${{\mathit \Lambda}{(1820)}}$ WIDTH

INSPIRE   PDGID:
B039W
VALUE (MeV) DOCUMENT ID TECN  COMMENT
$\bf{ 70\text{ to }90\text{ }(\approx80) }$ OUR ESTIMATE
$80$ $\pm8$
SARANTSEV
2019
DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel
$89$ $\pm2$
ZHANG
2013A
DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel
$77$ $\pm5$
GOPAL
1980
DPWA ${{\overline{\mathit K}}}$ ${{\mathit N}}$ $\rightarrow$ ${{\overline{\mathit K}}}{{\mathit N}}$
$72$ $\pm5$
ALSTON-GARNJO..
1978
DPWA ${{\overline{\mathit K}}}$ ${{\mathit N}}$ $\rightarrow$ ${{\overline{\mathit K}}}{{\mathit N}}$
$87$ $\pm3$
KANE
1974
DPWA ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Sigma}}{{\mathit \pi}}$
• • We do not use the following data for averages, fits, limits, etc. • •
$82$
DECLAIS
1977
DPWA ${{\overline{\mathit K}}}$ ${{\mathit N}}$ $\rightarrow$ ${{\overline{\mathit K}}}{{\mathit N}}$
$81$ $\pm5$
GOPAL
1977
DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel
$76$ or $76$ 1
MARTIN
1977
DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel
1  The two MARTIN 1977 values are from a T-matrix pole and from a Breit-Wigner fit.
References