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Astrophysics > High Energy Astrophysical Phenomena

arXiv:2108.04965 (astro-ph)
[Submitted on 10 Aug 2021]

Title:Measuring the Neutrino Cross Section Using 8 years of Upgoing Muon Neutrinos Observed with IceCube

Authors:S. Robertson (for the IceCube Collaboration)
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Abstract:The IceCube Neutrino Observatory detects neutrinos at energies orders of magnitude higher than those available to current accelerators. Above 40 TeV, neutrinos traveling through the Earth will be absorbed as they interact via charged current interactions with nuclei, creating a deficit of Earth-crossing neutrinos detected at IceCube. The previous published results showed the cross section to be consistent with Standard Model predictions for 1 year of IceCube data. We present a new analysis that uses 8 years of IceCube data to fit the $\nu_\mu$ absorption in the Earth, with statistics an order of magnitude better than previous analyses, and with an improved treatment of systematic uncertainties. It will measure the cross section in three energy bins that span the range 1 TeV to 100 PeV. We will present Monte Carlo studies that demonstrate its sensitivity.
Comments: Presented at the 37th International Cosmic Ray Conference (ICRC 2021). See arXiv:2107.06966 for all IceCube contributions
Subjects: High Energy Astrophysical Phenomena (astro-ph.HE); High Energy Physics - Experiment (hep-ex)
Report number: PoS-ICRC2021-1158
Cite as: arXiv:2108.04965 [astro-ph.HE]
  (or arXiv:2108.04965v1 [astro-ph.HE] for this version)
  https://doi.org/10.48550/arXiv.2108.04965

Submission history

From: Sally Robertson [view email]
[v1] Tue, 10 Aug 2021 23:32:12 UTC (2,573 KB)
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