Measurements of the mass of $\Xi^{-}$, $\overline{\Xi}^{+}$, $\Omega^{-}$, $\overline{\Omega}^{+}$. The present results are shown in red. The vertical lines and bands represent the mass values currently tabulated by the PDG ; The full blue markers represent the measurements on which such PDG average values rely, by contrast to the open grey markers standing for measurements that were discarded Note that for the present averages, the PDG assumes \emph{a priori} a strict equality of mass between particle and antiparticle, it implies that the average PDG mass for $\Xi$ stems indifferently from $\Xi^{-}$ and $\overline{\Xi}^{+}$ input. The same situation is met for the PDG $\Omega$ mass with $\Omega^{-}$ and $\overline{\Omega}^{+}$ input (See Ref.  and reference therein for accessing the individual measurements.)The horizontal lines correspond to the total uncertainties, obtained by summing the statistical and systematic uncertainties in quadrature.