HEP Phenomenology2026-07-113 minarXiv:2607.10404Ghostly Duet: Neutrino Decay of a Superluminal PhotonIn 2021, the LHAASO observatory registered gamma quanta with energies above a petaelectronvolt from sources like the Crab Nebula — a supernova remnant with a pulsating neutron star at its heart.Zurab Kepuladzeprinciple of constancy of the speed of lightAlan GuthAlbert EinsteinEdward Wittendark photonneutrinoGamma radiationphotonLorentz Invariance Violation👍👎☆SimplePopularAdvanced