An experiment to detect gravity at sub-mm scale with high-Q mechanical oscillators

Details An experiment to detect gravity at sub-mm scale with high-Q mechanical oscillators An experiment to detect gravity at sub-mm scale with high-Q mechanical oscillators

2005-10-16

arxiv.org/abs/hep-ph/0510211v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

19 pages, to appear in Proceedings of the Tenth Marcel Grossmann Meeting on General Relativity, edited by M. Novello, S. Perez

Scientific paper

Silicon double paddle oscillators are well suited for the detection of weak forces because of their high Q factor (about 10^5 at room temperature). We describe an experiment aimed at the detection of gravitational forces between masses at sub-mm distance using such an oscillator. Gravitational excitation is produced by a rotating aluminium disk with platinum segments. The force sensitivity of this apparatus is about 10 fN at room temperature for 1000 s averaging time at room temperature. The current limitations to detection of the gravitational force are mentioned.

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