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

#### ${{\mathit \Lambda}_{{{c}}}{(2595)}^{+}}$

$I(J^P)$ = $0(1/2^{-})$
The ${{\mathit \Lambda}_{{{c}}}^{+}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ mode is largely, and perhaps entirely, ${{\mathit \Sigma}_{{{c}}}}{{\mathit \pi}}$, which is just at threshold; since the ${{\mathit \Sigma}_{{{c}}}}$ has $\mathit J{}^{P} = 1/2{}^{+}$, the $\mathit J{}^{P}$ here is almost certainly ${}^{}1/2{}^{-}$. This result is in accord with the theoretical expectation that this is the charm counterpart of the strange ${{\mathit \Lambda}{(1405)}}$.
 ${{\mathit \Lambda}_{{{c}}}{(2595)}^{+}}$ MASS $2592.25 \pm0.28$ MeV
 ${{\mathit \Lambda}_{{{c}}}{(2595)}^{+}}–{{\mathit \Lambda}_{{{c}}}^{+}}$ MASS DIFFERENCE $305.79 \pm0.24$ MeV
 ${{\mathit \Lambda}_{{{c}}}{(2595)}^{+}}$ WIDTH $2.6 \pm0.6$ MeV
${{\mathit \Lambda}_{{{c}}}^{+}}{{\mathit \pi}}{{\mathit \pi}}$ and its submode ${{\mathit \Sigma}_{{{c}}}{(2455)}}{{\mathit \pi}}$ $-$ the latter just barely $-$ are the only strong decays allowed to an excited ${{\mathit \Lambda}_{{{c}}}^{+}}$ having this mass; and the submode seems to dominate.
 $\Gamma_{1}$ ${{\mathit \Lambda}_{{{c}}}^{+}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ [1] 117
 $\Gamma_{2}$ ${{\mathit \Sigma}_{{{c}}}{(2455)}^{++}}{{\mathit \pi}^{-}}$ $24$ $\pm7\%$ 3
 $\Gamma_{3}$ ${{\mathit \Sigma}_{{{c}}}{(2455)}^{0}}{{\mathit \pi}^{+}}$ $24$ $\pm7\%$ 3
 $\Gamma_{4}$ ${{\mathit \Lambda}_{{{c}}}^{+}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ 3-body $18$ $\pm10\%$ 117
 $\Gamma_{5}$ ${{\mathit \Lambda}_{{{c}}}^{+}}{{\mathit \pi}^{0}}$ [2] not seen 258
 $\Gamma_{6}$ ${{\mathit \Lambda}_{{{c}}}^{+}}{{\mathit \gamma}}$ not seen 288
 FOOTNOTES