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${{\mathit \Lambda}{(1520)}}$ POLE POSITION

REAL PART

INSPIRE   PDGID:

B038RE

VALUE (MeV) DOCUMENT ID TECN  COMMENT $\bf{ 1517\text{ to }1518\text{ }(\approx1517.5) }$ OUR ESTIMATE $\bf{ 1517.5 \pm0.4}$ OUR AVERAGE $1517.5$ $\pm0.4$ SARANTSEV 2019 DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel $1517$ ${}^{+4}_{-4}$ 1 KAMANO 2015 DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel • • We do not use the following data for averages, fits, limits, etc. • • $1518$ ZHANG 2013 A DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel $1518.8$ QIANG 2010 SPEC ${{\mathit e}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit e}^{\,'}}{{\mathit K}^{+}}{{\mathit X}}$ (fit to ${{\mathit X}}$) 1  From the preferred solution A in KAMANO 2015 .

References:

SARANTSEV 2019 EPJ A55 180 Hyperon II: Properties of excited hyperons KAMANO 2015 PR C92 025205 Dynamical Coupled-Channels Model of ${{\mathit K}^{-}}{{\mathit p}}$ Reactions. II. Extraction of ${{\mathit \Lambda}^{*}}$ and ${{\mathit \Sigma}^{*}}$ Hyperon Resonances ZHANG 2013A PR C88 035205 Multichannel Parametrization of ${{\mathit K}^{-}}{{\mathit N}}$ Scattering Amplitudes and Extraction of Resonance Parameters QIANG 2010 PL B694 123 Properties of the ${{\mathit \Lambda}{(1520)}}$ Resonance from High-Precision Electroproduction Data

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