FK/fπ ratio from QCD sum rules

Seungho Choe, Su Houng Lee

Research output: Contribution to journalArticle

2 Citations (Scopus)

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.

Original languageEnglish
Pages (from-to)798-804
Number of pages7
JournalJournal of the Korean Physical Society
Volume32
Issue number6
Publication statusPublished - 1998 Dec 1

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sum rules
quantum chromodynamics
vector mesons
vacuum
decay

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

Choe, Seungho ; Lee, Su Houng. / FK/fπ ratio from QCD sum rules. In: Journal of the Korean Physical Society. 1998 ; Vol. 32, No. 6. pp. 798-804.
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FK/fπ ratio from QCD sum rules. / Choe, Seungho; Lee, Su Houng.

In: Journal of the Korean Physical Society, Vol. 32, No. 6, 01.12.1998, p. 798-804.

Research output: Contribution to journalArticle

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