CMB bounds on disk-accreting massive primordial black holes

@article{Poulin2017CMBBO,
  title={CMB bounds on disk-accreting massive primordial black holes},
  author={Vivian Poulin and Pasquale Dario Serpico and Francesca Calore and S{\'e}bastien Clesse and Kazunori Kohri},
  journal={Physical Review D},
  year={2017},
  volume={96},
  pages={083524}
}
Stellar-mass primordial black holes (PBH) have been recently reconsidered as a dark matter (DM) candidate after the aLIGO discovery of several binary black hole (BH) mergers with masses of tens of ${M}_{\ensuremath{\bigodot}}$. Matter accretion on such massive objects leads to the emission of high-energy photons, capable of altering the ionization and thermal history of the universe. This, in turn, affects the statistical properties of the cosmic microwave background (CMB) anisotropies… 

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