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physics.atom-ph2011★ 430 cited
Improved Measurement of the Hydrogen 1S - 2S Transition Frequency
Christian G. Parthey, Arthur Matveev, Janis Alnis +14
We have measured the 1S - 2S transition frequency in atomic hydrogen via two photon spectroscopy on a 5.8 K atomic beam. We obtain Hz for t…
physics.atom-ph2009★ 59 cited
Precision spectroscopy of the 3s-3p fine structure doublet in Mg+
V. Batteiger, S. Knünz, M. Herrmann +7
We apply a recently demonstrated method for precision spectroscopy on strong transitions in trapped ions to measure both fine structure components of the 3s-3p transition in 24-Mg+…