e± pair cascades and precursors in gamma-ray bursts

P. Mészáros; E. Ramirez-Ruiz; M. J. Rees

doi:10.1086/321404

e^± pair cascades and precursors in gamma-ray bursts

P. Mészáros, E. Ramirez-Ruiz, M. J. Rees

Research output: Contribution to journal › Article › peer-review

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Abstract

Gamma-ray burst sources with a high luminosity can produce electron-positron pair cascades in their environment as a result of backscattering of a seed fraction of their original hard spectrum. The resulting spectral modifications offer the possibility of diagnosing not only the compactness parameter of the gamma-ray-emitting region but also the baryonic density of the environment external to the burst.

Original language	English (US)
Pages (from-to)	660-666
Number of pages	7
Journal	Astrophysical Journal
Volume	554
Issue number	2 PART 1
DOIs	https://doi.org/10.1086/321404
State	Published - Jun 20 2001

All Science Journal Classification (ASJC) codes

Astronomy and Astrophysics
Space and Planetary Science

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10.1086/321404

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title = "e± pair cascades and precursors in gamma-ray bursts",

abstract = "Gamma-ray burst sources with a high luminosity can produce electron-positron pair cascades in their environment as a result of backscattering of a seed fraction of their original hard spectrum. The resulting spectral modifications offer the possibility of diagnosing not only the compactness parameter of the gamma-ray-emitting region but also the baryonic density of the environment external to the burst.",

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AU - Mészáros, P.

AU - Ramirez-Ruiz, E.

AU - Rees, M. J.

PY - 2001/6/20

Y1 - 2001/6/20

N2 - Gamma-ray burst sources with a high luminosity can produce electron-positron pair cascades in their environment as a result of backscattering of a seed fraction of their original hard spectrum. The resulting spectral modifications offer the possibility of diagnosing not only the compactness parameter of the gamma-ray-emitting region but also the baryonic density of the environment external to the burst.

AB - Gamma-ray burst sources with a high luminosity can produce electron-positron pair cascades in their environment as a result of backscattering of a seed fraction of their original hard spectrum. The resulting spectral modifications offer the possibility of diagnosing not only the compactness parameter of the gamma-ray-emitting region but also the baryonic density of the environment external to the burst.

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JO - Astrophysical Journal

JF - Astrophysical Journal

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ER -

e^± pair cascades and precursors in gamma-ray bursts

Abstract

All Science Journal Classification (ASJC) codes

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