Published November 22, 1993
| Version v1
Journal article
Influence of CP violation on energy spectra in K± → π±π±π-+ decays
Description
Using the chiral σ-model with broken U(3)L x U(3)R symmetry we have calculated in the p4-approximation a difference between the slope parameters g+ and g- describing the energy distributions of ''odd'' pions in K+ → π+π+π- and K- → π-π-π+ decays. The result is: (g+ - g-)/(g+ + g-) = -(1.9±0.8)x10-2 s2s3 sin δ, where s2, s3 and δ are the parameters of the Kobayashi-Maskawa mixing matrix. (orig.)
Additional details
Publishing Information
- Journal Title
- Nuclear Physics. B
- Journal Volume
- 409
- Journal Issue
- 1
- Journal Page Range
- p. 87-104.
- ISSN
- 0550-3213
- CODEN
- NUPBBO
INIS
- Country of Publication
- Netherlands
- Country of Input or Organization
- Netherlands
- INIS RN
- 25019882
- Subject category
- S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
- Descriptors DEI
- CHIRAL SYMMETRY; CHIRALITY; CONFIGURATION MIXING; CORRECTIONS; CP INVARIANCE; DECAY AMPLITUDES; ENERGY SPECTRA; FEYNMAN DIAGRAM; FLAVOR MODEL; GLUON MODEL; KAONS; KAONS MINUS; KAONS PLUS; KOBAYASHI-MASKAWA MATRIX; LAGRANGIAN FIELD THEORY; SIGMA MODEL; SYMMETRY BREAKING; U-3 GROUPS; WEAK HADRONIC DECAY
- Descriptors DEC
- AMPLITUDES; BOSON-EXCHANGE MODELS; BOSONS; COMPOSITE MODELS; DECAY; DIAGRAMS; ELEMENTARY PARTICLES; FIELD THEORIES; HADRONS; INFORMATION; INTERACTIONS; INVARIANCE PRINCIPLES; LIE GROUPS; MATHEMATICAL MODELS; MATRICES; MESONS; PARTICLE DECAY; PARTICLE MODELS; PARTICLE PROPERTIES; PERIPHERAL MODELS; PSEUDOSCALAR MESONS; QUANTUM FIELD THEORY; QUARK MODEL; SPECTRA; STRANGE MESONS; STRANGE PARTICLES; SYMMETRY; SYMMETRY GROUPS; TRANSITION AMPLITUDES; U GROUPS; WEAK PARTICLE DECAY