Quantum chromodynamics and the decay mode K/sup +/. --> pi. /sup +/e/sup +/e/sup -/
Journal Article
·
· Sov. J. Nucl. Phys. (Engl. Transl.); (United States)
OSTI ID:7118085
The matrix element for the decay mode K/sup +/..--> pi../sup +/e/sup +/e/sup -/ is considered. It is shown that the theoretical estimates which take into account gluon exchange effects at small distances within the framework of an asymptotically free theory of strong interactions agree with the experimental number. It is shown that the amplitude for the decay K/sup +/..--> pi../sup +/e/sup +/e/sup -/ is not dynamically enhanced, in distinction from the case of nonleptonic decays of K-mesons. Consequences of this fact for the various models of nonleptonic decays are considered.
- Research Organization:
- Institute for Theoretical and Experimental Physics, State Commission on Atomic Energy
- OSTI ID:
- 7118085
- Journal Information:
- Sov. J. Nucl. Phys. (Engl. Transl.); (United States), Journal Name: Sov. J. Nucl. Phys. (Engl. Transl.); (United States) Vol. 24:4; ISSN SJNCA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
645203* -- High Energy Physics-- Particle Interactions & Properties-Theoretical-- Weak Interactions & Properties
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
AMPLITUDES
ANTILEPTONS
ANTIMATTER
ANTIPARTICLES
BASIC INTERACTIONS
BOSONS
COLOR MODEL
COMPOSITE MODELS
DECAY
DECAY AMPLITUDES
ELECTRONS
ELEMENTARY PARTICLES
FERMIONS
GLUON MODEL
HADRONS
INTERACTIONS
KAONS
KAONS PLUS
LEPTONIC DECAY
LEPTONS
MATHEMATICAL MODELS
MESONS
PARTICLE DECAY
PARTICLE MODELS
PIONS
PIONS PLUS
POSITRONS
PSEUDOSCALAR MESONS
QUARK MODEL
STRANGE PARTICLES
TRANSITION AMPLITUDES
WEAK INTERACTIONS
WEAK PARTICLE DECAY
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
AMPLITUDES
ANTILEPTONS
ANTIMATTER
ANTIPARTICLES
BASIC INTERACTIONS
BOSONS
COLOR MODEL
COMPOSITE MODELS
DECAY
DECAY AMPLITUDES
ELECTRONS
ELEMENTARY PARTICLES
FERMIONS
GLUON MODEL
HADRONS
INTERACTIONS
KAONS
KAONS PLUS
LEPTONIC DECAY
LEPTONS
MATHEMATICAL MODELS
MESONS
PARTICLE DECAY
PARTICLE MODELS
PIONS
PIONS PLUS
POSITRONS
PSEUDOSCALAR MESONS
QUARK MODEL
STRANGE PARTICLES
TRANSITION AMPLITUDES
WEAK INTERACTIONS
WEAK PARTICLE DECAY