Coupling constants g alpha(0)omega gamma and g alpha(0)p gamma as derived from QCD sum rules


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Gokalp A., Yilmaz O.

EUROPEAN PHYSICAL JOURNAL C, cilt.22, sa.2, ss.323-326, 2001 (SCI İndekslerine Giren Dergi) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 22 Konu: 2
  • Basım Tarihi: 2001
  • Doi Numarası: 10.1007/s100520100801
  • Dergi Adı: EUROPEAN PHYSICAL JOURNAL C
  • Sayfa Sayıları: ss.323-326

Özet

We consider the two point correlation function of a scalar current in the QCD sum rule approach to estimate the overlap amplitude of the a(o)-meson. We then employ QCD sum rules to calculate the coupling constants g(omegaaogamma) and g(rhoaogamma) by studying the three point a(o)omegagamma- and a(o)rhogamma-correlation functions.