Measurement of the 1s-2s energy interval in muonium

V. Meyer, S. N. Bagayev, P. E. G. Baird +26

The 1s-2s interval has been measured in the muonium ({${\mu }^{+}{e}^{-}$}) atom by Doppler-free two-photon laser spectroscopy. The frequency separation of the states was determined to be 2 4…