Intrinsic-Charm Contribution to Scale Breaking at Largex

Abstract

A hard intrinsic charm component of the nucleon, as recently deduced from the charm hadroproduction data, is shown to account for the anomalously small scale breaking ($\Lambda \simeq 0.1$ GeV) observed in the $\mu N$ data of Norton et al. (European Muon Collaboration), without affecting the results ($\Lambda =0.3-0.4\mathrm{}$ GeV) of the SLAC-MIT (Stanford Linear Accelerator Center-Massachusetts Institute of Technology) or CDHS (CERN-Universität Dortmund-Universität Heidelberg-Centre d'Etudes Nucléaires de Saclay) Collaborations.