Nonresonant searches for axion-like particles in vector boson scattering processes at the LHC
Entity
UAM. Departamento de Física TeóricaPublisher
SpringerDate
2022-06-01Citation
10.1007/JHEP06(2022)113
Journal of High Energy Physics (JHEP) 2022.6 (2022): 113
ISSN
1126-6708 (print); 1029-8479 (online)DOI
10.1007/JHEP06(2022)113Funded by
The work of J.B. was supported by the Spanish MICIU through the National Program FPU (grant number FPU18/03047). The work of J.M.R. was supported by the Spanish MICIU through the National Program FPI-Severo Ochoa (grant number PRE2019-089233). J.B. and J.M.R. acknowledge partial financial support by the Spanish MINECO through the Centro de excelencia Severo Ochoa Program under grant SEV-2016-0597, by the Spanish “Agencia Estatal de Investigacíon” (AEI) and the EU “Fondo Europeo de Desarrollo Regional” (FEDER) through the project PID2019-108892RB-I00/AEI/10.13039/501100011033. J.F.T. acknowledges support from the AEI and the EU FEDER through the project PID2020- 116262RB-C43Project
Gobierno de España. SEV-2016-0597; Gobierno de España. PID2019-108892RB-I00Editor's Version
https://doi.org/10.1007/JHEP06(2022)113Subjects
Axions and ALPs; Electroweak Precision Physics; Specific BSM Phenomenology; FísicaRights
© 2022 The Author(s)Abstract
We propose a new search for Axion-Like Particles (ALPs), targeting Vector Boson Scattering (VBS) processes at the LHC. We consider nonresonant ALP-mediated VBS, where the ALP participates as an off-shell mediator. This process occurs whenever the ALP is too light to be produced resonantly, and it takes advantage of the derivative nature of ALP interactions with the electroweak Standard Model bosons. We study the production of ZZ, Zγ, W±γ, W±Z and W±W± pairs with large diboson invariant masses in association with two jets. Working in a gauge-invariant framework, upper limits on ALP couplings to electroweak bosons are obtained from a reinterpretation of Run 2 public CMS VBS analyses. The constraints inferred on ALP couplings to ZZ, Zγ and W±W± pairs are very competitive for ALP masses up to 100 GeV. They have the advantage of being independent of the ALP coupling to gluons and of the ALP decay width. Simple projections for LHC Run 3 and HL-LHC are also calculated, demonstrating the power of future dedicated analyses at ATLAS and CMS
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Google Scholar:Bonilla García, Jesús
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Brivio, Ilaria
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Machado Rodríguez, Jonathan-Gilbert
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Fernández Trocóniz Acha, Jorge
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