pdgLive Home   >   ${{\mathit \Sigma}}$ BARYONS ($\mathit S$ = $-1$, $\mathit I$ = 1)   >   ${{\mathit \Sigma}{(1670)}}$   >   ${{\mathit \Sigma}{(1670)}}$ MASS

${{\mathit \Sigma}{(1670)}}$ MASS

INSPIRE   JSON  (beta) PDGID:

B044M

VALUE (MeV) DOCUMENT ID TECN  COMMENT $\bf{ 1665\text{ to }1685\text{ }(\approx1675) }$ OUR ESTIMATE $1665$ $\pm3$ SARANTSEV 2019 DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel $1678$ $\pm2$ ZHANG 2013 A DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel $1673$ $\pm1$ GAO 2012 DPWA ${{\overline{\mathit K}}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}}$ $1665.1$ $\pm4.1$ KOISO 1985 DPWA ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Sigma}}{{\mathit \pi}}$ $1682$ $\pm5$ GOPAL 1980 DPWA ${{\overline{\mathit K}}}$ ${{\mathit N}}$ $\rightarrow$ ${{\overline{\mathit K}}}{{\mathit N}}$ $1679$ $\pm10$ ALSTON-GARNJO.. 1978 DPWA ${{\overline{\mathit K}}}$ ${{\mathit N}}$ $\rightarrow$ ${{\overline{\mathit K}}}{{\mathit N}}$ $1670$ $\pm5$ GOPAL 1977 DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel $1670$ $\pm6$ HEPP 1976 B DPWA ${{\mathit K}^{-}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \Sigma}}{{\mathit \pi}}$ $1685$ $\pm20$ BAILLON 1975 IPWA ${{\overline{\mathit K}}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}}$ $1659$ ${}^{+12}_{-5}$ VANHORN 1975 DPWA ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}^{0}}$ $1670$ $\pm2$ KANE 1974 DPWA ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Sigma}}{{\mathit \pi}}$ • • We do not use the following data for averages, fits, limits, etc. • • $1667$ or $1668$ 1 MARTIN 1977 DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel $1650$ DEBELLEFON 1976 IPWA ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}^{0}}$ $1671$ $\pm3$ PONTE 1975 DPWA ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}^{0}}$ (sol. 1) $1655$ $\pm2$ PONTE 1975 DPWA ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}^{0}}$ (sol. 2) 1  The two MARTIN 1977 values are from a T-matrix pole and from a Breit-Wigner fit.

References