A cosmological test for shock-powered GRBs

Details A cosmological test for shock-powered GRBs A cosmological test for shock-powered GRBs

Aug 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996aipc..384..797t&link_type=abstract

Gamma-ray bursts: 3rd Huntsville symposium. AIP Conference Proceedings, Volume 384, pp. 797-801 (1996).

Mathematics

Logic

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

Scientific paper

We calculate the pattern of correlated behavior expected in GRB shock models for νFν peak photon energies Ep and peak intensities Ip. The Ep-Ip correlation expected in synchrotron shock models of GRB emission with a changing magnetic field is qualitatively similar to the redshift-dimming effect induced by cosmology. However, we show that the cosmologically-driven and magnetically-driven mechanisms of GRB emission lead to quite distinct patterns of the Ep-Ip correlation. Future studies focussed on individual GRB pulses and their corresponding Ip and Ep may reveal the true nature of the apparent Ep-Ip correlation.

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