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The Shape of Spectral Breaks in GRB Afterglows
Jonathan Granot, Re'em Sari
Gamma-Ray Burst (GRB) afterglows are well described by synchrotron emission from relativistic blast waves expanding into an external medium. The blast wave is believed to amplify t…
Physical Constraints From Broadband Afterglow Fits:GRB000926 as an Example
Sarah A. Yost, Re'em Sari, Fiona A. Harrison +6
We develop a model to fit the broadband afterglows of GRBs from the intrinsic parameters of the fireball's synchrotron emission, and apply it to a few well-studied events, with the…
The prompt energy release of gamma-ray bursts using a cosmological k-correction
Joshua S. Bloom, Dale A. Frail, Re'em Sari
The fluences of gamma-ray bursts (GRBs) are measured with a variety of instruments in different detector energy ranges. A detailed comparison of the implied energy releases of the…
Beaming in Gamma-Ray Bursts: Evidence for a Standard Energy Reservoir
D. A. Frail, S. R. Kulkarni, R. Sari +11
Gamma-ray bursts (GRBs) are the most brilliant objects in the Universe but efforts to estimate the total energy released in the explosion -- a crucial physical quantity -- have bee…