Weak decays of the B-c meson to B-s and B mesons in the relativistic quark modelстатья
Статья опубликована в высокорейтинговом журнале
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Дата последнего поиска статьи во внешних источниках: 3 мая 2017 г.
Аннотация:Semileptonic and non-leptonic decays of the B-c meson to B-s and B mesons, caused by the c-->s,d quark transitions, are studied in the framework of the relativistic quark model. The heavy quark expansion in inverse powers of the active c and spectator b quark is used to simplify calculations while the final s and d quarks in the B-s and B mesons are treated relativistically. The decay form factors are explicitly expressed through the overlap integrals of the meson wave functions in the whole accessible kinematical range. The obtained results are compared with the predictions of other approaches.