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Title: Gravimeter Search for Compact Dark Matter Objects Moving in the Earth

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.

Authors:
ORCiD logo [1]; ORCiD logo [2]
  1. Indiana Univ., Bloomington, IN (United States)
  2. Stuttgart Univ. (Germany)
Publication Date:
Research Org.:
Indiana Univ., Bloomington, IN (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Renewable Power Office. Geothermal Technologies Office; USDOE Office of Science (SC), Nuclear Physics (NP); German Research Foundation (DFG)
OSTI Identifier:
1617635
Alternate Identifier(s):
OSTI ID: 1656767
Grant/Contract Number:  
SC0018083; FG02-87ER40365
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Volume: 124; Journal Issue: 5; Journal ID: ISSN 0031-9007
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS

Citation Formats

Horowitz, C. J., and Widmer-Schnidrig, R. Gravimeter Search for Compact Dark Matter Objects Moving in the Earth. United States: N. p., 2020. Web. https://doi.org/10.1103/PhysRevLett.124.051102.
Horowitz, C. J., & Widmer-Schnidrig, R. Gravimeter Search for Compact Dark Matter Objects Moving in the Earth. United States. https://doi.org/10.1103/PhysRevLett.124.051102
Horowitz, C. J., and Widmer-Schnidrig, R. Fri . "Gravimeter Search for Compact Dark Matter Objects Moving in the Earth". United States. https://doi.org/10.1103/PhysRevLett.124.051102. https://www.osti.gov/servlets/purl/1617635.
@article{osti_1617635,
title = {Gravimeter Search for Compact Dark Matter Objects Moving in the Earth},
author = {Horowitz, C. J. and Widmer-Schnidrig, R.},
abstractNote = {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 mD and or orbital radius a are very small so that mDa<1.2×10-13M⊕R⊕. Here, M⊕ and R⊕ are the mass and radius of the Earth, respectively.},
doi = {10.1103/PhysRevLett.124.051102},
journal = {Physical Review Letters},
number = 5,
volume = 124,
place = {United States},
year = {2020},
month = {2}
}

Journal Article:
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