Fitting function for GRB MeV spectra

The physical origin of the gamma-ray burst (GRB) prompt emission is still a subject of debate. Internal shock models have been widely explored, owing to their ability to explain...伽马射线暴（Gamma-Ray Burst, GRB）瞬时辐射的物理起源至今仍是学界争论的焦点。内激波模型因其能够解释相关现象的能力，已得到广泛的研究。