2 papers
astro-ph.IM2019
A network of precision gravimeters as a detector of matter with feeble nongravitational coupling
Wenxiang Hu, Matthew Lawson, Dmitry Budker +4
Hidden matter that interacts only gravitationally would oscillate at characteristic frequencies when trapped inside of Earth. For small oscillations near the center of the Earth, t…
physics.ins-det2019
Direct comparisons of European primary and secondary frequency standards via satellite techniques
F. Riedel, A. Al-Masoudi, E. Benkler +46
We carried out a 26-day comparison of five simultaneously operated optical clocks and six atomic fountain clocks located at INRIM, LNE-SYRTE, NPL and PTB by using two satellite-bas…