Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/123721
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Type: Journal article
Title: Search for pair production of Higgs bosons in the bb‾‾bb‾‾ final state using proton-proton collisions at √s = 13 TeV with the ATLAS detector
Other Titles: Search for pair production of Higgs bosons in the bb -bar -bar bb -bar -bar final state using proton-proton collisions at root s = 13 TeV with the ATLAS detector
Author: Aaboud, M.
Aad, G.
Abbott, B.
Abdinov, O.
Abeloos, B.
Abidi, S.
AbouZeid, O.
Abraham, N.
Abramowicz, H.
Abreu, H.
Abulaiti, Y.
Acharya, B.
Adachi, S.
Adamczyk, L.
Adelman, J.
Adersberger, M.
Adye, T.
Affolder, A.
Afik, Y.
Agheorghiesei, C.
et al.
Citation: Journal of High Energy Physics, 2019; 2019(1):030-[1],1-030-48
Publisher: Springer Nature
Issue Date: 2019
ISSN: 1029-8479
1029-8479
Statement of
Responsibility: 
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 Higgs boson pair production in the bb‾‾bb‾‾ final state is carried out with up to 36.1 fb⁻¹ of LHC proton-proton collision data collected at √s = 13 TeV with the ATLAS detector in 2015 and 2016. Three benchmark signals are studied: a spin-2 graviton decaying into a Higgs boson pair, a scalar resonance decaying into a Higgs boson pair, and Standard Model non-resonant Higgs boson pair production. Two analyses are carried out, each implementing a particular technique for the event reconstruction that targets Higgs bosons reconstructed as pairs of jets or single boosted jets. The resonance mass range covered is 260–3000 GeV. The analyses are statistically combined and upper limits on the production cross section of Higgs boson pairs times branching ratio to bb‾‾bb‾‾ are set in each model. No significant excess is observed; the largest deviation of data over prediction is found at a mass of 280 GeV, corresponding to 2.3 standard deviations globally. The observed 95% confidence level upper limit on the non-resonant production is 13 times the Standard Model prediction.
Rights: Open Access, Copyright CERN, for the benefit of the ATLAS Collaboration. Article funded by SCOAP³. This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.
RMID: 0030107474
DOI: 10.1007/JHEP01(2019)030
Appears in Collections:Physics publications

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