Strangeness and Chiral Symmetry Breaking

Details Strangeness and Chiral Symmetry Breaking Strangeness and Chiral Symmetry Breaking

2010-11-04

arxiv.org/abs/1011.1074v1

Mod.Phys.Lett.A26:279-288,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, 1 table. To appear in Mod. Phys. Lett. A

Scientific paper

10.1142/S0217732311034785

The implications of chiral symmetry breaking and SU(3) symmetry breaking have been studied in the chiral constituent quark model ($\chi$CQM). The role of hidden strangeness component has been investigated for the scalar matrix elements of the nucleon with an emphasis on the meson-nucleon sigma terms. The $\chi$CQM is able to give a qualitative and quantitative description of the "quark sea" generation through chiral symmetry breaking. The significant contribution of the strangeness is consistent with the recent available experimental observations.

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