Unveiling Quantum Gravity: New Results From IceCube Neutrino Observatory and Fermi Space Telescope — Researchers have reached a |
, testing the hypothesis that some neutrinos and some gamma-ray bursts might have a common origin but are observed at different times as a result of the energy-dependent reduction in speed.
Illustration of The Fermi Gamma-ray Space Telescope. Credit: NASA/Fermi and Aurore Simonnet, Sonoma State University “By combining data from IceCube and Fermi, we found preliminary evidence supporting quantum gravity models that predict this effect. This marks a significant milestone in the field of quantum gravity research since it is the first time that such a level of quantum gravity-supportive statistical evidence is found,” says corresponding author, Professor Giovanni Amelino-Camelia of the University of Naples on behalf of the team.
“While these findings are preliminary, they provide a strong foundation for further detailed investigations as we continue to gather data from our gamma-ray and neutrino telescopes. Even if future data were not to confirm this effect, our findings would still provide stringent limits on the parameters of relevant models, which would already represent a rare and notable step for quantum gravity research,” adds Amelino-Camelia.
Reference: “Could quantum gravity slow down neutrinos?” by Giovanni Amelino-Camelia, Maria Grazia Di Luca, Giulia Gubitosi, Giacomo Rosati and Giacomo D’Amico, 12 June 2023,
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