Heavy quark symmetry in strong decays of P-wave heavy-light mesons

Abstract

Heavy quark symmetry and its breaking in strong decays of P-wave heavy-light mesons are examined within the EHQ's method. The consistence of theory with experiments indicates that the breaking of heavy quark symmetry in the two-body strong decays of these mesons is not large. The relation between the EHQ's method and the ${}^3{P}_0$ model is investigated, and the phenomenological transition strengths ${\mathcal{F}}_{j_h,l}^{j_q,j_q^{\prime }}(0)$ of the P-wave heavy-light mesons within the EHQ method are analytically derived within the ${}^3{P}_0$ model.

Comments: 5 pages, 4 tables, 2 figures, RevTex