The beaming factor and other open issues in GRB Jets

T. Piran

doi:10.1393/ncc/i2005-10063-y

The beaming factor and other open issues in GRB Jets

T. Piran^*

^*Corresponding author for this work

Racah Institute of Physics

Research output: Contribution to journal › Review article › peer-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 language	English
Pages (from-to)	373-380
Number of pages	8
Journal	Nuovo Cimento della Societa Italiana di Fisica C
Volume	28
Issue number	3
DOIs	https://doi.org/10.1393/ncc/i2005-10063-y
State	Published - 2005

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AB - 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.

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The beaming factor and other open issues in GRB Jets

Abstract

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