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27 papers · 1 filter
Testing Theories of Gravity with Planetary Ephemerides
Agnès Fienga, Olivier Minazzoli
We describe here how planetary ephemerides are built in the framework of General Relativity and how they can be used to test alternative theories. We focus on the definition of the…
Constraining massless dilaton theory at Solar system scales with the planetary ephemeris INPOP
L. Bernus, O. Minazzoli, A. Fienga +5
We expose the phenomenology of the massless dilaton theory in the Solar system for a non universal quadratic coupling between the scalar field which represents the dilaton, and the…
INPOP Planetary ephemerides and applications in the frame of the BepiColombo mission including new constraints on the graviton mass and dilaton parameters
A. Fienga, L. Bernus, O. Minazzoli +7
We present here the new results obtained with the INPOP planetary ephemerides and BepiColombo radio-science simulations. We give new constraints for the classic General Relativity…
Result of the MICROSCOPE Weak Equivalence Principle test
Pierre Touboul, Gilles Métris, Manuel Rodrigues +44
The space mission MICROSCOPE dedicated to the test of the Equivalence Principle (EP) operated from April 25, 2016 until the deactivation of the satellite on October 16, 2018. In th…
MICROSCOPE mission: final results of the test of the Equivalence Principle
Pierre Touboul, Gilles Métris, Manuel Rodrigues +44
The MICROSCOPE mission was designed to test the Weak Equivalence Principle (WEP), stating the equality between the inertial and the gravitational masses, with a precision of $10^{-…
Constraints on chameleon gravity from the measurement of the electrostatic stiffness of the MICROSCOPE mission accelerometers
Martin Pernot-Borràs, Joël Bergé, Philippe Brax +4
This article is dedicated to the use the MICROSCOPE mission's data to test chameleon theory of gravity. We take advantage of the technical sessions aimed to characterize the electr…