Published December 1989
| Version v1
Journal article
K → ππγ in chiral Lagrangian approach
Description
The K+→π+π0γ and K0L,S→π+π-γ are reexamined in a simple chiral Lagrangian scheme. The inner bremsstrahlung part of the amplitude is well explained within a chiral Lagrangian approach supplemented by the 1/N expansion, while the direct emission term is generated by the effective Wess-Zumino term. The calculation of these terms does not affect the present knowledge of CP violating parameter in KL0→π+π-γ and also there is no implication on the K±→π±π0γ asymmetry parameter. (orig.)
Additional details
Publishing Information
- Journal Title
- Zeitschrift fuer Physik, C
- Journal Volume
- 45
- Journal Issue
- 2
- Series
- Z. Phys., C.
- Journal Page Range
- 293-296
- ISSN
- 0170-9739
- CODEN
- ZPCFD
INIS
- Country of Publication
- Germany
- Country of Input or Organization
- Germany
- INIS RN
- 21009096
- Subject category
- S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
- Resource subtype / Literary indicator
- Numerical Data
- Descriptors DEI
- BRANCHING RATIO; CHIRALITY; DECAY AMPLITUDES; FLAVOR MODEL; HAMILTONIANS; INTERNAL BREMSSTRAHLUNG; KAONS; KAONS NEUTRAL LONG-LIVED; KAONS NEUTRAL SHORT-LIVED; KAONS PLUS; LAGRANGIAN FIELD THEORY; NONLINEAR PROBLEMS; POWER SERIES; RADIATIVE DECAY; SIGMA MODEL; SU-3 GROUPS; SYMMETRY BREAKING; THEORETICAL DATA; WEAK HADRONIC DECAY
- Descriptors DEC
- AMPLITUDES; BOSON-EXCHANGE MODELS; BOSONS; BREMSSTRAHLUNG; COMPOSITE MODELS; DATA; DECAY; ELECTROMAGNETIC RADIATION; ELEMENTARY PARTICLES; FIELD THEORIES; HADRONS; INFORMATION; KAONS NEUTRAL; LIE GROUPS; MATHEMATICAL MODELS; MATHEMATICAL OPERATORS; MESONS; NUMERICAL DATA; PARTICLE DECAY; PARTICLE MODELS; PARTICLE PROPERTIES; PERIPHERAL MODELS; PSEUDOSCALAR MESONS; QUANTUM FIELD THEORY; QUANTUM OPERATORS; QUARK MODEL; RADIATIONS; SERIES EXPANSION; STRANGE MESONS; STRANGE PARTICLES; SU GROUPS; SYMMETRY GROUPS; TRANSITION AMPLITUDES; WEAK PARTICLE DECAY
Optional Information
- Contract/Grant/Project number
- Grant NSF JF 829