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${{\mathit \Lambda}_{{c}}^{+}}$, ${{\overline{\mathit \Lambda}}_{{c}}^{-}}$ $\mathit CP$-VIOLATING DECAY ASYMMETRIES

($\alpha $ + $\bar\alpha)/(\alpha −\bar\alpha$) in ${{\mathit \Lambda}_{{c}}^{+}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit e}^{+}}{{\mathit \nu}_{{e}}}$ , ${{\overline{\mathit \Lambda}}_{{c}}^{-}}$ $\rightarrow$ ${{\overline{\mathit \Lambda}}}{{\mathit e}^{-}}{{\overline{\mathit \nu}}_{{e}}}$

INSPIRE   PDGID:

S033ACP

This is zero if $\mathit CP$ is conserved.

VALUE DOCUMENT ID TECN  COMMENT $0.00$ $\pm0.03$ $\pm0.02$ HINSON 2005 CLEO ${{\mathit e}^{+}}{{\mathit e}^{-}}$ $\approx{}{{\mathit \Upsilon}{(4S)}}$

Conservation Laws:

$\mathit CP$ INVARIANCE

References:

HINSON 2005 PRL 94 191801 Improved Measurement of the Form-Factors in the Decay ${{\mathit \Lambda}_{{c}}^{+}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit e}^{+}}{{\mathit \nu}_{{e}}}$

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