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Combination of searches for Higgs boson decays into a photon and a massless dark photon using pp collisions at s = 13 TeV with the ATLAS detector

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Combination of searches for Higgs boson decays into a photon and a massless dark photon using pp collisions at s = 13 TeV with the ATLAS detector. / The ATLAS collaboration.
In: Journal of High Energy Physics, Vol. 2024, No. 8, 153, 20.08.2024.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

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The ATLAS collaboration. Combination of searches for Higgs boson decays into a photon and a massless dark photon using pp collisions at s = 13 TeV with the ATLAS detector. Journal of High Energy Physics. 2024 Aug 20;2024(8):153. doi: 10.1007/jhep08(2024)153

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@article{86be671ede4045d59c6bf8535354fb20,
title = "Combination of searches for Higgs boson decays into a photon and a massless dark photon using pp collisions at s = 13 TeV with the ATLAS detector",
abstract = "A combination of searches for Higgs boson decays into a visible photon and a massless dark photon (H {\^a}†{\textquoteright} {\^I}³{\^I}³d) is presented using 139 fb{\^a}ˆ{\textquoteright}1 of proton-proton collision data at a centre-of-mass energy of s = 13 TeV recorded by the ATLAS detector at the Large Hadron Collider. The observed (expected) 95% confidence level upper limit on the Standard Model Higgs boson decay branching ratio is determined to be B(H {\^a}†{\textquoteright} {\^I}³{\^I}³d) < 1.3% (1.5)%. The search is also sensitive to higher-mass Higgs bosons decaying into the same final state. The observed (expected) 95% confidence level limit on the cross-section times branching ratio ranges from 16 fb (20 fb) for mH = 400 GeV to 1.0 fb (1.5 fb) for mH = 3 TeV. Results are also interpreted in the context of a minimal simplified model.",
keywords = "Hadron-Hadron Scattering, Higgs Physics",
author = "{The ATLAS collaboration} and Z. 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 Elliot Sampson and M. Smizanska and A.M. Wharton",
year = "2024",
month = aug,
day = "20",
doi = "10.1007/jhep08(2024)153",
language = "English",
volume = "2024",
journal = "Journal of High Energy Physics",
issn = "1029-8479",
publisher = "Springer-Verlag",
number = "8",

}

RIS

TY - JOUR

T1 - Combination of searches for Higgs boson decays into a photon and a massless dark photon using pp collisions at s = 13 TeV with the ATLAS detector

AU - The ATLAS collaboration

AU - Alsolami, Z.

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 - Sampson, Elliot

AU - Smizanska, M.

AU - Wharton, A.M.

PY - 2024/8/20

Y1 - 2024/8/20

N2 - A combination of searches for Higgs boson decays into a visible photon and a massless dark photon (H → γγd) is presented using 139 fb−1 of proton-proton collision data at a centre-of-mass energy of s = 13 TeV recorded by the ATLAS detector at the Large Hadron Collider. The observed (expected) 95% confidence level upper limit on the Standard Model Higgs boson decay branching ratio is determined to be B(H → γγd) < 1.3% (1.5)%. The search is also sensitive to higher-mass Higgs bosons decaying into the same final state. The observed (expected) 95% confidence level limit on the cross-section times branching ratio ranges from 16 fb (20 fb) for mH = 400 GeV to 1.0 fb (1.5 fb) for mH = 3 TeV. Results are also interpreted in the context of a minimal simplified model.

AB - A combination of searches for Higgs boson decays into a visible photon and a massless dark photon (H → γγd) is presented using 139 fb−1 of proton-proton collision data at a centre-of-mass energy of s = 13 TeV recorded by the ATLAS detector at the Large Hadron Collider. The observed (expected) 95% confidence level upper limit on the Standard Model Higgs boson decay branching ratio is determined to be B(H → γγd) < 1.3% (1.5)%. The search is also sensitive to higher-mass Higgs bosons decaying into the same final state. The observed (expected) 95% confidence level limit on the cross-section times branching ratio ranges from 16 fb (20 fb) for mH = 400 GeV to 1.0 fb (1.5 fb) for mH = 3 TeV. Results are also interpreted in the context of a minimal simplified model.

KW - Hadron-Hadron Scattering

KW - Higgs Physics

U2 - 10.1007/jhep08(2024)153

DO - 10.1007/jhep08(2024)153

M3 - Journal article

VL - 2024

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

SN - 1029-8479

IS - 8

M1 - 153

ER -