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A Comprehensive Study of Gamma-Ray Burst Optical Emission: II. Afterglow Onset and Late Re-Brightening Components
En-Wei Liang, Liang Li, He Gao +12
We continue our systematic statistical study of various components in gamma-ray burst (GRB) optical lightcurves. We decompose the early onset bump and the late re-brightening bump…
Radial Angular Momentum Transfer and Magnetic Barrier for Short-Type Gamma-Ray Burst Central Engine Activity
Tong Liu, En-Wei Liang, Wei-Min Gu +5
Soft extended emission (EE) following initial hard spikes up to 100 seconds was observed with {\em Swift}/BAT for about half of short-type gamma-ray bursts (SGRBs). This challenges…
Probing Pre-galactic Metal Enrichment with High-Redshift Gamma-Ray Bursts
F. Y. Wang, Volker Bromm, Thomas H. Greif +4
We explore high-redshift gamma-ray bursts (GRBs) as promising tools to probe pre-galactic metal enrichment. We utilize the bright afterglow of a Pop III GRB exploding in a primordi…
IceCube Non-detection of GRBs: Constraints on the Fireball Properties
Hao-Ning He, Ruo-Yu Liu, Xiang-Yu Wang +3
The increasingly deep limit on the neutrino emission from gamma-ray bursts (GRBs) with IceCube observations has reached the level that could put useful constraints on the fireball…