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Type: Journal article
Title: Search for Higgs boson decays into a pair of light bosons in the bbμμ final state in pp collision at √s = 13 TeV with the ATLAS detector
Other Titles: Search for Higgs boson decays into a pair of light bosons in the bb mu mu final state in pp collision at root s = 13 TeV with the ATLAS detector
Author: Aaboud, M.
Aad, G.
Abbott, B.
Abdinov, O.
Abeloos, B.
Abhayasinghe, D.K.
Abidi, S.H.
AbouZeid, O.S.
Abraham, N.L.
Abramowicz, H.
Abreu, H.
Abulaiti, Y.
Acharya, B.S.
Adachi, S.
Adamczyk, L.
Adelman, J.
Adersberger, M.
Adiguzel, A.
Adye, T.
Affolder, A.A.
et al.
Citation: Physics Letters B, 2019; 790:1-21
Publisher: Elsevier
Issue Date: 2019
ISSN: 0370-2693
Statement of
M. Aaboud … D. Duvnjak … P. Jackson … J.L. Oliver … A. Petridis … A. Qureshi … A.S. Sharma … M.J. White … et al. [The ATLAS Collaboration]
Abstract: A search for decays of the Higgs boson into a pair of new spin-zero particles, H→aa, where the a-bosons decay into a b-quark pair and a muon pair, is presented. The search uses 36.1fb⁻¹ of proton–proton collision data at √s = 13 TeVrecorded by the ATLAS experiment at the LHC in 2015 and 2016. No significant deviation from the Standard Model prediction is observed. Upper limits at 95% confidence level are placed on the branching ratio (σH/σSM) ×B(H→aa →bbμμ), ranging from 1.2 ×10⁻⁴ to 8.4 ×10⁻⁴ in the a-boson mass range of 20–60 GeV. Model-independent limits are set on the visible production cross-section times the branching ratio to the bbμμfinal state for new physics, σvis(X) ×B(X→bbμμ), ranging from 0.1fb to 0.73fb for mμμbetween 18 and 62GeV.
Rights: © 2018 The Author. Published by Elsevier B.V. This is an open access article under the CC BY license ( Funded by SCOAP³.
RMID: 0030106991
DOI: 10.1016/j.physletb.2018.10.073
Appears in Collections:Physics publications

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