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

See the note on ``Baryon Decay Parameters'' in the neutron Listings.

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

INSPIRE   PDGID:
S033ALS
VALUE EVTS DOCUMENT ID TECN  COMMENT
$\bf{ -0.55 \pm0.11}$ OUR AVERAGE
$-0.57$ $\pm0.10$ $\pm0.07$
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:
ABLIKIM 2019AX
PR D100 072004 Measurements of Weak Decay Asymmetries of $\Lambda_c^+\to pK_S^0$, $\Lambda\pi^+$, $\Sigma^+\pi^0$, and $\Sigma^0\pi^+$
BISHAI 1995
PL B350 256 Measurement of the Decay Asymmetry Parameters in ${{\mathit \Lambda}_{{c}}^{+}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}^{+}}$ and ${{\mathit \Lambda}_{{c}}^{+}}$ $\rightarrow$ ${{\mathit \Sigma}^{+}}{{\mathit \pi}^{0}}$