Decay constant of eta-meson from QCD sum rule

Details Decay constant of eta-meson from QCD sum rule Decay constant of eta-meson from QCD sum rule

1998-07-20

arxiv.org/abs/hep-ph/9807429v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 1 figure

Scientific paper

Decay constant of eta-meson f is calculated on the basis of the QCD sum rule
method. An instanton contribution is taken into account. The result is f = 0.17
GeV.

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