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

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

${{\overline{\mathit \alpha}}_{{{0}}}}$ FOR ${{\overline{\mathit \Lambda}}}$ $\rightarrow$ ${{\overline{\mathit n}}}{{\mathit \pi}^{0}}$

INSPIRE   JSON  (beta) PDGID:
S018A00
VALUE EVTS DOCUMENT ID TECN  COMMENT
$\bf{ -0.675 \pm0.011}$ OUR AVERAGE  Error includes scale factor of 1.2.
$-0.668$ $\pm0.008$ ${}^{+0.006}_{-0.008}$ 123k
ABLIKIM
2024AR
BES3 ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \Xi}}{{\overline{\mathit \Xi}}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\overline{\mathit \Lambda}}}{{\mathit \pi}}{{\mathit \pi}}$
$-0.692$ $\pm0.016$ $\pm0.006$ 47k
ABLIKIM
2019BJ
BES3 ${{\mathit J / \psi}}$ to ${{\mathit \Lambda}}{{\overline{\mathit \Lambda}}}$
References