Test of the equivalence principle for ordinary matter falling toward dark matter

Details Test of the equivalence principle for ordinary matter falling toward dark matter Test of the equivalence principle for ordinary matter falling toward dark matter

Jan 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993phrvl..70..123s&link_type=abstract

Physical Review Letters (ISSN 0031-9007), vol. 70, no. 2, p. 123-126.

Astronomy and Astrophysics

Astronomy

19

Dark Matter, Galactic Mass, Galactic Nuclei, Gravitational Effects, Luminosity, Black Holes (Astronomy), Equivalence, Particle Mass

Scientific paper

The equivalence principle (EP) was tested experimentally using an Eot-Wash torsion balance for a 24-month period to study Be, Cu, and Al falling toward the Galactic center. The differential accelerations are used to obtain the EP parameters for Be/Cu and Be/Al. The results provide evidence for the usual assumption that gravitation is the only significant long-range interaction between dark matter and ordinary matter.

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