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

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arxiv 0901.0542 v3 pith:I3GG4VBK submitted 2009-01-05 astro-ph.HE gr-qchep-phhep-th

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

T. N. Ukwatta , J. H. MacGibbon , W. C. Parke , K. S. Dhuga , A. Eskandarian , N. Gehrels , L. Maximon , D. C. Morris This is my paper
classification astro-ph.HE gr-qchep-phhep-th
keywords energygamma-raypbhsblackburstshighphotonprimordial
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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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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  1. Constraints on Primordial Black Holes

    astro-ph.CO 2020-02 accept novelty 4.0

    Updated compilation shows PBHs are tightly constrained across 55 orders of magnitude in mass, ruling out dominant dark matter contributions except in narrow windows, with many limits carrying observational uncertainties.