QCD sum rules analysis of the rare $B_c \rar X\nu\bar{\nu}$ decaysQCD sum rules analysis of the rare $B_c \rar X\nu\bar{\nu}$ decays

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 Author Azizi, K. ♦ Khosravi, R. ♦ Bashiry, V. Source arXiv.org Content type Text File Format PDF Date of Submission 2008-05-19 Language English
 Subject Domain (in DDC) Computer science, information & general works ♦ Natural sciences & mathematics ♦ Physics Subject Keyword High Energy Physics - Phenomenology ♦ physics:hep-ph Abstract Taking into account the gluon correction contributions to the correlation function, the form factors relevant to the rare $B_c \rar X \nu\bar{\nu}$ decays are calculated in the framework of the three point QCD sum rules, where $X$ stands for axial vector particle, $AV(D_{s1})$, and vector particles, $V(D^*,D^*_s)$. The total decay width as well as the branching ratio of these decays are evaluated using the $q^2$ dependent expressions of the form factors. A comparison of our results with the predictions of the relativistic constituent quark model is presented. Description Reference: Eur.Phys.J.C56:357-370,2008 Educational Use Research Learning Resource Type Article Page Count 21