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Nordtvedt, K (2001)

Earth’s equivalence principle violating multipoles: more science from a robust violation signal in STEP

Classical and Quantum Gravity 18(13), 2467-2473.

ISSN/ISBN: 0264-9381 DOI: Not available at this time.



Abstract: ABSTRACT: Because of Earth’s non-sphericity, compositional inhomogeneities and crustal topography, an equivalence principle violation seen in a STEP mission will include multipole fine structure produced by sources effectively independent of the Earth’s monopole and quantitatively different from the gravitational multipole structure. If non-universality of gravitational free-fall occurs above STEP’s detection threshold of 10−18, there is good chance (about 40%) that the monopole phenomenon will be robust—between 10−13 and 10−15—permitting measurement of the fine structure which can yield ambiguitybreaking information about the absolute coupling strength of the newly discovered interaction


Bibtex:
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Reference Type: Journal Article

Subject Area(s): Physics