Dynamical test of the law of gravitation

Details Dynamical test of the law of gravitation Dynamical test of the law of gravitation

Jan 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980natur.283..184h&link_type=abstract

Nature, vol. 283, Jan. 10, 1980, p. 184, 185. Research supported by the Mitsubishi Foundation.

Physics

16

Dynamic Tests, Gravitational Wave Antennas, Two Body Problem, Antenna Design, Background Noise, Gravitational Fields, Quadrupoles

Scientific paper

The paper reports a test of the law of gravitation in a range R up to 4.2 m, the experiment being based on a low-frequency dynamical quadrupole-quadrupole interaction between two masses. Specifically, a steel bar of length 0.52 m and mass of 44 kg was rotated in a horizontal plane at frequency of 30.3 Hz and the resulting dynamic gravitational field was measured by a mass quadrupole antenna resonating at 60.5 Hz. The result agrees with the inverse square law within the accuracy of the experiment.

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