Structure Functions from Chiral Soliton Models

Details Structure Functions from Chiral Soliton Models Structure Functions from Chiral Soliton Models

1997-08-07

arxiv.org/abs/hep-ph/9708267v1

AIP Conf Proc 412 (1997) 664

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 3 postscript figures, uses aipproc.sty and aipproc.cls. Presented at the 6th Conference on Intersections between Nucl

Scientific paper

10.1063/1.54360

We study nucleon structure functions within the bosonized Nambu-Jona-Lasinio (NJL) 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 from the scale characteristic for the NJL-model to the scale of the data.

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