Decay width of hadronic molecule structure for quarks

被引：4
作者：
Chen, Xiaozhao [1 ]
Lu, Xiaofu [2 ,3 ,4 ]
机构：
[1] Shandong Univ Sci & Technol, Dept Fdn Courses, Tai An 271019, Shandong, Peoples R China
[2] Sichuan Univ, Dept Phys, Chengdu 610064, Peoples R China
[3] Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
[4] CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China
来源：
PHYSICAL REVIEW D | 2018年 / 97卷 / 11期
基金：
中国国家自然科学基金;
关键词：
STATE; MASS;
D O I：
10.1103/PhysRevD.97.114005
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Based on the general form of the Bethe-Salpeter wave functions for the bound states consisting of two vector fields, we obtain the general formulas for the decay widths of molecular states composed of two heavy vector mesons with arbitrary spin and parity into a heavy meson plus a light meson. In this approach, our attention is still focused on the internal structure of heavy vector mesons in the molecular state. According to the molecule state model of exotic meson, we give the generalized Bethe-Salpeter wave function of molecular state as a four-quark state. Then the observed Y(3940) state is considered as a molecular state consisting of two heavy vector mesons D*(0)(D) over bar*(0) and the strong Y(3940) -> J/psi omega decay width is calculated. The numerical result is consistent with the experimental values.
引用
收藏
页数：11
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