Does antimatter fall with the same acceleration as ordinary matter?

Details Does antimatter fall with the same acceleration as ordinary matter? Does antimatter fall with the same acceleration as ordinary matter?

Feb 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991phrvl..66..850a&link_type=abstract

Physical Review Letters (ISSN 0031-9007), vol. 66, Feb. 18, 1991, p. 850-853. DOE-supported research.

Physics

27

Acceleration (Physics), Antimatter, Gravitational Fields, Quantum Theory, Relativistic Particles, Antiparticles, Bosons, Gravitational Effects, Gravitons

Scientific paper

It is shown that equivalence-principle and inverse-square-law experiments using ordinary matter probe the gravivector acceleration of antimatter in the same ways as do direct measurements of antimatter in free falls. It is also shown that these ordinary-matter experiments set stringent upper limits on the predicted gravivector acceleration of antimatter that lie well below those expected from the present generation of direct antimatter experiments. It is pointed out that there is no evidence for unusual gravitational behavior of antimatter or for quantum-gravity-inspired models which postulate the existence of low-mass spin-0 and spin-1 partners of the graviton.

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