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physics.atom-ph2025
Precision measurements of muonium and muonic helium hyperfine structure at J-PARC
Patrick Strasser, Mitsushi Abe, Kanta Asai +19
At the J-PARC Muon Science Facility (MUSE), the MuSEUM collaboration is now performing new precision measurements of the ground state hyperfine structure (HFS) of both muonium and…
physics.atom-ph2024
Few-electron highly charged muonic Ar atoms verified by electronic x rays
T. Okumura, T. Azuma, D. A. Bennett +40
Electronic x rays emitted by muonic Ar atoms in the gas phase were observed using a superconducting transition-edge-sensor microcalorimeter. The high-precision energy spectra p…