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

Bruno Bertrand; Michal Cuadrat-Grzybowski; Michel Van Camp; Pascale Defraigne; S\'ebastien Clesse

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

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arxiv 2312.14520 v1 pith:Y6NPQRWN submitted 2023-12-22 astro-ph.CO astro-ph.EPgr-qchep-ph

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

Bruno Bertrand , Michal Cuadrat-Grzybowski , Pascale Defraigne , Michel Van Camp , S\'ebastien Clesse This is my paper

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keywords clumpsgnssasteroid-massblackconstraintsdarkgravimeterholes

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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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