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${{\mathit \Sigma}{(1620)}}$ MASS (PRODUCTION EXPERIMENTS)

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B078M

VALUE (MeV) EVTS DOCUMENT ID TECN CHG  COMMENT $\bf{ \approx1620}$ OUR ESTIMATE $1642$ $\pm12$ AMMANN 1970 DBC ${{\mathit K}^{-}}{{\mathit N}}$ 4.5 ${\mathrm {GeV/}}\mathit c$ $1618$ $\pm3$ 20 BLUMENFELD 1969 HBC + ${{\mathit K}_L^0}$ ${{\mathit p}}$ $1619$ $\pm8$ CRENNELL 1969 B DBC $\pm{}$ ${{\mathit K}^{-}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}}{{\mathit \pi}}{{\mathit \pi}}$ • • We do not use the following data for averages, fits, limits, etc. • • $1616$ $\pm8$ CRENNELL 1968 DBC $\pm{}$ See CRENNELL 1969B

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