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${{\mathit \Lambda}{(1800)}}$ MASS

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B036M

VALUE (MeV) DOCUMENT ID TECN  COMMENT $\bf{ 1750\text{ to }1850\text{ }(\approx1800) }$ OUR ESTIMATE $1811$ $\pm10$ SARANTSEV 01   DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel $1783$ $\pm19$ ZHANG 01 A   DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel $1841$ $\pm10$ GOPAL 98   DPWA ${{\overline{\mathit K}}}$ ${{\mathit N}}$ $\rightarrow$ ${{\overline{\mathit K}}}{{\mathit N}}$ $1725$ $\pm20$ ALSTON-GARNJO.. 97   DPWA ${{\overline{\mathit K}}}$ ${{\mathit N}}$ $\rightarrow$ ${{\overline{\mathit K}}}{{\mathit N}}$ $1830$ $\pm20$ LANGBEIN 97   IPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel • • We do not use the following data for averages, fits, limits, etc. • • $1845$ $\pm10$ MANLEY 00   DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel $1825$ $\pm20$ GOPAL 97   DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel $1767$ or $1842$ 1 MARTIN 97   DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel $1780$ KIM 97   DPWA K-matrix analysis $1872$ $\pm10$ BRICMAN 97 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.

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