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Fundamental Physics with High-Energy Cosmic Neutrinos

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arxiv 1903.04333 v2 pith:AR6MGLQC submitted 2019-03-11 astro-ph.HE astro-ph.COhep-ph

Fundamental Physics with High-Energy Cosmic Neutrinos

classification astro-ph.HE astro-ph.COhep-ph
keywords cosmicneutrinoshigh-energyfundamentalphysicsaddressenergyquestions
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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High-energy cosmic neutrinos can reveal new fundamental particles and interactions, probing energy and distance scales far exceeding those accessible in the laboratory. This white paper describes the outstanding particle physics questions that high-energy cosmic neutrinos can address in the coming decade. A companion white paper discusses how the observation of cosmic neutrinos can address open questions in astrophysics. Tests of fundamental physics using high-energy cosmic neutrinos will be enabled by detailed measurements of their energy spectrum, arrival directions, flavor composition, and timing.

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Cited by 6 Pith papers

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

  1. Visible inelasticity as a probe of tau flavor content of astrophysical neutrinos

    hep-ph 2026-05 unverdicted novelty 7.0

    Visible inelasticity in starting tracks can statistically separate tau and muon neutrino events, yielding competitive sensitivity to the tau-to-muon flux ratio with current IceCube exposures.

  2. Are neutrinos Majorana? Fixed-target and high-energy astrophysical searches decide

    hep-ph 2026-06 unverdicted novelty 6.0

    Correlated HNL discovery at SHiP and flavor ratio shifts in astrophysical neutrinos at telescopes would establish neutrinos as Majorana fermions.

  3. Astrophysical bounds on the high-energy evolution of neutrino mixing

    hep-ph 2026-04 unverdicted novelty 5.0

    High-energy astrophysical neutrinos can constrain the running of neutrino mixing parameters with energy, with future multi-detector setups forecast to set strong bounds despite astrophysical uncertainties.

  4. Trinity: An Air-Shower Imaging Instrument to detect Ultrahigh Energy Neutrinos

    astro-ph.IM 2019-07 unverdicted novelty 5.0

    Proposes the Trinity air-shower imaging system for detecting ultrahigh energy tau neutrinos between 10^7 and 10^10 GeV to address IceCube neutrino sources, UHECR origins, and high-energy neutrino physics.

  5. Development of a Cherenkov Telescope for the Detection of Ultrahigh Energy Neutrinos with EUSO-SPB2 and POEMMA

    astro-ph.IM 2019-07 unverdicted novelty 4.0

    Design and component qualification for a silicon-photomultiplier Cherenkov telescope intended for tau-neutrino detection via the Earth-skimming technique on EUSO-SPB2 and POEMMA.

  6. Fundamental physics with high-energy cosmic neutrinos today and in the future

    astro-ph.HE 2019-07 unverdicted novelty 2.0

    High-energy astrophysical neutrinos enable stringent tests of physics beyond the Standard Model at energies and baselines unreachable by other means.