Confirmation of quark-hadron duality in the neutron F_2 structure function

Details Confirmation of quark-hadron duality in the neutron F_2 structure function Confirmation of quark-hadron duality in the neutron F_2 structure function

2009-10-26

arxiv.org/abs/0910.4920v2

Phys.Rev.Lett.104:102001,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 4 figures; minor content changes; to appear in Phys. Rev. Lett

Scientific paper

10.1103/PhysRevLett.104.102001

We apply a recently developed technique to extract for the first time the neutron F_2^n structure function from inclusive proton and deuteron data in the nucleon resonance region, and test the validity of quark-hadron duality in the neutron. We establish the accuracy of duality in the low-lying neutron resonance regions over a range of Q^2, and compare with the corresponding results on the proton and with theoretical expectations. The confirmation of duality in both the neutron and proton opens the possibility of using resonance region data to constrain parton distributions at large x.

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