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Phys. Rev. 94, 500–500 (1954)

Proton-Neutron Mass Difference

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R. P. Feynman and G. Speisman
California Institute of Technology, Pasadena, California

Received 23 February 1954; published in the issue dated April 1954

© 1954 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRev.94.500
DOI:
10.1103/PhysRev.94.500
PACS: