# Revisiting constraints on asteroid-mass primordial black holes as dark matter candidates

@article{MonteroCamacho2019RevisitingCO,
title={Revisiting constraints on asteroid-mass primordial black holes as dark matter candidates},
author={Paulo Montero-Camacho and X. Fang and Gabriel V{\'a}squez and M. Silva and C. Hirata},
journal={arXiv: Cosmology and Nongalactic Astrophysics},
year={2019}
}
As the only dark matter candidate that does not invoke a new particle that survives to the present day, primordial black holes (PBHs) have drawn increasing attention recently. Up to now, various observations have strongly constrained most of the mass range for PBHs, leaving only small windows where PBHs could make up a substantial fraction of the dark matter. Here we revisit the PBH constraints for the asteroid-mass window, i.e., the mass range \$3.5\times 10^{-17}M_\odot < m_{\mathrm{PBH}} < 4… Expand
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