Gravimeter Search for Compact Dark Matter Objects Moving in the Earth.
Phys Rev Lett
; 124(5): 051102, 2020 Feb 07.
Article
em En
| MEDLINE
| ID: mdl-32083937
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_{â}R_{â}. Here, M_{â} and R_{â} are the mass and radius of the Earth, respectively.
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Coleções:
01-internacional
Base de dados:
MEDLINE
Idioma:
En
Revista:
Phys Rev Lett
Ano de publicação:
2020
Tipo de documento:
Article