Charmonium molecules?

TL;DR

This paper explores the potential existence of multiquark states, including compact four-quark configurations and meson-meson molecules, within the charmonium spectrum, aiming to understand their role in hadron spectroscopy.

Contribution

It investigates the presence of multiquark components in charmonium, focusing on compact four-quark states and meson-meson molecules, providing new insights into their possible existence.

Findings

Evidence for possible meson-meson molecular states.

Analysis of compact four-quark configurations in charmonium.

Implications for charmonium spectroscopy and exotic hadrons.

Abstract

In this talk we present some recent studies of multiquark components in the charmonium sector. We study the possible existence of compact four quark-states and meson-meson molecules in the charmonium spectroscopy.