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

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

$\alpha $ FOR ${{\mathit \Xi}_{{c}}^{0}}$ $\rightarrow$ ${{\mathit \Sigma}^{+}}{{\mathit K}^{*}{(892)}^{-}}$

INSPIRE   PDGID:

S048A03

VALUE EVTS DOCUMENT ID TECN  COMMENT $-0.52$ $\pm0.30$ $\pm0.02$ 373 1 JIA 2021 BELL ${{\mathit e}^{+}}{{\mathit e}^{-}}$ at ${{\mathit \Upsilon}{(nS)}}$ 1  JIA 2021 measures $\alpha $( ${{\mathit \Xi}_{{c}}^{0}}$ $\rightarrow$ ${{\mathit \Sigma}^{+}}{{\overline{\mathit K}}^{*}{(892)}^{-}}$ ) $\alpha $( ${{\mathit \Sigma}^{+}}$ $\rightarrow$ ${{\mathit p}}{{\mathit \pi}^{0}}$ ) = $0.514$ $\pm0.295$ $\pm0.012$, and uses $\alpha $( ${{\mathit \Sigma}^{+}}$ $\rightarrow$ ${{\mathit p}}{{\mathit \pi}^{0}}$ ) = $-0.980$ $\pm0.017$.

References:

JIA 2021 JHEP 2106 160 Measurements of branching fractions and asymmetry parameters of $\Xi^0_c\to \Lambda\bar K^{*0}$, $\Xi^0_c\to \Sigma^0\bar K^{*0}$, and $\Xi^0_c\to \Sigma^+K^{*-}$ decays at Belle

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