Testing the strong equivalence principle by radio ranging

Details Testing the strong equivalence principle by radio ranging Testing the strong equivalence principle by radio ranging

Jan 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984apj...276....1c&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 276, Jan. 1, 1984, p. 1-3.

Astronomy and Astrophysics

Astronomy

10

Cosmology, Gravitational Constant, Radar Astronomy, Rangefinding, Relativity, Solar Orbits, Quadratic Equations, Theoretical Physics

Scientific paper

Planetary range data offer the most promising means to test the validity of the Strong Equivalence Principle (SEP). The authors derive and compare analytical expressions for the perturbation in the "range" expected from an SEP violation predicted by the "variation-of-G" method and by the "two-times" approach. The dominant term in both expressions is quadratic in time. Analysis of existing range data should allow a determination of the coefficient of this term with a one-standard-deviation uncertainty of about 1 part in 1011yr-1.

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