Anomalies of quark diagrams in the decay eta. --> pi. /sup 0/. gamma gamma. and the quark structure of the scalar meson delta(980)
Journal Article
·
· Sov. J. Nucl. Phys. (Engl. Transl.); (United States)
OSTI ID:6237138
The width of the decay eta..--> pi../sup 0/..gamma gamma.. is calculated in the model of dominance of quark loop anomalies. We investigate the contribution of the scalar meson delta(980) for two versions of its quark structure: a) the delta meson is a /sup 2/P/sub 0/ state of a quark-antiquark pair, b) the delta meson is a quark molecule of the type qqqq. We discuss the results.
- Research Organization:
- Leningrad Polytechnic Institute
- OSTI ID:
- 6237138
- Journal Information:
- Sov. J. Nucl. Phys. (Engl. Transl.); (United States), Journal Name: Sov. J. Nucl. Phys. (Engl. Transl.); (United States) Vol. 36:2; ISSN SJNCA
- Country of Publication:
- United States
- Language:
- English
Similar Records
Scalar contribution to radiative decays of the eta meson. [eta. -->. pi. /sup 0/. gamma gamma. ,. pi. /sup +/. pi. /sup -/. pi. /sup 0/. gamma. ,. pi. /sup +/. pi. /sup -/. gamma gamma. ]
Decay eta. --> pi. /sup 0/. gamma gamma. in a model of mesons with quark loops
{phi}{yields}{pi}{sup 0}{eta}{gamma} and {phi}{yields}{pi}{sup 0}{pi}{sup 0}{gamma} decays and mixing between low and high mass scalar mesons
Journal Article
·
Mon Aug 01 00:00:00 EDT 1977
· Phys. Rev., D; (United States)
·
OSTI ID:7214152
Decay eta. --> pi. /sup 0/. gamma gamma. in a model of mesons with quark loops
Journal Article
·
Sun May 01 00:00:00 EDT 1983
· Sov. J. Nucl. Phys. (Engl. Transl.); (United States)
·
OSTI ID:5510808
{phi}{yields}{pi}{sup 0}{eta}{gamma} and {phi}{yields}{pi}{sup 0}{pi}{sup 0}{gamma} decays and mixing between low and high mass scalar mesons
Journal Article
·
Sat Sep 01 00:00:00 EDT 2007
· Physical Review. D, Particles Fields
·
OSTI ID:21027685
Related Subjects
645202* -- High Energy Physics-- Particle Interactions & Properties-Theoretical-- Electromagnetic Interactions & Properties
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BOSONS
COMPOSITE MODELS
DELTA-966 RESONANCES
ELEMENTARY PARTICLES
ETA MESONS
HADRONS
INTERACTIONS
MATHEMATICAL MODELS
MESON RESONANCES
MESONS
PARTICLE INTERACTIONS
PARTICLE MODELS
PARTICLE PROPERTIES
PARTICLE WIDTHS
PIONS
PIONS NEUTRAL
PSEUDOSCALAR MESONS
QUARK MODEL
QUARK-ANTIQUARK INTERACTIONS
RADIATIVE DECAY
RESONANCE PARTICLES
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BOSONS
COMPOSITE MODELS
DELTA-966 RESONANCES
ELEMENTARY PARTICLES
ETA MESONS
HADRONS
INTERACTIONS
MATHEMATICAL MODELS
MESON RESONANCES
MESONS
PARTICLE INTERACTIONS
PARTICLE MODELS
PARTICLE PROPERTIES
PARTICLE WIDTHS
PIONS
PIONS NEUTRAL
PSEUDOSCALAR MESONS
QUARK MODEL
QUARK-ANTIQUARK INTERACTIONS
RADIATIVE DECAY
RESONANCE PARTICLES