English

Exotic Charmonium and Bottomonium-like Resonances

High Energy Physics - Phenomenology 2015-05-30 v2

Abstract

Many new states in the charmonium and bottomonium mass region were recently discovered by the BaBar, Belle and CDF Collaborations. We use the QCD Sum Rule approach to study the possible structure of some of these states. In particular we identify the recently observed bottomonium-like resonance Zb+(10610)Z_b^+(10610) with the first excitation of the tetraquark Xb(1++)X_b(1^{++}), the analogue of the X(3872) state in the charm sector.

Keywords

Cite

@article{arxiv.1108.1230,
  title  = {Exotic Charmonium and Bottomonium-like Resonances},
  author = {F. S. Navarra and M. Nielsen and J. -M. Richard},
  journal= {arXiv preprint arXiv:1108.1230},
  year   = {2015}
}

Comments

5 pages, 1 figure