> Details
Aad, Georges
[Author];
Baltes, Lisa Marie
[Author];
Bartels, Falk
[Author];
Czurylo, Marta
[Author];
Rio, Fernando del
[Author];
Dittmeier, Sebastian
[Author];
Dunford, Monica
[Author];
Franchino, Silvia
[Author];
Junkermann, Thomas
[Author];
Klassen, Martin
[Author];
Mkrtchyan, Tigran
[Author];
Ott, Philipp
[Author];
Rassloff, Damir Fabrice
[Author];
Rodriguez Bosca, Sergi
[Author];
Sauer, Christof
[Author];
Schöning, André
[Author];
Schultz-Coulon, Hans-Christian
[Author];
Sothilingam, Varsiha
[Author];
Stamen, Rainer
[Author];
Starovoitov, Pavel
[Author];
Vigani, Luigi
[Author];
Weber, Sebastian
[Author];
Wessels, Martin
[Author];
Zinßer, Joachim
[Author]
;
ATLAS Collaboration
Search for an axion-like particle with forward proton scattering in association with photon pairs at ATLAS
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- Media type: E-Article
- Title: Search for an axion-like particle with forward proton scattering in association with photon pairs at ATLAS
- Contributor: Aad, Georges [VerfasserIn]; Baltes, Lisa Marie [VerfasserIn]; Bartels, Falk [VerfasserIn]; Czurylo, Marta [VerfasserIn]; Rio, Fernando del [VerfasserIn]; Dittmeier, Sebastian [VerfasserIn]; Dunford, Monica [VerfasserIn]; Franchino, Silvia [VerfasserIn]; Junkermann, Thomas [VerfasserIn]; Klassen, Martin [VerfasserIn]; Mkrtchyan, Tigran [VerfasserIn]; Ott, Philipp [VerfasserIn]; Rassloff, Damir Fabrice [VerfasserIn]; Rodriguez Bosca, Sergi [VerfasserIn]; Sauer, Christof [VerfasserIn]; Schöning, André [VerfasserIn]; Schultz-Coulon, Hans-Christian [VerfasserIn]; Sothilingam, Varsiha [VerfasserIn]; Stamen, Rainer [VerfasserIn]; Starovoitov, Pavel [VerfasserIn]; Vigani, Luigi [VerfasserIn]; Weber, Sebastian [VerfasserIn]; Wessels, Martin [VerfasserIn]; Zinßer, Joachim [VerfasserIn]
-
imprint:
31 July 2023
- Published in: Journal of high energy physics ; (2023), 7, Artikel-ID 234, Seite 1-38
- Language: English
- DOI: 10.1007/JHEP07(2023)234
- ISSN: 1029-8479
- Identifier:
- Keywords: CP Violation ; Hadron-Hadron Scattering
- Origination:
-
Footnote:
The ATLAS Collaboration: G. Aad, L.M. Baltes, F. Bartels, M.M. Czurylo, F. Del Rio, S.J. Dittmeier, M. Dunford, S. Franchino, T. Junkermann, M. Klassen, T. Mkrtchyan, P.S. Ott, D.F. Rassloff, S. Rodriguez Bosca, C. Sauer, A. Schoening, H-C. Schultz-Coulon, V. Sothilingam, R. Stamen, P. Starovoitov, L. Vigani, S.M. Weber, M. Wessels, J. Zinsser [und viele weitere]
- Description: A search for forward proton scattering in association with light-by-light scattering mediated by an axion-like particle is presented, using the ATLAS Forward Proton spectrometer to detect scattered protons and the central ATLAS detector to detect pairs of outgoing photons. Proton-proton collision data recorded in 2017 at a centre-of-mass energy of $$ \sqrt{s} $$= 13 TeV were analysed, corresponding to an integrated luminosity of 14.6 fb−1. A total of 441 candidate events were selected. A search was made for a narrow resonance in the diphoton mass distribution, corresponding to an axion-like particle (ALP) with mass in the range 150-1600 GeV. No excess is observed above a smooth background. Upper limits on the production cross section of a narrow resonance are set as a function of the mass, and are interpreted as upper limits on the ALP production coupling constant, assuming 100% decay branching ratio into a photon pair. The inferred upper limit on the coupling constant is in the range 0.04-0.09 TeV−1 at 95% confidence level.
- Access State: Open Access