Chinese Physics C > 2009, Vol. 33 > Issue(12): 1189-1196 DOI: 10.1088/1674-1137/33/12/022

Exploring the light-quark interaction

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Abstract：

Two basic motivations for an upgraded JLab facility are the needs: to determine the essential nature of light-quark confinement and dynamical chiral symmetry breaking (DCSB); and to understand nucleon structure and spectroscopy in terms of QCD's elementary degrees of freedom. During the next ten years a programme of experiment and theory will be conducted that can address these questions. We present a Dyson-Schwinger equation perspective on this effort with numerous illustrations, amongst them: an interpretation of string-breaking; a symmetry-preserving truncation for mesons; the nucleon's strangeness σ-term; and the neutron's charge distribution.

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CHANG Lei, Ian C, Bruno El-BENNICH, Thomas KL and Craig D. Exploring the light-quark interaction[J]. Chinese Physics C, 2009, 33(12): 1189-1196. doi: 10.1088/1674-1137/33/12/022

CHANG Lei, Ian C, Bruno El-BENNICH, Thomas KL and Craig D. Exploring the light-quark interaction[J]. Chinese Physics C, 2009, 33(12): 1189-1196. doi:10.1088/1674-1137/33/12/022 shu

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Received: 2009-08-07
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Exploring the light-quark interaction

Corresponding author:CHANG Lei,

Received Date:2009-08-07
Accepted Date:1900-01-01
Available Online:2009-12-05

Abstract:

Two basic motivations for an upgraded JLab facility are the needs: to determine the essential nature of light-quark confinement and dynamical chiral symmetry breaking (DCSB); and to understand nucleon structure and spectroscopy in terms of QCD's elementary degrees of freedom. During the next ten years a programme of experiment and theory will be conducted that can address these questions. We present a Dyson-Schwinger equation perspective on this effort with numerous illustrations, amongst them: an interpretation of string-breaking; a symmetry-preserving truncation for mesons; the nucleon's strangeness σ-term; and the neutron's charge distribution.