Time Variation of the Charge of the Proton

Freeman J. Dyson
Phys. Rev. Lett. 19, 1291 – Published 27 November 1967
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Abstract

From the terrestrial occurrence of the nuclei Re187 and Os187, it is deduced that the elementary unit of charge e cannot have varied by as much as one part in 1600 during the history of the earth.

  • Received 10 October 1967

DOI:https://doi.org/10.1103/PhysRevLett.19.1291

©1967 American Physical Society

Authors & Affiliations

Freeman J. Dyson*

  • Belfer Graduate School of Science, Yeshiva University, New York, New York

  • *On leave of absence from the Institute for Advanced Study, Princeton, New Jersey.

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Issue

Vol. 19, Iss. 22 — 27 November 1967

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