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oai:ebyu-rdlopen.rawdatalibrary.net:ebyu/145392026-10-18T20:29:21Zopenairedrivercom_ebyu_10000col_ebyu_10001

Search for high-mass Zγ resonances in e+e−γ and μ + μ −γ final states in proton-proton collisions at √s=8 and 13 TeVKhachatryan, V.Sirunyan, A.M.Tumasyan, A.Adam, W.Asilar, E.Bergauer, T.Brandstetter, J.Brondolin, E.Dragicevic, M.Erö, J.Flechl, M.Friedl, M.Frühwirth, R.Ghete, V.M.Hartl, C.Hörmann, N.Hrubec, J.Jeitler, M.König, A.Krätschmer, I.Liko, D.Matsushita, T.Mikulec, I.Rabady, D.Rad, N.Rahbaran, B.Rohringer, H.Schieck, J.Strauss, J.Waltenberger, W.Wulz, C.-E.Dvornikov, O.Makarenko, V.Zykunov, V.Mossolov, V.Shumeiko, N.Suarez Gonzalez, J.Alderweireldt, S.De Wolf, E.A.Janssen, X.Lauwers, J.Van De Klundert, M.Van Haevermaet, H.Van Mechelen, P.Van Remortel, N.Van Spilbeeck, A.Abu Zeid, S.Blekman, F.D’Hondt, J.Daci, N.Beyond Standard ModelHadron-Hadron scattering (experiments)This paper describes the search for a high-mass narrow-width scalar particle decaying into a Z boson and a photon. The analysis is performed using proton-proton collision data recorded with the CMS detector at the LHC at center-of-mass energies of 8 and 13 TeV, corresponding to integrated luminosities of 19.7 and 2.7 fb−1, respectively. The Z bosons are reconstructed from opposite-sign electron or muon pairs. No statistically significant deviation from the standard model predictions has been found in the 200-2000 GeV mass range. Upper limits at 95% confidence level have been derived on the product of the scalar particle production cross section and the branching fraction of the Z decaying into electrons or muons, which range from 280 to 20 fb for resonance masses between 200 and 2000 GeV.[Figure not available: see fulltext.] © 2017, The Author(s).Springer Science and Business Media Deutschland GmbH2017Articlehttps://rdlopen.rawdatalibrary.net/r/ebyu/14539https://doi.org/10.1007/jhep01(2017)0761029-8479enJournal of High Energy Physicsinfo:eu-repo/semantics/openAccessinfo:eu-repo/semantics/articlehttps://ebyu-rdlopen.rawdatalibrary.net/tr/items/ebyu/14539