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Amelino-Camelia, Giovanni; D’Amico, Giacomo; Fiore, Fabrizio; Puccetti, Simonetta; Ronco, Michele
Symmetry (Basel), 04/2021, Volume: 13, Issue: 4Journal Article
Some recent studies exposed preliminary but rather intriguing statistical evidence of in vacuo dispersion-like spectral lags for gamma-ray bursts (GRBs), a linear correlation between time of observation and energy of GRB particles, which is expected in some models of quantum geometry. Those results focused on testing in vacuo dispersion for the most energetic GRB particles, and in particular only included photons with energy at emission greater than 40 GeV. We here extend the window of the statistical analysis down to 5 GeV and find results that are consistent with what had been previously noticed at higher energies.
