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

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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 2013 A 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.

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