Effects of Negative Energy Components on N and Δ Spectra

Dong Yubing

Chinese Physics C> 1995, Vol. 19> Issue(S2) : 191-197

Effects of Negative Energy Components on N and Δ Spectra

Dong Yubing

Institute of High Energy Physics, The Chinese Academy of Sciences, Beijing, China

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Abstract：
By means of the instantaneous Bethe-Salpeter equation, the effect of negative energy components of the Dirac spinor on the one-gluon exchange interaction is studied. Through the calculation of the N and Δ baryon spectra. One sees that the inclusion of the negative-energy components changes the potential parameters significantly, especially for α_s. However the global structure of the spectrum is almost untouched.
- baryon spectrum ,
- negative energy component ,
- Bethe-Salpeter equation
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Dong Yubing. Effects of Negative Energy Components on N and Δ Spectra[J]. Chinese Physics C, 1995, 19(S2): 191-197.

Dong Yubing. Effects of Negative Energy Components on N and Δ Spectra[J]. Chinese Physics C, 1995, 19(S2): 191-197. shu

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Received: 1993-11-22

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沈阳化工大学材料科学与工程学院沈阳 110142

Effects of Negative Energy Components on N and Δ Spectra

Dong Yubing

Institute of High Energy Physics, The Chinese Academy of Sciences, Beijing, China

Received Date: 1993-11-22

Abstract: By means of the instantaneous Bethe-Salpeter equation, the effect of negative energy components of the Dirac spinor on the one-gluon exchange interaction is studied. Through the calculation of the N and Δ baryon spectra. One sees that the inclusion of the negative-energy components changes the potential parameters significantly, especially for α_s. However the global structure of the spectrum is almost untouched.