Impact of the inelastic proton -- nucleus cross section on the prompt neutrino flux
arXiv:1812.06763 · doi:10.1140/epjc/s10052-019-6669-8
Abstract
The description of the inelastic proton -- nucleus cross section at very high energies is still an open question. The current theoretical uncertainty has direct impact on the predictions of the cosmic ray and neutrino physics observables. In this paper we consider different models for the treatment of , compare its predictions at ultrahigh cosmic ray energies and estimate the prompt neutrino flux at the neutrino energies that have been probed by the IceCube Observatory. We demonstrate that depending of the model used to describe , the predictions for the prompt neutrino flux can differ by a factor of order of three. Such result demonstrate the importance of a precise measurement of the inelastic proton -- nucleus cross section at high energies.
arXiv comment5 pages, 3 figures; v2: corrected the range of horizontal axis in figure 1. Matches the version published in Eur. Phys. J. C
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