DAEMONFLUX: DAta-drivEn MuOn-calibrated atmospheric Neutrino Flux

Abstract

In this paper, we present a refined calculation of the atmospheric neutrino flux spanning from GeV to PeV energies. Our method, Daemonflux, utilizes data-driven inputs and incorporates adjustable parameters to take their uncertainties into account. By optimizing these parameters using a combination of muon data and constraints from fixed-target experiments, we achieve uncertainties in the calculated neutrino fluxes of less than 10% up to 1 TeV, with neutrino ratios constrained to below 10%. Our model performs particularly well at energies below 100 GeV, where the smallest errors are obtained. We make our model available as a software package that provides access to predictions of fluxes, ratios, and errors, including the covariance matrix obtained from the fit.

21 pages, 23 figures

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Cited by in corpus (13)

• Search for Extremely-High-Energy Neutrinos and First Constraints on the Ultrahigh-Energy Cosmic-Ray Proton Fraction with IceCube
• A search for an eV-scale sterile neutrino using improved high-energy ${\nu }_{\mu }$ event reconstruction in IceCube
• Evidence for a Spectral Break or Curvature in the Spectrum of Astrophysical Neutrinos from 5 TeV--10 PeV
• Sibyll${}^{★}$
• Improved measurements of the TeV-PeV extragalactic neutrino spectrum from joint analyses of IceCube tracks and cascades
• Cosmic Ray Muons in Laboratories Deep Underground
• Methods and stability tests associated with the sterile neutrino search using improved high-energy ${\nu }_{\mu }$ event reconstruction in IceCube
• Constraints on non-unitary neutrino mixing in light of atmospheric and reactor neutrino data
• Beyond first light: Global monitoring for high-energy neutrino astronomy
• Measurement of the mean number of muons with energies above 500 GeV in air showers detected with the IceCube Neutrino Observatory
• Cosmogenic Muon Background Characterization for the Colorado Underground Research Institute (CURIE)
• Seasonal Variations of the Atmospheric Muon Neutrino Spectrum measured with IceCube
• Measurement of the inelasticity distribution of neutrino-nucleon interactions for $80\mathbf{GeV}<{\mathbf{E}}_{\nu }<560\mathbf{GeV}$ with IceCube DeepCore