Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2010-05-18
Annalen Phys.522:861-873,2010
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
17 pages, 3 figures Version 2 is revised as per editorial/referee comments
Scientific paper
10.1002/andp.201010460
A substantial improvement in the accuracy of G-dot tests (The dot denotes the time derivative.) would make it realistic to speak in terms of a measurement of G-dot, rather than merely a smaller upper bound on |G-dot|. We show that the accuracy delta|G-dot/G| \approx 10^-14 yr^-1 may be sufficient, given the accuracy of other cosmological parameters, to observe effects predicted by higher dimensions theories and, hence, to discriminate among different models. The \.G design goal for the SEE (Satellite Energy Exchange) mission is delta(G-dot/G) \approx 10^-14 yr^-1.
Gillies George T.
Sanders Alvin J.
Schmutzer Ernst
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