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hep-ph2026
Constraints on birefringence-free photon theory within standard-model extension
Zhi Xiao, Hanlin Song, Bo-Qiang Ma
Constraints on the birefringence-free subset of Lorentz-violating (LV) operators are derived using 14 GRB photons in the GeV-band. These constraints target the isotropic $c_{(I)00}…
hep-ph2025★ 5 cited
Monte Carlo simulation of GRB data to test Lorentz-invariance violation
Hanlin Song, Bo-Qiang Ma
Lorentz-invariance violation (LV) at energy scales approaching the Planck regime serves as a critical probe for understanding quantum gravity phenomenology. Astrophysical observati…