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On the prompt contribution to the atmospheric neutrino flux

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arxiv 2208.12185 v2 pith:DZWVUCVZ submitted 2022-08-25 hep-ph

classification hep-ph
keywords charmcontributionfluxneutrinopromptatmosphericproductionrelated
verification ladder T0 review T1 audit T2 compute T3 formal

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abstract

The prompt contribution to the atmospheric neutrino flux is analyzed. It is demonstrated that the corresponding theoretical uncertainties related to perturbative treatment of charm production, notably, the ones stemming from the low and high $x$ behavior of parton distribution functions, can be conveniently studied at the level of charm quark production. Additionally, we discuss the non-perturbative contribution to the prompt neutrino flux, related to the intrinsic charm content of the proton, and analyze its main features.

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