Early afterglows from radially structured outflows and the application to X-ray shallow decays

In the fireball model, it is more physically realistic that ganuna-ray burst (GRB) ejecta have a range of bulk Lorentz factors (assuming M ∝ Г^-8). The low Lorentz factor part of the ejecta will catch up with the high Lorentz factor part when the latter is decelerated by the surrounding medium to a...

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Veröffentlicht in:Chinese journal of astronomy and astrophysics 2009-08, Vol.9 (8), p.911-920
Hauptverfasser: Liu, Xue-Wen, Wu, Xue-Feng, Zou, Yuan-Chuan, Lu, Tan
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Sprache:eng
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