Statistics – Computation
Scientific paper
Jun 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982natur.297..665f&link_type=abstract
Nature, vol. 297, June 24, 1982, p. 665-667. Research sponsored by the U.S. Department of Energy;
Statistics
Computation
36
Compton Effect, Gamma Ray Bursts, X Ray Sources, Black Body Radiation, Bremsstrahlung, Monte Carlo Method
Scientific paper
The possible contribution of Compton scattering to the formation of gamma-ray burst spectra is analyzed. Monte Carlo calculations are used to study the spectral distribution emerging from a plasma at temperatures typical of gamma-ray burst spectra (above 100 keV) with an underlying source of photons reprocessed by inverse Compton scattering surrounding a point source of blackbody radiation. Comparison of the computations with the observed spectrum of the burst GB781104 results in a best fit with a blackbody X-ray source at 2.4 keV, plasma temperature of about 150 eV and plasma column density of 4 x 10 to the 24th electrons/sq cm. The Comptonization model is also shown to be capable of accounting for the two-component spectra observed for bursts GB790329 and GB790524, and the moving low-energy spectral cut-off in the burst of November 18, 1978.
Fenimore Edward E.
Kane Sharad R.
Klebesadel Ray W.
Laros John G.
Stockdale R. E.
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