Search for squarks and gluinos in final states with one isolated lepton, jets, and missing transverse momentum at $\sqrt{s}=13$  with the ATLAS detector

Aad, Georges; Abbott, Brad; Abbott, Dale Charles; Abed Abud, Adam; Abeling, Kira; Abhayasinghe, Deshan Kavishka; Abidi, Syed Haider; Abouzeid, Ossama; Abraham, Nicola; Abramowicz, Halina

doi:10.1140/epjc/s10052-021-09748-8

Search for squarks and gluinos in final states with one isolated lepton, jets, and missing transverse momentum at $\sqrt{s}=13$ with the ATLAS detector

ATLAS

Collaboration

Jan 5, 2021

33 pages

Published in:

Eur.Phys.J.C 81 (2021) 7, 600,
Eur.Phys.J.C 81 (2021) 10, 956 (erratum)

Published: Oct 29, 2021
and
Published: Jul 12, 2021

e-Print:

2101.01629 [hep-ex]

DOI:

PDG: R-parity conserving heavy

{{\widetilde{\mathit g}}}

(Gluino) mass limit

Report number:

CERN-EP-2020-228

Experiments:

CERN-LHC-ATLAS

View in:

datasets

reference search84 citations

Citations per year

Abstract: (arXiv)

The results of a search for gluino and squark pair production with the pairs decaying via the lightest charginos into a final state consisting of two

W

bosons, the lightest neutralinos (

\tilde\chi^0_1

), and quarks, are presented. The signal is characterised by the presence of a single charged lepton (

e^{\pm}

or

\mu^{\pm}

) from a

W

boson decay, jets, and missing transverse momentum. The analysis is performed using 139 fb

^{-1}

of proton-proton collision data taken at a centre-of-mass energy

\sqrt{s}=13

TeV delivered by the Large Hadron Collider and recorded by the ATLAS experiment. No statistically significant excess of events above the Standard Model expectation is found. Limits are set on the direct production of squarks and gluinos in simplified models. Masses of gluino (squark) up to 2.2 TeV (1.4 TeV) are excluded at 95% confidence level for a light

\tilde\chi^0_1

.

Note:

48 pages in total, author list starting page 32, 8 figures, 11 tables, published in Eur. Phys. J. C 81 (2021) 600. All figures including auxiliary figures are available at http://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/SUSY-2018-10/

p p: colliding beams
W: pair production
transverse momentum: missing-energy
squark: search for
supersymmetry
squark: direct production
squark: pair production
gluino: pair production
gluino: mass: lower limit
squark: mass: lower limit

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