Property of Chiral Scalar and Axial-Vector Mesons in Heavy-Light Quark System

Details Property of Chiral Scalar and Axial-Vector Mesons in Heavy-Light Quark System Property of Chiral Scalar and Axial-Vector Mesons in Heavy-Light Quark System

2001-02-21

arxiv.org/abs/hep-ph/0102258v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, 1 eps figure, uses ptptex.sty

Scientific paper

10.1143/PTP.106.373

We investigate the properties of new scalar X_B, X_D and axial-vector X_B*, X_D* mesons, which are recently predicted, in the covariant meson-classification scheme, to exist as the partners of ground-state pseudoscalar B, D and vector B*, D* mesons, respectively, realizing a linear representation of chiral symmetry for the light quark component in heavy-light-quark meson system. The mass splittings between the respective chiral partners are shown to be equal, and the decay widths of one pion emission of X_B, X_D, X_B* and X_D* become to have a common value, due to chiral and heavy quark symmetry.

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