Phys. Rev. Lett. 86, 1418 - 1421 (2001)

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

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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

Featured in Phys. Rev. Focus Received 23 October 2000

Motivated by higher-dimensional theories that predict new effects, we tested the gravitational 1/r2 law at separations ranging down to 218 μm 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.


©2001 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevLett.86.1418
DOI: 10.1103/PhysRevLett.86.1418
PACS: 04.80.Cc

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