Atmospheric stau production from squark decays is computed with Z-moments; predicted IceCube-Gen2 event rates are tiny and LHC bounds are more restrictive.
High-energy spectra of the atmospheric neutrinos: predictions and measurements
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abstract
Statistical analysis is performed of the atmospheric neutrino flux models as compared with the data of Frejus, AMANDA-II, IceCube, ANTARES, and Super-Kamiokande experiments. The analysis enables the evaluation of the confidence level of the flux models in comparison with atmospheric neutrino flux measurements. The flux calculations were performed in the framework of single computational scheme using a set of hadronic models combined with parameterizations of the cosmic rays spectrum by Zatsepin & Sokolskaya, and Hillas & Gaisser. The analysis showed satisfactory agreement of the conventional $\nu_\mu$ flux models with the measurements. The prompt neutrinos conrtibution obtained with a set of charm production models (QGSM, SIBYLL 2.3c, PROSA, GRRST, BEJKRSS, and GM-VFNS) is statistically negligible in the energy range covered by the neutrino telescopes.
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Beyond standard model particles in the atmospheric flux: a long-lived stau example
Atmospheric stau production from squark decays is computed with Z-moments; predicted IceCube-Gen2 event rates are tiny and LHC bounds are more restrictive.