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Experimental Verification of Quark-Hadron Duality

Niculescu, I. and Armstrong, C. S. and Arrington, J. and Assamagan, K. A. and Baker, O. K. and Beck, D. H. and Bochna, C. W. and Carlini, R. D. and Cha, J. and Cothran, C. and Day, D. B. and Dunne, J. A. and Dutta, D. and Ent, R. and Filippone, B. W. and Frolov, V. V. and Gao, H. and Geesaman, D. F. and Gueye, P. L. J. and Hinton, W. and Holt, R. J. and Jackson, H. E. and Keppel, C. E. and Koltenuk, D. M. and Mack, D. J. and Meekins, D. G. and Miller, M. A. and Mitchell, J. H. and Mohring, R. M. and Niculescu, G. and Potterveld, D. and Price, J. W. and Reinhold, J. and Segel, R. E. and Stoler, P. and Tang, L. and Terburg, B. P. and Van Westrum, D. and Vulcan, W. F. and Wood, S. A. and Yan, C. and Zeidman, B. (2000) Experimental Verification of Quark-Hadron Duality. Physical Review Letters, 85 (6). pp. 1186-1189. ISSN 0031-9007. http://resolver.caltech.edu/CaltechAUTHORS:NICprl00

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Abstract

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<5.0 (GeV/c)^2. Duality is observed both in limited and extended regions around the prominent resonance enhancements. Higher twist contributions to the F2 structure function are found to be small on average, even in the low Q^2 regime of ≈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.


Item Type:Article
Additional Information:©2000 The American Physical Society. Received 14 May 1999. This work is supported in part by research grants from the National Science Foundation. C.E.K. and R.E. wish to thank A. Radyushkin for many useful discussions.
Record Number:CaltechAUTHORS:NICprl00
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:NICprl00
Alternative URL:http://dx.doi.org/10.1103/PhysRevLett.85.1186
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:9650
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:21 Feb 2008
Last Modified:26 Dec 2012 09:50

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