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|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|
|Citation:||Physics Letters B, 2019; 790:1-21|
|M. Aaboud … A. 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 (http://creativecommons.org/licenses/by/4.0/). Funded by SCOAP³.|
|Appears in Collections:||Physics publications|
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