Isgur-Wise function in a QCD inspired potential model with WKB Approximation

B. J. Hazarika; D. K. Choudhury

Isgur-Wise function in a QCD inspired potential model with WKB Approximation

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arxiv 1112.2800 v1 pith:QLFP7NG2 submitted 2011-12-13 hep-ph

B. J. Hazarika , D. K. Choudhury This is my paper · ORCID

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We use WKB Approximation in the calculation of slope and curvature of Isgur-Wise function in a QCD inspired potential model.This work is an extension of the approximation methods to the QCD inspired potential model.The approach hints at an effective range of distance for the calculation of slope and curvature of Isgur-Wise function.Comparision is also made with those of Dalgarno and VIPT to see the advantages of using WKB Approximation.

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Spectroscopic and Structural Properties of $B$, $B_s$, and $B_c$ Mesons within a Non-Relativistic Potential Model: A Comparative Analysis via Matrix Numerov and Variational Methods
hep-ph 2026-08 conditional novelty 4.0 of 10

A fitted Killingbeck potential reproduces B, B_s, and B_c masses to under 0.5% for selected parameters, but its wavefunction at the origin is unreliable, inflating the B decay constant by up to 84%.

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