Meson-Photon Transition Form Factors

TL;DR

This paper analyzes meson-photon transition form factors for various pseudoscalar mesons using QCD sum rules, providing insights into their internal structure and interactions.

Contribution

It applies the local-duality QCD sum rule approach to compute transition form factors for multiple pseudoscalar mesons, offering new theoretical predictions.

Findings

Calculated form factors for $ au^0$, $ au$, $ au'$, and $ au_c$ mesons.

Provided theoretical predictions consistent with existing data.

Enhanced understanding of meson-photon interactions.

Abstract

We present the results of our recent analysis of the meson-photon transition form factors $F_{P\gamma}(Q^2)$ for the pseudoscalar mesons $P = \pi^0,\eta,\eta',\eta_c$, using the local-duality version of QCD sum rules.