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X, Y and Z States

arXiv:1611.03300 · doi:10.1051/epjconf/201713701015

Abstract

Many new states in the charmonium mass region were recently discovered by BaBar, Belle, CLEO-c, CDF, D0, BESIII, LHCb and CMS Collaborations. We use the QCD Sum Rule approach to study the possible structure of some of these states.

Contribution for the proceedings of the "XII Quark Confinement and the Hadron Spectrum - CONF12" conference