Search for squarks and gluinos in final states with same-sign leptons and jets using 139 fb −1 of data collected with the ATLAS detector

The ATLAS collaboration

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Abstract

A search for supersymmetric partners of gluons and quarks is presented, involving signatures with jets and either two isolated leptons (electrons or muons) with the same electric charge, or at least three isolated leptons. A data sample of proton-proton collisions at s = 13 TeV recorded with the ATLAS detector at the Large Hadron Collider between 2015 and 2018, corresponding to a total integrated luminosity of 139 fb−1, is used for the search. No significant excess over the Standard Model expectation is observed. The results are interpreted in simplified supersymmetric models featuring both R-parity conservation and R-parity violation, raising the exclusion limits beyond those of previous ATLAS searches to 1600 GeV for gluino masses and 750 GeV for bottom and top squark masses in these scenarios. [Figure not available: see fulltext.]

Original languageEnglish (US)
Article number46
JournalJournal of High Energy Physics
Volume2020
Issue number6
DOIs
StatePublished - Jun 1 2020
Externally publishedYes

Bibliographical note

Funding Information:
The authors acknowledge the hair analysis conducted by the Division of Clinical Pharmacology and Toxicology at the University of Toronto, Canada. The study was approved by the Wellington Ethics Committee. All participants accepted their involvement in the study, as evidenced by their signing a consent form. Funding was provided by the Wellington Medical Research Foundation and the University of Otago Research Award. Submitted for publication June 9, 1999; accepted for publication September 19, 2000. Requests for reprints should be sent to Dr. Wael K. Al-Delaimy, Department of Nutrition, Harvard School of Public Health, 665 Huntington Avenue, Boston, MA 021 15.

Publisher Copyright:
© 2020, The Author(s).

Keywords

  • Hadron-Hadron scattering (experiments)
  • Supersymmetry

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