${{\mathit \Lambda}_{{{c}}}^{+}}$ DECAY PARAMETERS

See the review on ``Baryon Decay Parameters.''

$\alpha $ FOR ${{\mathit \Lambda}_{{{c}}}^{+}}$ $\rightarrow$ ${{\mathit \Sigma}^{+}}{{\mathit \pi}^{0}}$

INSPIRE   JSON  (beta) PDGID:
S033ALS
VALUE EVTS DOCUMENT ID TECN  COMMENT
$\bf{ -0.484 \pm0.027}$ OUR AVERAGE
$-0.48$ $\pm0.02$ $\pm0.02$ 7k
LI
2023A
 BELL ${{\mathit e}^{+}}{{\mathit e}^{-}}$ at/near ${{\mathit \Upsilon}{(nS)}}$, n=1,...,5
$-0.57$ $\pm0.10$ $\pm0.07$
ABLIKIM
2019AX
 BES3 ${{\mathit e}^{+}}{{\mathit e}^{-}}$ at 4.6 GeV
$-0.45$ $\pm0.31$ $\pm0.06$ 89
BISHAI
1995
CLE2 ${{\mathit e}^{+}}{{\mathit e}^{-}}$ $\approx{}{{\mathit \Upsilon}{(4S)}}$
References