TITLE:
Semileptonic Decay of Bc Meson into S Wave Charmonium in a QCD Potential Model with Coulombic Part as Perturbation
AUTHORS:
Krishna Kingkar Pathak, Dilip Kumar Choudhury
KEYWORDS:
Dalgarno Method; Isgur-Wise Function; Form Factors; Decay Width
JOURNAL NAME:
Journal of Modern Physics,
Vol.3 No.8,
August
15,
2012
ABSTRACT: We present the semileptonic decay of Bc meson in a QCD potential model with the coulombic part of the Cornell potential -4αs/3r+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 states. Numerical estimates of widths for the transitions of Bc→J|ψ(ηc)lv1 are presented.