Testing Newton’s inverse square law at intermediate scales

P. Baldi, E. G. Campari, G. Casula, S. Focardi, and F. Palmonari
Phys. Rev. D 64, 082001 – Published 24 September 2001
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Abstract

Here we report the results of a new analysis of the data obtained in the framework of an experiment consisting of the measurement of the gravitational signal induced by varying the water mass of a lake. A more precise calibration of the superconducting gravimeter used in the experiment has been performed with the use of an absolute instrument; furthermore, a knowledge of the absolute amplitude of the solid Earth tides of the station has been improved. The result of this analysis shows an agreement between data and Newtonian theory to within a 0.17% level.

  • Received 7 February 2001

DOI:https://doi.org/10.1103/PhysRevD.64.082001

©2001 American Physical Society

Authors & Affiliations

P. Baldi and E. G. Campari

  • Dipartimento di Fisica, Universita’ di Bologna, viale Berti-Pichat 6/2, 40127 Bologna, Italy

G. Casula

  • Istituto Nazionale di Geofisica e Vulcanologia, sezione di Bologna, viale Berti-Pichat 6/2, 40127 Bologna, Italy

S. Focardi and F. Palmonari

  • Dipartimento di Fisica, Universita’ di Bologna and INFN sezione di Bologna, viale Berti-Pichat 6/2, 40127 Bologna, Italy

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Issue

Vol. 64, Iss. 8 — 15 October 2001

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