Search for pair production of gluinos decaying via stop and sbottom in events with <i>b</i>-jets and large missing transverse momentum in <i>pp</i> collisions at √<i>s</i>=13 TeV with the ATLAS detector



Aad, G, Abbott, B, Abdallah, J, Abdinov, O, Abeloos, B, Aben, R, AbouZeid, OS, Abraham, NL, Abramowicz, H, Abreu, H
et al (show 2837 more authors) (2016) Search for pair production of gluinos decaying via stop and sbottom in events with <i>b</i>-jets and large missing transverse momentum in <i>pp</i> collisions at √<i>s</i>=13 TeV with the ATLAS detector. PHYSICAL REVIEW D, 94 (3). 032003-.

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Abstract

A search for Supersymmetry involving the pair production of gluinos decaying via third-generation squarks to the lightest neutralino is reported. It uses an LHC proton--proton dataset at a center-of-mass energy $\sqrt{s} = 13$ TeV with an integrated luminosity of 3.2 fb$^{-1}$ collected with the ATLAS detector in 2015. The signal is searched for in events containing several energetic jets, of which at least three must be identified as $b$-jets, large missing transverse momentum and, potentially, isolated electrons or muons. Large-radius jets with a high mass are also used to identify highly boosted top quarks. No excess is found above the predicted background. For neutralino masses below approximately 700 GeV, gluino masses of less than 1.78 TeV and 1.76 TeV are excluded at the 95% CL in simplified models of the pair production of gluinos decaying via sbottom and stop, respectively. These results significantly extend the exclusion limits obtained with the $\sqrt{s} = 8$ TeV dataset.

Item Type: Article
Additional Information: 28 pages plus author list plus cover pages (46 pages total), 7 figures, 8 tables, submitted to Physical Review D, All figures including auxiliary figures are available at http://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/SUSY-2015-10/
Uncontrolled Keywords: hep-ex, hep-ex
Depositing User: Symplectic Admin
Date Deposited: 03 Jan 2017 14:23
Last Modified: 12 Oct 2023 04:43
DOI: 10.1103/PhysRevD.94.032003
Related URLs:
URI: https://livrepository.liverpool.ac.uk/id/eprint/3003904