Effective Quark-Quark Interaction and Chiral Symmetry

Yu Youwen; Zhang Zongye; Shen Pengnian; Dai Lianrong

Chinese Physics C> 1995, Vol. 19> Issue(5) : 431-437

Effective Quark-Quark Interaction and Chiral Symmetry

Institute of High Energy Physics, Academia Sinica, Beijing 100039

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Abstract：
A modified effective quark-quark interaction, which include the exchange of four kinds of field, is derived from the chiral symmetry requirement. By using this modified quark-quark interaction, the ³S₁ and ¹S₀ phase shifts of N-N scattering is studied in a RGM framework. Both the ¹S₀ and ³S₁ phase shifts are in good agreement with the experimental data, especially the ¹S₀ phase shifts are improved a lot compared with the former calculations.

References

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N.Isgur,G.Karl,Phys.Rev.,D18（1978）4187;D19（1979）2653;D20（1979）1191;M.Oka.K.Yazaki,Prog.Theor.Phys,66（1981）556,572;A.Faessler,F.Fernandez,G.LubeckandK.Shimizu,Phys.Lett.,B112（1982）201;Nucl.Phys.A402（1983）555.[2]M.Gell-Mann.M.Levy,Nuovo Cimento,16（1960）705.[3]F.Fernandez,A.Valcarce,U.Straub,A.Faessler,J.phys,G19（1993）2013[4]K.Brauer,A.Faessler,F.Fernandez,K.Shimizu,Nucl.Phys,A507（1990）599.[5]R.A.Arndt,.D.Roper,R.A.Bryan,R.B.Clark,B.J.Verwest,P.Signell,Phys.Rev,D28（1983）97.

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Yu Youwen, Zhang Zongye, Shen Pengnian and Dai Lianrong. Effective Quark-Quark Interaction and Chiral Symmetry[J]. Chinese Physics C, 1995, 19(5): 431-437.

Yu Youwen, Zhang Zongye, Shen Pengnian and Dai Lianrong. Effective Quark-Quark Interaction and Chiral Symmetry[J]. Chinese Physics C, 1995, 19(5): 431-437. 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

Effective Quark-Quark Interaction and Chiral Symmetry

Corresponding author: Yu Youwen,

Institute of High Energy Physics, Academia Sinica, Beijing 100039

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

Abstract: A modified effective quark-quark interaction, which include the exchange of four kinds of field, is derived from the chiral symmetry requirement. By using this modified quark-quark interaction, the ³S₁ and ¹S₀ phase shifts of N-N scattering is studied in a RGM framework. Both the ¹S₀ and ³S₁ phase shifts are in good agreement with the experimental data, especially the ¹S₀ phase shifts are improved a lot compared with the former calculations.