New Interpretation of the Observed Heavy Baryons

I suggest that the conventional assignment of quantum numbers to the observed charm and bottom baryons is not correct, as these assignments imply large violation of the heavy spin-flavor and light SU(3) symmetries. I propose an alternative interpretation of the observed states, in which the symmetries are preserved. If these novel assignments are right, there is a new state with mass approximately 2380MeV which decays to Λc+γ, and another with mass approximately 5760MeV which decays to Λb+γ. Although such states have not been seen, neither are they excluded by current analyses. copyright 1996 The American Physical Society