Search for nonresonant Higgs boson pair production in the four leptons plus twob jets final state in proton-proton collisions at √s=13 TeV
File(s)
Published version
Author(s)
Type
Journal Article
Abstract
The first search for nonresonant production of Higgs boson pairs (HH) with
one H decaying into four leptons and the other into a pair of b quarks is presented, using
proton-proton collisions recorded at a center-of-mass energy of √
s = 13 TeV by the CMS
experiment. The analyzed data correspond to an integrated luminosity of 138 fb−1
. A 95%
confidence level upper limit of 32.4 is set on the signal strength modifier µ, defined as the
ratio of the observed HH production rate in the HH → ZZ∗
bb → 4`bb decay channel to
the standard model (SM) expectation. Possible modifications of the H trilinear coupling
λHHH with respect to the SM value are investigated. The coupling modifier κλ, defined as
λHHH divided by its SM prediction, is constrained to be within the observed (expected)
range −8.8 (−9.8) < κλ < 13.4 (15.0) at 95% confidence level.
one H decaying into four leptons and the other into a pair of b quarks is presented, using
proton-proton collisions recorded at a center-of-mass energy of √
s = 13 TeV by the CMS
experiment. The analyzed data correspond to an integrated luminosity of 138 fb−1
. A 95%
confidence level upper limit of 32.4 is set on the signal strength modifier µ, defined as the
ratio of the observed HH production rate in the HH → ZZ∗
bb → 4`bb decay channel to
the standard model (SM) expectation. Possible modifications of the H trilinear coupling
λHHH with respect to the SM value are investigated. The coupling modifier κλ, defined as
λHHH divided by its SM prediction, is constrained to be within the observed (expected)
range −8.8 (−9.8) < κλ < 13.4 (15.0) at 95% confidence level.
Date Issued
2023-06-22
Date Acceptance
2022-10-08
Citation
The Journal of High Energy Physics, 2023, 2023 (6)
ISSN
1029-8479
Publisher
SpringerOpen
Journal / Book Title
The Journal of High Energy Physics
Volume
2023
Issue
6
Copyright Statement
© 2023, The Author(s) Open Access . 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.
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https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:001035226900001&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=a2bf6146997ec60c407a63945d4e92bb
Subjects
Hadron-Hadron Scattering
Higgs Physics
Physical Sciences
Physics
Physics, Particles & Fields
Science & Technology
Publication Status
Published
Article Number
130
Date Publish Online
2023-06-22