伽玛暴(Gamma-Ray Burst)笔记。记录有关伽玛暴的新文章,另外也包括看的老文章、自己的想法、以及跟天文相关的一些东西。 Feel free to leave me a message by comments or by email.

星期二, 一月 06, 2009

Ukwatta 2008 原初黑洞产生伽玛暴的spectral lag

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Title:
Spectral Lags of Gamma-Ray Bursts from Primordial Black Hole (PBH) Evaporations
Authors:
Ukwatta, T. N.; MacGibbon, J. H.; Parke, W. C.; Dhuga, K. S.; Eskandarian, A.; Gehrels, N.; Maximon, L.; Morris, D. C.
Publication:
eprint arXiv:0901.0542
Publication Date:
01/2009
Origin:
ARXIV
Keywords:
Astrophysics
Comment:
3 pages; Submitted to proc. of Huntsville 2008 symposium on GRBs
Bibliographic Code:
2009arXiv0901.0542U

Abstract

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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