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Measurement of the t(t)over-bar production cross section in the tau plus jets final state in pp collisions at root s=8 TeV using the ATLAS detector

Aaboud, M; Aad, G; Abbott, B; Abdallah, J; Abdinov, O; Abeloos, B; AbouZeid, OS; ... Zwalinski, L; + view all (2017) Measurement of the t(t)over-bar production cross section in the tau plus jets final state in pp collisions at root s=8 TeV using the ATLAS detector. Physical Review D , 95 (7) , Article 072003. 10.1103/PhysRevD.95.072003. Green open access

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Abstract

A measurement of the inclusive pp → t¯t þ X production cross section in the τ þ jets final state using only the hadronic decays of the τ lepton is presented. The measurement is performed using 20.2 fb−1 of proton-proton collision data recorded at a center-of-mass energy of ffiffi s p ¼ 8 TeV with the ATLAS detector at the Large Hadron Collider. The cross section is measured via a counting experiment by imposing a set of selection criteria on the identification and kinematic variables of the reconstructed particles and jets, and on event kinematic variables and characteristics. The production cross section is measured to be σt¯t ¼ 239 29 pb, which is in agreement with the measurements in other final states and the theoretical predictions at this center-of-mass energy.

Type: Article
Title: Measurement of the t(t)over-bar production cross section in the tau plus jets final state in pp collisions at root s=8 TeV using the ATLAS detector
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/PhysRevD.95.072003
Publisher version: http://doi.org/10.1103/PhysRevD.95.072003
Language: English
Additional information: Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.
Keywords: Science & Technology, Physical Sciences, Astronomy & Astrophysics, Physics, Particles & Fields, Physics, TOP-QUARK, PARTON DISTRIBUTIONS, HADRON COLLIDERS, PAIR PRODUCTION, HIGGS, LHC, RESUMMATION, SEARCH, DECAYS
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-pp.ucl.ac.uk/id/eprint/1545722
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