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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

References:

AMMANN 1970 PRL 24 327 Confirmation of a New ${{\mathit \Lambda}}{{\mathit \pi}}$ Resonance in the Reaction ${{\mathit K}^{-}}$ ${{\mathit n}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{-}}$ Also PR D7 1345 Final States with Three Charged Particles and a Visible ${{\mathit \Lambda}}$ from $\e(K- d)$ Interactions at 4.5 ${\mathrm {GeV/}}\mathit c$ BLUMENFELD 1969 PL 29B 58 Formation of the ${{\mathit Y}_{{1}}^{*}{(1616)}}$ and ${{\mathit Y}_{{1}}^{*}{(1700)}}$ in ${{\mathit K}_L^0}$ ${{\mathit p}}$ Interactions CRENNELL 1969B Lund Paper 183 Further Evidence for ${{\mathit Y}_{{1}}^{*}{(1616)}}$ from 3.9 ${\mathrm {GeV/}}\mathit c$ ${{\mathit K}^{-}}{{\mathit n}}$ Interactions Also Lund Conf. Rapporteur Talk on Strange Baryon Resonances, Proceedings of the Lund International Conference on Elementary Particles, Lund (1969) CRENNELL 1968 PRL 21 648 Existence of a ${{\mathit Y}_{{1}}^{*}}$ Resonance at 1616 MeV