Quark Excitation and Proton Spin

Shen Hongqing; Yang Jianjun; Ping Jialun; Wang Fan; Li Guanglie; Shen Jianping

Chinese Physics C> 1994, Vol. 18> Issue(3) : 277-281

Quark Excitation and Proton Spin

Department of Physics, Nanjing Normal University, Nanjing 2100241 Dapartment of Physics, Nanjing University, Nanjing 2100082 Institute of High Energy Physics, Academia Sinica , Beijing 100039.

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Abstract：
We propose a new baryon wave function which is constructed from the three quark configuration with SU(6) symmetry together with the configuration of the accompanying excitation of sea quark and valence quark. Using this wave function, the calculated results of GA/GV, μp/μn. and the contribution of quark spin to the proton spin are in fair agreement with the experimental data.

References

[1]	J.Ashman et al.Nucl.Phys.,B328（1989）1.[2]H.J.Lipkin,Phys.Lett.,B256（1991）284.[3]K.H.Jaffe and H.J.Lipkin:Phys.Lett.,B266（1991）458.[4]C.S.Kalman and B.Tran,Nuovo Cimento,102A（1989）835.

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Shen Hongqing, Yang Jianjun, Ping Jialun, Wang Fan, Li Guanglie and Shen Jianping. Quark Excitation and Proton Spin[J]. Chinese Physics C, 1994, 18(3): 277-281.

Shen Hongqing, Yang Jianjun, Ping Jialun, Wang Fan, Li Guanglie and Shen Jianping. Quark Excitation and Proton Spin[J]. Chinese Physics C, 1994, 18(3): 277-281. shu

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Received: 1900-01-01
Revised: 1900-01-01

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