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Search for supersymmetry at vs=13 TeV in final states with jets and two same-sign leptons or three leptons with the ATLAS detector

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posted on 2023-06-09, 01:47 authored by Benedict AllbrookeBenedict Allbrooke, Lily AsquithLily Asquith, Alessandro CerriAlessandro Cerri, Carlos Chavez Barajas, Antonella De SantoAntonella De Santo, Tina Potter, Fabrizio SalvatoreFabrizio Salvatore, Itzebelt Santoyo Castillo, Kerim Suruliz, Mark SuttonMark Sutton, Iacopo Vivarelli, et al The ATLAS Collaboration
A search for strongly produced supersymmetric particles is conducted using signatures involving multiple energetic jets and either two isolated leptons (e or µ µ) with the same electric charge or at least three isolated leptons. The search also utilises b-tagged jets, missing transverse momentum and other observables to extend its sensitivity. The analysis uses a data sample of proton–proton collisions at vs=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. No significant excess over the Standard Model expectation is observed. The results are interpreted in several simplified supersymmetric models and extend the exclusion limits from previous searches. In the context of exclusive production and simplified decay modes, gluino masses are excluded at 95% 95% confidence level up to 1.1–1.3 TeV for light neutralinos (depending on the decay channel), and bottom squark masses are also excluded up to 540 GeV. In the former scenarios, neutralino masses are also excluded up to 550–850 GeV for gluino masses around 1 TeV.

History

Publication status

  • Published

File Version

  • Published version

Journal

European Physical Journal C: Particles and Fields

ISSN

1434-6044

Publisher

Springer Verlag

Issue

259

Volume

76

Department affiliated with

  • Physics and Astronomy Publications

Full text available

  • Yes

Peer reviewed?

  • Yes

Legacy Posted Date

2016-06-20

First Open Access (FOA) Date

2016-06-20

First Compliant Deposit (FCD) Date

2016-06-20

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