Spectral Diversities of Gamma-ray Bursts in High Energy Bands: Hints from Turbulent Cascade
Jirong Mao,
Liande Li,
Jiancheng Wang
Abstract:We statistically examine the gamma-ray burst (GRB) photon indices obtained by the Fermi-GBM and Fermi-LAT observations and compare the LAT GRB photon indices to the GBM GRB photon indices. We apply the jitter radiation to explain the GRB spectral diversities in the high-energy bands. In our model, the jitter radiative spectral index is determined by the spectral index of the turbulence. We classify GRBs into three classes depending on the shape of the GRB high-energy spectrum when we compare the GBM and LAT de… Show more
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