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Astrophysics > High Energy Astrophysical Phenomena

arXiv:1606.04489 (astro-ph)
[Submitted on 14 Jun 2016]

Title:Expectations for high energy diffuse galactic neutrinos for different cosmic ray distributions

Authors:G. Pagliaroli, C. Evoli, F.L. Villante
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Abstract:The interaction of cosmic rays with the gas contained in our Galaxy is a guaranteed source of diffuse high energy neutrinos. We provide expectations for this component by considering different assumptions for the cosmic ray distribution in the Galaxy which are intended to cover the large uncertainty in cosmic ray propagation models. We calculate the angular dependence of the diffuse galactic neutrino flux and the corresponding rate of High Energy Starting Events in IceCube by including the effect of detector angular resolution. Moreover we discuss the possibility to discriminate the galactic component from an isotropic astrophysical flux. We show that a statistically significant excess of events from the galactic plane in present IceCube data would favour models in which the cosmic ray density in the inner galactic region is much larger than its local value, thus bringing relevant information on the cosmic ray radial distribution.
Comments: 7 pages, 3 figures
Subjects: High Energy Astrophysical Phenomena (astro-ph.HE); High Energy Physics - Phenomenology (hep-ph)
Cite as: arXiv:1606.04489 [astro-ph.HE]
  (or arXiv:1606.04489v1 [astro-ph.HE] for this version)
  https://doi.org/10.48550/arXiv.1606.04489
Related DOI: https://doi.org/10.1088/1475-7516/2016/11/004

Submission history

From: Francesco Villante L [view email]
[v1] Tue, 14 Jun 2016 18:24:30 UTC (2,565 KB)
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