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

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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