Unitary Symmetry and the Stability ofHypernuclei
- 30 November 1987
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 59 (22) , 2539-2542
- https://doi.org/10.1103/physrevlett.59.2539
Abstract
In the limit of unbroken SU(3) symmetry, we exhibit a selection rule which forbids the decay of certain hypernuclear states involving a coherent admixture of and hyperons. This may provide an explanation of the narrow widths of some hypernuclear excitations observed in the continuum.
Keywords
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