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Probing axion-like particles at the Electron-Ion Collider

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arxiv 2310.08827 v2 pith:TGL6RFBF submitted 2023-10-13 hep-ph hep-ex

Reuven Balkin , Or Hen , Wenliang Li , Hongkai Liu , Teng Ma , Yotam Soreq , Mike Williams This is my paper · ORCID
classification hep-phhep-ex
keywords lesssimprobealpssearchaxion-likecollidereffectiveelectron-ion
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

The Electron-Ion Collider~(EIC), a forthcoming powerful high-luminosity facility, represents an exciting opportunity to explore new physics. In this article, we study the potential of the EIC to probe the coupling between axion-like particles~(ALPs) and photons in coherent scattering. The ALPs can be produced via photon fusion and decay back to two photons inside the EIC detector. In a prompt-decay search, we find that the EIC can set the most stringent bound for $m_a \lesssim 20\,\GeV$ and probe the effective scales $\Lambda \lesssim 10^{5}\,$GeV. In a displaced-vertex search, which requires adopting an EM calorimeter technology that provides directionality, the EIC could probe ALPs with $m_a \lesssim 1\,\GeV$ at effective scales $\Lambda \lesssim 10^{7}\,\GeV$. Combining the two search strategies, the EIC can probe a significant portion of unexplored parameter space in the $0.2 < m_a <20\,\GeV$ mass range.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Long-Lived Dark Hadrons at the Electron-Ion Collider

    hep-ph 2026-07 conditional novelty 6.0 of 10

    A benchmark dark-QCD model with long-lived dark pions mixing into an axion-like state could let the EIC probe electron-portal couplings and dark pion masses beyond the reach of B-factories.

  2. ALP and $Z^\prime$ boson at the Electron-Ion collider

    hep-ph 2026-01 conditional novelty 5.0 of 10

    Projected EIC tri-electron searches would constrain electron-coupled ALPs and Z' bosons more strongly than current experiments at masses of about 10-100 GeV and 10-30 GeV, respectively.

  3. Flavor physics at the EIC with b-jet tagging

    hep-ph 2026-01 conditional novelty 5.0 of 10

    Single b-jet counting in charged-current events at the EIC could probe new flavor-changing physics up to Λ_eff ≈ 5 TeV, about 30 times the collider energy, assuming tight b-tagging and polarized beams.

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