pdgLive Home   >   Baryon Summary Table   >   ${{\mathit \Sigma}^{+}}$   >   $\phi _{0}$ ANGLE FOR ${{\mathit \Sigma}^{+}}$ $\rightarrow$ ${{\mathit p}}{{\mathit \pi}^{0}}$ ($\phi _{0}$ = $\beta /\gamma $)

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

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

$\phi _{0}$ ANGLE FOR ${{\mathit \Sigma}^{+}}$ $\rightarrow$ ${{\mathit p}}{{\mathit \pi}^{0}}$ ($\phi _{0}$ = $\beta /\gamma $)

INSPIRE   JSON  (beta) PDGID:

S019F0

VALUE ($^\circ{}$) EVTS DOCUMENT ID TECN  COMMENT $\bf{ 36 \pm34}$ OUR AVERAGE $38.1$ ${}^{+35.7}_{-37.1}$ 1259 1 LIPMAN 1973 OSPK ${{\mathit \pi}^{+}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Sigma}^{+}}{{\mathit K}^{+}}$ $22$ $\pm90$ 2 HARRIS 1970 OSPK ${{\mathit \pi}^{+}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Sigma}^{+}}{{\mathit K}^{+}}$ 1  Decay proton scattered off aluminum. 2  Decay protons scattered off carbon.

References

Except where otherwise noted, content of the 2025 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. © 2025. See LBNL disclaimers.