pdgLive Home   >   CHARMED BARYONS ($\mathit C$ = $+1$)   >   ${{\mathit \Sigma}_{{c}}{(2455)}}$   >   ${\mathit m}_{{{\mathit \Sigma}_{{c}}{(2455)}^{+}}}–{\mathit m}_{{{\mathit \Lambda}_{{c}}^{+}}}$

${{\mathit \Sigma}_{{c}}{(2455)}}–{{\mathit \Lambda}_{{c}}^{+}}$ MASS DIFFERENCES

${\mathit m}_{{{\mathit \Sigma}_{{c}}{(2455)}^{+}}}–{\mathit m}_{{{\mathit \Lambda}_{{c}}^{+}}}$

INSPIRE   PDGID:

B104D+

VALUE (MeV) EVTS DOCUMENT ID TECN  COMMENT $\bf{ 166.19 {}^{+0.16}_{-0.08}}$ OUR FIT $\bf{ 166.19 {}^{+0.15}_{-0.08}}$ OUR AVERAGE $166.17$ $\pm0.05$ ${}^{+0.16}_{-0.07}$ YELTON 2021 BELL ${{\mathit e}^{+}}{{\mathit e}^{-}}$ at ${{\mathit \Upsilon}{(nS)}}$ $166.4$ $\pm0.2$ $\pm0.3$ 661 AMMAR 2001 CLE2 ${{\mathit e}^{+}}{{\mathit e}^{-}}$ $\approx{}{{\mathit \Upsilon}{(4S)}}$ • • We do not use the following data for averages, fits, limits, etc. • • $168.5$ $\pm0.4$ $\pm0.2$ 111 CRAWFORD 1993 CLE2 See AMMAR 2001 $168$ $\pm3$ 1 CALICCHIO 1980 HBC ${{\mathit \nu}}{{\mathit p}}$ in BEBC-TST

References:

YELTON 2021 PR D104 052003 Measurement of the masses and widths of the $\Sigma_c(2455)^+$ and $\Sigma_c(2520)^+$ baryons AMMAR 2001 PRL 86 1167 First Observation of the ${{\mathit \Sigma}_{{c}}^{*+}}$ Baryon and a New Measurement of the ${{\mathit \Sigma}_{{c}}^{+}}$ Mass CRAWFORD 1993 PRL 71 3259 Observation of the Charmed Baryon ${{\mathit \Sigma}_{{c}}^{+}}$ and Measurement of the Isospin Mass Splitting of the ${{\mathit \Sigma}_{{c}}}$ CALICCHIO 1980 PL 93B 521 First Observation of the Production and Decay of the ${{\mathit \Sigma}_{{c}}^{+}}$

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.