pdgLive Home   >   ${{\mathit \Lambda}}$ BARYONS ($\mathit S$ = $-1$, $\mathit I$ = 0)   >   ${{\mathit \Lambda}{(1830)}}$   >   REAL PART

${{\mathit \Lambda}{(1830)}}$ POLE POSITION

REAL PART

INSPIRE   PDGID:

B056RE

VALUE (MeV) DOCUMENT ID TECN  COMMENT $\bf{ 1800\text{ to }1860\text{ }(\approx1830) }$ OUR ESTIMATE $1819.5$ $\pm3.0$ SARANTSEV 2019 DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel $1899$ ${}^{+35}_{-37}$ 1 KAMANO 2015 DPWA Multichannel • • We do not use the following data for averages, fits, limits, etc. • • $1766$ ${}^{+37}_{-34}$ 2 KAMANO 2015 DPWA Multichannel $1809$ ZHANG 2013 A DPWA Multichannel 1  The preferred solution A in KAMANO 2015 reports two poles. This entry is from the preferred solution A. 2  From the preferred solution A in KAMANO 2015 . Not seen in solution B.

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

Except where otherwise noted, content of the 2023 Review of Particle Physics is licensed under a Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0) license. The publication of the Review of Particle Physics is supported by US DOE, MEXT (Japan), INFN (Italy), JPS and CERN. Individual collaborators receive support for their PDG activities from their respective institutes or funding agencies. © 2023. See LBNL disclaimers.