Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/130657
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dc.contributor.authorAad, G.-
dc.contributor.authorAbbott, B.-
dc.contributor.authorAbbott, D.C.-
dc.contributor.authorAbed Abud, A.-
dc.contributor.authorAbeling, K.-
dc.contributor.authorAbhayasinghe, D.K.-
dc.contributor.authorAbidi, S.H.-
dc.contributor.authorAbouZeid, O.S.-
dc.contributor.authorAbraham, N.L.-
dc.contributor.authorAbramowicz, H.-
dc.contributor.authorAbreu, H.-
dc.contributor.authorAbulaiti, Y.-
dc.contributor.authorAcharya, B.S.-
dc.contributor.authorAchkar, B.-
dc.contributor.authorAdam, L.-
dc.contributor.authorAdam Bourdarios, C.-
dc.contributor.authorAdamczyk, L.-
dc.contributor.authorAdamek, L.-
dc.contributor.authorAdelman, J.-
dc.contributor.authorAdiguzel, A.-
dc.contributor.authoret al.-
dc.date.issued2021-
dc.identifier.citationThe Journal of High Energy Physics, 2021; 2021(4):1-62-
dc.identifier.issn1029-8479-
dc.identifier.issn1029-8479-
dc.identifier.urihttp://hdl.handle.net/2440/130657-
dc.description.abstractThe results of a search for direct pair production of top squarks and for dark matter in events with two opposite-charge leptons (electrons or muons), jets and missing transverse momentum are reported, using 139 fb−1 of integrated luminosity from proton-proton collisions at s√ = 13 TeV, collected by the ATLAS detector at the Large Hadron Collider during Run 2 (2015–2018). This search considers the pair production of top squarks and is sensitive across a wide range of mass differences between the top squark and the lightest neutralino. Additionally, spin-0 mediator dark-matter models are considered, in which the mediator is produced in association with a pair of top quarks. The mediator subsequently decays to a pair of dark-matter particles. No significant excess of events is observed above the Standard Model background, and limits are set at 95% confidence level. The results exclude top squark masses up to about 1 TeV, and masses of the lightest neutralino up to about 500 GeV. Limits on dark-matter production are set for scalar (pseudoscalar) mediator masses up to about 250 (300) GeV.-
dc.description.statementofresponsibilityG. Aad, B Abbott … Paul Jackson … Albert Kong … Tristan Ruggeri … Harish Potti … et al.-
dc.language.isoen-
dc.publisherSpringer Science and Business Media LLC-
dc.rightsOpen Access, Copyright CERN, for the benefit of the ATLAS Collaboration. Article funded by SCOAP3. This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.-
dc.source.urihttp://dx.doi.org/10.1007/jhep04(2021)165-
dc.titleSearch for new phenomena in events with two opposite-charge leptons, jets and missing transverse momentum in pp collisions at √s = 13 TeV with the ATLAS detector-
dc.title.alternativeSearch for new phenomena in events with two opposite-charge leptons, jets and missing transverse momentum in pp collisions at root s = 13 TeV with the ATLAS detector-
dc.typeJournal article-
dc.identifier.doi10.1007/jhep04(2021)165-
pubs.publication-statusPublished-
dc.identifier.orcidJackson, P. [0000-0002-0847-402X]-
dc.identifier.orcidKong, A.X.Y. [0000-0001-8063-8765]-
dc.identifier.orcidPotti, H. [0000-0002-0800-9902]-
dc.identifier.orcidRuggeri, T.A. [0000-0001-9941-1966]-
dc.identifier.orcidSato, K. [0000-0001-8988-4065]-
dc.identifier.orcidWhite, M.J. [0000-0001-5474-4580]-
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