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http://hdl.handle.net/2289/1376| Title: | Energy and radiation spectrum of electrons in ultra-relativistic shocks of GRB afterglows |
| Authors: | Resmi, L. Bhattacharya, D. |
| Keywords: | GRB Afterglow Spectral index Particle acceleration |
| Issue Date: | 2003 |
| Publisher: | The Astronomical Society of India |
| Citation: | Bulletin of the Astronomical Society of India, 2003, Vol.31, p353-355 |
| Abstract: | We consider particle acceleration near ultra relativistic shocks (shock p 1) and the distribution of accelerated particles in the shock downstream. We suggest that the electron energy spectrum will settle mp into an "universal" power law with index p 2.2 above an "injection break" at e = i m shock, and e will be flatter at lower energies. The synchrotron radiation spectrum arising from these electrons is computed for a decelerating relativistic fireball. We show that this model can account well for the observed spectra and lightcurves of Gamma Ray Burst Afterglows. |
| URI: | http://hdl.handle.net/2289/1376 |
| ISSN: | 0304-9523 |
| Copyright: | (2003) by the Astronomical Society of India. |
| Appears in Collections: | Research Papers (A&A) |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| 2003 BASI V31 p353-355.pdf | 3p. | 120.5 kB | Adobe PDF | View/Open |
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