![Transition Frequency of Hydrogen: Contribution to the Proton Charge Radius Puzzle]()
Transition Frequency of Hydrogen: Contribution to the Proton Charge Radius PuzzleFleurbaey, Hélène; Galtier, Sandrine; Thomas, Simon; Bonnaud, Marie; Julien, Lucile; Biraben, François; Nez, François; Abgrall, Michel; Guéna, Jocelyne · Physical Review Letters · 2018