pdgLive Home   >   Baryon Summary Table   >   ${{\mathit \Sigma}^{+}}$   >   (${{\mathit \alpha}_{{{+}}}}$ + ${{\overline{\mathit \alpha}}_{{{-}}}}$) $/$ (${{\mathit \alpha}_{{{+}}}}$ $−$ ${{\overline{\mathit \alpha}}_{{{-}}}}$)

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

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

(${{\mathit \alpha}_{{{+}}}}$ + ${{\overline{\mathit \alpha}}_{{{-}}}}$) $/$ (${{\mathit \alpha}_{{{+}}}}$ $−$ ${{\overline{\mathit \alpha}}_{{{-}}}}$)

INSPIRE   PDGID:

S019A03

VALUE ($ 10^{-2} $) DOCUMENT ID TECN  COMMENT $-8.0$ $\pm5.2$ $\pm2.8$ ABLIKIM 2023 BN BES3 ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \Sigma}^{+}}{{\overline{\mathit \Sigma}}^{-}}$

References

Except where otherwise noted, content of the 2024 Review of Particle Physics is licensed under a Creative Commons Attribution 4.0 International (CC BY 4.0) license. The publication of the Review of Particle Physics is supported by US DOE, MEXT (Japan), INFN (Italy) and CERN. Individual collaborators receive support for their PDG activities from their respective institutes or funding agencies. © 2024. See LBNL disclaimers.