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Investigation of the B_crightarrow chi_(c2) l bar{ν} transition via QCD sum rules
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Investigation of the B_crightarrow chi_(c2) l bar{ν} transition via QCD sum rules
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We calculate the transition form factors of the semileptonic $B_c\rightarrow \chi_{c2} l \bar{\nu} $ in the framework of QCD sum rules taking into account the two-gluon condensate corrections. Using the obtained results of form factors we estimate the decay widths and branching ratios related to this transition at all lepton channels. A comparison of the obtained results with the predictions of other non-perturbative approaches are also made. The orders of branching ratios for different lepton channels indicate that the $B_c\rightarrow \chi_{c2} l \bar{\nu} $ transition can be studied at LHC using the collected or future data.
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