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
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Related Subjects
645202* -- High Energy Physics-- Particle Interactions & Properties-Theoretical-- Electromagnetic Interactions & Properties
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ALGEBRAIC CURRENTS
ANTILEPTONS
ANTIMATTER
ANTIPARTICLES
AXIAL-VECTOR CURRENTS
BOSONS
CURRENTS
ELECTRONS
ELEMENTARY PARTICLES
EQUATIONS
FERMIONS
FIELD THEORIES
GAMMA SPECTRA
HADRONS
LEPTONS
MASSLESS PARTICLES
MESONS
NEUTRINOS
PHOTONS
PIONS
PIONS MINUS
PIONS PLUS
POSITRONS
PSEUDOSCALAR MESONS
QUANTUM CHROMODYNAMICS
QUANTUM FIELD THEORY
RADIATIVE DECAY
SPECTRA
SUM RULES
VECTOR CURRENTS
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ALGEBRAIC CURRENTS
ANTILEPTONS
ANTIMATTER
ANTIPARTICLES
AXIAL-VECTOR CURRENTS
BOSONS
CURRENTS
ELECTRONS
ELEMENTARY PARTICLES
EQUATIONS
FERMIONS
FIELD THEORIES
GAMMA SPECTRA
HADRONS
LEPTONS
MASSLESS PARTICLES
MESONS
NEUTRINOS
PHOTONS
PIONS
PIONS MINUS
PIONS PLUS
POSITRONS
PSEUDOSCALAR MESONS
QUANTUM CHROMODYNAMICS
QUANTUM FIELD THEORY
RADIATIVE DECAY
SPECTRA
SUM RULES
VECTOR CURRENTS