A Review of Heavy Exotic States

TL;DR

This paper reviews recent experimental discoveries of heavy exotic states, specifically the $X$, $Y$, and $Z$ charmonium-like particles, summarizing their properties and significance in particle physics.

Contribution

It provides a comprehensive overview of recent experimental findings on heavy exotic states, highlighting progress and open questions in the field.

Findings

Identification of new $X$, $Y$, $Z$ states

Summary of experimental techniques used

Discussion of implications for quantum chromodynamics

Abstract

A review of recent experimental developments concerning the $X$, $Y$ and $Z$ charmonium-like exotic states.