Muons in IceCube
P. Berghaus (for the IceCube Collaboration)
TL;DR
This paper demonstrates that IceCube can directly measure atmospheric muon spectra above 100 TeV, providing insights into cosmic ray composition and prompt decay contributions in high-energy air showers.
Contribution
It shows the feasibility of measuring high-energy atmospheric muon spectra with existing IceCube data, enhancing understanding of cosmic ray interactions.
Findings
Feasibility of measuring muon spectra above 100 TeV using IceCube data
Insights into primary cosmic ray composition around the knee
Assessment of prompt decay contributions from charmed hadrons
Abstract
The IceCube detector allows for the first time a measurement of atmospheric muon and neutrino energy spectra from tens of GeV up to the PeV range. The lepton flux in the highest energy region depends on both the primary cosmic ray composition around the "knee" and the contribution from prompt decays of mostly charmed hadrons produced in air showers. It is demonstrated here that a direct measurement of the atmospheric muon spectrum in the region above 100 TeV is feasible using data that is already available.
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