Relativistic fireballs: energy conversion and time-scales

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ID: 304402
1992
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Abstract
The expansion energy of a relativistic fireball can be reconverted into radiation when it interacts with an external medium. For expansion with Lorentz factors ≳ 103 into a typical galactic environment, the corresponding time-scale in the frame of the observer is of the order of seconds. This mechanism would operate in any cosmological scenario of gamma-ray bursts involving initial energies of order a per cent of a stellar rest mass, and implies photon energies and time-scales compatible with those observed in gamma-ray bursts.
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Authors M. J. Rees, P. Mészáros
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Journal monthly notices of the royal astronomical society
Year 1992
DOI
10.1093/mnras/258.1.41p
URL
https://academic.oup.com/mnras/article-pdf/258/1/41P/2897945/mnras258-041P.pdf
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