259 citations · 282 across the 3 of their papers we have counts for
3 papers
1S-3S cw spectroscopy of hydrogen/deuterium atom
Pauline Yzombard, Simon Thomas, Lucile Julien +2
We study the 1S-3S two-photon transition of hydrogen in a thermal atomic beam, using a homemade cw laser source at 205 nm. The experimental method is described, leading in 2017 to…
High-Resolution Hydrogen Spectroscopy and the Proton Radius Puzzle
Simon Thomas, Hélène Fleurbaey, Sandrine Galtier +3
High resolution spectroscopy of the hydrogen atom takes on particular importance in the new SI, as it allows to accurately determine fundamental constants, such as the Rydberg cons…
New measurement of the transition frequency of hydrogen: contribution to the proton charge radius puzzle
Hélène Fleurbaey, Sandrine Galtier, Simon Thomas +6
We present a new measurement of the two-photon transition frequency of hydrogen, realized with a continuous-wave excitation laser at 205 nm on a room-temperature atomic bea…