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${{\mathit \Xi}}$ DECAY PARAMETERS

See the ``Note on Baryon Decay Parameters'' in the neutron Listings.

${{\overline{\mathit \alpha}}}({{\overline{\mathit \Xi}}^{+}}$) for ${{\overline{\mathit \Xi}}^{+}}$ $\rightarrow$ ${{\overline{\mathit \Lambda}}}{{\mathit \pi}^{+}}$

INSPIRE   JSON  (beta) PDGID:

S022A00

S022A00 VALUE EVTS DOCUMENT ID TECN  COMMENT $0.374$ $\pm0.004$ ${}^{+0.003}_{-0.004}$ 123k ABLIKIM 2024 AR   BES3 ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \Xi}}{{\overline{\mathit \Xi}}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\overline{\mathit \Lambda}}}{{\mathit \pi}}{{\mathit \pi}}$ • • We do not use the following data for averages, fits, limits, etc. • • $0.371$ $\pm0.007$ $\pm0.002$ 73k ABLIKIM 2022 AD   BES3 ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \Xi}}{{\overline{\mathit \Xi}}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\overline{\mathit \Lambda}}}{{\mathit \pi}}{{\mathit \pi}}$ $0.355$ $\pm0.025$ $\pm0.002$ 5.4k ABLIKIM 2022 BE   BES3 ${{\mathit \psi}{(3686)}}$ $\rightarrow$ ${{\mathit \Xi}}{{\overline{\mathit \Xi}}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\overline{\mathit \Lambda}}}{{\mathit \pi}}{{\mathit \pi}}$

References

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