Searches for the Higgs boson decays H → ee and H → eµ are 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 6.1 × 10−5 (5.8 × 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.
|Original language||English (US)|
|State||Published - Sep 23 2019|
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