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Light curves of BSM-induced neutrino echoes in the optically-thin limit

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arxiv 2204.08924 v3 pith:CUOYP5VO submitted 2022-04-19 hep-ph astro-ph.HE

classification hep-phastro-ph.HE
keywords neutrinoscatteringcurvesechoesformulasinteractionlightneutrinos
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High-energy neutrinos from astrophysical transients serve as a probe of neutrino physics beyond the Standard Model. In particular, nonstandard interaction of neutrinos with the cosmic neutrino background or dark matter (DM) may have imprints on not only their spectra but also the arrival and time-delay distributions. Assuming that the interaction occurs at most once during the neutrino propagation, we provide general analytic formulas for light curves of the neutrino echoes induced by BSM. The formulas can be used for constraining neutrino-neutrino scattering, neutrino-DM scattering, and other scattering processes experienced by relativistic particles.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Neutrino Diffusion within Dark Matter Spikes

    hep-ph 2024-12 conditional novelty 6.0 of 10

    Neutrinos diffusing through dense dark matter spikes around supermassive black holes can be delayed by days, but the accompanying flux suppression means dark matter alone probably cannot explain the observed 100+ day ...

  2. Road through Dark$\nu$ess: Probing dark matter-neutrino interactions using KM3-230213A

    hep-ph 2025-06 conditional novelty 4.0 of 10

    Using the 220 PeV event KM3-230213A, the authors set the highest-energy constraints to date on dark matter-neutrino scattering, and for energy-dependent cross sections they report some of the strongest existing limits.

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