Charge radii of heavy flavored mesons in a potential model

TL;DR

This paper calculates the charge radii of heavy flavored mesons using an improved QCD potential model with a novel cut-off parameter, providing results that align well with existing data and discussing the method's limitations.

Contribution

Introduces a modified potential model with a cut-off parameter to compute meson charge radii, enhancing the accuracy of short and long-range effects in the calculation.

Findings

Results are consistent with existing data.

The cut-off parameter improves the model's effectiveness.

Discussion of the approach's limitations.

Abstract

We report the results for charge radii of heavy flavored mesons ($D^+, D^0, D^+_s, B^+, B^0, B^0_s$) in an improved QCD potential model. To enhance the effectiveness of short range and long range effect of the potential $V(r)=-4\frac{\alpha_s}{3r}+br+c$ in the perturbative procedure a cut-off parameter $r^P$ is introduced as an integration limit. The obtained results are found to be comparable with other available data. The limitation of the approach is discussed in the manuscript.