Nonperturbative Effect of Nonstrange Baryonic Spectrum

Chen Hong; Zhang Zongye

Chinese Physics C> 1996, Vol. 20> Issue(10) : 937-944

Nonperturbative Effect of Nonstrange Baryonic Spectrum

Chen Hong ^, ,
Zhang Zongye

Department of Physics, Southwest Normal University, Chongqing 6307152 Institute of High Energy Physics, The Chinese Academy of Sciences, Beijing 100039

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Abstract：
We study N and △ spectra by solving Schrodinger equation for the three quark system in the mixture of configurations. Besides the perturbative effect of usual one-gluon exchange, the nonperturbative effects of both color screening predicted by the LGT calculation and pion(sigma) exchange due to the chiral symmery breaking are also included in present quark-quark potential. The agreement of the baryonic spectra obtained with the experiment is improved.

References

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Chen Hong and Zhang Zongye. Nonperturbative Effect of Nonstrange Baryonic Spectrum[J]. Chinese Physics C, 1996, 20(10): 937-944.

Chen Hong and Zhang Zongye. Nonperturbative Effect of Nonstrange Baryonic Spectrum[J]. Chinese Physics C, 1996, 20(10): 937-944. shu

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

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