Observing dark matter clumps and asteroid-mass primordial black holes in the solar system with gravimeters and GNSS networks

2023/12/22 by Bertrand, Bruno, Cuadrat-Grzybowski, Michal, Defraigne, Pascale +2 · 1 citation
#83C56 (Primary) 70M20 #83C57 #86A15 (Secondary) #Cosmology and Nongalactic Astrophysics (astro-ph.CO) #Earth and Planetary Astrophysics (astro-ph.EP) #FOS: Physical sciences #General Relativity and Quantum Cosmology (gr-qc) #High Energy Physics - Phenomenology (hep-ph)

paper · doi:10.48550/arxiv.2312.14520

Abstract

In this proceedings, we study the possible gravitational impact of primordial black holes (PBHs) or dark matter (DM) clumps on GNSS satellite orbits and gravimeter measurements. It provides a preliminary step to the future exhaustive statistical analysis over 28 years of gravimeter and GNSS data to get constraints over the density of asteroid-mass PBH and DM clumps inside the solar system. Such constraints would be the first to be obtained by direct observation on a terrestrial scale.

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