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

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

$\alpha _{+}$ FOR ${{\mathit \Sigma}^{+}}$ $\rightarrow$ ${{\mathit n}}{{\mathit \pi}^{+}}$

INSPIRE   JSON  (beta) PDGID:

S019A+

VALUE ($ 10^{-2} $) EVTS DOCUMENT ID TECN  COMMENT $\bf{ 4.89 \pm0.26}$ OUR FIT $\bf{ 4.9 \pm0.4}$ OUR AVERAGE  Error includes scale factor of 1.2. $4.81$ $\pm0.31$ $\pm0.19$ 754k 1 ABLIKIM 2023 BN BES3 ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \Sigma}^{+}}{{\overline{\mathit \Sigma}}^{-}}$ $3.7$ $\pm4.9$ 4101 BERLEY 1970 B HBC $6.9$ $\pm1.7$ 35k BANGERTER 1969 HBC ${{\mathit K}^{-}}{{\mathit p}}$ 0.4 ${\mathrm {GeV/}}\mathit c$ 1  ABLIKIM 2023BN uses production through ${{\mathit e}^{+}}$ ${{\mathit e}}$ $\rightarrow$ ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \Sigma}^{+}}{{\overline{\mathit \Sigma}}^{-}}$ with 10G ${{\mathit J / \psi}}$ events.

References

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