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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.

${{\overline{\mathit \alpha}}_{{{-}}}}$ 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 2023 BN 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

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