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${\mathit{\Sigma }}^{+}$ DECAY PARAMETERS

See the ``Note on Baryon Decay Parameters'' in the neutron Listings. A few early results have been omitted.

${\bar{\alpha }}_{-}$ FOR ${\bar{\mathit{\Sigma }}}^{-}$ $\to$ $\bar{\mathit{n}}{\pi }^{-}$

INSPIRE   PDGID:

S019A01

VALUE (${10}^{-2}$) EVTS DOCUMENT ID TECN  COMMENT $-5.65$ $\pm 0.47$ $\pm 0.22$ 1.1M 1 ABLIKIM 2023 BN BES3 $\mathit{J}/\psi$ $\to$ ${\mathit{\Sigma }}^{+}{\bar{\mathit{\Sigma }}}^{-}$ 1  ABLIKIM 2023BN uses production through ${\mathit{e}}^{+}$ $\mathit{e}$ $\to$ $\mathit{J}/\psi$ $\to$ ${\mathit{\Sigma }}^{+}{\bar{\mathit{\Sigma }}}^{-}$ with 10G $\mathit{J}/\psi$ events.

References

ABLIKIM 2023BN PRL 131 191802 Test of $CP$ Symmetry in Hyperon to Neutron Decays

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