FK/fπ ratio from QCD sum rules

Seungho Choe; Su Houng Lee

F_K/fπ ratio from QCD sum rules

Seungho Choe, Su Houng Lee

Department of Physics

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

1 Citation (Scopus)

Abstract

Using the correlation function of the axial vector mesons, we present a QCD sum rule calculation for the decay constants f_π and f_K. Our calculations are only weakly dependent on the SU(3)-breaking parameter for the QCD vacuum and give the ratio f_K/f_π = 1.11 ± 0.02.

Original language	English
Pages (from-to)	798-804
Number of pages	7
Journal	Journal of the Korean Physical Society
Volume	32
Issue number	6
Publication status	Published - 1998

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

Cite this

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title = "FK/fπ ratio from QCD sum rules",

abstract = "Using the correlation function of the axial vector mesons, we present a QCD sum rule calculation for the decay constants fπ and fK. Our calculations are only weakly dependent on the SU(3)-breaking parameter for the QCD vacuum and give the ratio fK/fπ = 1.11 ± 0.02.",

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year = "1998",

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TY - JOUR

T1 - FK/fπ ratio from QCD sum rules

AU - Choe, Seungho

AU - Lee, Su Houng

PY - 1998

Y1 - 1998

N2 - Using the correlation function of the axial vector mesons, we present a QCD sum rule calculation for the decay constants fπ and fK. Our calculations are only weakly dependent on the SU(3)-breaking parameter for the QCD vacuum and give the ratio fK/fπ = 1.11 ± 0.02.

AB - Using the correlation function of the axial vector mesons, we present a QCD sum rule calculation for the decay constants fπ and fK. Our calculations are only weakly dependent on the SU(3)-breaking parameter for the QCD vacuum and give the ratio fK/fπ = 1.11 ± 0.02.

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M3 - Article

AN - SCOPUS:0032364783

SN - 0374-4884

VL - 32

SP - 798

EP - 804

JO - Journal of the Korean Physical Society

JF - Journal of the Korean Physical Society

IS - 6

ER -

F_K/fπ ratio from QCD sum rules

Abstract

All Science Journal Classification (ASJC) codes

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