Light axial vector mesons

TL;DR

This paper analyzes whether observed axial-vector mesons fit into the conventional family by examining their mass spectra and decay patterns, and predicts properties of missing states to guide future experiments.

Contribution

It provides a systematic classification of axial-vector mesons using mass spectra and decay analysis, and predicts properties of unobserved states.

Findings

Confirmed possible assignments of observed axial-vector states.

Predicted decay behaviors and properties of missing axial-vector mesons.

Provided guidance for future experimental searches.

Abstract

Inspired by the abundant experimental observation of axial-vector states, we study whether the observed axial-vector states can be categorized into the conventional axial-vector meson family. In this paper we carry out an analysis based on the mass spectra and two-body Okubo-Zweig-Iizuka-allowed decays. Besides testing the possible axial-vector meson assignments, we also predict abundant information for their decays and the properties of some missing axial-vector mesons, which are valuable for further experimental exploration of the observed and predicted axial-vector mesons.