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Constraints on LISA Pathfinder’s self-gravity: design requirements, estimates and testing procedures

Mendes, L.; Madden, S.; Russano, G. +96 more

LISA Pathfinder satellite was launched on 3 December 2015 toward the Sun-Earth first Lagrangian point (L1) where the LISA Technology Package (LTP), which is the main science payload, will be tested. LTP achieves measurements of differential acceleration of free-falling test masses (TMs) with sensitivity below 3× {10}^-14 {{m}} {{{s}}}