Chiral symmetry, scalar di-quark and pentaquark

H. Toki, E. Hiyama, M. Kamimura, A. Hosaka

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We model the chiral symmetry feature in terms of a simplest possible non-relativistic quark model for the use of the full many body numerical method developed for nuclear few body problems. We present the numerical results on the properties of the flavor octet baryons, in particular the non-leptonic weak decay of baryons. We apply the model Hamiltonian to the structure of pentaquark system by solving the 5 body system. We find that the 1/2+ state appears clearly as the lowest state and have extremely a small width. We see that 1/2- state does not have a clearly distinguished state and is buried in the continuum above the K+ neutron threshold.

Original languageEnglish
Title of host publicationQUARK CONFINEMENT AND THE HADRON SPECTRUM VI
Subtitle of host publication6th Conference on Quark Confinement and the Hadron Spectrum - QCHS 2004
Pages312-314
Number of pages3
DOIs
Publication statusPublished - 2005 Apr 14
Externally publishedYes
Event6th Conference on Quark Confinement and the Hadron Spectrum - QCHS 2004 - Villasimius, Italy
Duration: 2004 Sep 212004 Sep 25

Publication series

NameAIP Conference Proceedings
Volume756
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference6th Conference on Quark Confinement and the Hadron Spectrum - QCHS 2004
Country/TerritoryItaly
CityVillasimius
Period04/9/2104/9/25

Keywords

  • Chiral symmetry
  • Pentaquark
  • Scalar diquark

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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