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Search for light neutral particles decaying promptly into collimated pairs of electrons or muons in pp collisions at s = 13 TeV with the ATLAS detector.

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

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Search for light neutral particles decaying promptly into collimated pairs of electrons or muons in pp collisions at s = 13 TeV with the ATLAS detector. / Ali, Hanadi; Alsolami, Zainab; Barton, A.E. et al.
In: European Physical Journal C: Particles and Fields, Vol. 85, No. 3, 335, 24.03.2025.

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

Harvard

Ali, H, Alsolami, Z, Barton, AE, Borissov, G, Bouhova-Thacker, EV, Ferguson, R, Ferrando, J, Fox, H, Hagan, A, Henderson, RCW, Jones, RWL, Kartvelishvili, V, Love, PA, Marshall, EJ, Meng, L, Muenstermann, D, Sampson, E, Smizanska, M & Wharton, AM 2025, 'Search for light neutral particles decaying promptly into collimated pairs of electrons or muons in pp collisions at s = 13 TeV with the ATLAS detector.', European Physical Journal C: Particles and Fields, vol. 85, no. 3, 335. https://doi.org/10.1140/epjc/s10052-025-13916-5

APA

Ali, H., Alsolami, Z., Barton, A. E., Borissov, G., Bouhova-Thacker, E. V., Ferguson, R., Ferrando, J., Fox, H., Hagan, A., Henderson, R. C. W., Jones, R. W. L., Kartvelishvili, V., Love, P. A., Marshall, E. J., Meng, L., Muenstermann, D., Sampson, E., Smizanska, M., & Wharton, A. M. (2025). Search for light neutral particles decaying promptly into collimated pairs of electrons or muons in pp collisions at s = 13 TeV with the ATLAS detector. European Physical Journal C: Particles and Fields, 85(3), Article 335. https://doi.org/10.1140/epjc/s10052-025-13916-5

Vancouver

Ali H, Alsolami Z, Barton AE, Borissov G, Bouhova-Thacker EV, Ferguson R et al. Search for light neutral particles decaying promptly into collimated pairs of electrons or muons in pp collisions at s = 13 TeV with the ATLAS detector. European Physical Journal C: Particles and Fields. 2025 Mar 24;85(3):335. doi: 10.1140/epjc/s10052-025-13916-5

Author

Ali, Hanadi ; Alsolami, Zainab ; Barton, A.E. et al. / Search for light neutral particles decaying promptly into collimated pairs of electrons or muons in pp collisions at s = 13 TeV with the ATLAS detector. In: European Physical Journal C: Particles and Fields. 2025 ; Vol. 85, No. 3.

Bibtex

@article{32739f650f1b4d00beace2b633aaee6c,
title = "Search for light neutral particles decaying promptly into collimated pairs of electrons or muons in pp collisions at s = 13 TeV with the ATLAS detector.",
abstract = "A search for a dark photon, a new light neutral particle, which decays promptly into collimated pairs of electrons or muons is presented. The search targets dark photons resulting from the exotic decay of the Standard Model Higgs boson, assuming its production via the dominant gluon-gluon fusion mode. The analysis is based on $$140~\hbox {fb}^{-1}$$ 140 fb - 1 of data collected with the ATLAS detector at the Large Hadron Collider from proton-proton collisions at a center-of-mass energy of 13 $$\text {T}\text {e}\hspace{-1.00006pt}\text {V}$$ Te V . Events with collimated pairs of electrons or muons are analysed and background contributions are estimated using data-driven techniques. No significant excess in the data above the Standard Model background is observed. Upper limits are set at 95% confidence level on the branching ratio of the Higgs boson decay into dark photons between 0.001% and 5%, depending on the assumed dark photon mass and signal model.",
author = "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 Marshall, {Emma J.} and L. Meng and D. Muenstermann and Elliot Sampson and M. Smizanska and A.M. Wharton",
year = "2025",
month = mar,
day = "24",
doi = "10.1140/epjc/s10052-025-13916-5",
language = "English",
volume = "85",
journal = "European Physical Journal C: Particles and Fields",
issn = "1434-6044",
publisher = "SPRINGER",
number = "3",

}

RIS

TY - JOUR

T1 - Search for light neutral particles decaying promptly into collimated pairs of electrons or muons in pp collisions at s = 13 TeV with the ATLAS detector.

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, Emma J.

AU - Meng, L.

AU - Muenstermann, D.

AU - Sampson, Elliot

AU - Smizanska, M.

AU - Wharton, A.M.

PY - 2025/3/24

Y1 - 2025/3/24

N2 - A search for a dark photon, a new light neutral particle, which decays promptly into collimated pairs of electrons or muons is presented. The search targets dark photons resulting from the exotic decay of the Standard Model Higgs boson, assuming its production via the dominant gluon-gluon fusion mode. The analysis is based on $$140~\hbox {fb}^{-1}$$ 140 fb - 1 of data collected with the ATLAS detector at the Large Hadron Collider from proton-proton collisions at a center-of-mass energy of 13 $$\text {T}\text {e}\hspace{-1.00006pt}\text {V}$$ Te V . Events with collimated pairs of electrons or muons are analysed and background contributions are estimated using data-driven techniques. No significant excess in the data above the Standard Model background is observed. Upper limits are set at 95% confidence level on the branching ratio of the Higgs boson decay into dark photons between 0.001% and 5%, depending on the assumed dark photon mass and signal model.

AB - A search for a dark photon, a new light neutral particle, which decays promptly into collimated pairs of electrons or muons is presented. The search targets dark photons resulting from the exotic decay of the Standard Model Higgs boson, assuming its production via the dominant gluon-gluon fusion mode. The analysis is based on $$140~\hbox {fb}^{-1}$$ 140 fb - 1 of data collected with the ATLAS detector at the Large Hadron Collider from proton-proton collisions at a center-of-mass energy of 13 $$\text {T}\text {e}\hspace{-1.00006pt}\text {V}$$ Te V . Events with collimated pairs of electrons or muons are analysed and background contributions are estimated using data-driven techniques. No significant excess in the data above the Standard Model background is observed. Upper limits are set at 95% confidence level on the branching ratio of the Higgs boson decay into dark photons between 0.001% and 5%, depending on the assumed dark photon mass and signal model.

U2 - 10.1140/epjc/s10052-025-13916-5

DO - 10.1140/epjc/s10052-025-13916-5

M3 - Journal article

VL - 85

JO - European Physical Journal C: Particles and Fields

JF - European Physical Journal C: Particles and Fields

SN - 1434-6044

IS - 3

M1 - 335

ER -