Analysis of the tensor-tensor type scalar tetraquark states with QCD sum rules

被引：2
作者：
Wang, Zhi-Gang [1 ]
Zhang, Jun-Xia [1 ]
机构：
[1] North China Elect Power Univ, Dept Phys, Baoding 071003, Peoples R China
来源：
EUROPEAN PHYSICAL JOURNAL C | 2016年 / 76卷 / 12期
关键词：
RESONANCE PHYSICS; Z(C)(4020); Y(4360); Y(4660); MESONS;
D O I：
10.1140/epjc/s10052-016-4514-x
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
In this article, we study the ground states and the first radial excited states of the tensor-tensor type scalar hidden-charm tetraquark states with the QCD sum rules. We separate the ground state contributions from the first radial excited state contributions unambiguously, and obtain the QCD sum rules for the ground states and the first radial excited states, respectively. Then we search for the Borel parameters and continuum threshold parameters according to four criteria and obtain the masses of the tensor-tensor type scalar hidden-charm tetraquark states, which can be confronted with the experimental data in the future.
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页数：8
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