Nucleon Structure Functions from a Chiral Soliton

Abstract

Nucleon structure functions are studied within the chiral soliton approach to the bosonized Nambu-Jona-Lasinio model. The valence quark approximation is employed which is justified for moderate constituent quark masses ($\sim$ 400 MeV) as the contribution of the valence quark level dominates the predictions of nucleon properties. As examples the unpolarized structure functions for the $\nu p$ and $\bar{\nu }p$ scattering and the structure functions entering the Gottfried sum rule are discussed. For the latter the model prediction is found to reasonably well agree with a corresponding low-scale parametrization of the empirical data.

Final version to be published in Phys. Lett. B

References in corpus (1)

• Baryons as Chiral Solitons in the Nambu--Jona-Lasinio Model

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