We briefly discuss the large-N-c picture for excited baryons, present a new method for the calculation of matrix elements and illustrate it by computing the strong decays of heavy exotic states.
机构:
Coll William & Mary, Nucl & Particle Theory Grp, Williamsburg, VA 23187 USAColl William & Mary, Nucl & Particle Theory Grp, Williamsburg, VA 23187 USA