Publications associated with Neutrinos


Search for the Higgs boson decays H → ee and H → eμ in pp collisions at with the ATLAS detector

Physics Letters B Elsevier 801 (2019) 135148

DK Abhayasinghe, H Abreu, S Adachi, M Adersberger, A Adiguzel, T Adye, AA Affolder, G Aielli, S Akatsuka, TPA Akesson, E Akilli, AV Akimov, MJ Alconada Verzini, S Alderweireldt, IN Aleksandrov, T Alexopoulos, M Alhroob, B Ali, J Alison, C Allaire, BMM Allbrooke, PP Allport, A Aloisio, R Nickerson

Searches for the Higgs boson decays H→ee and H→eμ are performed using data corresponding to an integrated luminosity of 139fb−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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