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用夸克模型探索π-N相互作用

A SEARCH FOR π-N INTERACTION BY QUARK MODEL

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【作者】 何启智杨建华程国均杨荣辅

【Author】 HE QI-ZHI (Sichuan University, Chengdu)YANG JIAN-HUA (Dalian Light Industry College)CHENG GUO-JUN (Sichuan University)YANG RONG-FU (Kashi Teacher College, Xinjiang)

【机构】 四川大学大连轻工业学院喀什师范学院

【摘要】 本文中用夸克模型,Warke近似,并作为补偿,在夸克唯象势中加入中程势(-1)T+JKre-r/a2,计算了π-N相互作用势,从此势计算了L2T,2J=S11,S31,P11,P31,P13和P33六种道的相移。在入射π介子动能Eπk(lab)=0—700MeV范围内,与由实验方法决定的相移进行了比较。

【Abstract】 By means of quark potential model and Warke approximation, and introducing as compensation intermediate potential (-1)T+JKrer/a2 in the phenomenological one gluon exchange quark interaction potential, the pion-nucleon interaction potential is calculated. The phase shifts of p-N scattering in the six channels S11, S31, P11, P31, P13, P33 are determined for the incident pion kinetic energy in the laboratory coordinate system up to 700 MeV. These results are compared with the experimentally determined phase shifts.

  • 【文献出处】 物理学报 ,Acta Physica Sinica , 编辑部邮箱 ,1985年01期
  • 【被引频次】1
  • 【下载频次】19
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