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We employ a quark model based on quantum chromodynamics and tested against noncharmed baryons to predict masses and decay rates of ground-state and excited baryons containing one charmed quark. Among other conclusions, the calculations indicate that the orbitally excited Λc 12^- analogous to the Λ(1405) is stable against strong decays.
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Copley et al. (1979) studied this question.
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