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Title: Development of a general analysis and unfolding scheme and its application to measure the energy spectrum of atmospheric neutrinos with IceCube: IceCube Collaboration

Journal Article · · European Physical Journal. C, Particles and Fields
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Here we present the development and application of a generic analysis scheme for the measurement of neutrino spectra with the IceCube detector. This scheme is based on regularized unfolding, preceded by an event selection which uses a Minimum Redundancy Maximum Relevance algorithm to select the relevant variables and a random forest for the classification of events. The analysis has been developed using IceCube data from the 59-string configuration of the detector. 27,771 neutrino candidates were detected in 346 days of livetime. A rejection of 99.9999 % of the atmospheric muon background is achieved. The energy spectrum of the atmospheric neutrino flux is obtained using the TRUEE unfolding program. The unfolded spectrum of atmospheric muon neutrinos covers an energy range from 100 GeV to 1 PeV. Compared to the previous measurement using the detector in the 40-string configuration, the analysis presented here, extends the upper end of the atmospheric neutrino spectrum by more than a factor of two, reaching an energy region that has not been previously accessed by spectral measurements.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Contributing Organization:
IceCube Collaboration
Grant/Contract Number:
AC02-05CH11231
OSTI ID:
1407309
Journal Information:
European Physical Journal. C, Particles and Fields, Vol. 75, Issue 3; ISSN 1434-6044
Publisher:
SpringerCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 28 works
Citation information provided by
Web of Science

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Cited By (6)

Non-standard interactions with high-energy atmospheric neutrinos at IceCube journal January 2017
Measurement of the Atmospheric ν e Spectrum with IceCube journal June 2015
Measurement of the $$\nu _{\mu }$$ ν μ energy spectrum with IceCube-79: IceCube Collaboration journal October 2017
Non-Standard Interactions with High-energy Atmospheric Neutrinos at IceCube
  • Rius, Nuria; Salvado, Jordi; Mena, Olga
  • Proceedings of The 19th International Workshop on Neutrinos from Accelerators NUFACT2017 — PoS(NuFact2017) https://doi.org/10.22323/1.295.0132
conference June 2018
Determining neutrino oscillation parameters from atmospheric muon neutrino disappearance with three years of IceCube DeepCore data text January 2014
Galactic Neutrinos in the TeV to PeV Range text January 2015

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