Internal shock models for gamma-ray bursts: Temporal and spectral properties

Details Internal shock models for gamma-ray bursts: Temporal and spectral properties Internal shock models for gamma-ray bursts: Temporal and spectral properties

May 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998aipc..428..667m&link_type=abstract

Fourth Huntsville gamma-ray burst symposium. AIP Conference Proceedings, Volume 428, pp. 667-671 (1998).

Computer Science

3

Gamma-Ray Sources, Gamma-Ray Bursts, Radiation Mechanisms, Polarization

Scientific paper

We follow the evolution of a relativistic wind when the initial distribution of the Lorentz factor is highly non-uniform. We use an approach where the wind is modelled by a large number of layers which can collide and form internal shocks. We suppose that the magnetic field and the electron Lorentz factor reach equipartition values in these shocks. Synchrotron photons emitted by the relativistic electrons have typical energies in the gamma-ray range in the observer frame. Synthetic bursts are constructed as the sum of the contributions from many elementary internal shocks and their temporal and spectral properties are compared to the observations.

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