Phenomenology of $P_c(4380{)}^{+}$, $P_c(4450{)}^{+}$ and related states

T. J. Burns

The $P_c(4380{)}^{+}$ and $P_c(4450{)}^{+}$ states recently discovered at LHCb have masses close to several relevant thresholds, which suggests they can be described in terms of meson-bary…