Search for top squarks in events with a Higgs or Z boson using 139 fb - 1 of pp collision data at √s=13 TeV with the ATLAS detector

ATLAS Collaboration

研究成果: Article査読

4 被引用数 (Scopus)

抄録

This paper presents a search for direct top squark pair production in events with missing transverse momentum plus either a pair of jets consistent with Standard Model Higgs boson decay into b-quarks or a same-flavour opposite-sign dilepton pair with an invariant mass consistent with a Z boson. The analysis is performed using the proton–proton collision data at s=13 TeV collected with the ATLAS detector during the LHC Run-2, corresponding to an integrated luminosity of 139 fb- 1. No excess is observed in the data above the Standard Model predictions. The results are interpreted in simplified models featuring direct production of pairs of either the lighter top squark (t~ 1) or the heavier top squark (t~ 2), excluding at 95% confidence level t~ 1 and t~ 2 masses up to about 1220 and 875 GeV, respectively.

本文言語English
論文番号1080
ジャーナルEuropean Physical Journal C
80
11
DOI
出版ステータスPublished - 2020 11月

ASJC Scopus subject areas

  • 工学(その他)
  • 物理学および天文学(その他)

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