${{\boldsymbol \Lambda}{(1690)}}$ WIDTH INSPIRE search

VALUE (MeV) DOCUMENT ID TECN  COMMENT
$\bf{ 60\text{ to }80\text{ }(\approx70) }$ OUR ESTIMATE
$75$ $\pm5$
SARANTSEV
2019
DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel
$54$ $\pm5$
ZHANG
2013A
DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel
$67.2$ $\pm5.6$
KOISO
1985
DPWA ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Sigma}}{{\mathit \pi}}$
$61$ $\pm5$
GOPAL
1980
DPWA ${{\overline{\mathit K}}}$ ${{\mathit N}}$ $\rightarrow$ ${{\overline{\mathit K}}}{{\mathit N}}$
$64$ $\pm10$
ALSTON-GARNJO..
1978
DPWA ${{\overline{\mathit K}}}$ ${{\mathit N}}$ $\rightarrow$ ${{\overline{\mathit K}}}{{\mathit N}}$
$82$ $\pm8$
HEPP
1976B
DPWA ${{\mathit K}^{-}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \Sigma}}{{\mathit \pi}}$
$60$ $\pm4$
KANE
1974
DPWA ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Sigma}}{{\mathit \pi}}$
• • • We do not use the following data for averages, fits, limits, etc. • • •
$60$ $\pm5$
GOPAL
1977
DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel
$62$ or $62$ 1
MARTIN
1977
DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel
$38$
CARROLL
1976
DPWA Isospin-0 total $\sigma{}$
1  The two MARTIN 1977 values are from a T-matrix pole and from a Breit-Wigner fit. Another ${\mathit D}_{\mathrm 03}{{\mathit \Lambda}}$ at 1966 MeV is also suggested by MARTIN 1977 , but is very uncertain.
  References:
SARANTSEV 2019
EPJ A55 180 Hyperon II: Properties of excited hyperons
ZHANG 2013A
PR C88 035205 Multichannel Parametrization of ${{\mathit K}^{-}}{{\mathit N}}$ Scattering Amplitudes and Extraction of Resonance Parameters
KOISO 1985
NP A433 619 Search for the ${\mathit P}_{\mathrm 11}{{\mathit \Sigma}{(1660)}}$ Resonance in the Reactions ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Sigma}^{\pm}}{{\mathit \pi}^{\mp}}$ in the Momentum Range 597 to 888 ${\mathrm {MeV}}/\mathit c$
GOPAL 1980
Toronto Conf. 159 S = -1 Baryons: an Experimental Review
ALSTON-GARNJOST 1978
PR D18 182 Partial Wave Analysis of the ${{\overline{\mathit K}}}{{\mathit N}}$ System from 360 to 1320 ${\mathrm {MeV}}/\mathit c$
GOPAL 1977
NP B119 362 Partial Wave Analyses of ${{\overline{\mathit K}}}{{\mathit N}}$ Two Body Reactions between 1480 and 2170 MeV
MARTIN 1977
NP B127 349 ${{\overline{\mathit K}}}{{\mathit N}}$ Interactions in the Resonance Region. 3. Resonance Spectra
CARROLL 1976
PRL 37 806 Structures in ${{\mathit K}^{-}}$ Nucleon Total Cross Sections below 1.1 ${\mathrm {GeV/}}\mathit c$
HEPP 1976B
PL 65B 487 New Data on the Reaction ${{\mathit K}^{-}}$ ${{\mathit n}}$ $\rightarrow$ ( ${{\mathit \Sigma}}{{\mathit \pi}}){}^{-}$ and a Partial Wave Analysis of ${{\overline{\mathit K}}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \Sigma}}{{\mathit \pi}}$ in the Energy Range $1520 - 1745$ MeV
KANE 1974
LBL-2452 LBL-2452