The semileptonic decays Bc* ηc with QCD sum rules
Abstract
In this article, we calculate the Bc* ηc form-factors with the three-point QCD sum rules, then study the semileptonic decays Bc* ηc . The tiny decay widths may be observed experimentally in the future at the LHCb, while the Bc* ηc form-factors can be taken as basic input parameters in other phenomenological analysis.
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