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Submillimeter Test of the Gravitational Inverse-Square Law: A Search for “Large” Extra Dimensions

C. D. Hoyle, U. Schmidt, B. R. Heckel, E. G. Adelberger, J. H. Gundlach, D. J. Kapner, and H. E. Swanson
Phys. Rev. Lett. 86, 1418 – Published 19 February 2001
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Abstract

Motivated by higher-dimensional theories that predict new effects, we tested the gravitational 1/r2 law at separations ranging down to 218μm using a 10-fold symmetric torsion pendulum and a rotating 10-fold symmetric attractor. We improved previous short-range constraints by up to a factor of 1000 and find no deviations from Newtonian physics.

  • Received 23 October 2000

DOI:https://doi.org/10.1103/PhysRevLett.86.1418

©2001 American Physical Society

Authors & Affiliations

C. D. Hoyle, U. Schmidt, B. R. Heckel, E. G. Adelberger, J. H. Gundlach, D. J. Kapner, and H. E. Swanson

  • Department of Physics, University of Washington, Seattle, Washington 98195-1560

See Also

Newton’s Still Correct

Phys. Rev. Focus 7, 8 (2001)

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Vol. 86, Iss. 8 — 19 February 2001

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