DOI 10.1007/s1005298000918
Couplings of pions with excited heavy mesons
from
light-cone QCD sum rules in the leading order of HQET
Y.-B. Dai - S.-L. Zhu
Institute of Theoretical Physics, Academia Sinica, P.O.Box 2735, Beijing 100080, P.R. China
Received: 20 January 1998 / Revised version: 3 April 1998 / Published online: 12 August 1998
Abstract
The couplings of pions with lowest three doublets
(0-, 1-), (0+,1+) and (1+,2+) of heavy mesons are studied
with light-cone QCD sum rules in the leading order of heavy quark
effective theory. The ambiguity due to presence of two distinct 1+
states are solved.
Copyright Springer-Verlag