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

INSPIRE   PDGID:
B079W
VALUE (MeV) DOCUMENT ID TECN  COMMENT
$\bf{ 100\text{ to }300\text{ }(\approx200) }$ OUR ESTIMATE
$300$ ${}^{+140}_{-40}$
SARANTSEV
2019
DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel
$121$ ${}^{+4}_{-7}$
GAO
2012
DPWA ${{\overline{\mathit K}}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}}$
$81.5$ $\pm22.2$ 1
KOISO
1985
DPWA ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Sigma}}{{\mathit \pi}}$
$152$ $\pm20$
GOPAL
1980
DPWA ${{\overline{\mathit K}}}$ ${{\mathit N}}$ $\rightarrow$ ${{\overline{\mathit K}}}{{\mathit N}}$
$38$ $\pm10$
ALSTON-GARNJO..
1978
DPWA ${{\overline{\mathit K}}}$ ${{\mathit N}}$ $\rightarrow$ ${{\overline{\mathit K}}}{{\mathit N}}$
$230$ ${}^{+165}_{-60}$
VANHORN
1975
DPWA ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}^{0}}$
$250$ $\pm110$
KANE
1974
DPWA ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Sigma}}{{\mathit \pi}}$
• • We do not use the following data for averages, fits, limits, etc. • •
$120$ $\pm20$
GOPAL
1977
DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel
$202$ or $217$ 2
MARTIN
1977
DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel
$80$ $\pm40$ 3
BAILLON
1975
IPWA ${{\overline{\mathit K}}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}}$
$81$ $\pm10$ 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