Polarized structure functions of nucleons and nuclei
arXiv:0711.0392 · doi:10.1016/j.ppnp.2007.12.021
Abstract
We determine the quark distributions and structure functions for both unpolarized and polarized DIS of leptons on nucleons and nuclei. The scalar and vector mean fields in the nucleus modify the motion of the quarks inside the nucleons. By taking into account this medium modification, we are able to reproduce the experimental data on the unpolarized EMC effect, and to make predictions for the polarized EMC effect. We discuss examples of nuclei where the polarized EMC effect could be measured. We finally present an extension of our model to describe fragmentation functions.
To appear in the proceedings of Quarks in Hadrons and Nuclei, Erice, 16-24 September 2007
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- Three Lectures on Hadron Physics
- Elastic and transition form factors of the Δ(1232)
- Nucleon tensor charges and electric dipole moments
- Contact-interaction Faddeev equation and, inter alia, proton tensor charges
- Rho meson form factors in a confining Nambu--Jona-Lasinio model
- SU(3)-flavour breaking in octet baryon masses and axial couplings