Baryon Resonance in χ<SUB>c0</SUB>→BBMM Decays

PING Rong-Gang; YUAN Chang-Zheng

Chinese Physics C> 2006, Vol. 30> Issue(8) : 731-735

Baryon Resonance in χ_c0→BBMM Decays

PING Rong-Gang ^, ,
YUAN Chang-Zheng

Institute of High Energy Physics, CAS, Beijing 100049, China

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Abstract：
The exclusive decays of χ_c0 into multi-body BBMM(B:baryon,M:meson)are investigated based on the SU(3) symmetry. The transitional amplitudes of χ_c0→BBMM are given in terms of the isospin coupling constant. Based on these amplitudes, it is found that N^* resonances make a relatively large contribution to the χ_c0→NNππ, which might serve as a channel to study N^* resonance in data analysis.

References

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PING Rong-Gang and YUAN Chang-Zheng. Baryon Resonance in χ_c0→BBMM Decays[J]. Chinese Physics C, 2006, 30(8): 731-735.

PING Rong-Gang and YUAN Chang-Zheng. Baryon Resonance in χ_c0→BBMM Decays[J]. Chinese Physics C, 2006, 30(8): 731-735. shu

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Received: 2005-12-08
Revised: 2006-03-01

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Baryon Resonance in χ_c0→BBMM Decays

PING Rong-Gang ^,
YUAN Chang-Zheng

Corresponding author: PING Rong-Gang,

Institute of High Energy Physics, CAS, Beijing 100049, China

Received Date: 2005-12-08
Accepted Date: 2006-03-01
Available Online: 2006-08-05

Abstract: The exclusive decays of χ_c0 into multi-body BBMM(B:baryon,M:meson)are investigated based on the SU(3) symmetry. The transitional amplitudes of χ_c0→BBMM are given in terms of the isospin coupling constant. Based on these amplitudes, it is found that N^* resonances make a relatively large contribution to the χ_c0→NNππ, which might serve as a channel to study N^* resonance in data analysis.