3 papers
astro-ph.HE2026
Extreme-Value Distribution Analysis of the Second CHIME/FRB Catalog: Assessing the Rarity of the One-off FRB 20250316A
Wen-Long Zhang, Jun-Jie Wei
We present a statistical analysis of the extremely bright, apparently non-repeating fast radio burst FRB 20250316A, detected by the Canadian Hydrogen Intensity Mapping Experiment (…
astro-ph.HE2025
Hierarchical Test of Lorentz Invariance with Gamma-Ray Burst Spectral-Lag Measurements
Shen-Shi Du, Yi Gong, Jun-Jie Wei +4
Gamma-ray bursts (GRBs) are among the most potent probes of Lorentz invariance violation (LIV), offering direct constraints on the quantum gravity energy scale () based…
astro-ph.CO2025
Measuring the Time Variation of the Fine-structure Constant with Quasars Detected by LAMOST
Jin-Nan Wei, Rui-Jie Chen, Jun-Jie Wei +2
The [O III] emission lines in the optical spectra of galaxies and quasars have been widely used to investigate the possible variation of the fine-structure constan…