Association of 220 PeV Neutrino KM3-230213A with Gamma-Ray Bursts

Abstract

Recently, the KM3NeT Collaboration announced the detection of a 220 PeV neutrino from the celestial coordinates RA=94.3\degree~ and Dec=-7.8\degree~ on 13 February 2023 at 01:16:47 UTC \cite{KM3NeT:2025npi}. The source for this extra-ordinary cosmic neutrino, designated KM3-230213A, is not identified yet but there has been speculation that it might be associated with a gamma-ray burst GRB~090401B \cite{Amelino-Camelia:2025lqn}. The purpose of this report is to search the association of this 220 PeV neutrino with potential GRB sources from a more general consideration of Lorentz invariance violation (LV) without predefined LV scale. We try to associate this extra-ordinary neutrino with potential GRBs within angular separation of 1\degree, 3\degree~ and 5\degree~ respectively and the results are listed in Table 1. We find the constraints $E_{\mathrm{LV}}\le 5.3\times 10^{18}$~GeV for subluminal LV violation and $E_{\mathrm{LV}}\le 5.6\times 10^{19}$~GeV for superluminal LV violation if KM3-230213A is a GRB neutrino.

4 latex pages, 1 table, no figure

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Cited by in corpus (1)

• Probes for String-Inspired Foam, Lorentz, and CPT Violations in Astrophysics