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Advances in High Energy Physics
Volume 2015, Article ID 728098, 7 pages
Research Article

More about the Mass of the New Charmonium States

1Physics Department, Middle East Technical University, 06800 Ankara, Turkey
2Institute of Physics, Baku, Azerbaijan

Received 13 November 2014; Revised 20 January 2015; Accepted 20 January 2015

Academic Editor: Chao-Qiang Geng

Copyright © 2015 T. M. Aliev et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The publication of this article was funded by SCOAP3.


If is described by the picture as a mixture of the charmonium and molecular states; as a mixture of the and states; and as a mixture of the tetraquark and charmonium states, their orthogonal combinations should also exist. We estimate the mass and residues of the states within the QCD sum rules method. We find that the mass splitting among and their orthogonal states is at most 200 MeV. Experimental search of these new states can play critical role for establishing the nature of the new charmonium states.