SPIN-ORBIT FORCE OF N-N INTERACTION IN QUARK POTENTIAL MODEL

  • The spin-orbit interactions between two quarks due to the one-gluon exchange,the confinement potential, the σ exchange of chiral field and the twogluon exchange are all considered in our calculation. As a consequence the spin-orbit splitting of 1P state in the baryon spectrum and the 3P2 phase shifts of the N-N scattering can be well explained simultaneously.
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  • [1] A.Barchielli,N.Brambilla,M.Prosperi,Nuovo Cimento,103A(1990)59;Dong Yubing,Yu Youwen,Zhang Zongye,Shen Pengnian.,Phys.Rev.,D49(1994)1642.[2]N.Isgur,G.karl.,Phys.Rev.,D19(1979)2653;Phys.Rev.,D20(1979)1191;Zhang Zongye,Yu Youwen,Shen Pengnian,Shen Xiaoyan and Dong Yubing.,Nucl.Phys.,A561(1993)595.[3]A.Faessler,F.Fernandez,G.Lbeck,K.Shimiizu.,Phys.Lett.,112B(1982)201;Nucl.Phys.,A402(1983)555;M.OkaK.Yazaki.,Phys.Lett.,90B(1980)41.[4]F.Fernandez,A.Valcarce,U.Straub,A.Faessler.The N-N Interation interms of Quark degrees of Freedom Nucl.Phys.,A(Tobepublished).[5]Zhang,Zongye,A.Faessler,U.Straub,L.Ya.Glozman.The Baryon-Baryon Interaction in a Modified Quark Model Nucl.Phys.,A(Tobepublished).[6]K.ShimizuRep.,Prog.Phys.,52(1989)1.[7]余文文、张宗烨、沈彭年、沈肖雁,高能物理与核物理,11(1992)1015.[8]齐利杰、张建华、张宗烨、余友文,高能物理与核物理,18(1994)757.[9]M.kamimura.,Prog.Theor.Phys.Suppl.,62(1977)236.[10]Review of Particle Properties.,Phys.Rev.,D(1992)PartⅡ,Vol.45,No.11.[11]A.Rechardetal.,Phys.Rev.,D28(1983)97.
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Zhang Jianhua, Qi Lijie, Shen Pengnian, Zhang Zongye and Yu Youwen. SPIN-ORBIT FORCE OF N-N INTERACTION IN QUARK POTENTIAL MODEL[J]. Chinese Physics C, 1995, 19(1): 87-92.
Zhang Jianhua, Qi Lijie, Shen Pengnian, Zhang Zongye and Yu Youwen. SPIN-ORBIT FORCE OF N-N INTERACTION IN QUARK POTENTIAL MODEL[J]. Chinese Physics C, 1995, 19(1): 87-92. shu
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Received: 1900-01-01
Revised: 1900-01-01
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SPIN-ORBIT FORCE OF N-N INTERACTION IN QUARK POTENTIAL MODEL

    Corresponding author: Zhang Jianhua,
  • Institute of High Energy Physics, The Chinese Academy of Sciences, Beijing 100039

Abstract: The spin-orbit interactions between two quarks due to the one-gluon exchange,the confinement potential, the σ exchange of chiral field and the twogluon exchange are all considered in our calculation. As a consequence the spin-orbit splitting of 1P state in the baryon spectrum and the 3P2 phase shifts of the N-N scattering can be well explained simultaneously.

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