Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/129876
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Type: Journal article
Title: Search for top squarks in events with a Higgs or Z boson using 139 fb⁻¹ of pp collision data at √s=13 TeV with the ATLAS detector
Other Titles: Search for top squarks in events with a Higgs or Z boson using 139 fb(-1) of pp collision data at root s=13 TeV with the ATLAS detector
Author: Aad, G.
Abbott, B.
Abbott, D.C.
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.
Adam, L.
Bourdarios, C.A.
Adamczyk, L.
Adamek, L.
Adelman, J.
Adersberger, M.
et al.
Citation: European Physical Journal C, 2020; 80(11):1080-1-1080-33
Publisher: Springer Nature
Issue Date: 2020
ISSN: 1434-6044
1434-6052
Statement of
Responsibility: 
G. Aad … A. Duvnjak … P. Jackson … A.X.Y. Kong … J.L. Oliver … A. Petridis … T.A. Ruggeri … A.S. Sharma … M.J. White … et al. [The ATLAS Collaboration]
Abstract: This paper presents a search for direct top squark pair production in events with missing transverse momentum plus either a pair of jets consistent with Standard Model Higgs boson decay into b-quarks or a same-flavour opposite-sign dilepton pair with an invariant mass consistent with a Z boson. The analysis is performed using the proton–proton collision data at s√=13 TeV collected with the ATLAS detector during the LHC Run-2, corresponding to an integrated luminosity of 139 fb⁻₁. No excess is observed in the data above the Standard Model predictions. The results are interpreted in simplified models featuring direct production of pairs of either the lighter top squark (t~1) or the heavier top squark (t~2), excluding at 95% confidence level t~1 and t~2 masses up to about 1220 and 875 GeV, respectively.
Rights: © The Author(s) 2020. Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. Funded by SCOAP³.
RMID: 1000030815
DOI: 10.1140/epjc/s10052-020-08469-8
Appears in Collections:Physics publications

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