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${{\mathit \Sigma}{(1915)}}$ MASS

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B046M

VALUE (MeV) DOCUMENT ID TECN  COMMENT $\bf{ 1900\text{ to }1935\text{ }(\approx1915) }$ OUR ESTIMATE $1918$ $\pm6$ SARANTSEV 2019 DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel $1920$ $\pm7$ ZHANG 2013 A DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel $1937$ $\pm20$ ALSTON-GARNJO.. 1978 DPWA ${{\overline{\mathit K}}}$ ${{\mathit N}}$ $\rightarrow$ ${{\overline{\mathit K}}}{{\mathit N}}$ $1894$ $\pm5$ 1 CORDEN 1977 C ${{\mathit K}^{-}}$ ${{\mathit n}}$ $\rightarrow$ ${{\mathit \Sigma}}{{\mathit \pi}}$ $1909$ $\pm5$ 1 CORDEN 1977 C ${{\mathit K}^{-}}$ ${{\mathit n}}$ $\rightarrow$ ${{\mathit \Sigma}}{{\mathit \pi}}$ $1920$ $\pm10$ GOPAL 1977 DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel $1920$ $\pm30$ BAILLON 1975 IPWA ${{\overline{\mathit K}}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}}$ $1914$ $\pm10$ HEMINGWAY 1975 DPWA ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\overline{\mathit K}}}{{\mathit N}}$ $1920$ ${}^{+15}_{-20}$ VANHORN 1975 DPWA ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}^{0}}$ $1920$ $\pm5$ KANE 1974 DPWA ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Sigma}}{{\mathit \pi}}$ • • We do not use the following data for averages, fits, limits, etc. • • not seen DECLAIS 1977 DPWA ${{\overline{\mathit K}}}$ ${{\mathit N}}$ $\rightarrow$ ${{\overline{\mathit K}}}{{\mathit N}}$ $1925$ or $1933$ 2 MARTIN 1977 DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel $1900$ $\pm4$ 3 CORDEN 1976 DPWA ${{\mathit K}^{-}}$ ${{\mathit n}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}^{-}}$ $1915$ DEBELLEFON 1976 IPWA ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}^{0}}$ 1  The two entries for CORDEN 1977C are from two different acceptable solutions. 2  The two MARTIN 1977 values are from a T-matrix pole and from a Breit-Wigner fit. 3  Preferred solution 3; see CORDEN 1976 for other possibilities.

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