Nucleon Structure Functions from a Chiral Soliton

Details Nucleon Structure Functions from a Chiral Soliton Nucleon Structure Functions from a Chiral Soliton

1996-04-11

arxiv.org/abs/hep-ph/9604295v3

Phys.Lett. B399 (1997) 287-296

Physics

High Energy Physics

High Energy Physics - Phenomenology

Final version to be published in Phys. Lett. B

Scientific paper

10.1016/S0370-2693(97)00296-7

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.

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