New constraints on primordial black holes abundance from femtolensing of gamma-ray bursts

By A. Barnacka, J. Glicenstein, R. Moderski. 2012

168 citations recorded by the source corpus.

The abundance of primordial black holes is currently significantly constrained in a wide range of masses. The weakest limits are established for the small mass objects, where the small intensity of the associated physical phenomenon provides a challenge for current experiments. We used gamma-ray bursts with known redshifts detected by the Fermi Gamma-ray Burst Monitor to search for the femtolensing effects caused by compact objects. The lack of femtolensing detection in the data provides new evidence that primordial black holes in the mass range 10 17 - 10 20 g do not constitute a major fraction of dark matter.

Subfields: Astronomy and Astrophysics, Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/9e6952b4acddca965ab5bfa4989ef2f187a011a8

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In Astronomy and Astrophysics

  1. B. Carr
  2. Florian Kuhnel
  3. Juan García-Bellido
  4. C. Unal
  5. Marco Peloso
  6. M. Raidal
  7. A. Kehagias
  8. K. Kannike

In Nuclear and High Energy Physics

  1. Florian Kuhnel
  2. B. Carr
  3. Juan García-Bellido
  4. Marco Peloso
  5. C. Unal
  6. K. Kannike
  7. M. Raidal
  8. A. Kehagias

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