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Measurement of the top quark mass in the tt¯→dilepton channel from √s=8 TeV ATLAS data

Publication ,  Journal Article
Aaboud, M; Aad, G; Abbott, B; Abdallah, J; Abdinov, O; Abeloos, B; Aben, R; AbouZeid, OS; Abraham, NL; Abramowicz, H; Abreu, H; Abreu, R ...
Published in: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
October 10, 2016

The top quark mass is measured in the tt¯→dilepton channel (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 20.2 fb−1. Exploiting the template method, and using the distribution of invariant masses of lepton–b-jet pairs, 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, a combination with previous ATLAS mtop measurements from s=7 TeV data in the tt¯→dilepton and tt¯→lepton+jets channels results in mtop=172.84±0.34 (stat)±0.61 (syst) GeV, with a total uncertainty of 0.70 GeV.

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Published In

Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

DOI

ISSN

0370-2693

Publication Date

October 10, 2016

Volume

761

Start / End Page

350 / 371

Related Subject Headings

  • Nuclear & Particles Physics
  • 51 Physical sciences
  • 49 Mathematical sciences
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
  • 0201 Astronomical and Space Sciences
  • 0105 Mathematical Physics
 

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Aaboud, M., Aad, G., Abbott, B., Abdallah, J., Abdinov, O., Abeloos, B., … Arnold, H. (2016). Measurement of the top quark mass in the tt¯→dilepton channel from √s=8 TeV ATLAS data. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 761, 350–371. https://doi.org/10.1016/j.physletb.2016.08.042
Aaboud, M., G. Aad, B. Abbott, J. Abdallah, O. Abdinov, B. Abeloos, R. Aben, et al. “Measurement of the top quark mass in the tt¯→dilepton channel from √s=8 TeV ATLAS data.” Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics 761 (October 10, 2016): 350–71. https://doi.org/10.1016/j.physletb.2016.08.042.
Aaboud M, Aad G, Abbott B, Abdallah J, Abdinov O, Abeloos B, et al. Measurement of the top quark mass in the tt¯→dilepton channel from √s=8 TeV ATLAS data. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 2016 Oct 10;761:350–71.
Aaboud, M., et al. “Measurement of the top quark mass in the tt¯→dilepton channel from √s=8 TeV ATLAS data.” Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 761, Oct. 2016, pp. 350–71. Scopus, doi:10.1016/j.physletb.2016.08.042.
Aaboud M, Aad G, Abbott B, Abdallah J, Abdinov O, Abeloos B, Aben R, AbouZeid OS, Abraham NL, Abramowicz H, Abreu H, Abreu R, Abulaiti Y, Acharya BS, Adamczyk L, Adams DL, Adelman J, Adomeit S, Adye T, Affolder AA, Agatonovic-Jovin T, Agricola J, Aguilar-Saavedra JA, Ahlen SP, Ahmadov F, Aielli G, Akerstedt H, Åkesson TPA, Akimov AV, Alberghi GL, Albert J, Albrand S, Alconada Verzini MJ, Aleksa M, Aleksandrov IN, Alexa C, Alexander G, Alexopoulos T, Alhroob M, Ali B, Aliev M, Alimonti G, Alison J, Alkire SP, Allbrooke BMM, Allen BW, Allport PP, Aloisio A, Alonso A, Alonso F, Alpigiani C, Alstaty M, Alvarez Gonzalez B, Álvarez Piqueras D, Alviggi MG, Amadio BT, Amako K, Amaral Coutinho Y, Amelung C, Amidei D, Amor Dos Santos SP, Amorim A, Amoroso S, Amundsen G, Anastopoulos C, Ancu LS, Andari N, Andeen T, Anders CF, Anders G, Anders JK, Anderson KJ, Andreazza A, Andrei V, Angelidakis S, Angelozzi I, Anger P, Angerami A, Anghinolfi F, Anisenkov AV, Anjos N, Annovi A, Antel C, Antonelli M, Antonov A, Anulli F, Aoki M, Aperio Bella L, Arabidze G, Arai Y, Araque JP, Arce ATH, Arduh FA, Arguin JF, Argyropoulos S, Arik M, Armbruster AJ, Armitage LJ, Arnaez O, Arnold H. Measurement of the top quark mass in the tt¯→dilepton channel from √s=8 TeV ATLAS data. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 2016 Oct 10;761:350–371.
Journal cover image

Published In

Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

DOI

ISSN

0370-2693

Publication Date

October 10, 2016

Volume

761

Start / End Page

350 / 371

Related Subject Headings

  • Nuclear & Particles Physics
  • 51 Physical sciences
  • 49 Mathematical sciences
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
  • 0201 Astronomical and Space Sciences
  • 0105 Mathematical Physics