Astrophysics Uniquely Enabled by Observations of High-Energy Cosmic Neutrinos

Abstract

High-energy cosmic neutrinos carry unique information about the most energetic non-thermal sources in the Universe. This white paper describes the outstanding astrophysics questions that neutrino astronomy can address in the coming decade. A companion white paper discusses how the observation of cosmic neutrinos can address open questions in fundamental physics. Detailed measurements of the diffuse neutrino flux, measurements of neutrinos from point sources, and multi-messenger observations with neutrinos will enable the discovery and characterization of the most energetic sources in the Universe.

arXiv commentWhite paper for the Astro2020 US decadal survey. Companion paper: "Fundamental Physics with High-Energy Cosmic Neutrinos" (1903.04333). Corresponding Authors: Markus Ahlers, Albrecht Karle, Kohta Murase, Anna Nelles, Andres Romero-Wolf, Abigail Vieregg

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Cited by in corpus (20)

• Grand Unified Neutrino Spectrum at Earth: Sources and Spectral Components
• POEMMA's Target of Opportunity Sensitivity to Cosmic Neutrino Transient Sources
• New constraints on the origin of medium-energy neutrinos observed by IceCube
• The signatures of secondary leptons in radio-neutrino detectors in ice
• Modeling of the Tau and Muon Neutrino-induced Optical Cherenkov Signals from Upward-moving Extensive Air Showers
• Prospects for High-Elevation Radio Detection of >100 PeV Tau Neutrinos
• An Andean Deep-Valley Detector for High-Energy Tau Neutrinos
• Neutrino vertex reconstruction with in-ice radio detectors using surface reflections and implications for the neutrino energy resolution
• Deep-learning-based reconstruction of the neutrino direction and energy for in-ice radio detectors
• Can astrophysical neutrinos trace the origin of the detected ultra-high energy cosmic rays?
• Impact of biaxial birefringence in polar ice at radio frequencies on signal polarizations in ultra-high energy neutrino detection
• Improving sensitivity of the ARIANNA detector by rejecting thermal noise with deep learning
• Near-future discovery of point sources of ultra-high-energy neutrinos
• POEMMA (Probe of Extreme Multi-Messenger Astrophysics) design
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• Multi-messenger High-Energy Signatures of Decaying Dark Matter and the Effect of Background Light
• In-ice Askaryan Emission from Air Showers: Implications for Radio Neutrino Detectors
• Simulation study for an in-situ calibration system for the measurement of the snow accumulation and the index-of-refraction profile for radio neutrino detectors
• Trinity: An Air-Shower Imaging Instrument to detect Ultrahigh Energy Neutrinos
• Current constraints from cosmogenic neutrinos on the fraction of protons in UHECRs