Q**2 Dependence of Nuclear Shadowing

Details Q**2 Dependence of Nuclear Shadowing Q**2 Dependence of Nuclear Shadowing

1995-08-16

arxiv.org/abs/hep-ph/9508311v1

Phys.Rev.C52:3373-3377,1995

Physics

High Energy Physics

High Energy Physics - Phenomenology

17 pages REVTeX, 5 uuencoded figures, accepted for publication in Phys. Rev. C

Scientific paper

10.1103/PhysRevC.52.3373

We re-examine the predictions of a two-phase model of shadowing in nuclear deep-inelastic scattering in light of new NMC data on the x, A and Q**2 dependence of the ratios of structure functions. The model, which combines vector meson dominance at low Q**2 with diffractive Pomeron exchange for large Q**2, agrees with the observed small, but non-zero, slopes in log Q**2, which indicate the importance of higher twist shadowing effects in the transition region, 0.1 < Q**2 < 1 GeV**2. We note also that the latest E665 data on the deuteron to proton ratio suggests the presence of a small amount of shadowing in the deuteron.

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