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. 2001 Feb 19;86(8):1418-21.
doi: 10.1103/PhysRevLett.86.1418.

Submillimeter test of the gravitational inverse-square law: a search for "large" extra dimensions

C D Hoyle  1 , U Schmidt, B R Heckel, E G Adelberger, J H Gundlach, D J Kapner, H E Swanson
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Submillimeter test of the gravitational inverse-square law: a search for "large" extra dimensions

C D Hoyle et al. Phys Rev Lett. .

Abstract

Motivated by higher-dimensional theories that predict new effects, we tested the gravitational 1/r(2) law at separations ranging down to 218 microm 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.

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