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Measurement of the Muonium 1S-2S Transition Frequency

M1S2S-Collaboration

physics.atom-pharXiv:physics/9805020

Abstract

A new measurement of the 1S-2S energy splitting of muonium by Doppler-free two-photon spectroscopy has been performed at the Rutherford Appleton Laboratory in Chilton, Didcot, UK. Increased accuracy is expected compared to a previous experiment. Spectroscopy of this transistion promises an improvement of the muon mass value.

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