Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/124254
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Type: Journal article
Title: Search for electroweak production of charginos and sleptons decaying into final states with two leptons and missing transverse momentum in √s=13 TeV pp collisions using the ATLAS detector
Author: Aad, G.
Abbott, B.
Abbott, D.C.
Abdinov, O.
Abud, A.A.
Abeling, K.
Abhayasinghe, D.K.
Abidi, S.H.
AbouZeid, O.S.
Abraham, N.L.
Abramowicz, H.
Abreu, H.
Abulaiti, Y.
Acharya, B.S.
Achkar, B.
Adachi, S.
Adam, L.
Adamczyk, L.
Adamek, L.
Adelman, J.
et al.
Citation: European Physical Journal C, 2020; 80(2):1-48
Publisher: eScholarship Publishing
Issue Date: 2020
ISSN: 1434-6044
1434-6052
Statement of
Responsibility: 
G. Aad, B. Abbott, D. C. Abbott, O. Abdinov ... Paul Jackson .... Martin White ... et al.
Abstract: A search for the electroweak production of charginos and sleptons decaying into final states with two electrons or muons is presented. The analysis is based on 139 fb- 1 of proton–proton collisions recorded by the ATLAS detector at the Large Hadron Collider at s=13 TeV. Three R-parity-conserving scenarios where the lightest neutralino is the lightest supersymmetric particle are considered: the production of chargino pairs with decays via either W bosons or sleptons, and the direct production of slepton pairs. The analysis is optimised for the first of these scenarios, but the results are also interpreted in the others. No significant deviations from the Standard Model expectations are observed and limits at 95% confidence level are set on the masses of relevant supersymmetric particles in each of the scenarios. For a massless lightest neutralino, masses up to 420 Ge are excluded for the production of the lightest-chargino pairs assuming W-boson-mediated decays and up to 1 TeV for slepton-mediated decays, whereas for slepton-pair production masses up to 700 Ge are excluded assuming three generations of mass-degenerate sleptons.
Rights: © 2019 CERN for the benefit of the ATLAS Collaboration. Reproduction of this article or parts of it is allowed as specified in the CC-BY-4.0 license
RMID: 1000014755
DOI: 10.1140/epjc/s10052-019-7594-6
Published version: https://escholarship.org/uc/item/8490b3kt
Appears in Collections:Physics publications

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