Prospects for Detecting Galactic Sources of Cosmic Neutrinos with IceCube: An Update

Abstract

Air-Cherenkov telescopes have mapped the Galactic plane at TeV energies. Here we evaluate the prospects for detecting the neutrino emission from sources in the Galactic plane assuming that the highest energy photons originate from the decay of pions, which yields a straightforward prediction for the neutrino flux from the decay of the associated production of charged pions. Four promising sources are identified based on having a large flux and a flat spectrum. We subsequently evaluate the probability of their identification above the atmospheric neutrino background in IceCube data as a function of time. We show that observing them over the twenty-year lifetime of the instrumentation is likely, and that some should be observable at the $3\sigma$ level with six years of data. In the absence of positive results, we derive constraints on the spectral index and cut-off energy of the sources, assuming a hadronic acceleration mechanism.

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Cited by in corpus (18)

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• Detection prospects for high energy neutrino sources from the anisotropic matter distribution in the local universe
• Detecting High-Energy Neutrino Minibursts from Local Supernovae with Multiple Neutrino Observatories
• Neutrino Observations of LHAASO Sources: Present Constraints and Future Prospects
• Exploring the hadronic origin of LHAASO J1908+0621
• Constraints on Hadronic Contribution to LHAASO Sources with Neutrino Observations
• Identifying Galactic Sources of High-Energy Neutrinos
• Gamma rays and neutrinos from RX J1713.7-3946 in a lepto-hadronic scenario
• Search for galactic Pevatron candidates in a population of unidentified gamma-ray sources
• Detecting High-Energy Neutrinos from Galactic Supernovae with ATLAS
• Detecting the brightest HAWC sources with IceCube in the upcoming years
• Prospects for combined analyses of hadronic emission from $\gamma$-ray sources in the Milky Way with CTA and KM3NeT
• Multi-messenger Implications of Sub-PeV Diffuse Galactic Gamma-Ray Emission
• Searching for a Galactic component in the IceCube track-like neutrino events
• HAWC Study of the Ultra-High-Energy Spectrum of MGRO J1908+06
• The Ultra-High-Energy Source MGRO J1908+06