Search for non-resonant Higgs boson pair production in final states with leptons, taus, and photons in pp collisions at s = 13 TeV with the ATLAS detector

Physics

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Experimental Particle Physics

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https://doi.org/10.1007/jhep08(2024)164
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Available under license: CC BY: Creative Commons Attribution 4.0 International License

Keywords

Hadron-Hadron Scattering, Higgs Physics

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Research output: Contribution to Journal/Magazine › Journal article › peer-review

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Search for non-resonant Higgs boson pair production in final states with leptons, taus, and photons in pp collisions at s = 13 TeV with the ATLAS detector. / The ATLAS collaboration.
In: Journal of High Energy Physics, Vol. 2024, No. 8, 164, 21.08.2024.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Bibtex

@article{1a91f1c917124e5fb74f16f15abc6a03,

title = "Search for non-resonant Higgs boson pair production in final states with leptons, taus, and photons in pp collisions at s = 13 TeV with the ATLAS detector",

abstract = "A search is presented for non-resonant Higgs boson pair production, targeting the bbZZ, 4V (V = W or Z), VV{\"I}„{\"I}„, 4{\"I}„, {\^I}³{\^I}³VV and {\^I}³{\^I}³{\"I}„{\"I}„ decay channels. Events are categorised based on the multiplicity of light charged leptons (electrons or muons), hadronically decaying tau leptons, and photons. The search is based on a data sample of proton-proton collisions at s = 13 TeV recorded with the ATLAS detector during Run 2 of the Large Hadron Collider, corresponding to an integrated luminosity of 140 fb{\^a}ˆ{\textquoteright}1. No evidence of the signal is found and the observed (expected) upper limit on the cross-section for non-resonant Higgs boson pair production is determined to be 17 (11) times the Standard Model predicted cross-section at 95% confidence level under the background-only hypothesis. The observed (expected) constraints on the HHH coupling modifier, {\^I}º{\^I}», are determined to be {\^a}ˆ{\textquoteright}6.2 < {\^I}º{\^I}»< 11.6 ({\^a}ˆ{\textquoteright}4.5 < {\^I}º{\^I}»< 9.6) at 95% confidence level, assuming the Standard Model for the expected limits and that new physics would only affect {\^I}º{\^I}».",

keywords = "Hadron-Hadron Scattering, Higgs Physics",

author = "{The ATLAS collaboration} and Zainab Alsolami and A.E. Barton and G. Borissov and E.V. Bouhova-Thacker and Ruby Ferguson and James Ferrando and H. Fox and Alina Hagan and R.C.W. Henderson and R.W.L. Jones and V. Kartvelishvili and P.A. Love and E.J. Marshall and L. Meng and D. Muenstermann and N. Ribaric and Elliot Sampson and M. Smizanska and S. Spinali and A.M. Wharton",

year = "2024",

month = aug,

day = "21",

doi = "10.1007/jhep08(2024)164",

language = "English",

volume = "2024",

journal = "Journal of High Energy Physics",

issn = "1029-8479",

publisher = "Springer-Verlag",

number = "8",

}

RIS

TY - JOUR

T1 - Search for non-resonant Higgs boson pair production in final states with leptons, taus, and photons in pp collisions at s = 13 TeV with the ATLAS detector

AU - The ATLAS collaboration

AU - Alsolami, Zainab

AU - Barton, A.E.

AU - Borissov, G.

AU - Bouhova-Thacker, E.V.

AU - Ferguson, Ruby

AU - Ferrando, James

AU - Fox, H.

AU - Hagan, Alina

AU - Henderson, R.C.W.

AU - Jones, R.W.L.

AU - Kartvelishvili, V.

AU - Love, P.A.

AU - Marshall, E.J.

AU - Meng, L.

AU - Muenstermann, D.

AU - Ribaric, N.

AU - Sampson, Elliot

AU - Smizanska, M.

AU - Spinali, S.

AU - Wharton, A.M.

PY - 2024/8/21

Y1 - 2024/8/21

N2 - A search is presented for non-resonant Higgs boson pair production, targeting the bbZZ, 4V (V = W or Z), VVÏ„Ï„, 4Ï„, Î³Î³VV and Î³Î³Ï„Ï„ decay channels. Events are categorised based on the multiplicity of light charged leptons (electrons or muons), hadronically decaying tau leptons, and photons. The search is based on a data sample of proton-proton collisions at s = 13 TeV recorded with the ATLAS detector during Run 2 of the Large Hadron Collider, corresponding to an integrated luminosity of 140 fbâˆ’1. No evidence of the signal is found and the observed (expected) upper limit on the cross-section for non-resonant Higgs boson pair production is determined to be 17 (11) times the Standard Model predicted cross-section at 95% confidence level under the background-only hypothesis. The observed (expected) constraints on the HHH coupling modifier, ÎºÎ», are determined to be âˆ’6.2 < ÎºÎ»< 11.6 (âˆ’4.5 < ÎºÎ»< 9.6) at 95% confidence level, assuming the Standard Model for the expected limits and that new physics would only affect ÎºÎ».

AB - A search is presented for non-resonant Higgs boson pair production, targeting the bbZZ, 4V (V = W or Z), VVÏ„Ï„, 4Ï„, Î³Î³VV and Î³Î³Ï„Ï„ decay channels. Events are categorised based on the multiplicity of light charged leptons (electrons or muons), hadronically decaying tau leptons, and photons. The search is based on a data sample of proton-proton collisions at s = 13 TeV recorded with the ATLAS detector during Run 2 of the Large Hadron Collider, corresponding to an integrated luminosity of 140 fbâˆ’1. No evidence of the signal is found and the observed (expected) upper limit on the cross-section for non-resonant Higgs boson pair production is determined to be 17 (11) times the Standard Model predicted cross-section at 95% confidence level under the background-only hypothesis. The observed (expected) constraints on the HHH coupling modifier, ÎºÎ», are determined to be âˆ’6.2 < ÎºÎ»< 11.6 (âˆ’4.5 < ÎºÎ»< 9.6) at 95% confidence level, assuming the Standard Model for the expected limits and that new physics would only affect ÎºÎ».

KW - Hadron-Hadron Scattering

KW - Higgs Physics

U2 - 10.1007/jhep08(2024)164

DO - 10.1007/jhep08(2024)164

M3 - Journal article

VL - 2024

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

SN - 1029-8479

IS - 8

M1 - 164

ER -

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