MICROSCOPE Mission: First Constraints on the Violation of the Weak Equivalence Principle by a Light Scalar Dilaton.

@article{Berge2018MICROSCOPEMF,
  title={MICROSCOPE Mission: First Constraints on the Violation of the Weak Equivalence Principle by a Light Scalar Dilaton.},
  author={Joel Berg'e and Philippe Brax and G. M{\'e}tris and Martin Pernot-Borr{\`a}s and Pierre Touboul and Jean-Philippe Uzan},
  journal={Physical review letters},
  year={2018},
  volume={120 14},
  pages={
          141101
        }
}
  • Joel Berg'e, Philippe Brax, +3 authors Jean-Philippe Uzan
  • Published 2018
  • Physics, Medicine
  • Physical review letters
  • The existence of a light or massive scalar field with a coupling to matter weaker than gravitational strength is a possible source of violation of the weak equivalence principle. We use the first results on the Eötvös parameter by the MICROSCOPE experiment to set new constraints on such scalar fields. For a massive scalar field of mass smaller than 10^{-12}  eV (i.e., range larger than a few 10^{5}  m), we improve existing constraints by one order of magnitude to |α|<10^{-11} if the scalar… CONTINUE READING

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