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We have recently reported the calculation of slope and curvature ofIsgur-Wise function based on Variationally Improved Perturbation Theory (VIPT)in a QCD inspired potential model. In that work, Coulombic potential was takenas the parent while the linear one as the perturbation.In this work, we choosethe linear one as the parent with Coulombic one as the perturbation and see theconsequences. Keywords: VIPT,Isgur-Wise function, charge radii and convexitypa- rameter.

Isgur-Wise function in a QCD inspired potential model with confinement as parent in the Variationally Improved Perturbation Theory (VIPT)