QCD-sum-rule analysis of meson-baryon coupling constants

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作者
Krippa, BV [1 ]
机构
[1] Russian Acad Sci, Inst Nucl Res, Moscow 117312, Russia
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O57 [原子核物理学、高能物理学];
学科分类号
070202 ;
摘要
The method of QCD sum rules is used to analyze pion-baryon and kaon-baryon coupling constants. The procedure is based on the meson-to-vacuum matrix element of the corresponding two-point correlation function. All terms up to those of dimension 5 are retained in the operator-product expansion. The values obtained for the coupling constants are in reasonable agreement with experimental data. The sources of uncertainties are analyzed.
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页码:260 / 263
页数:4
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