gΚΝΛ and gΚΝΣ from QCD sum rules

Seungho Choe; Myung Ki Cheoun; Su Houng Lee

doi:10.1103/PhysRevC.53.1363

g_ΚΝΛ and g_ΚΝΣ from QCD sum rules

Seungho Choe, Myung Ki Cheoun, Su Houng Lee

Department of Energy and Science and Engineering

Yonsei University

Research output: Contribution to journal › Article › peer-review

35 Scopus citations

Abstract

g_ΚΝΛ and g_ΚΝΣ are calculated using a QCD sum rule motivated method used by Reinders, Rubinstein, and Yazaki to extract hadron couplings to Goldstone bosons. The SU(3) symmetry breaking effects are taken into account by including the contributions from the strange quark mass and assuming different values for the strange and the up-down quark condensates. We find g_ΚΝΛ/√4π=-1.96 and g_ΚΝΣ/√4π=0.33.

Original language	English
Pages (from-to)	1363-1367
Number of pages	5
Journal	Physical Review C - Nuclear Physics
Volume	53
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevC.53.1363
State	Published - Mar 1996

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abstract = "gΚΝΛ and gΚΝΣ are calculated using a QCD sum rule motivated method used by Reinders, Rubinstein, and Yazaki to extract hadron couplings to Goldstone bosons. The SU(3) symmetry breaking effects are taken into account by including the contributions from the strange quark mass and assuming different values for the strange and the up-down quark condensates. We find gΚΝΛ/√4π=-1.96 and gΚΝΣ/√4π=0.33.",

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year = "1996",

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AB - gΚΝΛ and gΚΝΣ are calculated using a QCD sum rule motivated method used by Reinders, Rubinstein, and Yazaki to extract hadron couplings to Goldstone bosons. The SU(3) symmetry breaking effects are taken into account by including the contributions from the strange quark mass and assuming different values for the strange and the up-down quark condensates. We find gΚΝΛ/√4π=-1.96 and gΚΝΣ/√4π=0.33.

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g_ΚΝΛ and g_ΚΝΣ from QCD sum rules

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