Rare semileptonic decay of c1(1p) meson In QCD
Abstract
The rare semileptonic c1(1p)→ Ds+e decay is analyzed, by using the three-point QCD sum rules. Taking into account the two-gluon condensate contributions, the transition form factors related to this decay are calculated and are used to determine the total decay width and branching fraction. Our findings may be approved by future experiments.
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