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Constraints on primordial black holes as dark matter candidates from star formation

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arxiv 1209.6021 v3 pith:TNOSXDI3 submitted 2012-09-26 astro-ph.CO hep-ph

Fabio Capela , Maxim Pshirkov , Peter Tinyakov This is my paper · ORCID
classification astro-ph.COhep-ph
keywords starconstraintswillblackdarkformationholesmatter
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abstract

By considering adiabatic contraction of the dark matter (DM) during star formation, we estimate the amount of DM trapped in stars at their birth. If the DM consists partly of primordial black holes (PBHs), they will be trapped together with the rest of the DM and will be finally inherited by a star compact remnant --- a white dwarf (WD) or a neutron star (NS), which they will destroy in a short time. Observations of WDs and NSs thus impose constraints on the abundance of PBH. We show that the best constraints come from WDs and NSs in globular clusters which exclude the DM consisting entirely of PBH in the mass range $10^{16}{\rm g} - 3\times 10^{22}{\rm g}$, with the strongest constraint on the fraction $\Omega_{\rm PBH} /\Omega_{\rm DM}\lesssim 10^{-2}$ being in the range of PBH masses $10^{17}{\rm g} - 10^{18}$ g.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Dark-matter-induced transients over cosmic time: The role of star formation history profiles

    astro-ph.GA 2025-05 conditional novelty 5.0 of 10

    A closed-form formula for star formation histories in galactocentric radial shells is derived from empirical galaxy scaling relations and two star formation history models.

  2. Primordial Black Holes as Dark Matter: Recent Developments

    astro-ph.CO 2020-06 unverdicted novelty 3.0 of 10

    Primordial black holes in specific mass ranges could account for some or all dark matter while resolving structure-formation and seed problems in standard cosmology.

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