Analysis of the scalar and axial-vector heavy diquark states with QCD sum rules
Department of Physics, North China Electric Power University, Baoding, 071003, P.R. China
Revised: 21 November 2010
Published online: 5 January 2011
In this article, we study the mass spectrum of the scalar and axial-vector heavy diquark states with the QCD sum rules in a systematic way. Once the reasonable values are obtained, we can take them as basic parameters and study the new charmonium-like states as the tetraquark states.
© Springer-Verlag / Società Italiana di Fisica, 2011