In a near Earth orbit the driving force of a possible violation of the equivalence principle is a factor 500 larger than it is on the ground. A passive attenuator allows one to reduce the high acceleration noise of the space structure, hence to perform the experiment in a non-dedicated, non-drag-free spacecraft. By means of piezoelectric rotating sensors, with frictionless diamagnetic bearings, it is possible to test the equivalence principle at room temperature to 3 x 10(-15), about three orders of magnitude better than achieved so far.
Autori interni: | |
Autori: | BRAMANTI D; NOBILI A.M.; CATASTINI G |
Titolo: | TEST OF THE EQUIVALENCE PRINCIPLE IN A NON-DRAG-FREE SPACECRAFT |
Anno del prodotto: | 1992 |
Digital Object Identifier (DOI): | 10.1016/0375-9601(92)91099-D |
Appare nelle tipologie: | 1.1 Articolo in rivista |
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