The XYZ mesons: what they aren't

Stephen Lars Olsen, A. Bondar, S. Eidelman
2019 EPJ Web of Conferences  
I discuss the properties of some representative XYZ mesons in the context of the most commonly proposed models for their underlying nature.
doi:10.1051/epjconf/201920201003 fatcat:bd6yfeirqvfjzn6veubopmyh3q