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. 2008 Oct 31;101(18):182502.
doi: 10.1103/PhysRevLett.101.182502. Epub 2008 Oct 30.

Quark-hadron duality in neutron (3He) spin structure

P Solvignon  1 , N Liyanage, J-P Chen, Seonho Choi, K Aniol, T Averett, W Boeglin, A Camsonne, G D Cates, C C Chang, E Chudakov, B Craver, F Cusanno, A Deur, D Dutta, R Ent, R Feuerbach, S Frullani, H Gao, F Garibaldi, R Gilman, C Glashausser, V Gorbenko, O Hansen, D W Higinbotham, H Ibrahim, X Jiang, M Jones, A Kelleher, J Kelly, C Keppel, W Kim, W Korsch, K Kramer, G Kumbartzki, J J Lerose, R Lindgren, B Ma, D J Margaziotis, P Markowitz, K McCormick, Z-E Meziani, R Michaels, B Moffit, P Monaghan, C Munoz Camacho, K Paschke, B Reitz, A Saha, R Sheyor, J Singh, K Slifer, V Sulkosky, A Tobias, G M Urciuoli, K Wang, K Wijesooriya, B Wojtsekhowski, S Woo, J-C Yang, X Zheng, L Zhu; Jefferson Lab E01-012 Collaboration
Affiliations

Quark-hadron duality in neutron (3He) spin structure

P Solvignon et al. Phys Rev Lett. .

Abstract

We present experimental results of the first high-precision test of quark-hadron duality in the spin-structure function g_{1} of the neutron and 3He using a polarized 3He target in the four-momentum-transfer-squared range from 0.7 to 4.0 (GeV/c);{2}. Global duality is observed for the spin-structure function g_{1} down to at least Q;{2}=1.8 (GeV/c);{2} in both targets. We have also formed the photon-nucleon asymmetry A1 in the resonance region for 3He and found no strong Q2 dependence above 2.2 (GeV/c);{2}.

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