pdgLive Home   >   Baryon Summary Table   >   ${{\mathit \Omega}_{{c}}^{0}}$

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

INSPIRE search

${{\boldsymbol \Omega}_{{c}}^{0}}$ $I(J^P)$ = $0(1/2^{+})$

The quantum numbers have not been measured, but are simply assigned in accord with the quark model, in which the ${{\mathit \Omega}_{{c}}^{0}}$ is the ${\mathit {\mathit s}}$ ${\mathit {\mathit s}}$ ${\mathit {\mathit c}}$ ground state. No absolute branching fractions have been measured.

${{\mathit \Omega}_{{c}}^{0}}$ MASS   $2695.2 \pm1.7$ MeV (S = 1.3)

${{\mathit \Omega}_{{c}}^{0}}$ MEAN LIFE   $(2.68 \pm0.26) \times 10^{-13}$ s

${{\boldsymbol \Omega}_{{c}}^{0}}$ Decay Modes ▸ Expand all decays
Mode   Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/ Conf. Level P(MeV/c)   ▸ No absolute branching fractions have been measured. The following are branching $\boldsymbol ratios$ relative to ${{\boldsymbol \Omega}^{-}}{{\boldsymbol \pi}^{+}}$ . Cabibbo-favored ($\boldsymbol S$ = $-3$) decays $-$ relative to ${{\boldsymbol \Omega}^{-}}{{\boldsymbol \pi}^{+}}$ $\Gamma_{6}$ ${{\mathit \Xi}^{0}}{{\overline{\mathit K}}^{0}}$   $1.64\pm{0.29}$ 950   $\Gamma_{7}$ ${{\mathit \Xi}^{0}}{{\mathit K}^{-}}{{\mathit \pi}^{+}}$   $1.20\pm{0.18}$ 901   $\Gamma_{8}$ ${{\mathit \Xi}^{0}}{{\overline{\mathit K}}^{*0}}$ , ${{\overline{\mathit K}}^{*0}}$ $\rightarrow$ ${{\mathit K}^{-}}{{\mathit \pi}^{+}}$   $0.68\pm{0.16}$ 764   $\Gamma_{9}$ ${{\mathit \Xi}^{-}}{{\overline{\mathit K}}^{0}}{{\mathit \pi}^{+}}$   $2.12\pm{0.28}$ 895   $\Gamma_{10}$ ${{\mathit \Xi}^{-}}{{\mathit K}^{-}}$2 ${{\mathit \pi}^{+}}$   $0.63\pm{0.09}$ 830   $\Gamma_{11}$ ${{\mathit \Xi}{(1530)}^{0}}{{\mathit K}^{-}}{{\mathit \pi}^{+}}$ , ${{\mathit \Xi}^{*0}}$ $\rightarrow$ ${{\mathit \Xi}^{-}}{{\mathit \pi}^{+}}$   $0.21\pm{0.06}$ 757   $\Gamma_{12}$ ${{\mathit \Xi}^{-}}{{\overline{\mathit K}}^{*0}}{{\mathit \pi}^{+}}$   $0.34\pm{0.11}$ 653   $\Gamma_{13}$ ${{\mathit p}}{{\mathit K}^{-}}{{\mathit K}^{-}}{{\mathit \pi}^{+}}$   seen 864   $\Gamma_{14}$ ${{\mathit \Sigma}^{+}}{{\mathit K}^{-}}{{\mathit K}^{-}}{{\mathit \pi}^{+}}$   $<0.32$ CL=90% 689   $\Gamma_{15}$ ${{\mathit \Lambda}}{{\overline{\mathit K}}^{0}}{{\overline{\mathit K}}^{0}}$   $1.72\pm{0.35}$ 837
FOOTNOTES