Gamma Ray Bursts from Interaction of Relativistic Flows with Radiation Fields

Abstract

Relativistic flows resulting from sudden explosive events upscatter ambient interstellar photons of local radiation fields. For Lorentz factor $>100$ and dense optical - UV radiation fields the emergent signal is a typical gamma ray burst. Presumably the explosions occur in dense globular clusters or in galactic nuclei, at cosmological distances.

10 pages, LaTeX, accepted for publication in the MNRAS

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