Measurement of the ν_μ energy spectrum with IceCube-79

Show simple item record IceCube Collaboration Pepper, J.A. Toale, P.A. Williams, D.R. 2022-08-02T15:11:23Z 2022-08-02T15:11:23Z 2017
dc.identifier.citation Aartsen, M. G., Ackermann, M., Adams, J., Aguilar, J. A., Ahlers, M., Ahrens, M., Al Samarai, I., Altmann, D., Andeen, K., Anderson, T., Ansseau, I., Anton, G., Archinger, M., Argüelles, C., Auffenberg, J., Axani, S., Bagherpour, H., Bai, X., Barwick, S. W., … Zoll, M. (2017). Measurement of the $\nu _{\mu }$ ν μ energy spectrum with IceCube-79. In The European Physical Journal C (Vol. 77, Issue 10). Springer Science and Business Media LLC. en_US
dc.description.abstract IceCube is a neutrino observatory deployed in the glacial ice at the geographic South Pole. The \({\nu }_{\mu }\) energy unfolding described in this paper is based on data taken with IceCube in its 79-string configuration. A sample of muon neutrino charged-current interactions with a purity of 99.5% was selected by means of a multivariate classification process based on machine learning. The subsequent unfolding was performed using the software Truee. The resulting spectrum covers an E \({}_{\nu }\) -range of more than four orders of magnitude from 125 GeV to 3.2 PeV. Compared to the Honda atmospheric neutrino flux model, the energy spectrum shows an excess of more than \(1.9\phantom{\rule{0.166667em}{0ex}}\sigma \) in four adjacent bins for neutrino energies \({E}_{\nu }\ge 177.8\phantom{\rule{0.166667em}{0ex}}\text{TeV}\). The obtained spectrum is fully compatible with previous measurements of the atmospheric neutrino flux and recent IceCube measurements of a flux of high-energy astrophysical neutrinos. en_US
dc.format.mimetype application/pdf
dc.language English
dc.subject Physics en_US
dc.title Measurement of the ν_μ energy spectrum with IceCube-79 en_US
dc.type text

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