New Measurement of the 1S−3S Transition Frequency of Hydrogen: Contribution to the Proton Charge Radius Puzzle

The Rydberg constant and proton size from atomic hydrogen

(2017) Axel Beyer et al.   SCIENCE

UTC(OP) based on LNE-SYRTE atomic fountain primary frequency standards

(2016) G D Rovera et al.   METROLOGIA

CODATA recommended values of the fundamental physical constants: 2014

(2016) Peter J. Mohr et al.   REVIEWS OF MODERN PHYSICS

Progress in Spectroscopy of the 1S–3S Transition in Hydrogen

(2015) Sandrine Galtier et al.   JOURNAL OF PHYSICAL AND CHEMICAL REFERENCE DATA

Evaluation of the Proton Charge Radius from Electron–Proton Scattering

(2015) John Arrington et al.   JOURNAL OF PHYSICAL AND CHEMICAL REFERENCE DATA

The proton radius puzzle

(2015) Carl E. Carlson   PROGRESS IN PARTICLE AND NUCLEAR PHYSICS

Ultraviolet continuous-wave laser source at 205nm for hydrogen spectroscopy

(2014) Sandrine Galtier et al.   OPTICS COMMUNICATIONS

Proton Structure from the Measurement of 2S-2P Transition Frequencies of Muonic Hydrogen

(2013) A. Antognini et al.   SCIENCE

Progress in atomic fountains at LNE-SYRTE

(2012) J. Guena et al.   IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL

Shifts from a distant neighboring resonance for a four-level atom

(2011) M. Horbatsch et al.   PHYSICAL REVIEW A

Improved Measurement of the Hydrogen1S–2STransition Frequency

(2011) Christian G. Parthey et al.   PHYSICAL REVIEW LETTERS

Optical frequency measurement of the 1S–3S two-photon transition in hydrogen

(2010) O. Arnoult et al.   EUROPEAN PHYSICAL JOURNAL D

The size of the proton

(2010) Randolf Pohl et al.   NATURE

Shifts from a distant neighboring resonance

(2010) M. Horbatsch et al.   PHYSICAL REVIEW A