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

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

${{\overline{\mathit \alpha}}_{{{-}}}}$ FOR ${{\overline{\mathit \Sigma}}^{-}}$ $\rightarrow$ ${{\overline{\mathit n}}}{{\mathit \pi}^{-}}$

INSPIRE   PDGID:
S019A01
VALUE ($ 10^{-2} $) EVTS DOCUMENT ID TECN  COMMENT
$-5.65$ $\pm0.47$ $\pm0.22$ 1.1M 1
ABLIKIM
2023BN
BES3 ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \Sigma}^{+}}{{\overline{\mathit \Sigma}}^{-}}$
1  ABLIKIM 2023BN uses production through ${{\mathit e}^{+}}$ ${{\mathit e}}$ $\rightarrow$ ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \Sigma}^{+}}{{\overline{\mathit \Sigma}}^{-}}$ with 10G ${{\mathit J / \psi}}$ events.
References