Fully-heavy tetraquarks and other heavy multiquarks

TL;DR

This paper reviews the current discussions and theoretical insights into fully-heavy tetraquarks composed of charm quarks and antiquarks, along with other heavy-flavor multiquark states, highlighting recent developments in the field.

Contribution

It provides a comprehensive overview of the theoretical and experimental status of heavy multiquark states, focusing on fully-heavy tetraquarks and related configurations.

Findings

Summarizes recent experimental searches for fully-heavy tetraquarks.

Discusses theoretical models predicting the stability of heavy multiquark states.

Highlights open questions and future directions in heavy multiquark research.

Abstract

A review is presented of some discussions about the fully-heavy tetraquarks made of two charmed quarks and two anticharmed antiquarks, and other multiquark states involving some heavy flavors.