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View of and from Lene Kristian's office window. The office mascot, a small pet pug, is sitting on top of a stack of books on the windowsill. Outside, there is a parking lot, trees and sky in the early dusk of a winter's day.

Lene Kristian Bryngemark

Researcher

View of and from Lene Kristian's office window. The office mascot, a small pet pug, is sitting on top of a stack of books on the windowsill. Outside, there is a parking lot, trees and sky in the early dusk of a winter's day.

Top-quark mass measurement in the all-hadronic tt¯ decay channel at √s=8 TeV with the ATLAS detector

Author

  • M Aaboud
  • G Aad
  • B. Abbott
  • J Abdallah
  • O Abdinov
  • B Abeloos
  • Torsten Åkesson
  • Simona Bocchetta
  • LENE BRYNGEMARK
  • Caterina Doglioni
  • Vincent Hedberg
  • Göran Jarlskog
  • Else Lytken
  • Ulf Mjörnmark
  • Oxana Smirnova
  • Oleksandr Viazlo
Show all

Summary, in English

The top-quark mass is measured in the all-hadronic top-antitop quark decay channel using proton-proton collisions at a centre-of-mass energy of s=8 TeV with the ATLAS detector at the CERN Large Hadron Collider. The data set used in the analysis corresponds to an integrated luminosity of 20.2 fb−1. The large multi-jet background is modelled using a data-driven method. The top-quark mass is obtained from template fits to the ratio of the three-jet to the dijet mass. The three-jet mass is obtained from the three jets assigned to the top quark decay. From these three jets the dijet mass is obtained using the two jets assigned to the W boson decay. The top-quark mass is measured to be 173.72 ± 0.55 (stat.) ± 1.01 (syst.) GeV.[Figure not available: see fulltext.]. © 2017, The Author(s).

Department/s

  • Particle and nuclear physics
  • eSSENCE: The e-Science Collaboration

Publishing year

2017

Language

English

Publication/Series

Journal of High Energy Physics

Volume

2017

Issue

9

Document type

Journal article

Publisher

Springer

Topic

  • Subatomic Physics

Keywords

  • Hadron-Hadron scattering (experiments)
  • Top physics

Status

Published

ISBN/ISSN/Other

  • ISSN: 1029-8479