High energy neutrinos from charm in astrophysical sources

Abstract

Charm production gives rise to a flux of very high energy neutrinos from astrophysical sources with jets driven by central engines, such as gamma ray bursts or supernovae with jets. The neutrino flux from semi-leptonic decays of charmed mesons is subject to much less hadronic and radiative cooling than the conventional flux from pion and kaon decays and therefore has a dominant contribution at higher energies, of relevance to future ultrahigh energy neutrino experiments.

6 pages, 4 figures. Modified results to account for maximum proton energies, paper somewhat extended, several points clarified. Version to appear in Phys. Rev. D

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• An Analysis of Cosmic Neutrinos: Flavor Composition at Source and Neutrino Mixing Parameters
• Interplay of energy dependent astrophysical neutrino flavor ratios and new physics effects
• Flavor conversion of cosmic neutrinos from hidden jets
• Neutrinos and Cosmic Rays Observed by IceCube
• Neutrino Emission in Jet Propagation Process
• Charm decay in slow-jet supernovae as the origin of the IceCube ultra-high energy neutrino events
• TeV-PeV Neutrino Oscillation of Low-luminosity Gamma-ray Bursts
• Charm contribution to ultrahigh-energy neutrinos from newborn magnetars
• Prospects for extending the core-collapse supernova detection horizon using high-energy neutrinos
• Atmospheric neutrinos in the context of muon and neutrino radiography
• On the non-detection of Glashow resonance in IceCube
• Signature of Collapsars as Sources for High-energy Neutrinos and $r$-process Nuclei
• Two-detector flavor sensitivity to ultra-high-energy cosmic neutrinos
• Blazar origin of some IceCube events
• The Role and Detectability of the Charm Contribution to Ultra High Energy Neutrino Fluxes
• Energy-dependent flavour ratios in neutrino telescopes from charm
• Effects of Annihilation with Low-Energy Neutrinos on High-Energy Neutrinos from Binary Neutron Star Mergers and Rare Core-Collapse Supernovae
• IceCube and Searches for Astrophysical Sources
• Spread Complexity of High Energy Neutrino Propagation over Astrophysical Distances
• Why not any tau double bang in Icecube, yet?