Form factor for penguin-induced $B \rightarrow \eta$ transition in light cone QCD sum rule
Physics Department, Middle East Technical University, 06531, Ankara, Turkey
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We calculate the penguin-induced form factor for the $B \rightarrow \eta \ell^+ \ell^- $ decay. This form factor is calculated by light cone QCD sum rules, including contributions from wave functions up to twist-4 as well as mass corrections of the light $\eta$ meson.
© Springer-Verlag, 2003