Possible Evidence for a Chiral Axial-Vector State in the D Meson System
Kenji Yamada, Muneyuki Ishida, Shin Ishida, Daiki Ito, Toshihiko Komada, Hiroshi Tonooka
Abstract
We reanalyze the D*+ pi- mass spectrum from CLEO II by the VMW method in order to examine the existence of a chiral axial-vector state, which is predicted in a covariant level-classification scheme recently proposed, other than normal orbitally-excited P-wave states in the D meson system. A result of the present analysis seems to suggest that there exists an extra axial-vector meson, in addition to the two normal ones, in a similar mass region.
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