Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/123651
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dc.contributor.authorAaboud, M.en
dc.contributor.authorAad, G.en
dc.contributor.authorAbbott, B.en
dc.contributor.authorAbbott, D.en
dc.contributor.authorAbdinov, O.en
dc.contributor.authorAbeloos, B.en
dc.contributor.authorAbhayasinghe, D.en
dc.contributor.authorAbidi, S.en
dc.contributor.authorAbouZeid, O.en
dc.contributor.authorAbraham, N.en
dc.contributor.authorAbramowicz, H.en
dc.contributor.authorAbreu, H.en
dc.contributor.authorAbulaiti, Y.en
dc.contributor.authorAcharya, B.en
dc.contributor.authorAdachi, S.en
dc.contributor.authorAdam, L.en
dc.contributor.authorBourdarios, C.en
dc.contributor.authorAdamczyk, L.en
dc.contributor.authorAdamek, L.en
dc.contributor.authorAdelman, J.en
dc.contributor.authoret al.en
dc.date.issued2019en
dc.identifier.citationEuropean Physical Journal C, 2019; 79(9):803-1-803-30en
dc.identifier.issn1434-6044en
dc.identifier.issn1434-6052en
dc.identifier.urihttp://hdl.handle.net/2440/123651-
dc.description.abstractA search for excited electrons produced in pp collisions at s√ = 13 TeV via a contact interaction qq¯→ee* is presented. The search uses 36.1 fb⁻¹ of data collected in 2015 and 2016 by the ATLAS experiment at the Large Hadron Collider. Decays of the excited electron into an electron and a pair of quarks (eqq¯) are targeted in final states with two electrons and two hadronic jets, and decays via a gauge interaction into a neutrino and a W boson (νW) are probed in final states with an electron, missing transverse momentum, and a large-radius jet consistent with a hadronically decaying W boson. No significant excess is observed over the expected backgrounds. Upper limits are calculated for the pp→ee*→eeqq¯ and pp→ee*→eνW production cross sections as a function of the excited electron mass me* at 95% confidence level. The limits are translated into lower bounds on the compositeness scale parameter Λ of the model as a function of me*. For me*<0.5 TeV, the lower bound for Λ is 11 TeV. In the special case of me*=Λ, the values of me∗<4.8 TeV are excluded. The presented limits on Λ are more stringent than those obtained in previous searches.en
dc.description.statementofresponsibilityM. Aaboud … A. Duvnjak … P. Jackson … J.L. Oliver … A. Petridis … A. Qureshi … A.S. Sharma … M.J. White … et al. [The ATLAS Collaboration]en
dc.language.isoenen
dc.publisherSpringer Natureen
dc.rights© CERN for the benefit of the ATLAS collaboration 2019. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. Funded by SCOAP³.en
dc.titleSearch for excited electrons singly produced in proton–proton collisions at √s = 13Te with the ATLAS experiment at the LHCen
dc.title.alternativeSearch for excited electrons singly produced in proton-proton collisions at root s = 13Te with the ATLAS experiment at the LHCen
dc.typeJournal articleen
dc.identifier.rmid1000002082en
dc.identifier.doi10.1140/epjc/s10052-019-7295-1en
dc.identifier.pubid476719-
pubs.library.collectionPhysics publicationsen
pubs.library.teamDS14en
pubs.verification-statusVerifieden
pubs.publication-statusPublisheden
dc.identifier.orcidJackson, P. [0000-0002-0847-402X]en
Appears in Collections:Physics publications

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