Spectral Lags of Gamma-Ray Bursts from Primordial Black Hole (PBH) Evaporations

Details Spectral Lags of Gamma-Ray Bursts from Primordial Black Hole (PBH) Evaporations Spectral Lags of Gamma-Ray Bursts from Primordial Black Hole (PBH) Evaporations

2009-01-05

arxiv.org/abs/0901.0542v3

AIP Conf.Proc.1133:440-442,2009

Astronomy and Astrophysics

Astrophysics

High Energy Astrophysical Phenomena

3 pages; Published in the proceedings of Huntsville 2008 symposium on GRBs; Indices in Equation 7 and 8 corrected

Scientific paper

10.1063/1.3155947

Primordial Black Holes (PBHs), which may have been created in the early Universe, are predicted to be detectable by their Hawking radiation. PBHs with an initial mass of 5.0 * 10^14 g should be expiring today with a burst of high energy particles. Evaporating PBHs in the solar neighborhood are candidate Gamma-Ray Bursts (GRBs) progenitors. We propose spectral lag, which is the temporal delay between the high energy photon pulse and the low energy photon pulse, as a possible method to detect PBH evaporation events with the Fermi Gamma-ray Space Telescope Observatory.

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