Bounds on Lorentz invariance violation from MAGIC observation of GRB 190114C

MAGIC collaboration,; Acciari,; et al.,

doi:10.1103/PhysRevLett.125.021301

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Bounds on Lorentz invariance violation from MAGIC observation of GRB 190114C

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MAGIC collaboration,
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

Acciari,
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

et al.,
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

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Citation

MAGIC collaboration, Acciari, & et al. (2020). Bounds on Lorentz invariance violation from MAGIC observation of GRB 190114C. Physical Review Letters, 125, 02301. doi:10.1103/PhysRevLett.125.021301.

Cite as: https://hdl.handle.net/21.11116/0000-0008-1B17-1

Abstract

On January 14, 2019, the Major Atmospheric Gamma Imaging Cherenkov telescopes detected GRB 190114C above 0.2 TeV, recording the most energetic photons ever observed from a gamma-ray burst. We use this unique observation to probe an energy dependence of the speed of light in vacuo for photons as predicted by several quantum gravity models. Based on a set of assumptions on the possible intrinsic spectral and temporal evolution, we obtain competitive lower limits on the quadratic leading order of speed of light modification.