2018 Impact factor 4.843
Particles and Fields
Eur. Phys. J. C 6, 307-311
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.


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