Chiral Quark Model Approach for the Study of Baryon Resonances(Exotic Hadrons,New Frontiers in QCD 2010-Exotic Hadron Systems and Dense Matter-)

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概要

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• We report the chiral quark model approach for the study of baryon resonances in meson photoproduction and meson-nucleon scattering processes. Focussing on the πN and KN scatterings, we show that the cross sections near threshold can be well accounted for by the chiral quark model with only few parameters. The S-wave dominance in both π^-P→ηn and K^-p→Σ^0π^0 can be well understood in the quark model framework. In particular, the quark model provides a constraint on the relative signs for resonance coupling form factors, which seems to be consistent with results from isobaric models.

• 理論物理学刊行会の論文
• 2010-12-17

著者

• Zhao Qiang

  Institute Of High Energy Physics Chinese Academy Of Sciences:theoretical Physics Center For Science

• ZHAO Qiang

  Institute of High Energy Physics, Chinese Academy of Sciences:Theoretical Physics Center for Science Facilities, CAS

関連論文

• Chiral Quark Model Approach for the Study of Baryon Resonances(Exotic Hadrons,New Frontiers in QCD 2010-Exotic Hadron Systems and Dense Matter-)

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