Recent Results from BaBar, Belle, BESIII and CDF

Abstract

A brief report of some recent experimental developments concerning the $X$, $Y$ and $Z$ charmoniumlike mesons states and other puzzling states from the BaBar, Belle, BESIII and CDF experiments is presented.

Comments: 7 pages, 13 figures, write-up of a plenary talk on XYZ mesons etc at Quark Confinement & Hadron Spectrum IX, Aug 30 - Sept 3, 2010, Madrid