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This research investigates the production of true muonium and analyzes detection prospects in high-energy experiments.

March 14, 2026The European Physical Journal C0 citationsOpen Access

Creating true muonium via charmonium radiative decay

JDJ. P. DaiYunnan University HLHai-Bo LiChinese Academy of Sciences SZS. J. ZhaoBeijing Institute of Technology

Key Points

This research investigates the production of true muonium and analyzes detection prospects in high-energy experiments.
Explores true muonium production via radiative decay of J/ψ meson.
Investigates potential detection strategies in BESIII and Super Tau-Charm Facility experiments.
True muonium, a bound state of a muon and antimuon, remains experimentally elusive.
Detection via J/ψ radiative decay could be feasible with future updates to Super Tau-Charm Facility.

Abstract

Abstract True muonium, the bound state of a muon and an antimuon (^+ ^- μ + μ -), has long been theoretically predicted but remains experimentally elusive. We investigate the production of true para-muonium in the radiative decay of J/ J / ψ meson, and analyze the prospects for detecting true muonium in current and future high-energy e^+e^- e + e - experiments, particularly focusing on the BESIII experiment and the proposed Super Tau-Charm Facility. Although the events are rare at the super tau-charm facility, the detection of true para-muonium via J/ J / ψ radiative decays could become feasible at its future updates.

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