Tetra-quark Systems in Heavy Mesons -- D_{s0}^+(2317), X(3872) and related --

TL;DR

This paper investigates open- and hidden-charm tetra-quark mesons like D_{s0}^+(2317) and X(3872), analyzing their decays and production methods to distinguish them from conventional mesons and proposing experimental confirmation techniques.

Contribution

It offers a detailed analysis of tetra-quark mesons' decay and production characteristics and suggests experimental approaches to confirm their tetra-quark nature.

Findings

Tetra-quark mesons exhibit distinct decay patterns from conventional mesons.

Proposed experimental methods can effectively identify tetra-quark states.

Comparison with conventional mesons highlights unique features of tetra-quark candidates.

Abstract

Typical candidates of open- and hidden-charm tetra-quark mesons are studied through their decays and productions, and are compared with conventional mesons. In addition, it is proposed how to confirm experimentally that they are tetra-quark mesons.