Chiral SU(3) Quark Model Study of Low-energy Nπ Scattering Phase Shifts

HUANG Fei; ZHANG Zong-Ye; YU You-Wen

Chinese Physics C> 2005, Vol. 29> Issue(10) : 948-953

Chiral SU(3) Quark Model Study of Low-energy Nπ Scattering Phase Shifts

Institute of High Energy Physics,CAS,Beijing 100049,China2 Graduate School of the Chinese Academy of Sciences,Beijing 100049,China

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Abstract：
A dynamical study of the low energy nucleon-pion scattering phase shifts for $S$ and $P$ waves with isospin $I=1/2$ and $I=3/2$ is performed in the chiral $SU(3)$ quark model by solving a resonating group method equation. The model parameters are taken to be the values fitted by the energies of the baryon ground states and the kaon-nucleon elastic scattering phase shifts of different partial waves. Except for the resonant channels, the numerical results are in qualitative agreement with the experimental data.

References

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HUANG Fei, ZHANG Zong-Ye and YU You-Wen. Chiral SU(3) Quark Model Study of Low-energy Nπ Scattering Phase Shifts[J]. Chinese Physics C, 2005, 29(10): 948-953.

HUANG Fei, ZHANG Zong-Ye and YU You-Wen. Chiral SU(3) Quark Model Study of Low-energy Nπ Scattering Phase Shifts[J]. Chinese Physics C, 2005, 29(10): 948-953. shu

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Received: 2005-02-24
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

Chiral SU(3) Quark Model Study of Low-energy Nπ Scattering Phase Shifts

Corresponding author: HUANG Fei,

Institute of High Energy Physics,CAS,Beijing 100049,China2 Graduate School of the Chinese Academy of Sciences,Beijing 100049,China

Received Date: 2005-02-24
Accepted Date: 1900-01-01
Available Online: 2005-10-05

Abstract: A dynamical study of the low energy nucleon-pion scattering phase shifts for $S$ and $P$ waves with isospin $I=1/2$ and $I=3/2$ is performed in the chiral $SU(3)$ quark model by solving a resonating group method equation. The model parameters are taken to be the values fitted by the energies of the baryon ground states and the kaon-nucleon elastic scattering phase shifts of different partial waves. Except for the resonant channels, the numerical results are in qualitative agreement with the experimental data.