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

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...

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Bibliographic Details
Published in:Physical review letters 2001-02, Vol.86 (8), p.1418-1421
Main Authors: Hoyle, C D, Schmidt, U, Heckel, B R, Adelberger, E G, Gundlach, J H, Kapner, D J, Swanson, H E
Format: Article
Language:English
Subjects:
Gravitation
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Summary: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.
ISSN:0031-9007
1079-7114
DOI:10.1103/physrevlett.86.1418