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${{\mathit \Omega}_{{b}}^{-}}$ MASS
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$6046.1 \pm1.7$ MeV
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${\mathit m}_{{{\mathit \Omega}_{{b}}^{-}}}{\mathit m}_{{{\mathit \Lambda}_{{b}}^{0}}}$
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$426.4 \pm2.2$ MeV
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${\mathit m}_{{{\mathit \Omega}_{{b}}^{-}}}{\mathit m}_{{{\mathit \Xi}_{{b}}^{-}}}$
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$247.3 \pm3.2$ MeV
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${{\mathit \Omega}_{{b}}}$ MEAN LIFE
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$(1.64 {}^{+0.18}_{-0.17}) \times 10^{-12}$ s
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$\tau ({{\mathit \Omega}_{{b}}^{-}})/\tau ({{\mathit \Xi}_{{b}}^{-}}$) mean life ratio
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$1.11 \pm0.16$
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Mode |
Fraction ($\Gamma_i$ / $\Gamma$) |
Scale Factor/ Conf. Level |
P (MeV/c) |
$\Gamma_{1}$ | ${{\mathit J / \psi}}{{\mathit \Omega}^{-}}$ ${\times }$B( ${{\mathit b}}$ $\rightarrow$ ${{\mathit \Omega}_{{b}}}$ ) | |
$(2.9^{+1.1}_{-0.8})\times 10^{-6}$
| | 1806 |
| $\Gamma_{2}$ | ${{\mathit p}}{{\mathit K}^{-}}{{\mathit K}^{-}}$ ${\times }$B( ${{\overline{\mathit b}}}$ $\rightarrow$ ${{\mathit \Omega}_{{b}}}$ ) | |
$<2.5\times 10^{-9}$
| CL=90% | 2866 |
| $\Gamma_{3}$ | ${{\mathit p}}{{\mathit \pi}^{-}}{{\mathit \pi}^{-}}$ ${\times }$B( ${{\overline{\mathit b}}}$ $\rightarrow$ ${{\mathit \Omega}_{{b}}}$ ) | |
$<1.5\times 10^{-8}$
| CL=90% | 2943 |
| $\Gamma_{4}$ | ${{\mathit p}}{{\mathit K}^{-}}{{\mathit \pi}^{-}}$ ${\times }$B( ${{\overline{\mathit b}}}$ $\rightarrow$ ${{\mathit \Omega}_{{b}}}$ ) | |
$<7\times 10^{-9}$
| CL=90% | 2915 |
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