Chinese Physics C > 1998, Vol. 22 > Issue(2): 141-147

Study of the (N)Channel Coupling Effect in Quark Model

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

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Abstract：
The coupling effect of (N) channel on the N-N scattering is studied by solving a coupled channel RGM(Resonating Group Method) equation in the quark-SU(3) chiral model. The results indicate that the coupling between 1S0 (NN) and 5 D0 (N) is important in explaining the NN 1S0 phase shifts, and the influence of the (N) channel coupling to the N-N higher partial wave scattering is small.

References

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Green A M, Haapakoski P. Nucl.Phys.,1974,A221:429; Haapakoski P. Phys. Lett.,1974,B48:307; Green A M, Niskanen J A. Nucl.Phys.,1975.A249:493;Faessler A, Muther H,Shimizu K et al.Nucl.Phys.,1980,A333:428[2]Valcarce A,Faessler A,Femandez F. Phys. Lett.,1995,B345:367[3]Zhang Z Y,Yu Y W,Dai L R High Energ.Phys.and Nucl.Phys.（in Chinese）,1996,20:363（张宗烨, 余友文, 戴连荣. 高能物理与核物理, 1996,20:363）[4]Zhang Z Y,Yu Y W,Shen P N et al.IHEP-TH-96-25[5]Oka M, Yazaki K.Prog.Theor. Phys.,1981,66:556:572; Faessler A, Femandez F, Lubeck Getal. Nucl. Phys.,1983,A402:555; Brauer K,Faessler A, Femandez F et al.Nucl, Phys.,1990,A507:599[6]Amdt R A,Strukovsky II,Workman R L.Phys.Rev.,1994.C50:2731[7]Fernandez F,Valcarce A,Straub U et al.J. Phys.,1993,G19:2013[8]Yu Y W,Zhang Z Y,Shen P N et al.Phys.Rev.,1995,C52;3393[9]Fujiwara Y,Nakamoto C, Suzuki Y.Phys. Rev. Lett,1996,76:2242[10]Zhang Z Y,Faessler A,Straub U et al.Nucl.Phys.,1994,A578:573

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Dai Lianrong, Shen Pengnian, Zhang Zongye and Yu Youwen. Study of the (N)Channel Coupling Effect in Quark Model[J]. Chinese Physics C, 1998, 22(2): 141-147.

Dai Lianrong, Shen Pengnian, Zhang Zongye and Yu Youwen. Study of the (N)Channel Coupling Effect in Quark Model[J]. Chinese Physics C, 1998, 22(2): 141-147. 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

Study of the (N)Channel Coupling Effect in Quark Model

Corresponding author:Dai Lianrong,

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

Received Date:1900-01-01
Accepted Date:1900-01-01
Available Online:1998-02-05

Abstract:The coupling effect of (N) channel on the N-N scattering is studied by solving a coupled channel RGM(Resonating Group Method) equation in the quark-SU(3) chiral model. The results indicate that the coupling between 1S0 (NN) and 5 D0 (N) is important in explaining the NN 1S0 phase shifts, and the influence of the (N) channel coupling to the N-N higher partial wave scattering is small.