Excited Heavy Baryons in the Bound State Picture

Details Excited Heavy Baryons in the Bound State Picture Excited Heavy Baryons in the Bound State Picture

1994-10-04

arxiv.org/abs/hep-ph/9410213v1

Phys.Rev.D51:2311-2321,1995

Physics

High Energy Physics

High Energy Physics - Phenomenology

LaTex, 23 pages, SU-4240-586/UCI-TR 94-38

Scientific paper

10.1103/PhysRevD.51.2311

The orbitally excited heavy quark baryons are studied in the Callan Klebanov bound state model with heavy spin symmetry. First, a compact description of the large $N_c$, infinite heavy quark mass bound state wavefunctions and the collective quantization is given. In order to study the kinematical corrections due to finite masses we motivate an approximate Schrodinger-like equation for the bound state. The effective potential in this equation is compared with the quadratic approximation (spherical harmonic oscillator) to it. This oscillator approximation is seen to be not very accurate. It is noted that the present experimental information cannot be even qualitatively understood with the usual light sector chiral Lagrangian containing only light pseudoscalar mesons. The addition of light vector mesons helps to overcome this problem.

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