What's New with the Neutron and Proton

Gerald A. Miller, Anthony W. Thomas, Jonathan D. Carroll, Johann Rafelski

Research output: Contribution to journalArticle


The existence and importance of the proton radius puzzle, observed via a Lamb shift measurement in muonic atoms, is discussed. Possible resolutions of the puzzle are discussed. Then the broader question of the meaning of the proton radius is addressed and examples of correctly defined charge densities are presented.

Original languageEnglish (US)
Pages (from-to)357-366
Number of pages10
JournalFew-Body Systems
Issue number3-4
Publication statusPublished - May 2012


ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Miller, G. A., Thomas, A. W., Carroll, J. D., & Rafelski, J. (2012). What's New with the Neutron and Proton. Few-Body Systems, 52(3-4), 357-366. https://doi.org/10.1007/s00601-011-0288-8