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arXiv · 2203.05484

Axion-Like Particles at High Energy Muon Colliders -- A White paper for Snowmass 2021

Tao Han·Tong Li·Xing Wang
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Abstract

We study the discovery potential for heavy axion-like particles (ALPs) and the perspectives for determining their coupling properties at a muon collider. Focusing on their couplings to the Standard Model (SM) gauge bosons $\gamma, Z, W^\pm$, we show that a high-energy muon collider can substantially extend the mass coverage, essentially reaching the kinematic limit of the collider energy. The unique kinematics allow for non-ambiguous determination of the individual coupling strengths. The associated production via $\mu^+\mu^-$ annihilation and the VBF processes with the tagged outgoing muons can be utilized to verify the CP property of the ALPs. We illustrate our results for a muon collider running at 3 TeV and 10 TeV.

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Tao Han, Tong Li, Xing Wang. 2022-03-10. Axion-Like Particles at High Energy Muon Colliders -- A White paper for Snowmass 2021. https://arxiv.org/abs/2203.05484

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