期刊
EUROPEAN PHYSICAL JOURNAL C
卷 70, 期 1-2, 页码 139-154出版社
SPRINGER
DOI: 10.1140/epjc/s10052-010-1447-7
关键词
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资金
- National Natural Science Foundation of China [10775051]
- Program for New Century Excellent Talents in University [NCET-07-0282]
- Fundamental Research Funds for the Central Universities
In this article, we perform a systematic study of the mass spectrum of the axial-vector hidden charmed and hidden bottom tetraquark states using the QCD sum rules, and identify the Z (+)(4430) as an axial-vector tetraquark state tentatively.
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