Exotic mesons, locking states and their role in the formation of the confinement barrier

V. V. Anisovich, D. V. Bugg, A. V. Sarantsev

We discuss a mechanism by which a set of $q\bar{q}$-states mixes with an exotic one, so that the exotic state accumulates the widths of the overlapping $\bar{q}q$ resonances. The bro…