Bounding the graviton mass with binary pulsar observations

Sutton, Patrick J. ORCID: https://orcid.org/0000-0003-1614-3922 and Finn, Lee Samuel 2002. Bounding the graviton mass with binary pulsar observations. Classical and Quantum Gravity 19 (7) , pp. 1355-1360. 10.1088/0264-9381/19/7/318

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Abstract

By comparing the observed orbital decay of the binary pulsars PSR B1913+16 and PSR B1534+12 to that predicted by general relativity due to gravitational-wave emission, we are able to bound the mass of the graviton to be less than 7.6 × 10(−20) eV/c(2) at 90% confidence. This is the first such bound to be derived from dynamic gravitational fields. It is approximately two orders of magnitude weaker than the static-field bound from solar system observations, and will improve with further observations.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Subjects:	Q Science > QB Astronomy
Publisher:	IOP Science
ISSN:	0264-9381
Last Modified:	13 Jan 2023 03:21
URI:	https://orca.cardiff.ac.uk/id/eprint/35957

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