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${{\mathit \Sigma}{(1750)}}$ MASS

INSPIRE   PDGID:

B057M

VALUE (MeV) DOCUMENT ID TECN  COMMENT $\bf{ 1700\text{ to }1800\text{ }(\approx1750) }$ OUR ESTIMATE $1692$ $\pm11$ SARANTSEV 2019 DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel $1739$ $\pm8$ ZHANG 2013 A DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel $1756$ $\pm10$ GOPAL 1980 DPWA ${{\overline{\mathit K}}}$ ${{\mathit N}}$ $\rightarrow$ ${{\overline{\mathit K}}}{{\mathit N}}$ $1770$ $\pm10$ ALSTON-GARNJO.. 1978 DPWA ${{\overline{\mathit K}}}$ ${{\mathit N}}$ $\rightarrow$ ${{\overline{\mathit K}}}{{\mathit N}}$ • • We do not use the following data for averages, fits, limits, etc. • • $1770$ $\pm15$ GOPAL 1977 DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel $1800$ or $1813$ 1 MARTIN 1977 DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel $1715$ $\pm10$ 2 CARROLL 1976 DPWA Isospin-1 total $\sigma{}$ $1730$ DEBELLEFON 1976 IPWA ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}^{0}}$ $1780$ $\pm30$ BAILLON 1975 IPWA ${{\overline{\mathit K}}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}}$ (sol. 1) $1700$ $\pm30$ BAILLON 1975 IPWA ${{\overline{\mathit K}}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}}$ (sol. 2) $1697$ ${}^{+20}_{-10}$ VANHORN 1975 DPWA ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}^{0}}$ $1785$ $\pm12$ CHU 1974 DBC Fits ${\mathit \sigma (}$ ${{\mathit K}^{-}}$ ${{\mathit n}}$ $\rightarrow$ ${{\mathit \Sigma}^{-}}{{\mathit \eta}}{)}$ $1760$ $\pm5$ 3 JONES 1974 HBC Fits ${\mathit \sigma (}$ ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Sigma}^{0}}{{\mathit \eta}}{)}$ $1739$ $\pm10$ PREVOST 1974 DPWA ${{\mathit K}^{-}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \Sigma}{(1385)}}{{\mathit \pi}}$ 1  The two MARTIN 1977 values are from a T-matrix pole and from a Breit-Wigner fit. 2  A total cross-section bump with ($\mathit J$+1/2) $\Gamma _{{\mathrm {el}}}$ $/$ $\Gamma _{{\mathrm {total}}}$ = 0.30. 3  An ${\mathit S}{\mathrm -wave}$ Breit-Wigner fit to the threshold cross section with no background and errors statistical only.

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