Radiative decay of hadronic molecule state for quarks

被引：2

作者：

Chen, Xiaozhao ^{[1
]}

Lu, Xiaofu ^{[2
,3
,4
]}

Shi, Renbin ^{[1
]}

Guo, Xiurong ^{[1
]}

Wang, Qingbiao ^{[1
]}

机构：

[1] Shandong Univ Sci & Technol, Dept Foundat 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 | 2020年 / 101卷 / 01期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1103/PhysRevD.101.014009

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Using the general form of the generalized Bethe-Salpeter wave functions for four-quark states describing the meson-meson molecular structure given in our previous work, we obtain the general formulas for the decay widths of molecular states composed of two vector mesons with arbitrary spin and parity into two photons. Then, this general formalism is applied to investigate the radiative two-photon decay of the observed X(3915) state, in which this exotic state X(3915) is considered as a mixed state of two components D*(0)(D) over bar*(0) and D*D+*(-). The numerical result of decay mode X(3915) -> gamma gamma is consistent with the experimental values.

引用

页数：14

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