Tower gravity experiment - Evidence for non-Newtonian gravity

Details Tower gravity experiment - Evidence for non-Newtonian gravity Tower gravity experiment - Evidence for non-Newtonian gravity

Jun 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988phrvl..60.2567e&link_type=abstract

Physical Review Letters (ISSN 0031-9007), vol. 60, June 20, 1988, p. 2567-2570.

Physics

88

Drop Towers, Gravimeters, Gravitation Theory, Newton Theory, Radio Frequency Interference, Bessel Functions, Fourier Series

Scientific paper

The authors tested Newton's inverse-square law of gravitation by comparing gravity measured on a 600-m tower with gravity calculated from ground measurements. A significant departure from the law was detected, approaching (-500±35)×10-8m s-2 at the top of the tower and suggestive of a rapidly attenuating non-Newtonian attractive force. These results are marginally consistent with a one-term Yukawa-type attractive force, but they are fully consistent with two Yukawa-type forces, attractive and repulsive, and then also with Airy and Cavendish experiments.

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