Leptonic decay of Heavy-light Mesons in a QCD Potential Model

TL;DR

This paper models heavy-light mesons using a QCD potential to calculate their masses, decay constants, and leptonic decay properties, aligning well with experimental data.

Contribution

It introduces a QCD potential approach to simultaneously compute masses and decay constants of heavy-light mesons, providing a comprehensive analysis.

Findings

Computed meson masses consistent with experimental data

Estimated decay constants matching observed values

Predicted leptonic decay widths and branching ratios

Abstract

We study the masses and decay constants of heavy-light flavour mesons D, Ds, B and Bs in a QCD Potential model. The mesonic wavefunction is used to compute the masses of D and B mesons in the ground state and the wavefunction is transformed to momentum space to estimate the pseudoscalar decay constants of these mesons. The leptonic decay widths and branching ratio of these mesons for different leptonic channels are also computed to compare with the experimental values. The results are found to be compatible with available data.