Charged charmonium-like structures and the initial single chiral particle emission mechanism

Abstract

This paper summarizes what we have done so far to explain charged charmonium/bottomonium-like structures using a hadronic triangle diagram which we call the initial single chiral particle emission mechanism. We discuss processes like $A\to A^{\prime }+P+P^{\prime }$ in which two chiral particles $P$ and $P^{\prime }$ are emitted from $A$. In the intermediate we consider a hadronic one-loop diagram in which $D^{(\ast )}/D_s^{(\ast )}/B^{(\ast )}/B_s^{(\ast )}$ are included to explain some enhancements experimentally observed. Using this mechanism we explain some of the exotic enhancements and predict a couple of enhancement structures.

Comments: 4 pages, 1 table, conference paper of XIth Quark Connfinement and the Hadron Spectrum held at St. Petersburg, Russia on Sept. 8-12