Abstract
We consider the semileptonic Bc to Ds1 transitions in the frame work of three-point QCD sum rules. Here, we investigate the Ds1 meson as a conventional cs̄ meson in the pure state. The obtained results for the form factors are used to evaluate the decay rates and branching ratios. Any future experimental measurement on these form factors as well as decay rates and branching fractions and their comparison with the obtained results in the present work can give considerable information about the structure of this meson.
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