Chiral quark model study of ud(s)over-bar(s)over-bar tetraquark states
文献类型：期刊论文
| 作者 | Zhang ZY(张宗烨) ; Wang WL(王文玲); Yu YW(余友文); Zhang, ZY; Wang, WL; Huang, F; Yu, YW; Liu, F
|
| 刊名 | HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION
 |
| 出版日期 | 2007 |
| 卷号 | 31期号:9页码:887-891 |
| 关键词 | tetraquark state quark model chiral symmetry |
| 通讯作者 | CAS, Inst High Energy Phys, Beijing 100049, Peoples R China ; Huazhong Normal Univ, Inst Particle Phys, Wuhan 430079, Peoples R China ; CCAST, World Lab, Beijing 100080, Peoples R China |
| 英文摘要 | The energies of the low-lying isoscalar and isovector ud (s) over bar(s) over bar configurations with spin-parity J(P) = 0(+), 1(+), and 2(+) are calculated in the chiral SU(3) quark model and the extended chiral SU(3) quark model by using the variational method. The model parameters are determined by the same method as in our previous work, and they still can satisfactorily describes the nucleon-nucleon scattering phase shifts and the hyperon-nucleon cross sections. The s-channel annihilation interaction is fixed by the masses of K and K* mesons, and the configuration mixing is considered. The results show that the ud (s) over bar(s) over bar configuration with I = 0 and J(P) = 1(+) lies lower than the K*K* threshold, and furthermore, this state has a very small KK* component, thus it can be treated as a possible tetraquark candidate. |
| 学科主题 | Physics |
| 类目[WOS] | Physics, Nuclear ; Physics, Particles & Fields |
| 研究领域[WOS] | Physics |
| 原文出处 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000249228900019 |
| 源URL | [http://ir.ihep.ac.cn/handle/311005/238683]  |
| 专题 | 高能物理研究所_院士 |
| 作者单位 | 中国科学院高能物理研究所 |
| 推荐引用方式 GB/T 7714 | Zhang ZY,Wang WL,Yu YW,et al. Chiral quark model study of ud(s)over-bar(s)over-bar tetraquark states[J]. HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,2007,31(9):887-891. |
| APA | 张宗烨.,王文玲.,余友文.,Zhang, ZY.,Wang, WL.,...&Liu, F.(2007).Chiral quark model study of ud(s)over-bar(s)over-bar tetraquark states.HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION,31(9),887-891. |
| MLA | 张宗烨,et al."Chiral quark model study of ud(s)over-bar(s)over-bar tetraquark states".HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION 31.9(2007):887-891. |
入库方式： OAI收割
来源：高能物理研究所
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