English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

Results from the IceCube Neutrino Observatory have recently providedcompelling evidence for the existence of a high energy astrophysical neutrinoflux utilizing a dominantly Southern Hemisphere dataset consisting primarily ofnu_e and nu_tau charged current and neutral current (cascade) neutrinointeractions. In the analysis presented here, a data sample of approximately35,000 muon neutrinos from the Northern sky was extracted from data takenduring 659.5 days of livetime recorded between May 2010 and May 2012. Whilethis sample is composed primarily of neutrinos produced by cosmic rayinteractions in the Earth's atmosphere, the highest energy events areinconsistent with a hypothesis of solely terrestrial origin at 3.7 sigmasignificance. These neutrinos can, however, be explained by an astrophysicalflux per neutrino flavor at a level of Phi(E_nu) = 9.9^{+3.9}_{-3.4} times10^{-19} GeV^{-1} cm^{-2} sr^{-1} s^{-1} ({E_nu / 100 TeV})^{-2}, consistentwith IceCube's Southern Hemisphere dominated result. Additionally, a fit for anastrophysical flux with an arbitrary spectral index was performed. We find aspectral index of 2.2^{+0.2}_{-0.2}, which is also in good agreement with theSouthern Hemisphere result.

Evidence for Astrophysical Muon Neutrinos from the Northern Sky with IceCube