High-Resolution Hydrogen Spectroscopy and the Proton Radius Puzzle

Abstract

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 constant and the proton charge radius. Recently, the second most precisely measured transition frequency in hydrogen, 1S - 3S, was obtained in our group. In the context of the Proton Radius Puzzle, this result calls for further investigation.

arXiv comment7 pages, 9 figures

References in corpus (8)

• CODATA Recommended Values of the Fundamental Physical Constants: 2014
• Improved Measurement of the Hydrogen 1S - 2S Transition Frequency
• The Proton Radius Puzzle
• New measurement of the $1S-3S$ transition frequency of hydrogen: contribution to the proton charge radius puzzle
• Optical frequency measurement of the 1S-3S two-photon transition in hydrogen
• Hyperfine Structure of the Ground and First Excited States in Light Hydrogen-Like Atoms and High-Precision Tests of QED
• Cross-damping effects in 1S-3S spectroscopy of hydrogen and deuterium
• Index of refraction of gases for matter waves: effect of the motion of the gas particles on the calculation of the index

Cited by in corpus (2)

• Isovector electromagnetic form factors of the nucleon from lattice QCD and the proton radius puzzle
• Spectroscopic tests for short-range modifications of Newtonian and post-Newtonian potentials