Frequency Shift of the Zero-Field Hyperfine Splitting of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi mathvariant="normal">Cs</mml:mi></mml:mrow><mml:mrow><mml:mn>133</mml:mn></mml:mrow></mml:msup></mml:mrow></mml:math>Produced by Various Buffer Gases

Broadening and Shift of Spectral Lines Due to the Presence of Foreign Gases

1957 • 432 citations

An Atomic Standard of Frequency and Time Interval: A Cæsium Resonator

1955 • 265 citations

Optical Detection of Zero-Field Hyperfine Splitting of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi mathvariant="normal">Na</mml:mi></mml:mrow><mml:mrow><mml:mn>23</mml:mn></mml:mrow></mml:msup></mml:mrow></mml:math>

1958 • 69 citations