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DOE OSTI · 1617635

Gravimeter Search for Compact Dark Matter Objects Moving in the Earth

Horowitz, C. J.·Widmer-Schnidrig, R.
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Abstract

Dark matter could be composed of compact dark objects (CDOs). These objects may interact very weakly with normal matter and could move freely inside the Earth. A CDO moving in the inner core of the Earth will have an orbital period near 55 min and produce a time-dependent signal in a gravimeter. Data from superconducting gravimeters rule out such objects moving inside the Earth unless their mass m D and or orbital radius a are very small so that m D a < 1.2 × 10 - 13 M ⊕ R ⊕ . Here, M ⊕ and R ⊕ are the mass and radius of the Earth, respectively.

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BibTeXRIS

Horowitz, C. J., Widmer-Schnidrig, R.. 2020-02-07. Gravimeter Search for Compact Dark Matter Objects Moving in the Earth. https://doi.org/10.1103/physrevlett.124.051102

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