Search for the Higgs boson decays H → ee and H → eμ in pp collisions at √s=13TeV with the ATLAS detector
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Date
2020
Authors
Aad, G.
Abbott, B.
Abbott, D.C.
Abed Abud, A.
Abeling, K.
Abhayasinghe, D.K.
Abidi, S.H.
AbouZeid, O.S.
Abraham, N.L.
Abramowicz, H.
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Journal article
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Physics Letters B, 2020; 801:135148-1-135148-19
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G. Aad, B. Abbott, D.C. Abbott, A. Abed Abud ... Paul Jackson ... Martin White, ... et al. (The ATLAS Collaboration)
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Abstract
Searches for the Higgs boson decays H→ee and H→eμare performed using data corresponding to an integrated luminosity of 139 fb−1 collected with the ATLAS detector in pp collisions at √s=13 TeV at the LHC. No significant signals are observed, in agreement with the Standard Model expectation. For a Higgs boson mass of 125 GeV, the observed (expected) upper limit at the 95% confidence level on the branching fraction B(H→ee)is 3.6 ×10−4(3.5 ×10−4) and on B(H→eμ)is 6.2 ×10−5(5.9 ×10−5). These results represent improvements by factors of about five and six on the previous best limits on B(H→ee)and B(H→eμ)respectively
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© 2019 The Author. 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 SCOAP