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The Density of Relic Neutrinos Near the Surface of Earth

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arxiv 2403.03152 v2 pith:DSKHSJTF submitted 2024-03-05 hep-ph astro-ph.CO

Andrei Gruzinov , Mehrdad Mirbabayi This is my paper · ORCID
classification hep-phastro-ph.CO
keywords densityearthextentnearneutrinosorderrelicsurface
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abstract

It has been claimed that matter effects cause an asymmetry in the density of relic neutrinos versus antineutrinos near the surface of Earth, of order $O(G_F^{1/2})\sim 10^{-4}$, with the vertical extent $\sim 10$m. We argue that the effect is of order $O(G_F)\sim 10^{-8}$, with the vertical extent $\sim 1$mm.

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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. Detection prospects for the Cosmic Neutrino Background using matter interferometers

    hep-ph 2025-11 conditional novelty 6.0 of 10

    The Cosmic Neutrino Background is predicted to induce phase shifts of ~1e-22 to 1e-14 rad in matter interferometers, far below current and near-future sensitivity.

  2. Probing Terrestrial Relic Neutrino Charge with Mach-Zehnder Interferometer

    hep-ph 2025-06 reject novelty 5.0 of 10

    A Mach-Zehnder interferometer with one vertical arm is proposed to probe relic neutrino charge, with claimed sensitivity down to epsilon_nu ~ 10^-22, but the signal calculation is flawed.

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