Work

Torsion-balance tests of the weak equivalence principle

Year: 2012

Type: article

Abstract: We briefly summarize motivations for testing the weak equivalence principle and then review recent torsion-balance results that compare the differential accelerations of beryllium–aluminum and beryllium–titanium test-body pairs with precisions at the part in 10 13 level. We discuss some implications of these results for the gravitational properties of antimatter and dark matter and speculate about the prospects for further improvements in experimental sensitivity.

Source: Classical and Quantum Gravity

DOI: 10.1088/0264-9381/29/18/184002

Authors: T A Wagner, S Schlamminger, J H Gundlach, E G Adelberger

Institution: University of Washington

Language: English

Topic: Relativity and Gravitational Theory

Subfield: Astronomy and Astrophysics

Field: Physics and Astronomy

Domain: Physical Sciences

Open Access status: bronze

Funders: National Science Foundation, U.S. Department of Energy, University of Washington

Award: Probing Fundamental Physics with Gravitational Experiments