Physical Review Letters · 1981 · 116 citations · 20 references
Natural SciencesPhysicsNuclear PhysicsParticle PhysicsNuclear DecayQuantum Field TheoryFinal-state InteractionsGlueball PhysicsHadronic Decay AmplitudesLong-lived Nuclear StatesRare Particle Decays
Evidence is presented that there are at least two states near 1.4 GeV which decay to $\overline{K}K\ensuremath{\pi}$. One is $E(1420)$, an axial vector, and the other is $G(1440)$, probably a pseudoscalar. The pseudoscalar is likely to be a glueball.
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Spectroscopy of the New Mesons
Thomas Appelquist, A. De Rújula, H. David Politzer et al. · Physical Review Letters · 1975 · 294 citations · Full text
Observation of the radiative transition ψ → γE(1420)
D. L. Scharre, G. H. Trilling, G. S. Abrams et al. · Physics Letters B · 1980 · 190 citations · Full text
Mixing of pseudoscalar mesons and M1 radiative decays
Harald Fritzsch, J.D. Jackson · Physics Letters B · 1977 · 134 citations