Abstract
We conducted three torsion-balance experiments to test the gravitational inverse-square law at separations between 9.53 mm and , probing distances less than the dark-energy length scale . We find with 95% confidence that the inverse-square law holds () down to a length scale and that an extra dimension must have a size .
- Received 16 October 2006
DOI:https://doi.org/10.1103/PhysRevLett.98.021101
©2007 American Physical Society