Effect of Negative Energy Component on Baryon Spectra

Dong Yubing

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《中国物理C》（英文）编辑部

2024年10月30日

Chinese Physics C> 1995, Vol. 19> Issue(2) : 178-184

Effect of Negative Energy Component on Baryon Spectra

Dong Yubing ^,

Institute of High Energy Physics.The Chinese Academy of Sciences,Beijing 100039

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Abstract：
Employing instantaneous Bethe-Salpeter equation and taking into account the correction of negative energy component of Dirac spinor to one-gluon exchange interaction,the calculation of the △,N baryon spectra is carriedout.We find that the effect changes the potential parameters significantly,but leaves the global structurs of spectrum almost untouched.

References

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S.N.Mukkerjee,R,Nag,S.Sanyal et al.,Phys.Rept.,231（1993）201;N.Isgur,G.Karl,Phys.Lett,72B（1977）109:74B（1978）353;Phys.Rev.,D18（1978）4187;D19（1979）2653;D.Gromes,I.O.Stamatescu,Nucl.Phys,B112（1976）213;Z.Phys,C3（1979）43.[2]Junchen Su,Zuoqun Chen,Shishu Wu,Nucl.Phys,A524（1991）615.[3]C.Itzrkson,R.Zuber,Quantum Field Theory,（McGraw-Hill,NewYork,1980）.[4]S.Ono,F.Schoberl,Phys.Lett,,B118（1982）419.[5]P.C.Tiemeiger,J.A.Tjon,Phys.Rev,,C48（1991）896.[6]S.Capstick,N.Isgur,Phys.Rev,D34（1986）2809;H.Leeb,H.Fiedeldey,E.J.O.Gavinetal,Few-Body Systems,12（1992）55;D.Plamm,F.Schoberl,Introduction the Quark Model of Elementary Particles,Volume1.NewYork:Gordon and Breach1986.[7]Dong Yubing,Su Junchen,Wu Shishu:“Calculation of baryon spectra on an improved quark model”,to be published in J.Phys.G.[8]E.Laermann.F.Langhammer,I.Schmitt,et al,Phys.Lett,B173（1986）457.[9]C.S.Kalman,B.Tran,NuovoCimento,102A（1989）835.[10]Particle Data Group;Review of Particle Properties:Phys.Rev,D4511-11（1992）1.

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Dong Yubing. Effect of Negative Energy Component on Baryon Spectra[J]. Chinese Physics C, 1995, 19(2): 178-184.

Dong Yubing. Effect of Negative Energy Component on Baryon Spectra[J]. Chinese Physics C, 1995, 19(2): 178-184. shu

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Received: 1900-01-01
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

Effect of Negative Energy Component on Baryon Spectra

Dong Yubing ^,

Corresponding author: Dong Yubing,

Institute of High Energy Physics.The Chinese Academy of Sciences,Beijing 100039

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1995-02-05

Abstract: Employing instantaneous Bethe-Salpeter equation and taking into account the correction of negative energy component of Dirac spinor to one-gluon exchange interaction,the calculation of the △,N baryon spectra is carriedout.We find that the effect changes the potential parameters significantly,but leaves the global structurs of spectrum almost untouched.