LARES/WEBER-SAT and the equivalence principle

Details LARES/WEBER-SAT and the equivalence principle LARES/WEBER-SAT and the equivalence principle

2007-06-13

arxiv.org/abs/0706.1930v5

Europhys.Lett.80:40007,2007

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

LaTex, 4 pages, no figures, no tables, 26 references. Proofs corrections included. To appear in EPL (Europhysics Letters)

Scientific paper

10.1209/0295-5075/80/40007

It has often been claimed that the proposed Earth artificial satellite LARES/WEBER-SAT-whose primary goal is, in fact, the measurement of the general relativistic Lense-Thirring effect at a some percent level-would allow to greatly improve, among (many) other things, the present-day (10^-13) level of accuracy in testing the equivalence principle as well. Recent claims point towards even two orders of magnitude better, i.e. 10^-15. In this note we show that such a goal is, in fact, unattainable by many orders of magnitude being, instead, the achievable level of the order of 10^-9.

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