Measurement of the tt¯Z and tt¯W production cross sections in multilepton final states using 3.2 fb -1 of pp collisions at √s = 13 TeV with the ATLAS detector

Atlas Collaboration

研究成果: Contribution to journalArticle査読

34 被引用数 (Scopus)

抄録

A measurement of the tt¯ Z and tt¯ W production cross sections in final states with either two same-charge muons, or three or four leptons (electrons or muons) is presented. The analysis uses a data sample of proton–proton collisions at s=13 TeV recorded with the ATLAS detector at the Large Hadron Collider in 2015, corresponding to a total integrated luminosity of 3.2 fb- 1. The inclusive cross sections are extracted using likelihood fits to signal and control regions, resulting in σt Z= 0.9 ± 0.3 pb and σt W= 1.5 ± 0.8 pb, in agreement with the Standard Model predictions.

本文言語英語
論文番号40
ジャーナルEuropean Physical Journal C
77
1
DOI
出版ステータス出版済み - 1 1 2017

All Science Journal Classification (ASJC) codes

  • Engineering (miscellaneous)
  • Physics and Astronomy (miscellaneous)

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