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Statistical classification of gamma-ray bursts based on the Amati relation

Statistical classification of gamma-ray bursts based on the Amati relation

Gamma-ray bursts (GRBs) are believed to belong to two classes and they are conventionally divided according to their durations. This classification scheme is not satisfied due to the fact that duration distributions of the two classes are heavily overlapped. We collect a new sample (153 sources) of GRBs and investigate …