Guennadi and Fox, Harald and Ross, Anthony and Williams, Mark and Ratoff, Peter (2011) Precise measurement of the top-quark mass from lepton+jets events at D0. Physical Review D, 84 (3). ISSN 1550-7998

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We report a measurement of the mass of the top quark in lepton+jets final states of ppbar->ttbar data corresponding to 2.6 fb^{-1} of integrated luminosity collected by the D0 experiment at the Fermilab Tevatron Collider. Using a matrix element method, we combine an insitu jet energy calibration with our standard jet energy scale derived in studies of {\gamma}+jet and dijet events and employ a novel flavor-dependent jet response correction to measure a top-quark mass of mt = 176.01 +/- 1.64 GeV. Combining this result with our previous result obtained on an independent data set, we measure a top-quark mass of mt = 174.94 +/- 1.49 GeV for a total integrated luminosity of 3.6 fb^{-1}.

Item Type: Journal Article
Journal or Publication Title: Physical Review D
Additional Information: © 2011 American Physical Society 19 pages, accepted by Phys. Rev. D
Departments: Faculty of Science and Technology > Physics
ID Code: 63670
Deposited By: ep_importer_pure
Deposited On: 24 Apr 2013 10:06
Refereed?: Yes
Published?: Published
Last Modified: 25 Feb 2020 01:41

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