Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2000-09-06
Proceedings of the Ninth Marcel Grossmann Meeting on General Relativity (World Scientific, 2002), part C, 1825-1826.
Physics
High Energy Physics
High Energy Physics - Phenomenology
8 pages, LaTex, 4 eps figures. To be submitted to the on-line proceedings of the Ninth Marcel Grossmann Conference (Rome, 2-8
Scientific paper
We present the status of an experimental test for gravitational strength forces below 1 mm. Our experiment uses small 1 kilohertz oscillators as test masses, with a stiff counducting shield between them to suppress backgrounds. At the present sensitivity of approximately 1000 times gravitational strength, we see no evidence for new forces with interaction ranges between 75 microns and 1 mm. While the Casimir background is not expected to be significant at this range, an extension of the shielding technique we employ may be useful for reducing this background in experiments below a few microns. We describe a possible implementation.
Churnside Allison B.
Long Joshua C.
Price John C.
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