Abstract
Masses of the various ground-state and negative-parity baryons containing one charmed quark are calculated using a parameter set developed for the noncharmed baryons. The sole additional parameter needed, ${m}_{c}$, is obtained by fitting to the observed mass of ${\ensuremath{\Lambda}}_{c}{\frac{1}{2}}^{+}$. The resulting calculated value of the mass of ${\ensuremath{\Sigma}}_{c}{\frac{1}{2}}^{+}$ is in reasonable agreement with experimental values.
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