Search for B−L R-parity-violating top squarks in √s=13 TeV pp collisions with the ATLAS experiment

, The ATLAS collaboration (2018) Search for B−L R-parity-violating top squarks in √s=13 TeV pp collisions with the ATLAS experiment. Physical Review D, 97 (3). ISSN 1550-7998

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Abstract

A search is presented for the direct pair production of the stop, the supersymmetric partner of the top quark, that decays through an R-parity-violating coupling to a final state with two leptons and two jets, at least one of which is identified as a b-jet. The data set corresponds to an integrated luminosity of 36.1 fb−1 of proton-proton collisions at a center-of-mass energy of √s=13 TeV, collected in 2015 and 2016 by the ATLAS detector at the LHC. No significant excess is observed over the Standard Model background, and exclusion limits are set on stop pair production at a 95% confidence level. Lower limits on the stop mass are set between 600 GeV and 1.5 TeV for branching ratios above 10% for decays to an electron or muon and a b-quark.

Item Type:
Journal Article
Journal or Publication Title:
Physical Review D
Additional Information:
Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.
ID Code:
124197
Deposited By:
Deposited On:
22 Mar 2018 15:08
Refereed?:
Yes
Published?:
Published
Last Modified:
19 Jan 2021 13:22