Combined constraints on the diffuse flux of cosmic neutrinos between 10 16 eV and 10 26 eV

arXiv:2609.36632 · astro-ph.HE · Submitted 2026-09-29 · Read on arXiv

astro-ph.HE

Submitted: 2026-09-29

Updated: 2026-09-29

Comments: 29 pages, 7 figures, Natural Science Review (https://nsr.jinr.int) style. Ancillary files contain data tables

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Aperture — 20× in this paper · explained in 1 episode
• Benchmark — 15× in this paper · explained in 2 episodes
• Robustness — 7× in this paper · explained in 5 episodes
• Payload for Ultrahigh Energy Observations — 3× in this paper
• Topological Defects — 3× in this paper · explained in 2 episodes
• alpha — 3× in this paper · explained in 1 episode
• Accuracy — 2× in this paper · explained in 1 episode
• Anisotropy — 1× in this paper · explained in 3 episodes
• Giant Radio Array for Neutrino Detection — 1× in this paper
• Hybrid Elevated Radio Observatory for Neutrinos — 1× in this paper
• Trace — 1× in this paper · explained in 2 episodes

Sources

• Evidence for High-Energy Extraterrestrial Neutrinos at the IceCube Detector
• Improved Characterization of the Astrophysical Muon-Neutrino Flux with 9.5 Years of IceCube Data
• Diffuse neutrino flux measurements with the Baikal-GVD neutrino telescope
• Measurement of the diffuse astrophysical neutrino flux over six seasons using cascade events from the Baikal-GVD expanding telescope
• Constraining the sources of ultra-high-energy cosmic rays across and above the ankle with the spectrum and composition data measured at the Pierre Auger Observatory
• Ultra-high energy event KM3-230213A as a cosmogenic neutrino in light of minimal UHECR flux models
• Implications of a Cosmogenic Origin of KM3-230213A for Ultra-High-Energy Protons
• Ultra-High Energy Cosmic Rays, Superheavy Long-Living Particles, and Matter Creation after Inflation
• Testing Heavy Dark Matter Decay as the Origin of KM3-230213A
• Cosmic Necklaces and Ultrahigh Energy Cosmic Rays
• Extremely High Energy Neutrinos from Cosmic Strings
• Ultra-High Energy Neutrino Fluxes and Their Constraints
• Ultra-High Energy Neutrino Fluxes: New Constraints and Implications
• Observational strategies for ultrahigh-energy neutrinos: the importance of deep sensitivity for detection and astronomy
• High-Energy and Ultra-High-Energy Neutrinos
• Near-future discovery of the diffuse flux of ultra-high-energy cosmic neutrinos
• Exploring ultra-high energy neutrino experiments through the lens of the transport equation
• The ultra-high-energy event KM3-230213A within the global neutrino landscape
• Constraints on the diffuse flux of multi-PeV astrophysical neutrinos obtained with the Baikal Gigaton Volume Detector
• Search for Extremely-High-Energy Neutrinos and First Constraints on the Ultrahigh-Energy Cosmic-Ray Proton Fraction with IceCube

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