Short and canonical GRBs
Carlo Luciano Bianco, Maria Grazia Bernardini, Letizia Caito, Maria, Giovanna Dainotti, Roberto Guida, Remo Ruffini
TL;DR
This paper introduces a 'canonical GRB' model within the fireshell framework, describing two main emission components and distinguishing genuine from fake short gamma-ray bursts.
Contribution
It presents a new canonical light curve model for GRBs, emphasizing the separation of emission phases and the classification of short GRBs.
Findings
Defined the Proper-GRB and afterglow components
Outlined criteria to distinguish genuine and fake short GRBs
Proposed a unified scenario for GRB emission phases
Abstract
Within the "fireshell" model for the Gamma-Ray Bursts (GRBs) we define a "canonical GRB" light curve with two sharply different components: the Proper-GRB (P-GRB), emitted when the optically thick fireshell of electron-positron plasma originating the phenomenon reaches transparency, and the afterglow, emitted due to the collision between the remaining optically thin fireshell and the CircumBurst Medium (CBM). We outline our "canonical GRB" scenario, with a special emphasis on the discrimination between "genuine" and "fake" short GRBs.
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