Quark hadron duality and the nuclear EMC effect

Oct, 2001
15 pages
Published in:
  • Eur.Phys.J.A 14 (2002) 105-112
e-Print:
Report number:
  • ADP-01-36-T468,
  • JLAB-THY-01-28

Citations per year

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Abstract:
Recent data on polarized proton knockout reactions off He-4 nuclei suggest a small but nonzero modification of proton electromagnetic form factors in medium. Using model independent relations derived on the basis of quark-hadron duality, we relate the medium modification of the form factors to the modification at large x of the deep-inelastic structure function of a bound proton. This places strong constraints on models of the nuclear EMC effect which assume a large deformation of the intrinsic structure of the nucleon in medium.
Note:
  • 16 pages, 3 figures: typos corrected, references added, fig. 2 labels corrected: version to appear in Eur. Phys. J. A Report-no: ADP-01-36/T468, JLAB-THY-01-28
  • electron nucleus: inclusive reaction
  • electron nucleus: nuclear reaction
  • electron: polarized beam
  • helium
  • p: emission
  • p: polarization
  • polarization: longitudinal
  • polarization: transverse
  • p: form factor
  • matter: effect