${{\mathit \Lambda}}$ DECAY PARAMETERS

See the ``Note on Baryon Decay Parameters'' in the neutron Listings. Some early results have been omitted.

${{\overline{\mathit \alpha}}_{{{0}}}}$ $/$ ${{\mathit \alpha}_{{{+}}}}$ in ${{\overline{\mathit \Lambda}}}$ $\rightarrow$ ${{\overline{\mathit n}}}{{\mathit \pi}^{0}}$, ${{\overline{\mathit \Lambda}}}$ $\rightarrow$ ${{\overline{\mathit p}}}{{\mathit \pi}^{+}}$

INSPIRE   JSON  (beta) PDGID:
S018A1
VALUE EVTS DOCUMENT ID TECN  COMMENT
$\bf{ 0.876 {}^{+0.022}_{-0.020}}$ OUR AVERAGE  Error includes scale factor of 1.4.
$0.863$ $\pm0.014$ ${}^{+0.012}_{-0.008}$ 123k
ABLIKIM
2024AR
BES3 ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \Xi}}{{\overline{\mathit \Xi}}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\overline{\mathit \Lambda}}}{{\mathit \pi}}{{\mathit \pi}}$
$0.913$ $\pm0.028$ $\pm0.012$ 47k
ABLIKIM
2019BJ
BES3 ${{\mathit J / \psi}}$ to ${{\mathit \Lambda}}{{\overline{\mathit \Lambda}}}$
References