Phys. Rev. Lett. 98, 022001 (2007) [5 pages]
Onset of Quark-Hadron Duality in Pion Electroproduction
Abstract
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Citing Articles
T. Navasardyan, 1 G. S. Adams, 2 A. Ahmidouch, 3 T. Angelescu, 4 J. Arrington, 5 R. Asaturyan, 1 O. K. Baker, 6,7 N. Benmouna, 9 C. Bertoncini, 10 H. P. Blok, 11 W. U. Boeglin, 12 P. E. Bosted, 13 H. Breuer, 8 M. E. Christy, 6 S. H. Connell, 14 Y. Cui, 15 M. M. Dalton, 14 S. Danagoulian, 3 D. Day, 16 T. Dodario, 15 J. A. Dunne, 17 D. Dutta, 18 N. El Khayari, 15 R. Ent, 7 H. C. Fenker, 7 V. V. Frolov, 19 L. Gan, 20 D. Gaskell, 7 K. Hafidi, 5 W. Hinton, 6,7 R. J. Holt, 5 T. Horn, 8 G. M. Huber, 21 E. Hungerford, 15 X. Jiang, 22 M. Jones, 7 K. Joo, 23 N. Kalantarians, 14 J. J. Kelly, 8 C. E. Keppel, 6,7 V. Kubarovski, 2 Y. Li, 15 Y. Liang, 24 S. Malace, 4 P. Markowitz, 12 E. McGrath, 25 P. McKee, 16 D. G. Meekins, 7 H. Mkrtchyan, 1 B. Moziak, 2 G. Niculescu, 16 I. Niculescu, 25 A. K. Opper, 24 T. Ostapenko, 26 P. Reimer, 5 J. Reinhold, 12 J. Roche, 7 S. E. Rock, 13 E. Schulte, 5 E. Segbefia, 6 C. Smith, 16 G. R. Smith, 7 P. Stoler, 2 V. Tadevosyan, 1 L. Tang, 6,7 M. Ungaro, 2 A. Uzzle, 6 S. Vidakovic, 21 A. Villano, 2 W. F. Vulcan, 7 M. Wang, 13 G. Warren, 7 F. Wesselmann, 16 B. Wojtsekhowski, 7 S. A. Wood, 7 C. Xu, 21 L. Yuan, 6 X. Zheng, 5 and H. Zhu161Yerevan Physics Institute, Yerevan, Armenia
2Rensselaer Polytechnic Institute, Troy, New York 12180, USA
3North Carolina A & T State University, Greensboro, North Carolina 27411, USA
4Bucharest University, Bucharest, Romania
5Argonne National Laboratory, Argonne, Illinois 60439, USA
6Hampton University, Hampton, Virginia 23668, USA
7Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA
8University of Maryland, College Park, Maryland 20742, USA
9The George Washington University, Washington, D.C. 20052, USA
10Vassar College, Poughkeepsie, New York 12604, USA
11Vrije Universiteit, 1081 HV Amsterdam, The Netherlands
12Florida International University, University Park, Florida 33199, USA
13University of Massachusetts Amherst, Amherst, Massachusetts 01003, USA
14University of the Witwatersrand, Johannesburg, South Africa
15University of Houston, Houston, Texas 77204, USA
16University of Virginia, Charlottesville, Virginia 22901, USA
17Mississippi State University, Mississippi State, Mississippi 39762, USA
18Triangle Universities Nuclear Laboratory and Duke University, Durham, North Carolina 27708, USA
19California Institute of Technology, Pasadena, California 91125, USA
20University of North Carolina Wilmington, Wilmington, North Carolina 28403, USA
21University of Regina, Regina, Saskatchewan, Canada, S4S 0A2
22Rutgers, The State University of New Jersey, Piscataway, New Jersey 08855, USA
23University of Connecticut, Storrs, Connecticut 06269, USA
24Ohio University, Athens, Ohio 45071, USA
25James Madison University, Harrisonburg, Virginia 22807, USA
26Gettysburg College, Gettysburg, Pennsylvania 18103, USA
Received 17 August 2006; published 10 January 2007
A large data set of charged-pion ( ±) 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.
©2007 The American Physical Society
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