Navasardyan, T. and Adams, G. S. and Ahmidouch, A. and Angelescu, T. and Arrington, J. and Asaturyan, R. and Baker, O. K. and Benmouna, N. and Bertoncini, C. and Blok, H. P. and Boeglin, W. U. and Bosted, P. E. and Breuer, H. and Christy, M. E. and Connell, S. H. and Cui, Y. and Dalton, M. M. and Danagoulian, S. and Day, D. and Dodario, T. and Dunne, J. A. and Dutta, D. and El Khayari, N. and Ent, R. and Fenker, H. C. and Frolov, V. V. and Gan, L. and Gaskell, D. and Hafidi, K. and Hinton, W. and Holt, R. J. and Horn, T. and Huber, G. M. and Hungerford, E. and Jiang, X. and Jones, M. and Joo, K. and Kalantarians, N. and Kelly, J. J. and Keppel, C. E. and Kubarovski, V. and Li, Y. and Liang, Y. and Malace, S. and Markowitz, P. and McGrath, E. and McKee, P. and Meekins, D. G. and Mkrtchyan, H. and Moziak, B. and Niculescu, G. and Niculescu, I. and Opper, A. K. and Ostapenko, T. and Reimer, P. and Reinhold, J. and Roche, J. and Rock, S. E. and Schulte, E. and Segbefia, E. and Smith, C. and Smith, G. R. and Stoler, P. and Tadevosyan, V. and Tang, L. and Ungaro, M. and Uzzle, A. and Vidakovic, S. and Villano, A. and Vulcan, W. F. and Wang, M. and Warren, G. and Wesselmann, F. and Wojtsekhowski, B. and Wood, S. A. and Xu, C. and Yuan, L. and Zheng, X. and Zhu, H. (2007) Onset of Quark-Hadron Duality in Pion Electroproduction. Physical Review Letters, 98 (2). Art. No. 022001 . ISSN 0031-9007 http://resolver.caltech.edu/CaltechAUTHORS:20100112-133605966
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A large data set of charged-pion (π^±) electroproduction from both hydrogen and deuterium targets has been obtained spanning the low-energy residual-mass region. These data conclusively show the onset of the quark-hadron duality phenomenon, as predicted for high-energy hadron electroproduction. We construct several ratios from these data to exhibit the relation of this phenomenon to the high-energy factorization ansatz of electron-quark scattering and subsequent quark→pion production mechanisms.
|Additional Information:||© 2007 The American Physical Society. Received 17 August 2006; published 10 January 2007. The authors thank A. Bruell, C. E. Carlson, and W. Melnitchouk for helpful discussions. This work is supported in part by research grants from the U.S. Department of Energy, the U.S. National Science Foundation, the Natural Sciences and Engineering Research Council of Canada, and FOM (Netherlands). The Southeastern Universities Research Association operates the Thomas Jefferson National Accelerator Facility under the U.S. Department of Energy Contract No. DEAC05-84ER40150.|
|Classification Code:||PACS numbers: 12.40.Nn, 12.39.St, 13.60.Le, 13.87.Fh.|
|Usage Policy:||No commercial reproduction, distribution, display or performance rights in this work are provided.|
|Deposited By:||Tony Diaz|
|Deposited On:||12 Jan 2010 23:16|
|Last Modified:||26 Dec 2012 11:41|
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