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Measurement of the top quark mass using the matrix element technique in dilepton final states

Abazov, VM; Abbott, B; Acharya, BS; Adams, M; Adams, T; Agnew, JP; Alexeev, GD; ... Zivkovic, L; + view all (2016) Measurement of the top quark mass using the matrix element technique in dilepton final states. Physical Review D , 94 (3) , Article 032004. 10.1103/PhysRevD.94.032004. Green open access

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Abstract

We present a measurement of the top quark mass in pp¯ collisions at a center-of-mass energy of 1.96 TeV at the Fermilab Tevatron collider. The data were collected by the D0 experiment corresponding to an integrated luminosity of 9.7 fb−1. The matrix element technique is applied to t¯t events in the final state containing leptons (electrons or muons) with high transverse momenta and at least two jets. The calibration of the jet energy scale determined in the lepton þ jets final state of t¯t decays is applied to jet energies. This correction provides a substantial reduction in systematic uncertainties. We obtain a top quark mass of mt ¼ 173.93 1.84 GeV.

Type: Article
Title: Measurement of the top quark mass using the matrix element technique in dilepton final states
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/PhysRevD.94.032004
Publisher version: http://dx.doi.org/10.1103/PhysRevD.94.032004
Language: English
Additional information: © 2016 American Physical Society.
Keywords: Science & Technology, Physical Sciences, Astronomy & Astrophysics, Physics, Particles & Fields, Physics, Hadron Colliders, Run-ii, Semileptonic Decays, Jet Identification, Pair Production, Cross-section, D0 Experiment, Detector, Collisions
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy
URI: https://discovery.ucl.ac.uk/id/eprint/1514709
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