Nucleon Structure Functions within a Chiral Soliton Model

Details Nucleon Structure Functions within a Chiral Soliton Model Nucleon Structure Functions within a Chiral Soliton Model

1997-08-07

arxiv.org/abs/hep-ph/9708266v1

PiN Newslett. 13 (1997) 342

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, 3 postscript figures, uses menu97.sty. Presented at the MENU97 Conference, Vancouver, Canada, July 28th - Aug. 2nd, 1

Scientific paper

We study nucleon structure functions within the bosonized Nambu--Jona--Lasinio model where the nucleon emerges as a chiral soliton. We discuss the model predictions on the Gottfried sum rule for electron--nucleon scattering. A comparison with a low--scale parametrization shows that the model reproduces the gross features of the empirical structure functions. We also compute the leading twist contributions of the polarized structure functions $g_{1}(x)$ and $g_{2}(x)$ in this model. We compare the model predictions on these structure functions with data from the E143 experiment by GLAP evolving them appropriately.

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