Published May 1976
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Possible existence of the ω' meson around 1.2 GeV and radiative decays of vector mesons
Description
SU(3) symmetry breaking in the radiative decay of vector mesons and the deviation from rho-ω universality in hadronic vertices indicate an enhanced gauge-type (or f-type) coupling of the ω meson. The SU(3) chare operator dominated by vector mesons together with the OZI-rule then require a cancelling ω' pole around 1.2 GeV, which may be identified with the second pole in the nucleon isoscalar form factor. (orig.)
Availability note (English)
MF available from INIS under the Report Number.Abstract (German)
SU(3)-Symmetrieaufbrueche beim Strahlungszerfall von Vektormesonen und die Abweichung von der rho-ω-Universalitaet in hadronischen Vertizes weisen auf eine verstaerkte Eich- (oder f-) Kopplung des ω-Mesons hin. Der durch Vektormesonen bestimmte SU(3)-Ladungsoperator und die OZI-Regel machen dann einen ausloeschenden ω' Pol um 1,2 GeV erforderlich, der mit dem zweiten Pol im isoskalaren Nukleonenformfaktor identifiziert werden kann. (orig.)
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Additional details
Publishing Information
- Imprint Pagination
- 7 p.
- Report number
- DESY--76/23
INIS
- Country of Publication
- Germany
- Country of Input or Organization
- Germany
- INIS RN
- 7267148
- Subject category
- S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
- Descriptors DEI
- ELECTROMAGNETIC FORM FACTORS; ELECTRON-POSITRON INTERACTIONS; GEV RANGE 01-10; INTEGRAL CROSS SECTIONS; NUCLEONS; OMEGA-784 RESONANCES; PARTICLE DECAY; PARTICLE PRODUCTION; PHI-1019 RESONANCES; PHOTONS; PIONS; RHO-765 RESONANCES; SU-3 GROUPS; SYMMETRY BREAKING; VECTOR DOMINANCE MODEL; VECTOR MESONS
- Descriptors DEC
- BARYONS; BOSONS; CROSS SECTIONS; DECAY; ELEMENTARY PARTICLES; ENERGY RANGE; FERMIONS; FORM FACTORS; GEV RANGE; HADRONS; INTERACTIONS; LEPTON-LEPTON INTERACTIONS; LIE GROUPS; MASSLESS PARTICLES; MATHEMATICAL MODELS; MESON RESONANCES; MESONS; PARTICLE INTERACTIONS; PARTICLE MODELS; PARTICLE PROPERTIES; PSEUDOSCALAR MESONS; RESONANCE PARTICLES; SU GROUPS; SYMMETRY GROUPS
Optional Information
- Notes
- 1 fig.; 1 tab.; 13 refs.