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Intrinsic charm in the nucleon and forward production of charm: a new constrain from IceCube Neutrino Observatory

Rafał Maciuła, Victor P. Goncalves, Antoni Szczurek

SciPost Phys. Proc. 8, 124 (2022) · published 13 July 2022

Proceedings event

28th Annual Workshop on Deep-Inelastic Scattering (DIS) and Related Subjects


The predictions for the atmospheric neutrino flux at high energies strongly depend on the contribution of prompt neutrinos, which are determined by the production of charmed meson in the atmosphere at very forward rapidities. Here we estimate the related cross sections taking into account the presence of an intrinsic charm (IC) component in the proton wave function. The impact on the predictions for the prompt neutrino flux is investigated assuming different values for the probability to find the IC in the nucleon.

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