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Jun 13, 2023

Unveiling Quantum Gravity: New Results From IceCube Neutrino Observatory and Fermi Space Telescope

Posted by in categories: particle physics, quantum physics, space

Researchers have reached a significant milestone in the field of quantum gravity research, finding preliminary statistical support for quantum gravity.

In a study published in Nature Astronomy on June 12, a team of researchers from the University of Naples “Federico II,” the University of Wroclaw, and the University of Bergen examined a quantum-gravity model of particle propagation in which the speed of ultrarelativistic particles decreases with rising energy. This effect is expected to be extremely small, proportional to the ratio between particle energy and the Planck scale, but when observing very distant astrophysical sources, it can accumulate to observable levels. The investigation used gamma-ray bursts observed by the Fermi telescope and ultra-high-energy neutrinos detected by the IceCube Neutrino Observatory, 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.

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