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What KM3-230213A events may tell us about the neutrino mass and dark matter

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arxiv 2504.01447 v2 pith:YBVP654L submitted 2025-04-02 hep-ph astro-ph.COastro-ph.HE

What KM3-230213A events may tell us about the neutrino mass and dark matter

classification hep-ph astro-ph.COastro-ph.HE
keywords darkmassmatterneutrinoscenarioabundanceastronomyconsidering
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Within the framework of general $U(1)$ scenario, we demonstrate that the ultra high energy neutrinos recently detected by KM3NeT could originate from a decaying right handed neutrino dark matter (DM), with a mass of 440 PeV. Considering DM production via freeze-in, we delineate the parameter space that satisfies the observed relic abundance and also lies within the reach of multiple gravitational wave detectors. Our study provides a testable new physics scenario, enabled by multi-messenger astronomy.

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Cited by 1 Pith paper

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  1. Testing Heavy Dark Matter Decay as the Origin of KM3-230213A

    hep-ex 2026-06 unverdicted novelty 4.0

    Assuming the KM3-230213A event comes from heavy dark matter decay, the preferred mass exceeds 100 PeV at 95% CL with lifetimes of 10^26-10^27 s, but these regions conflict with bounds from other neutrino telescopes an...