Searching for the axion-like particle at the EIC

Yandong Liu (Key Laboratory of Beam Technology of Ministry of Education, College of Nuclear Science and Technology, Beijing Normal University, China; Beijing Radiation Center, China) ; Bin Yan (Institute of High Energy Physics, Chinese Academy of Sciences, China; Theoretical Division, Group T-2, MS B283, Los Alamos National Laboratory, P.O. Box 1663, Los Alamos, USA)

The axion-like particle (ALP) is a well motivated new particle candidate for beyond the standard model. In this study, we propose to probe the ALP via photon fusion scattering at the upcoming Electron-Ion Collider (EIC) with electron and proton energies of $ E_e=20\; {\rm GeV} $ and $ E_e=20\; {\rm GeV} $ , respectively. We can constrain the effective coupling strength between the ALP and photons to be $ E_e=20\; {\rm GeV} $ at the $ E_e=20\; {\rm GeV} $ confidence level with an integrated luminosity of $ E_e=20\; {\rm GeV} $ for the mass range $ E_e=20\; {\rm GeV} $ . Such bounds may be significantly improved if we consider the nucleus beam at the EIC. We also demonstrate that the limits from the EIC can be stronger than the off Z-pole measurement at the LEP and light-by-light scattering with pp collisions at the LHC.

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      "surname": "Yan", 
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      "source": "IOP", 
      "value": "The axion-like particle (ALP) is a well motivated new particle candidate for beyond the standard model. In this study, we propose to probe the ALP via photon fusion scattering at the upcoming Electron-Ion Collider (EIC) with electron and proton energies of   $ E_e=20\\; {\\rm GeV} $   and   $ E_e=20\\; {\\rm GeV} $  , respectively. We can constrain the effective coupling strength between the ALP and photons to be   $ E_e=20\\; {\\rm GeV} $   at the   $ E_e=20\\; {\\rm GeV} $   confidence level with an integrated luminosity of   $ E_e=20\\; {\\rm GeV} $   for the mass range   $ E_e=20\\; {\\rm GeV} $  . Such bounds may be significantly improved if we consider the nucleus beam at the EIC. We also demonstrate that the limits from the EIC can be stronger than the off Z-pole measurement at the LEP and light-by-light scattering with pp collisions at the LHC."
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Published on:
01 April 2023
Publisher:
IOP
Published in:
Chinese Physics C , Volume 47 (2023)
Issue 4
Article ID: 043113
DOI:
https://doi.org/10.1088/1674-1137/acbbc0
arXiv:
2112.02477
Copyrights:
© 2023 Chinese Physical Society and the Institute of High Energy Physics of the Chinese Academy of Sciences and the Institute of Modern Physics of the Chinese Academy of Sciences and IOP Publishing Ltd
Licence:
CC-BY-3.0

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