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${{\mathit \Lambda}{(2100)}}$ MASS

INSPIRE   PDGID:

B041M

VALUE (MeV) DOCUMENT ID TECN  COMMENT $\bf{ 2090\text{ to }2110\text{ }(\approx2100) }$ OUR ESTIMATE $2090$ $\pm15$ SARANTSEV 2019 DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel $2086$ $\pm6$ ZHANG 2013 A DPWA Multichannel $2104$ $\pm10$ GOPAL 1980 DPWA ${{\overline{\mathit K}}}$ ${{\mathit N}}$ $\rightarrow$ ${{\overline{\mathit K}}}{{\mathit N}}$ $2106$ $\pm30$ DEBELLEFON 1978 DPWA ${{\overline{\mathit K}}}$ ${{\mathit N}}$ $\rightarrow$ ${{\overline{\mathit K}}}{{\mathit N}}$ $2110$ $\pm10$ GOPAL 1977 DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel $2105$ $\pm10$ HEMINGWAY 1975 DPWA ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\overline{\mathit K}}}{{\mathit N}}$ $2115$ $\pm10$ KANE 1974 DPWA ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Sigma}}{{\mathit \pi}}$ • • We do not use the following data for averages, fits, limits, etc. • • $2094$ BACCARI 1977 DPWA ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \omega}}$ $2094$ DECLAIS 1977 DPWA ${{\overline{\mathit K}}}$ ${{\mathit N}}$ $\rightarrow$ ${{\overline{\mathit K}}}{{\mathit N}}$ $2110$ or $2089$ 1 NAKKASYAN 1975 DPWA ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \omega}}$ 1  The NAKKASYAN 1975 values are from the two best solutions found. Each has the ${{\mathit \Lambda}{(2100)}}$ and one additional resonance (${\mathit P}_{\mathrm 3}$ or ${\mathit F}_{\mathrm 5}$).

References:

SARANTSEV 2019 EPJ A55 180 Hyperon II: Properties of excited hyperons ZHANG 2013A PR C88 035205 Multichannel Parametrization of ${{\mathit K}^{-}}{{\mathit N}}$ Scattering Amplitudes and Extraction of Resonance Parameters GOPAL 1980 Toronto Conf. 159 S = -1 Baryons: an Experimental Review DEBELLEFON 1978 NC 42A 403 New Data on the Reactions ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\overline{\mathit K}}^{0}}{{\mathit n}}$ and ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}^{-}}{{\mathit p}}$ between 1.934 and 2.516 ${\mathrm {GeV/}}\mathit c$, Partial Wave Analysis of these Channels and SU(3) Classification of the New ${{\mathit Y}^{*}}$ States Observed BACCARI 1977 NC 41A 96 New Data on ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \omega}}{{\mathit \Lambda}}$ from 1.934 to 2.516 ${\mathrm {GeV/}}\mathit c$ and Partial Wave Analyses from Threshold up to 2436 MeV $\mathit E_{{\mathrm {cm}}}$ DECLAIS 1977 CERN 77-16 ${{\mathit K}^{-}}{{\mathit n}}$ and ${{\mathit K}^{-}}{{\mathit p}}$ Elastic Scattering in ${{\mathit K}^{-}}{{\mathit d}}$ Collisions from 1.2 to 2.2 ${\mathrm {GeV/}}\mathit c$ GOPAL 1977 NP B119 362 Partial Wave Analyses of ${{\overline{\mathit K}}}{{\mathit N}}$ Two Body Reactions between 1480 and 2170 MeV HEMINGWAY 1975 NP B91 12 New Data on ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}^{-}}{{\mathit p}}$ and ${{\overline{\mathit K}}^{0}}{{\mathit n}}$ and a Partial Wave Analysis between 1840 and 2234 MeV Center of Mass Energy NAKKASYAN 1975 NP B93 85 New Data on ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \omega}}{{\mathit \Lambda}}$ and a Partial Wave Analysis between the $\mathit E_{{\mathrm {cm}}}$ 1915 and 2168 MeV KANE 1974 LBL-2452 LBL-2452