期刊
PHYSICAL REVIEW LETTERS
卷 85, 期 6, 页码 1186-1189出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.85.1186
关键词
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A newly obtained sample of inclusive electron-nucleon scattering data has been analyzed for precision tests of quark-hadron duality. The data are in the nucleon resonance region, and span the range 0.3 < Q(2) < 5.9 (GeV/c)(2). Duality is observed both in limited and extended regions around the prominent resonance enhancements. Higher twist contributions to the F-2 structure function are found to be small on average, even in the low Q(2) regime of approximate to 0.5 (GeV/c)(2) Using duality, an average scaling curve is obtained. In all cases, duality appears to be a nontrivial property of the nucleon structure function.
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