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Decay Widths of Excited Heavy Mesons From QCD Sum Rules at the Leading Order of HQET
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classification
hep-ph
keywords
heavyexcitedleadingmesonsorderruleswidthsambiguity
read the original abstract
The widths for pionic decays of lowest two excited doublets (0^+,1^+) and (1^+,2^+) of heavy mesons are studied with QCD sum rules in the leading order of heavy quark effective theory. The ambiguity due to presence of two distinct 1^+ states are solved. The soft pion approximation is not used.
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