Prompt TeV emission from cosmic rays accelerated by gamma-ray bursts interacting with a surrounding stellar wind

Soebur Razzaque; Olga Mena; Charles D. Dermer

doi:10.1088/0004-637X/691/1/L37

Prompt TeV emission from cosmic rays accelerated by gamma-ray bursts interacting with a surrounding stellar wind

Soebur Razzaque, Olga Mena, Charles D. Dermer

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

7 Citations (Scopus)

Abstract

Protons accelerated in the internal shocks of a long-duration gamma-ray burst (GRB) can escape the fireball as cosmic rays by converting to neutrons. Hadronic interactions of these neutrons inside a stellar wind bubble created by the progenitor star will produce TeV γ-rays via neutral meson decay and synchrotron radiation by charged pion-decay electrons in the wind magnetic field. Such γ-rays should be observable from nearby GRBs by currently running and upcoming ground-based detectors.

Original language	English
Pages (from-to)	L37-L40
Journal	Astrophysical Journal
Volume	691
Issue number	1
DOIs	https://doi.org/10.1088/0004-637X/691/1/L37
Publication status	Published - 2009
Externally published	Yes

Keywords

Gamma rays: bursts
Gamma rays: theory
Radiation mechanisms: non-thermal

ASJC Scopus subject areas

Astronomy and Astrophysics
Space and Planetary Science

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10.1088/0004-637X/691/1/L37

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abstract = "Protons accelerated in the internal shocks of a long-duration gamma-ray burst (GRB) can escape the fireball as cosmic rays by converting to neutrons. Hadronic interactions of these neutrons inside a stellar wind bubble created by the progenitor star will produce TeV γ-rays via neutral meson decay and synchrotron radiation by charged pion-decay electrons in the wind magnetic field. Such γ-rays should be observable from nearby GRBs by currently running and upcoming ground-based detectors.",

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AB - Protons accelerated in the internal shocks of a long-duration gamma-ray burst (GRB) can escape the fireball as cosmic rays by converting to neutrons. Hadronic interactions of these neutrons inside a stellar wind bubble created by the progenitor star will produce TeV γ-rays via neutral meson decay and synchrotron radiation by charged pion-decay electrons in the wind magnetic field. Such γ-rays should be observable from nearby GRBs by currently running and upcoming ground-based detectors.

KW - Gamma rays: bursts

KW - Gamma rays: theory

KW - Radiation mechanisms: non-thermal

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Prompt TeV emission from cosmic rays accelerated by gamma-ray bursts interacting with a surrounding stellar wind

Abstract

Keywords

ASJC Scopus subject areas

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