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

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

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

INSPIRE   PDGID:

S022A00

VALUE EVTS DOCUMENT ID TECN  COMMENT $0.371$ $\pm0.007$ $\pm0.002$ 73k ABLIKIM 2022 AD BES3 ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \Xi}}{{\overline{\mathit \Xi}}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\overline{\mathit \Lambda}}}{{\mathit \pi}}{{\mathit \pi}}$ • • We do not use the following data for averages, fits, limits, etc. • • $0.355$ $\pm0.025$ $\pm0.002$ 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:

ABLIKIM 2022BE PR D106 L091101 Observation of ${\mathrm{?}}^{-}$ hyperon transverse polarization in $?(3686)?{\mathrm{?}}^{-}{\overline{\mathrm{?}}}^{+}$ ABLIKIM 2022AD NAT 606 64 Probing CP symmetry and weak phases with entangled double-strange baryons

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