Journal article
Measurement of the top quark mass in the tt̄ → Dilepton channel from √s=8 TeV ATLAS data
Physics letters. B, Vol.761, pp.350-371
2016
DOI: 10.1016/j.physletb.2016.08.042
Abstract
The top quark mass is measured in the tt̄ → dileptonchannel (lepton=e, µ) using ATLAS data recorded in the year 2012 at the LHC. The data were taken at a proton-proton centre-of-mass energy of √s=8 TeV and correspond to an integrated luminosity of about 20.2fb-1. Exploiting the template method, and using the distribution of invariant masses of lepton-b-jetpairs, the top quark mass is measured to be mtop=172.99 ±0.41 (stat) ±0.74 (syst) GeV, with a total uncertainty of 0.84 GeV. Finally, acombination with previous ATLAS mtop measurements from √s=7TeVdata in the tt̄ → dilepton and tt̄→lepton+jetschannels results in mtop=172.84 ±0.34 (stat) ±0.61 (syst) GeV, with a total uncertainty of 0.70 GeV. © 2016 The Author.
Details
- Title: Subtitle
- Measurement of the top quark mass in the tt̄ → Dilepton channel from √s=8 TeV ATLAS data
- Creators
- M Aaboud - Premier UniversityG Aad - Aix-Marseille UniversitéB Abbott - University of OklahomaJ Abdallah - University of IowaO Abdinov - Azerbaijan National Academy of SciencesB Abeloos - Université Paris-SaclayTorsten Åkesson - Particle PhysicsSimona Bocchetta - Particle PhysicsLENE Bryngemark - Particle PhysicsCaterina Doglioni - Particle PhysicsAnders Floderus - Particle PhysicsVincent Hedberg - Particle PhysicsGöran Jarlskog - Particle PhysicsElse Lytken - Particle PhysicsUlf Mjörnmark - Particle PhysicsOxana Smirnova - Particle PhysicsOleksandr Viazlo - Particle PhysicsATLAS Collaboration
- Contributors
- U Mallik (Contributor) - University of Iowa, Physics and Astronomy
- Resource Type
- Journal article
- Publication Details
- Physics letters. B, Vol.761, pp.350-371
- DOI
- 10.1016/j.physletb.2016.08.042
- ISSN
- 0370-2693
- eISSN
- 1873-2445
- Publisher
- Elsevier B.V
- Grant note
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- Language
- English
- Date published
- 2016
- Academic Unit
- Physics and Astronomy
- Record Identifier
- 9984199682802771
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