Properties of $D_{s2}^*(2573)$ charmed-strange tensor meson

TL;DR

This paper calculates the mass and coupling constant of the $D_{s2}^*(2573)$ meson using QCD sum rules, providing insights into its properties and SU(3) flavor symmetry violation.

Contribution

It presents the first calculation of the $D_{s2}^*(2573)$ meson's properties within the QCD sum rule framework, considering its quantum numbers and flavor symmetry effects.

Findings

Mass and coupling constant of $D_{s2}^*(2573)$ determined

Comparison with $D_{2}^*$ meson highlights SU(3) symmetry violation

Results are consistent with experimental decay modes and widths

Abstract

The mass and current coupling constant of the $D_{s2}^* (2573)$ charmed-strange meson is calculated in the framework of two-point QCD sum rule approach. Although the quantum numbers of this meson is not exactly known, its width and decay modes are consistent with $I(J^P)=0(2^+)$, which we consider to write the interpolating current used in our calculations. Replacing the light strange quark with up or down quark we also compare the results with those of $D_{2}^*$ charmed tensor meson and estimate the order of SU(3) flavor symmetry violation.