Decay constants and masses of light tensor mesons ($J^P =2^+$)

TL;DR

This paper calculates the masses and decay constants of light tensor mesons with quantum numbers $J^P=2^+$ using QCD sum rules, including non-perturbative effects up to dimension-5.

Contribution

It provides new theoretical predictions for light tensor meson properties using an advanced QCD sum rule approach with non-perturbative contributions.

Findings

Predicted masses of light tensor mesons.

Calculated decay constants of these mesons.

Included non-perturbative effects up to dimension-5.

Abstract

We calculate the masses and decay constants of the light tensor mesons with quantum numbers $J^P =2^+$ in the framework of the QCD sum rules in the standard model. The non-perturbative contributions up to dimension-$5$ as important terms of the operator product expansion are considered.