An Interpretation of the h ν peak - E iso Correlation for GRB
Abstract
The
h
ν
peak
/100KeV∼[
E
iso
/
10
52
erg
]
1/2
correlation reported recently by Amati et al. (2002) and Lamb et al. (2003) for long GRB's can be interpreted as a viewing angle effect if the emitting region of the fireball is ring-shaped.