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  • Bounds on Lorentz Invarianc...
    Acciari, V. A.; Ansoldi, S.; Baack, D.; Barres de Almeida, U.; Barrio, J. A.; Becerra González, J.; Bednarek, W.; Bernardini, E.; Berti, A.; Bhattacharyya, W.; Bigongiari, C.; Biland, A.; Blanch, O.; Bonnoli, G.; Bošnjak, Ž.; Busetto, G.; Ceribella, G.; Chilingarian, A.; Colak, S. M.; Colombo, E.; Contreras, J. L.; Cortina, J.; Covino, S.; D’Amico, G.; De Lotto, B.; Delfino, M.; Depaoli, D.; Di Pierro, F.; Di Venere, L.; Do Souto Espiñeira, E.; Dominis Prester, D.; Donini, A.; Fattorini, A.; Ferrara, G.; Foffano, L.; Fonseca, M. V.; Garczarczyk, M.; Gaug, M.; Gliwny, P.; Green, D.; Hadasch, D.; Hahn, A.; Hoang, J.; Hrupec, D.; Hütten, M.; Inoue, S.; Ishio, K.; Iwamura, Y.; Jouvin, L.; Kerszberg, D.; Kobayashi, Y.; Kubo, H.; Lombardi, S.; Longo, F.; López, M.; López-Coto, R.; Machado de Oliveira Fraga, B.; Makariev, M.; Maneva, G.; Mannheim, K.; Maraschi, L.; Mariotti, M.; Mazin, D.; Mender, S.; Minev, M.; Mirzoyan, R.; Moretti, E.; Munar-Adrover, P.; Nishijima, K.; Nogués, L.; Ohtani, Y.; Otero-Santos, J.; Paneque, D.; Paoletti, R.; Pavletić, L.; Peresano, M.; Prada Moroni, P. G.; Prandini, E.; Puljak, I.; Rhode, W.; Rico, J.; Righi, C.; Saha, L.; Satalecka, K.; Schleicher, B.; Schweizer, T.; Sitarek, J.; Šnidarić, I.; Spolon, A.; Surić, T.; Tavecchio, F.; Teshima, M.; Torres-Albà, N.; van Scherpenberg, J.; Vazquez Acosta, M.; Verguilov, V.; Vitale, V.; Vovk, I.; Will, M.; Nava, L.

    Physical review letters, 07/2020, Volume: 125, Issue: 2
    Journal Article

    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.