摘要
In this article, we perform a detailed study of the mass spectrum of the scalar doubly charmed and doubly bottom tetraquark states using the QCD sum rules.
基金
Supported by National Natural Science Foundation of China under Grant Nos.10775051,11075053
Program for New Century Excellent Talents in University under Grant No.NCET-07-0282
the Fundamental Research Funds for the Central Universities