Search results for "Dominance model"

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TheN-? transition form factor and anomalous?-decays into octet-decuplet baryon-antibaryon Pairs

1987

We develop a Generalized-Vector-Meson Dominance Model (GVDM) for the invariantN-Δ transition form factors which incorporates the correct largeq2 power behaviour of QCD and describes the available lowq2 space-like data. We then use this GVDM transition form factor in the time-like region to calculate theSU (3) singlet and octet contributions to Ψ-decays into octet-decuplet baryon-antibaryon pairs. The results are compared to recent data on Ψ-decays into octet-decuplet baryon-antibaryon pairs.

Quantum chromodynamicsPhysicsParticle physicsPhysics and Astronomy (miscellaneous)OctetHigh Energy Physics::LatticeDominance modelNuclear TheoryHigh Energy Physics::PhenomenologyForm factor (quantum field theory)BaryonNuclear physicsHigh Energy Physics::ExperimentSinglet stateNuclear ExperimentEngineering (miscellaneous)Zeitschrift f�r Physik C Particles and Fields

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