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Determination of absolute neutrino masses from Z-bursts

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arxiv hep-ph/0105064 v2 pith:2U3RLGVM submitted 2001-05-07 hep-ph astro-phhep-ex

Z. Fodor , S.D. Katz , A. Ringwald This is my paper · ORCID
classification hep-phastro-phhep-ex
keywords spectrumenergyneutrinosoriginproducinguhecrultrahighabsolute
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Ultrahigh energy neutrinos (UHE\nu) scatter on relic neutrinos (R\nu) producing Z bosons, which can decay hadronically producing protons (Z-burst). We compare the predicted proton spectrum with the observed ultrahigh energy cosmic ray (UHECR) spectrum and determine the mass of the heaviest R\nu via a maximum likelihood analysis. Our prediction depends on the origin of the power-like part of the UHECR spectrum: m_\nu=2.75^{+1.28}_{-0.97} eV for Galactic halo and 0.26^{+0.20}_{-0.14} eV for extragalactic (EG) origin. The necessary UHE\nu flux should be detected in the near future.

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  1. Zee-Burst: A New Probe of Neutrino Non-Standard Interactions at IceCube

    hep-ph 2019-08 conditional novelty 6.0 of 10

    Light charged scalars in the Zee model would produce a Glashow-like resonance peak in IceCube's PeV neutrino spectrum, providing a complementary probe of neutrino non-standard interactions.

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