SUM-RULES FOR THE PION PARAMETERS AND VALUES OF THE 4-QUARK CONDENSATES

被引：0
|
作者：
KARTVELISHVILI, VG
MARGVELASHVILLI, MV
机构：
来源：
SOVIET JOURNAL OF NUCLEAR PHYSICS-USSR | 1990年 / 52卷 / 06期
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中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
On the basis of data on semileptonic decays of the tau lepton and using the Weinberg sum rules we carry out a phenomenological analysis of the sum rules for the axial form factor of the decay pi --> e-nu-gamma and for the electromagnetic mass difference of the pions. We determine the values of the four-quark condensates in the difference of the correlation functions of the vector and axial currents.
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页码：1083 / 1087
页数：5
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