Progress on a new sub-millimeter test of the gravitational inverse square law

ORAL

Abstract

Tests of the gravitational inverse square law place stringent limits on new physics. Work is underway on a new test of Newton's inverse square law at distances less than 100 microns. We utilize a torsion balance in electrostatic feedback with a parallel plate mass configuration. Construction of our apparatus is largely complete - we will share highlights from the experiment's ongoing commissioning effort.

*The authors thank the NSF and the American taxpayer for grants PHY0700912 and PHY0653863.

–

Authors

  • Charles Hagedorn

    • University of Washington

  • Matthew Turner

    • University of Washington

  • Stephan Schlamminger

    • University of Washington

  • Scott Pollack

    • University of Washington

  • Jens Gundlach

    • University of Washington