Semileptonic decay of Bc meson into S wave charmonium in a QCD potential model with coulombic part as perturbation
Abstract
We present the semileptonic decay of Bc meson in a QCD potential model with the coulombic part of the Cornell potential -4αS3r+br+c as perturbation. Computing the slope and curvature of Isgur Wise function in this approach, we study the pseudoscalar and vector form factors for the transition of Bc meson to its S wave charmonium cc states. Numerical estimates of widths for the transitions of Bc→ J/(ηc)ll are presented. The results are found to be in good agreement with other theoretical values.
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