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Calculation of form factors of the radiative decay. pi -->. e. nu gamma. by the sum-rule method

Journal Article · · Sov. J. Nucl. Phys. (Engl. Transl.); (United States)
OSTI ID:6396274
A generalized operator expansion and the sum rules of quantum chromodynamics are used to calculate form factors of the radiative decay of the charged pion. For the ratio ..gamma.. = F/sub A/ (0)/F/sub V/ (0) we obtain a value ..gamma.. = 0.51 +- 0.13.
Research Organization:
Institute of Nuclear Research, USSR Academy of Sciences
OSTI ID:
6396274
Journal Information:
Sov. J. Nucl. Phys. (Engl. Transl.); (United States), Journal Name: Sov. J. Nucl. Phys. (Engl. Transl.); (United States) Vol. 48:4; ISSN SJNCA
Country of Publication:
United States
Language:
English