Direct Observation of Quark-Hadron Duality in the Free Neutron {ital F}{sub 2} Structure Function
Abstract
Using the recently published data from the BONuS(Barely Off-shell Nucleon Structure) experiment at Jefferson Lab, which utilized a spectator tagging technique to extract the inclusive electron-free neutron scattering cross section, we obtain the first direct observation of quark-hadron duality in the neutron F-2 structure function. The data are used to reconstruct the lowest few (N = 2, 4, and 6) moments of F-2 in the three prominent nucleon resonance regions, as well as the moments integrated over the entire resonance region. Comparison with moments computed from global parametrizations of parton distribution functions suggest that quark-hadron duality holds locally for the neutron in the second and third resonance regions down to Q(2) approximate to 1 GeV2, with violations possibly up to 20% observed in the first resonance region.
- Authors:
-
- James Madison Univ., Harrisonburg, VA (United States)
- Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Hampton Univ., Hampton, VA (United States)
- College of William and Mary, Williamsburg, VA (United States)
- Old Dominion Univ., Norfolk, VA (United States)
- Univ. of Virginia, Charlottesville, VA (United States)
- Publication Date:
- Research Org.:
- Argonne National Laboratory (ANL), Argonne, IL (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Nuclear Physics (NP)
- OSTI Identifier:
- 1339265
- Alternate Identifier(s):
- OSTI ID: 1182453
- Grant/Contract Number:
- AC02-06CH11357; AC05-06OR23177; FG02-96ER40960; FG02-97ER41025; FG02-96ER41003
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review C, Nuclear Physics
- Additional Journal Information:
- Journal Volume: 91; Journal Issue: 5; Journal ID: ISSN 0556-2813
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 73 NUCLEAR PHYSICS AND RADIATION PHYSICS
Citation Formats
Niculescu, I., Niculescu, G., Melnitchouk, W., Arrington, J., Christy, M. E., Ent, R, Griffioen, K. A., Kalantarians, N., Keppel, C. E., Kuhn, S. E., Tkachenko, S., and Zhang, J. Direct Observation of Quark-Hadron Duality in the Free Neutron {ital F}{sub 2} Structure Function. United States: N. p., 2015.
Web. doi:10.1103/PhysRevC.91.055206.
Niculescu, I., Niculescu, G., Melnitchouk, W., Arrington, J., Christy, M. E., Ent, R, Griffioen, K. A., Kalantarians, N., Keppel, C. E., Kuhn, S. E., Tkachenko, S., & Zhang, J. Direct Observation of Quark-Hadron Duality in the Free Neutron {ital F}{sub 2} Structure Function. United States. https://doi.org/10.1103/PhysRevC.91.055206
Niculescu, I., Niculescu, G., Melnitchouk, W., Arrington, J., Christy, M. E., Ent, R, Griffioen, K. A., Kalantarians, N., Keppel, C. E., Kuhn, S. E., Tkachenko, S., and Zhang, J. Thu .
"Direct Observation of Quark-Hadron Duality in the Free Neutron {ital F}{sub 2} Structure Function". United States. https://doi.org/10.1103/PhysRevC.91.055206. https://www.osti.gov/servlets/purl/1339265.
@article{osti_1339265,
title = {Direct Observation of Quark-Hadron Duality in the Free Neutron {ital F}{sub 2} Structure Function},
author = {Niculescu, I. and Niculescu, G. and Melnitchouk, W. and Arrington, J. and Christy, M. E. and Ent, R and Griffioen, K. A. and Kalantarians, N. and Keppel, C. E. and Kuhn, S. E. and Tkachenko, S. and Zhang, J.},
abstractNote = {Using the recently published data from the BONuS(Barely Off-shell Nucleon Structure) experiment at Jefferson Lab, which utilized a spectator tagging technique to extract the inclusive electron-free neutron scattering cross section, we obtain the first direct observation of quark-hadron duality in the neutron F-2 structure function. The data are used to reconstruct the lowest few (N = 2, 4, and 6) moments of F-2 in the three prominent nucleon resonance regions, as well as the moments integrated over the entire resonance region. Comparison with moments computed from global parametrizations of parton distribution functions suggest that quark-hadron duality holds locally for the neutron in the second and third resonance regions down to Q(2) approximate to 1 GeV2, with violations possibly up to 20% observed in the first resonance region.},
doi = {10.1103/PhysRevC.91.055206},
journal = {Physical Review C, Nuclear Physics},
number = 5,
volume = 91,
place = {United States},
year = {Thu May 21 00:00:00 EDT 2015},
month = {Thu May 21 00:00:00 EDT 2015}
}
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Works referencing / citing this record:
Quark Hadron Duality in Unpolarized Structure Functions
journal, June 2018
- Niculescu, Ioana
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