Search for a heavy neutral particle decaying to eμ, eτ, or μτ in pp collisions at √s =8 TeV with the ATLAS detector

Barton, Adam and Beattie, Michael and Borissov, Guennadi and Bouhova-Thacker, Eva and Dearnaley, William and Fox, Harald and Grimm, Kathryn and Henderson, Robert and Hughes, Gareth and Jones, Roger William Lewis and Long, Robin and Love, Peter and Maddocks, Harvey and Skinner, Malcolm and Smizanska, Maria and Walder, James and Wharton, Andy (2015) Search for a heavy neutral particle decaying to eμ, eτ, or μτ in pp collisions at √s =8  TeV with the ATLAS detector. Physical review letters, 115 (3). ISSN 1079-7114

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This Letter presents a search for a heavy neutral particle decaying into an opposite-sign different-flavor dilepton pair, e ± μ ∓ , e ± τ ∓ , or μ ± τ ∓ using 20.3  fb −1 of pp collision data at s √ =8  TeV collected by the ATLAS detector at the LHC. The numbers of observed candidate events are compatible with the standard model expectations. Limits are set on the cross section of new phenomena in two scenarios: the production of ν ˜ τ in R -parity-violating supersymmetric models and the production of a lepton-flavor-violating Z ′ vector boson.

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Physical review letters
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Published by the American Physical Society under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Date of acceptance not available
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11 Sep 2015 23:05
Last Modified:
09 Jul 2020 03:56