Unitary Symmetry and the Stability of $\Sigma$ Hypernuclei - INSPIRE

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Unitary Symmetry and the Stability of $\Sigma$ Hypernuclei

C.B. Dover
(
- Brookhaven
)
,
H. Feshbach
(
- MIT, LNS
)

1987

4 pages

Published in:

Phys.Rev.Lett. 59 (1987) 2539-2542

DOI:

10.1103/PhysRevLett.59.2539

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Abstract: (APS)

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 Λ and Σ hyperons. This may provide an explanation of the narrow widths of some hypernuclear excitations observed in the Σ continuum.

SIGMA: HYPERNUCLEUS
HYPERNUCLEUS: STABILITY
HYPERNUCLEUS: WIDTH
SYMMETRY: SU(3)
SELECTION RULE

References(20)

Figures(0)

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