${{\boldsymbol \Sigma}^{+}}$ DECAY PARAMETERS

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

$\alpha _{+}$ FOR ${{\boldsymbol \Sigma}^{+}}$ $\rightarrow$ ${{\boldsymbol n}}{{\boldsymbol \pi}^{+}}$ INSPIRE search

VALUE EVTS DOCUMENT ID TECN  COMMENT
$\bf{ 0.068 \pm0.013}$ OUR FIT
$\bf{ 0.066 \pm0.016}$ OUR AVERAGE
$0.037$ $\pm0.049$ 4101
BERLEY
1970B
HBC
$0.069$ $\pm0.017$ 35k
BANGERTER
1969
HBC ${{\mathit K}^{-}}{{\mathit p}}$ 0.4 ${\mathrm {GeV/}}\mathit c$
  References:
BERLEY 1970B
PR D1 2015 Decay Parameters in the Nonleptonic Decay Modes of the Charged ${{\mathit \Sigma}}$ Hyperons
BANGERTER 1969
Thesis UCRL 19244 Nonleptonic Decay of ${{\mathit \Sigma}}$ Hyperons