NUCLEON PROPERTIES FROM UNCONVENTIONAL INTERPOLATING FIELDS

被引:77
作者
LEINWEBER, DB [1 ]
机构
[1] OHIO STATE UNIV,DEPT PHYS,COLUMBUS,OH 43210
来源
PHYSICAL REVIEW D | 1995年 / 51卷 / 11期
基金
美国国家科学基金会;
关键词
D O I
10.1103/PhysRevD.51.6383
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Interpolating fields, used to excite hadrons from the QCD vacuum in nonperturbative field-theoretic investigations of hadron properties, are explored with an emphasis on unconventional nucleon interpolators. The QCD continuum model for excited state contributions to QCD correlation functions is a central element in extracting the physics contained in these alternate correlation functions. The analysis confirms the independence of nucleon properties obtained from different interpolating fields. However, this independence comes about in a trivial manner. These results provide a resolution to the long standing debate over the optimal nucleon interpolating field to be used in QCD sum rule analyses. © 1995 The American Physical Society.
引用
收藏
页码:6383 / 6393
页数:11
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