${{\mathit \Xi}^{0}}$ DECAY PARAMETERS

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

$\mathit A_{CP}$ FOR ${{\mathit \Xi}^{0}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}^{0}}$, ${{\overline{\mathit \Xi}}^{0}}$ $\rightarrow$ ${{\overline{\mathit \Lambda}}}{{\mathit \pi}^{0}}$

INSPIRE   PDGID:
S023A00
$\mathit A_{CP}$ = (${{\mathit \alpha}}$ + ${{\overline{\mathit \alpha}}}$) $/$ (${{\mathit \alpha}}$ $−$ ${{\overline{\mathit \alpha}}}$)
VALUE ($ 10^{-3} $) EVTS DOCUMENT ID TECN  COMMENT
$-5.4$ $\pm6.5$ $\pm3.1$ 327k 1
ABLIKIM
2023AU
 BES3 ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \Xi}^{0}}{{\overline{\mathit \Xi}}^{0}}$
• • We do not use the following data for averages, fits, limits, etc. • •
$-7$ $\pm82$ $\pm25$ 1.9k 1
ABLIKIM
2023AD
 BES3 ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \Xi}^{0}}{{\overline{\mathit \Xi}}^{0}}$
1  Probing $\mathit CP$ symmetry and weak phases with entangled double-strange baryons.
References