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Search for Higgs boson pair production in the γγWW∗ channel using pp collision data recorded at √s=13 TeV with the ATLAS detector

ATLAS Collaboration, .; (2018) Search for Higgs boson pair production in the γγWW∗ channel using pp collision data recorded at √s=13 TeV with the ATLAS detector. European Physical Journal C , 2018 (78) , Article 1007. 10.1140/epjc/s10052-018-6457-x. Green open access

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Abstract

Searches for non-resonant and resonant Higgs boson pair production are performed in the γγWW∗ channel with the final state of γγℓνjj using 36.1 fb−1 of proton–proton collision data recorded at a centre-of-mass energy of s√= 13 TeV by the ATLAS detector at the Large Hadron Collider. No significant deviation from the Standard Model prediction is observed. A 95% confidence-level observed upper limit of 7.7 pb is set on the cross section for non-resonant production, while the expected limit is 5.4 pb. A search for a narrow-width resonance X decaying to a pair of Standard Model Higgs bosons HH is performed with the same set of data, and the observed upper limits on σ(pp→X)×B(X→HH) range between 40.0 and 6.1 pb for masses of the resonance between 260 and 500 GeV, while the expected limits range between 17.6 and 4.4 pb. When deriving the limits above, the Standard Model branching ratios of the H→γγ and H→WW∗ are assumed.

Type: Article
Title: Search for Higgs boson pair production in the γγWW∗ channel using pp collision data recorded at √s=13 TeV with the ATLAS detector
Open access status: An open access version is available from UCL Discovery
DOI: 10.1140/epjc/s10052-018-6457-x
Publisher version: https://doi.org/10.1140/epjc/s10052-018-6457-x
Language: English
Additional information: Copyright © CERN for the benefit of the ATLAS collaboration 2018. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/ licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy
URI: http://discovery.ucl.ac.uk/id/eprint/10064867
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