IS THE QUARK MASS RATIO MS/M AS LARGE AS 25

被引:37
作者
FUCHS, NH
SAZDJIAN, H
STERN, J
机构
[1] UNIV PARIS 11,INST PHYS NUCL,DIV PHYS THEOR,CNRS,UNITE RECH,F-91406 ORSAY,FRANCE
[2] UNIV PARIS 06,CNRS,PARIS,FRANCE
关键词
D O I
10.1016/0370-2693(90)91752-W
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The Dashen-Weinstein sum rule for deviations from the Goldberger-Treiman relation allows a measurement of ms/ m ̂. The present data indicate ms/ m ̂ ≤10.6±4.2, implying a considerably lower value of the condensate 〈qq̄〉 than usually belived. A new precision KN scattering experiment designed in view of a better determination of the coupling constants gΛNK and gΣNK is urgently called for. © 1990.
引用
收藏
页码:380 / 386
页数:7
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