FORM-FACTOR OF RADIATIVE PION DECAY IN QCD


ALIEV T., OVCHINNIKOV A.

MODERN PHYSICS LETTERS A, vol.6, no.25, pp.2327-2334, 1991 (SCI-Expanded) identifier

  • Publication Type: Article / Article
  • Volume: 6 Issue: 25
  • Publication Date: 1991
  • Doi Number: 10.1142/s0217732391002736
  • Journal Name: MODERN PHYSICS LETTERS A
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Academic Search Premier, INSPEC, zbMATH
  • Page Numbers: pp.2327-2334
  • Middle East Technical University Affiliated: No

Abstract

Axial form-factor of the radiative decay of charged pion is calculated using QCD sum rules method for non-diagonal correlator. For the ratio gamma = F(A)(0)/F(V)(0) we find gamma = 0.6 +/- 0.15.