Constraining the Mass of the Graviton with the Planetary Ephemeris INPOP.

08:00 EDT 18th October 2019 | BioPortfolio

Summary of "Constraining the Mass of the Graviton with the Planetary Ephemeris INPOP."

We use the planetary ephemeris INPOP17b to constrain the existence of a Yukawa suppression to the Newtonian potential, generically associated with the graviton's mass. We also give an interpretation of this result for a specific case of fifth force framework. We find that the residuals for the Cassini spacecraft significantly (90% C.L.) degrade for Compton wavelengths of the graviton smaller than 1.83×10^{13}  km, which correspond to a graviton mass bigger than 6.76×10^{-23}  eV/c^{2}. This limit is comparable in magnitude to the one obtained by the LIGO-Virgo Collaboration in the radiative regime. We also use this specific example to defend that constraints on alternative theories of gravity obtained from postfit residuals may be generically overestimated.


Journal Details

This article was published in the following journal.

Name: Physical review letters
ISSN: 1079-7114
Pages: 161103


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