${{\mathit \Sigma}{(1660)}}$ MASS

INSPIRE   JSON  (beta) PDGID:
B079M
VALUE (MeV) DOCUMENT ID TECN  COMMENT
$\bf{ 1640\text{ to }1680\text{ }(\approx1660) }$ OUR ESTIMATE
$1665$ $\pm20$
SARANTSEV
2019
DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel
$1633$ $\pm3$
GAO
2012
DPWA ${{\overline{\mathit K}}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}}$
$1665.1$ $\pm11.2$ 1
KOISO
1985
DPWA ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Sigma}}{{\mathit \pi}}$
$1670$ $\pm10$
GOPAL
1980
DPWA ${{\overline{\mathit K}}}$ ${{\mathit N}}$ $\rightarrow$ ${{\overline{\mathit K}}}{{\mathit N}}$
$1679$ $\pm10$
ALSTON-GARNJO..
1978
DPWA ${{\overline{\mathit K}}}$ ${{\mathit N}}$ $\rightarrow$ ${{\overline{\mathit K}}}{{\mathit N}}$
$1668$ $\pm25$
VANHORN
1975
DPWA ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}^{0}}$
$1670$ $\pm20$
KANE
1974
DPWA ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Sigma}}{{\mathit \pi}}$
• • We do not use the following data for averages, fits, limits, etc. • •
$1676$ $\pm15$
GOPAL
1977
DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel
$1565$ or $1597$ 2
MARTIN
1977
DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel
$1660$ $\pm30$ 3
BAILLON
1975
IPWA ${{\overline{\mathit K}}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}}$
$1671$ $\pm2$ 4
PONTE
1975
DPWA ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}^{0}}$
1  The evidence of KOISO 1985 is weak.
2  The two MARTIN 1977 values are from a T-matrix pole and from a Breit-Wigner fit.
3  From solution 1 of BAILLON 1975; not present in solution 2.
4  From solution 2 of PONTE 1975; not present in solution 1.
References