A POSSIBLE SOLUTION TO THE E/ι PUZZLE
- 1 October 1987
- journal article
- Published by World Scientific Pub Co Pte Ltd in Modern Physics Letters A
- Vol. 2 (10) , 771-776
- https://doi.org/10.1142/s0217732387000963
Abstract
Apparent experimental conflict in the 1.4 GeV mass region for non-strange mesons can be resolved if there are three states: the 1.45 GeV ι, which is mainly gluonium; a 1.42 GeV 0− predominantly state, probably the missing η′ in the radially excited nonet; and a 1.42 GeV 1+ mainly light-quark state, which does not fit in the 1++ nonet. The third of these appears to be a possible candidate for a four-quark meson.Keywords
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