Search for a light CP-odd Higgs boson decaying into a pair of τ-leptons in proton-proton collisions at s = 13 TeV with the ATLAS detector

Physics

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Experimental Particle Physics

Text available via DOI:

https://doi.org/10.1007/jhep12(2024)126
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Available under license: CC BY: Creative Commons Attribution 4.0 International License

Keywords

Higgs Physics, Hadron-Hadron Scattering

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Search for a light CP-odd Higgs boson decaying into a pair of τ-leptons in proton-proton collisions at s = 13 TeV with the ATLAS detector. / The ATLAS collaboration.
In: Journal of High Energy Physics, Vol. 2024, No. 12, 126, 17.12.2024.

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

Bibtex

@article{184497767fd5443d9f04fe993e3d1af3,

title = "Search for a light CP-odd Higgs boson decaying into a pair of τ-leptons in proton-proton collisions at s = 13 TeV with the ATLAS detector",

abstract = "This paper reports a search for a light CP-odd scalar resonance with a mass of 20 GeV to 90 GeV in 13 TeV proton-proton collision data with an integrated luminosity of 140 fb{\^a}ˆ{\textquoteright}1 collected with the ATLAS detector at the Large Hadron Collider. The analysis assumes the resonance is produced via gluon-gluon fusion and decays into a {\"I}„+{\"I}„{\^a}ˆ{\textquoteright} pair which subsequently decays into a fully leptonic {\^I}¼+{\^I}½{\^I}¼{\^I}½{\^A}¯{\"I}„e{\^a}ˆ{\textquoteright}{\^I}½{\^A}¯e{\^I}½{\"I}„ or e+{\^I}½e{\^I}½{\^A}¯{\"I}„{\^I}¼{\^a}ˆ{\textquoteright}{\^I}½{\^A}¯{\^I}¼{\^I}½{\"I}„ final state. No significant excess of events above the predicted Standard Model background is observed. The results are interpreted within a flavour-aligned two-Higgs-doublet model, and a model-independent cross-section interpretation is also given. Upper limits at 95% confidence level between 3.0 pb and 68 pb are set on the cross-section for producing a CP-odd Higgs boson that decays into a {\"I}„+{\"I}„{\^a}ˆ{\textquoteright} pair.",

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

author = "{The ATLAS collaboration} and Hanadi Ali 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 Luke Mcelhinney and L. Meng and D. Muenstermann and Elliot Sampson and M. Smizanska and A.M. Wharton",

year = "2024",

month = dec,

day = "17",

doi = "10.1007/jhep12(2024)126",

language = "English",

volume = "2024",

journal = "Journal of High Energy Physics",

issn = "1029-8479",

publisher = "Springer-Verlag",

number = "12",

}

RIS

TY - JOUR

T1 - Search for a light CP-odd Higgs boson decaying into a pair of τ-leptons in proton-proton collisions at s = 13 TeV with the ATLAS detector

AU - The ATLAS collaboration

AU - Ali, Hanadi

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 - Mcelhinney, Luke

AU - Meng, L.

AU - Muenstermann, D.

AU - Sampson, Elliot

AU - Smizanska, M.

AU - Wharton, A.M.

PY - 2024/12/17

Y1 - 2024/12/17

N2 - This paper reports a search for a light CP-odd scalar resonance with a mass of 20 GeV to 90 GeV in 13 TeV proton-proton collision data with an integrated luminosity of 140 fbâˆ’1 collected with the ATLAS detector at the Large Hadron Collider. The analysis assumes the resonance is produced via gluon-gluon fusion and decays into a Ï„+Ï„âˆ’ pair which subsequently decays into a fully leptonic Î¼+Î½Î¼Î½Â¯Ï„eâˆ’Î½Â¯eÎ½Ï„ or e+Î½eÎ½Â¯Ï„Î¼âˆ’Î½Â¯Î¼Î½Ï„ final state. No significant excess of events above the predicted Standard Model background is observed. The results are interpreted within a flavour-aligned two-Higgs-doublet model, and a model-independent cross-section interpretation is also given. Upper limits at 95% confidence level between 3.0 pb and 68 pb are set on the cross-section for producing a CP-odd Higgs boson that decays into a Ï„+Ï„âˆ’ pair.

AB - This paper reports a search for a light CP-odd scalar resonance with a mass of 20 GeV to 90 GeV in 13 TeV proton-proton collision data with an integrated luminosity of 140 fbâˆ’1 collected with the ATLAS detector at the Large Hadron Collider. The analysis assumes the resonance is produced via gluon-gluon fusion and decays into a Ï„+Ï„âˆ’ pair which subsequently decays into a fully leptonic Î¼+Î½Î¼Î½Â¯Ï„eâˆ’Î½Â¯eÎ½Ï„ or e+Î½eÎ½Â¯Ï„Î¼âˆ’Î½Â¯Î¼Î½Ï„ final state. No significant excess of events above the predicted Standard Model background is observed. The results are interpreted within a flavour-aligned two-Higgs-doublet model, and a model-independent cross-section interpretation is also given. Upper limits at 95% confidence level between 3.0 pb and 68 pb are set on the cross-section for producing a CP-odd Higgs boson that decays into a Ï„+Ï„âˆ’ pair.

KW - Higgs Physics

KW - Hadron-Hadron Scattering

U2 - 10.1007/jhep12(2024)126

DO - 10.1007/jhep12(2024)126

M3 - Journal article

VL - 2024

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

SN - 1029-8479

IS - 12

M1 - 126

ER -

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