X(4140), X(4270), X(4500), and X(4700) and their cs(c)over-bar (s)over-bar tetraquark partners

被引：55

作者：

Wu, Jing ^{[1
,2
]}

Liu, Yan-Rui ^{[1
,2
]}

Chen, Kan ^{[3
,4
,5
]}

Liu, Xiang ^{[3
,4
,5
]}

Zhu, Shi-Lin ^{[6
,7
,8
,9
]}

机构：

[1] Shandong Univ, Sch Phys, Jinan 250100, Peoples R China

[2] Shandong Univ, Key Lab Particle Phys & Particle Irradiat MOE, Jinan 250100, Peoples R China

[3] Lanzhou Univ, Sch Phys Sci & Technol, Lanzhou 730000, Peoples R China

[4] Lanzhou Univ, Res Ctr Hadron & CSR Phys, Lanzhou 730000, Peoples R China

[5] Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, 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：

PHYSICAL REVIEW D | 2016年 / 94卷 / 09期

基金：

中国国家自然科学基金;

关键词：

MASS-SPECTRA; J/PSI-PHI; PENTAQUARK; DECAYS; STATES;

D O I：

10.1103/PhysRevD.94.094031

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

In the simple color-magnetic interaction model, we investigate possible ground cs (c) over bar (s) over bar tetraquark states in the diquark-antidiquark basis. We use several methods to estimate the mass spectrum and discuss possible assignment for the X states observed in the J/psi phi channel. We find that assigning the Belle X(4350) as a 0(++) tetraquark is consistent with the tetraquark interpretation for the X(4140) and X(4270) while the interpretation of the X(4500) and X(4700) needs orbital or radial excitation. There probably exist several tetraquarks around 4.3 GeV that decay into J/psi phi or eta(c)phi

引用

页数：10

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