Nuclear medium modification of the F2 structure function

Details Nuclear medium modification of the F2 structure function Nuclear medium modification of the F2 structure function

2009-10-26

arxiv.org/abs/0910.4879v3

Nucl.Phys.A857:29-41,2011

Physics

Nuclear Physics

Nuclear Theory

19 pages, 8 figures. This version matches accepted version to be published in Nuclear Physics A

Scientific paper

10.1016/j.nuclphysa.2011.03.008

We study the nuclear effects in the electromagnetic structure function F2(x,Q^2) in nuclei in the deep inelastic lepton nucleus scattering process by taking into account Fermi motion, binding, pion and rho meson cloud contributions. Calculations have been done in a local density approximation using relativistic nuclear spectral functions which include nucleon correlations for nuclear matter. The ratios over deuteron structure function are obtained and compared with the recent JLAB results for light nuclei with special attention to the slope of the x distributions. This magnitude shows a non trivial A dependence and it is insensitive to possible normalization uncertainties. The results have also been compared with some of the older experiments using intermediate mass nuclei.

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