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

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

$\alpha $ FOR ${{\overline{\mathit \Xi}}^{0}}$ $\rightarrow$ ${{\overline{\mathit \Lambda}}}{{\mathit \pi}^{0}}$ INSPIRE search

S023A03

VALUE

EVTS

DOCUMENT ID

TECN

COMMENT

$0.3790$ $\pm0.0034$ $\pm0.0021$

327k

BES3

${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \Xi}^{0}}{{\overline{\mathit \Xi}}^{0}}$

• • • We do not use the following data for averages, fits, limits, etc. • • •

$0.363$ $\pm0.042$ $\pm0.013$

1.9k

BES3

${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \Xi}^{0}}{{\overline{\mathit \Xi}}^{0}}$

References:

ABLIKIM

PR D108 L011101

First simultaneous measurement of

?^{0}

and

{\overset{�}{?}}^{0}

asymmetry parameters in

? (3686)

decay

PR D108 L031106

Tests of $CP$ symmetry in the entangled $\Xi^0-\bar{\Xi}^0$ Pairs