Chiral dynamics of baryons in the quark model

A. Faessler, Th Gutsche, V. E. Lyubovitskij, K. Pumsa-Ard

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

We discuss recent applications of the perturbative chiral quark model (PCQM) in the analysis of the structure of baryons. The PCQM is based on an effective Lagrangian, where baryons are described by relativistic valence quarks and a perturbative cloud of Goldstone bosons as required by chiral symmetry. We discuss for example applications to electromagnetic properties of the octet baryons and σ-term physics. Furthermore, we present recent efforts to formulate and apply a manifestly Lorentz covariant chiral quark model, which is consistent with the latest developments in the baryon sector of chiral perturbation theory.

Original language	English
Title of host publication	Sixth Latin American Symposium on Nuclear Physics and Applications
Pages	43-51
Number of pages	9
Volume	884
DOIs	https://doi.org/10.1063/1.2710556
Publication status	Published - 2007
Externally published	Yes
Event	6th Latin American Symposium on Nuclear Physics and Applications - Iguazu, Argentina Duration: 3 Oct 2005 → 7 Oct 2005

Conference

Conference	6th Latin American Symposium on Nuclear Physics and Applications
Country	Argentina
City	Iguazu
Period	3.10.05 → 7.10.05

Fingerprint

Keywords

Chiral symmetry
Effective Lagrangian
Relativistic quark model

ASJC Scopus subject areas

Physics and Astronomy(all)

Cite this

Faessler, A., Gutsche, T., Lyubovitskij, V. E., & Pumsa-Ard, K. (2007). Chiral dynamics of baryons in the quark model. In Sixth Latin American Symposium on Nuclear Physics and Applications (Vol. 884, pp. 43-51) https://doi.org/10.1063/1.2710556

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AB - We discuss recent applications of the perturbative chiral quark model (PCQM) in the analysis of the structure of baryons. The PCQM is based on an effective Lagrangian, where baryons are described by relativistic valence quarks and a perturbative cloud of Goldstone bosons as required by chiral symmetry. We discuss for example applications to electromagnetic properties of the octet baryons and σ-term physics. Furthermore, we present recent efforts to formulate and apply a manifestly Lorentz covariant chiral quark model, which is consistent with the latest developments in the baryon sector of chiral perturbation theory.

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Access to Document

10.1063/1.2710556