Results for "muonic hydrogen"


    • Oliver Thewalt

      Proton-size puzzle deepens

      Proton-size puzzle deepens   Measurement in ordinary hydrogen agrees with a surprising 2010 result on the element's exotic cousin — but gives a smaller value than virtually every other experiment.   The proton might truly be smaller than was thought. Experi...

      Tags: Proton-size, muonic hydrogen, Max Planck Institute of Quantum Optics, Rydberg constant, higher-energy excitation, electron–proton scattering, lower-energy excitation states, Committee on Data for Science and Technology, proton radius