Please use this identifier to cite or link to this item:
https://hdl.handle.net/2440/63256
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Type: | Conference paper |
Title: | The structure of a bound nucleon |
Author: | Cloet, I. Bentz, W. Thomas, A. |
Citation: | Proceedings of Achievements and New Directions in Subatomic Physics: Festchrift in Honor of Tony Thomas 60th Birthday, held in Adelaide, South Australia, 15-19 February 2010 / W. Melnitchouk (ed.): pp.92-97 |
Publisher: | American Institute of Physics |
Publisher Place: | New York |
Issue Date: | 2010 |
Series/Report no.: | AIP Conference Proceedings ; 1261 |
ISBN: | 9780735408111 |
ISSN: | 0094-243X 1551-7616 |
Conference Name: | Achievements and New Directions in Subatomic Physics (2010 : Adelaide, South Australia) |
Editor: | Melnitchouk, W. |
Statement of Responsibility: | I. C. Cloët, W. Bentz, and A. W. Thomas |
Abstract: | We highlight some of the progress made in understanding the EMC effect and the NuTeV anomaly using a chiral effective theory of QCD, that is, the Nambu-Jona-Lasinio model. A natural consequence of this approach is that for nuclear systems the mean scalar and vector fields couple to the quarks inside the bound nucleons and therefore nucleon properties are modified in the medium. In particular, we demonstrate that the medium modification of nucleon quark distributions provides a natural explanation of the EMC effect. We also illustrate how a proton-neutron asymmetry in nuclei leads to an isovector-vector mean-field which couples to the quarks in the bound nucleons and that this mechanism leads to an additional correction to the NuTeV measurement of sin 2θw. © 2010 American Institute of Physics. |
Keywords: | quantum chromodynamics nucleon interactions proton-nucleon interactions chiral symmetries |
Rights: | ©2010 American Institute of Physics |
DOI: | 10.1063/1.3479368 |
Published version: | http://dx.doi.org/10.1063/1.3479368 |
Appears in Collections: | Aurora harvest Physics publications |
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hdl_63256.pdf | Published version | 5.09 MB | Adobe PDF | View/Open |
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