Journal
INTERNATIONAL JOURNAL OF MODERN PHYSICS A
Volume 23, Issue 19, Pages 2817-2860Publisher
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0217751X08041219
Keywords
heavy baryon; quark model
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A quark model is applied to the spectrum of baryons containing heavy quarks. The model gives masses for the known heavy baryons that are in agreement with experiment, but for the doubly-charmed baryon Xi(cc), the model prediction is too heavy. Mixing between the Xi(Q) and Xi(Q)' states is examined and is found to be small for the lowest lying states. In contrast with this, mixing between the Xi(bc) and Xi(bc)' states is found to be large, and the implication of this mixing for properties of these states is briefly discussed. We also examine heavy-quark spin-symmetry multiplets, and find that many states in the model can be placed in such multiplets. We compare our predictions with those of a number of other authors.
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