FORM-FACTOR OF RADIATIVE PION DECAY IN QCD

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ALIEV T., OVCHINNIKOV A.

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

• 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.