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

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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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Authors and Affiliations

  1. Institute of Theoretical Physics, Academia Sinica, P.O.Box 2735, Beijing 100080, P.R. China , , , , , , CN

    Y.-B. Dai & S.-L. Zhu

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  1. Y.-B. Dai
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  2. S.-L. Zhu
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Received: 20 January 1998 / Revised version: 3 April 1998 / Published online: 12 August 1998

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Dai, YB., Zhu, SL. Couplings of pions with excited heavy mesons from light-cone QCD sum rules in the leading order of HQET. Eur. Phys. J. C 6, 307–311 (1999). https://doi.org/10.1007/s100529800918

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  • DOI: https://doi.org/10.1007/s100529800918

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