Perturbative charm production and the prompt atmospheric neutrino flux in light of RHIC and LHC

Abstract

We re-evaluate the prompt atmospheric neutrino flux, using the measured charm cross sections at RHIC and the Large Hadron Collider to constrain perturbative QCD parameters such as the factorization and renormalization scales, as well as modern parton distribution functions and recent estimates of the cosmic-ray spectra. We find that our result for the prompt neutrino flux is lower than previous perturbative QCD estimates and, consequently, alters the signal-to-background statistics of the recent IceCube measurements at high energies.

arXiv comment19 pages, 8 figures, Published version

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• Extracting the Energy-Dependent Neutrino-Nucleon Cross Section Above 10 TeV Using IceCube Showers
• Measurement of D-meson production at mid-rapidity in pp collisions at $\sqrt{\mathbf{s}}=7$ TeV
• Measurements using the inelasticity distribution of multi-TeV neutrino interactions in IceCube
• Neutrino Telescopes as QCD Microscopes
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• D-meson production in p-Pb collisions at $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV and in pp collisions at $\sqrt{s}=7$ TeV
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• Lepton fluxes from atmospheric charm revisited
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• Searching for eV-scale sterile neutrinos with eight years of atmospheric neutrinos at the IceCube neutrino telescope
• Decaying Leptophilic Dark Matter at IceCube
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• The gluon and charm content of the deuteron
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