Document Type

Article

Publication Date

2015

DOI

10.1103/PhysRevC.91.055206

Publication Title

Physical Review C

Volume

91

Issue

5

Pages

055206 (1-7)

Abstract

Using the recently published data from the BONuS(Barely Off-shell Nucleon Structure) experiment at Jefferson Lab, which utilized a spectator tagging technique to extract the inclusive electron-free neutron scattering cross section, we obtain the first direct observation of quark-hadron duality in the neutron F2 structure function. The data are used to reconstruct the lowest few (N = 2, 4, and 6) moments of F2 in the three prominent nucleon resonance regions, as well as the moments integrated over the entire resonance region. Comparison with moments computed from global parametrizations of parton distribution functions suggest that quark-hadron duality holds locally for the neutron in the second and third resonance regions down to Q2 approximate to 1 GeV2, with violations possibly up to 20% observed in the first resonance region.

Comments

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Original Publication Citation

Niculescu, I., Niculescu, G., Melnitchouk, W., Arrington, J., Christy, M. E., Ent, R., . . . Zhang, J. (2015). Direct observation of quark-hadron duality in the free neutron F2 structure function. Physical Review C, 91(5), 055206. doi:10.1103/PhysRevC.91.055206

ORCID

0000-0003-2243-6836 (Kuhn)

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