Meson masses and decay constants in holographic QCD consistent with ChPT and HQET

TL;DR

This paper introduces a light-front QCD approach to calculate meson masses and decay constants, aligning with chiral perturbation theory and heavy quark effective theory, providing a unified framework for these quantities.

Contribution

It proposes a novel light-front QCD formalism that is consistent with both chiral and heavy quark effective theories for meson properties.

Findings

Consistent evaluation of meson masses and decay constants.

Alignment with chiral perturbation theory.

Compatibility with heavy quark effective theory.

Abstract

We focus on the chiral and heavy quark mass expansion of mesons masses and decay constants. We propose a light-front QCD formalism for the evaluation of these quantities, consistent with chiral perturbation theory and heavy quark effective theory.