The beaming factor and other open issues in GRB Jets

T. Piran*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

9 Scopus citations

Abstract

I review several central open questions concerning GRB Jets: i) I discuss a new estimate of the beaming correction for the rate of GRBs ~ 75 ±20; ii) I discuss the universal structured jet (USJ) model and conclude that while jets might be structured they are less likely to be universal; iii) I discuss recent observations of a sideways expansion of a GRB afterglow and compare these with current hydrodynamics simulations of jet evolution; iv) I discuss the implications of resent outliers to the energy-angle relation.

Original languageEnglish
Pages (from-to)373-380
Number of pages8
JournalNuovo Cimento della Societa Italiana di Fisica C
Volume28
Issue number3
DOIs
StatePublished - 2005

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