CHARMED BARYONS
($\boldsymbol C$ = $+1$)
${{\mathit \Lambda}_{{c}}^{+}}$ = ${{\mathit u}}{{\mathit d}}{{\mathit c}}$ , ${{\mathit \Sigma}_{{c}}^{++}}$ = ${{\mathit u}}{{\mathit u}}{{\mathit c}}$ , ${{\mathit \Sigma}_{{c}}^{+}}$ = ${{\mathit u}}{{\mathit d}}{{\mathit c}}$ , ${{\mathit \Sigma}_{{c}}^{0}}$ = ${{\mathit d}}{{\mathit d}}{{\mathit c}}$ ,
${{\mathit \Xi}_{{c}}^{+}}$ = ${{\mathit u}}{{\mathit s}}{{\mathit c}}$ , ${{\mathit \Xi}_{{c}}^{0}}$ = ${{\mathit d}}{{\mathit s}}{{\mathit c}}$ , ${{\mathit \Omega}_{{c}}^{0}}$ = ${{\mathit s}}{{\mathit s}}{{\mathit c}}$

INSPIRE search

${{\boldsymbol \Sigma}_{{c}}{(2800)}}$ $I(J^P)$ = $1(?^{?})$

Seen in the ${{\mathit \Lambda}_{{c}}^{+}}{{\mathit \pi}^{+}}$ , ${{\mathit \Lambda}_{{c}}^{+}}{{\mathit \pi}^{0}}$ , and ${{\mathit \Lambda}_{{c}}^{+}}{{\mathit \pi}^{-}}$ mass spectra.

${{\boldsymbol \Sigma}_{{c}}{(2800)}}$ MASSES

${{\mathit \Sigma}_{{c}}{(2800)}^{++}}$ MASS

$2801 {}^{+4}_{-6}$ MeV

${{\mathit \Sigma}_{{c}}{(2800)}^{+}}$ MASS

$2792 {}^{+14}_{-5}$ MeV

${{\mathit \Sigma}_{{c}}{(2800)}^{0}}$ MASS

$2806 {}^{+5}_{-7}$ MeV (S = 1.3)

${{\boldsymbol \Sigma}_{{c}}{(2800)}}$ MASS DIFFERENCES

${\mathit m}_{{{\mathit \Sigma}_{{c}}{(2800)}^{++}}}–{\mathit m}_{{{\mathit \Lambda}_{{c}}^{+}}}$

$514 {}^{+4}_{-6}$ MeV

${\mathit m}_{{{\mathit \Sigma}_{{c}}{(2800)}^{+}}}–{\mathit m}_{{{\mathit \Lambda}_{{c}}^{+}}}$

$505 {}^{+14}_{-5}$ MeV