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|Title:||A search for the dimuon decay of the Standard Model Higgs boson with the ATLAS detector|
Abed Abud, A.
Adam Bourdarios, C.
|Citation:||Physics Letters B: Nuclear Physics and Particle Physics, 2021; 812:135980-135980|
|G.Aad, B.Abbott, D.C.Abbott, A.Abed Abud, K.Abeling ... Paul Jackson ... et al.|
|Abstract:||A search for the dimuon decay of the Standard Model (SM) Higgs boson is performed using data corresponding to an integrated luminosity of 139 fb−1collected with the ATLAS detector in Run 2 ppcollisions at √s=13 TeV at the Large Hadron Collider. The observed (expected) significance over the background-only hypothesis for a Higgs boson with a mass of 125.09 GeV is 2.0σ(1.7σ). The observed upper limit on the cross section times branching ratio for pp →H→μμis 2.2times the SM prediction at 95% confidence level, while the expected limit on a H→μμsignal assuming the absence (presence) of a SM signal is 1.1(2.0). The best-fit value of the signal strength parameter, defined as the ratio of the observed signal yield to the one expected in the SM, is μ =1.2 ±0.6|
|Rights:||© 2020 The Author(s). 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 SCOAP3.|
|Appears in Collections:||Aurora harvest 4|
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