# ${{\boldsymbol \Lambda}{(1800)}}$ WIDTH INSPIRE search

VALUE (MeV) DOCUMENT ID TECN  COMMENT
$\bf{ 150\text{ to }250\text{ }(\approx200) }$ OUR ESTIMATE
$209$ $\pm18$
 2019
DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel
$256$ $\pm35$
 2013 A
DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel
$228$ $\pm20$
 1980
DPWA ${{\overline{\mathit K}}}$ ${{\mathit N}}$ $\rightarrow$ ${{\overline{\mathit K}}}{{\mathit N}}$
$185$ $\pm20$
 1978
DPWA ${{\overline{\mathit K}}}$ ${{\mathit N}}$ $\rightarrow$ ${{\overline{\mathit K}}}{{\mathit N}}$
$70$ $\pm15$
 1972
IPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel
• • • We do not use the following data for averages, fits, limits, etc. • • •
$518$ $\pm84$
 2002
DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel
$230$ $\pm20$
 1977
DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel
$435$ or $473$ 1
 1977
DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel
$40$
 1971
DPWA K-matrix analysis
$100$ $\pm20$
 1970 B
DPWA ${{\overline{\mathit K}}}$ ${{\mathit N}}$ $\rightarrow$ ${{\overline{\mathit K}}}{{\mathit N}}$
1  The two MARTIN 1977 values are from a T-matrix pole and from a Breit-Wigner fit.
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
 MANLEY 2002
PRL 88 012002 Properties of the ${{\mathit \Lambda}{(1670)}}{1\over 2}{}^{\text{-}}$ Resonance
 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
 LANGBEIN 1972
NP B47 477 An Energy Independent Coupled Channel Phase Shift Analysis for the ${{\overline{\mathit K}}}{{\mathit N}}$ System
 KIM 1971
PRL 27 356 ${{\overline{\mathit K}}}{{\mathit N}}$ Interaction in the Region 0 to 1200 ${\mathrm {MeV}}/\mathit c$ and Hyperon Resonances
 BRICMAN 1970B
PL 33B 511 ${{\overline{\mathit K}}}{{\mathit N}}$ Elastic Amplitudes between 1 and 1.3 ${\mathrm {GeV/}}\mathit c$