Triply heavy tetraquark states with the QQ(Q)over-bar(q)over-bar configuration

被引：0
|
作者：
Chen, Kan [1 ,2 ,3 ]
Liu, Xiang [1 ,2 ,3 ]
Liu, Yan-Rui [4 ,5 ]
Wu, Jing [4 ,5 ]
Zhu, Shi-Lin [6 ,7 ,8 ,9 ]
机构：
[1] Lanzhou Univ, Sch Phys Sci & Technol, Lanzhou 730000, Peoples R China
[2] Lanzhou Univ, Res Ctr Hadron & CSR Phys, Lanzhou 730000, Peoples R China
[3] Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China
[4] Shandong Univ, Sch Phys, Jinan 250100, Peoples R China
[5] Shandong Univ, Key Lab Particle Phys & Particle Irradiat MOE, Jinan 250100, Peoples R China
[6] Peking Univ, Sch Phys, Beijing 100871, Peoples R China
[7] Peking Univ, State Key Lab Nucl Phys & Technol, Beijing 100871, Peoples R China
[8] Collaborat Innovat Ctr Quantum Matter, Beijing 100871, Peoples R China
[9] Peking Univ, Ctr High Energy Phys, Beijing 100871, Peoples R China
来源：
EUROPEAN PHYSICAL JOURNAL A | 2017年 / 53卷 / 01期
基金：
中国国家自然科学基金;
关键词：
X; 5568; MODEL; SYSTEMATICS; PENTAQUARK; X(5568); MESONS;
D O I：
10.1140/epja/i2017-12199-3
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
In the framework of the color-magnetic interaction, we systematically investigate the mass splittings of the QQ (Q) over bar(q) over bar tetraquark states and estimate their rough masses in this work. These systems include the explicitly exotic states cc (b) over bar(q) over bar and bb (c) over bar(q) over bar and the hidden exotic states cc (c) over bar(q) over bar, cb (b) over bar(q) over bar, bc (c) over bar(q) over bar, and bb (b) over bar(q) over bar. If a state around the estimated mass region can be observed, its nature as a genuine tetraquark is favored. The strong decay patterns shown here will be helpful to the experimental search for these exotic states.
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收藏
页数：14
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