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dc.contributor.authorBerlendis, S
dc.contributor.authorCheu, E
dc.contributor.authorJohns, K A
dc.contributor.authorJones, S
dc.contributor.authorLampl, W
dc.contributor.authorLeBlanc, M
dc.contributor.authorLeone, R
dc.contributor.authorLoch, P
dc.contributor.authorNayyar, R
dc.contributor.authorVarnes, E W
dc.contributor.authorZhou, Y
dc.date.accessioned2020-02-04T20:22:23Z
dc.date.available2020-02-04T20:22:23Z
dc.date.issued2019-11-28
dc.identifier.citationAad, G., Abbott, B., Abbott, D. C., Abed Abud, A., Abeling, K., Abhayasinghe, D. K., … Zwalinski, L. (2020). Search for displaced vertices of oppositely charged leptons from decays of long-lived particles in pp collisions at s=13 TeV with the ATLAS detector. Physics Letters B, 801, 135114. https://doi.org/10.1016/j.physletb.2019.135114 ‌en_US
dc.identifier.issn0370-2693
dc.identifier.doi10.1016/j.physletb.2019.135114
dc.identifier.urihttp://hdl.handle.net/10150/636912
dc.description.abstractA search for long-lived particles decaying into an oppositely charged lepton pair, mu mu, ee, or e mu, is presented using 32.8 fb(-1) of pp collision data collected at root s = 13 TeV by the ATLAS detector at the LHC. Candidate leptons are required to form a vertex, within the inner tracking volume of ATLAS, displaced from the primary pp interaction region. No lepton pairs with an invariant mass greater than 12 GeV are observed, consistent with the background expectations derived from data. The detection efficiencies for generic resonances with lifetimes (c tau) of 100-1000 mm decaying into a dilepton pair with masses between 0.1-1.0 TeV are presented as a function of p(T) and decay radius of the resonances to allow the extraction of upper limits on the cross sections for theoretical models. The result is also interpreted in a supersymmetric model in which the lightest neutralino, produced via squark-antisquark production, decays into l(+) l'(-) nu(l, l' = e, mu) with a finite lifetime due to the presence of R-parity violating couplings. Cross-section limits are presented for specific squark and neutralino masses. For a 700 GeV squark, neutralinos with masses of 50-500 GeV and mean proper lifetimes corresponding to c tau values between 1 mm to 6 m are excluded. For a 1.6 TeV squark, c tau values between 3 mm to 1 m are excluded for 1.3 TeV neutralinos. (C) 2019 The Author(s). Published by Elsevier B.V.en_US
dc.language.isoenen_US
dc.publisherELSEVIERen_US
dc.rightsCopyright © 2019 The Author(s). Published by Elsevier B. V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). Funded by SCOAP3.en_US
dc.titleSearch for displaced vertices of oppositely charged leptons from decays of long-lived particles in pp collisions at root s=13 TeV with the ATLAS detectoren_US
dc.typeArticleen_US
dc.contributor.departmentUniv Arizona, Dept Physen_US
dc.identifier.journalPHYSICS LETTERS Ben_US
dc.description.noteOpen access journalen_US
dc.description.collectioninformationThis item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.en_US
dc.eprint.versionFinal published versionen_US
refterms.dateFOA2020-02-04T20:22:24Z


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