New cosmological constraints on primordial black holes

B. J. Carr, Kazunori Kohri, Yuuiti Sendouda, and Jun’ichi Yokoyama
Phys. Rev. D 81, 104019 – Published 10 May 2010

Abstract

We update the constraints on the fraction of the Universe going into primordial black holes in the mass range 1091017g associated with the effects of their evaporations on big bang nucleosynthesis and the extragalactic photon background. We include for the first time all the effects of quark and gluon emission by black holes on these constraints and account for the latest observational developments. We then discuss the other constraints in this mass range and show that these are weaker than the nucleosynthesis and photon background limits, apart from a small range 10131014g, where the damping of cosmic microwave background anisotropies dominates. Finally we review the gravitational and astrophysical effects of nonevaporating primordial black holes, updating constraints over the broader mass range 11050g.

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  • Received 31 December 2009

DOI:https://doi.org/10.1103/PhysRevD.81.104019

©2010 American Physical Society

Authors & Affiliations

B. J. Carr*

  • Astronomy Unit, Queen Mary University of London, Mile End Road, London E1 4NS, United Kingdom
  • Research Center for the Early Universe (RESCEU), Graduate School of Science, The University of Tokyo, Tokyo 113-0033, Japan
  • Canadian Institute for Theoretical Astrophysics, University of Toronto, 60 St. George Street, Toronto, Ontario M5S 1A1, Canada

Kazunori Kohri

  • Department of Physics, Tohoku University, Sendai 980-8578, Japan
  • Physics Department, Lancaster University, Lancaster LA1 4YB, United Kingdom
  • Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, Massachusetts 02138, USA

Yuuiti Sendouda

  • Yukawa Institute for Theoretical Physics, Kyoto University, Kyoto 606-8502, Japan
  • Department of Physics, Graduate School of Science, The University of Tokyo, Tokyo 113-0033, Japan

Jun’ichi Yokoyama§

  • Research Center for the Early Universe (RESCEU), Graduate School of Science, The University of Tokyo, Tokyo 113-0033, Japan
  • Institute for the Physics and Mathematics of the Universe (IPMU), The University of Tokyo, Kashiwa, Chiba 277-8568, Japan

  • *B.J.Carr@qmul.ac.uk
  • kohri@tuhep.phys.tohoku.ac.jp
  • sendouda@yukawa.kyoto-u.ac.jp
  • §yokoyama@resceu.s.u-tokyo.ac.jp

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Issue

Vol. 81, Iss. 10 — 15 May 2010

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