Couplings of pions with excited heavy mesons from light-cone QCD sum rulesin the leading order of HQET

Authors
Dai, YB Zhu, SL
Citation
Yb. Dai et Sl. Zhu, Couplings of pions with excited heavy mesons from light-cone QCD sum rulesin the leading order of HQET, EUR PHY J C, 6(2), 1999, pp. 307-311
Citations number
35
Categorie Soggetti
Physics
Journal title
EUROPEAN PHYSICAL JOURNAL C
ISSN journal
14346044 → ACNP
Volume
6
Issue
2
Year of publication
1999
Pages
307 - 311
Database
ISI
SICI code
1434-6044(199901)6:2<307:COPWEH>2.0.ZU;2-L
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 rule s in the leading order of heavy quark effective theory. The ambiguity due t o presence of two distinct 1(+) states are solved.