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

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

INSPIRE   PDGID:

S033AC1

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

VALUE EVTS DOCUMENT ID TECN  COMMENT $\bf{ 0.020 \pm0.016}$ OUR AVERAGE $0.020$ $\pm0.007$ $\pm0.014$ 264k LI 2023 C BELL ${{\mathit e}^{+}}{{\mathit e}^{-}}$ at/near ${{\mathit \Upsilon}{(nS)}}$, n=1,...,5 $-0.07$ $\pm0.19$ $\pm0.24$ LINK 2006 A FOCS $\gamma $ A, ${{\overline{\mathit E}}}_{\gamma }${} $\approx{}$ 180 GeV

Conservation Laws:

$\mathit CP$ INVARIANCE

References

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