Abstract

Model calculations of parton distributions are an important way to connect our knowledge of physics at high energy scales with physics at lower energy scales typical of nuclear physics. Earlier work on the spin-independent valence quark distributions has shown that DIS data support a bag radius around 0.8 fm, and highlighted the importance of chiral symmetry and the role of the pion cloud in nucleon structure. Here, that work is extended to the spin-dependent parton distributions. We calculate these distributions in the model and compare with experimental data.

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