Eur. Phys. J. C 71, 1524 (2011)
https://doi.org/10.1140/epjc/s10052-010-1524-y

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

This email address is being protected from spambots. You need JavaScript enabled to view it.

Received: 4 September 2010
Revised: 21 November 2010
Published online: 5 January 2011

Abstract

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.