The Three-Pion Decays of the a(1) (1260)
文献类型：期刊论文
| 作者 | Zhang, Xu1; Xie, Ju-Jun |
| 刊名 | COMMUNICATIONS IN THEORETICAL PHYSICS
 |
| 出版日期 | 2018-07-01 |
| 卷号 | 70页码:60-66 |
| 关键词 | effective Lagagian approach axial-vector meson final state interactions |
| ISSN号 | 0253-6102 |
| DOI | 10.1088/0253-6102/70/1/60 |
| 英文摘要 | We investigate the decay of a(1)+ (1260) -> pi(+) pi(+) pi(-) with the assumption that the a(1) (1260) is dynamically generated from the coupled channel rho pi and (K) over barK* interactions. In addition to the tree level diagrams that proceed via a(1)(+) (1260) -> rho(0)pi -> pi(+) pi(+) pi(-) , we take into account also the final state interactions of pi pi -> pi pi and (K) over barK -> pi pi. We calculate the invariant pi(+) pi(-) mass distribution and also the total decay width of a(1)+ (1260) -> pi(+) pi(+) pi(-) as a function of the mass of a(1) (1260). The calculated total decay width of a(1) (1260) is significantly different from other model calculations and tied to the dynamical nature of the a(1) (1260) resonance. The future experimental observations could test of model calculations and would provide vary valuable information on the relevance of the rho pi component in the a(1) (1260) wave function. |
| WOS关键词 | ENERGY HADRON PHYSICS ; AXIAL-VECTOR MESONS ; HIDDEN LOCAL SYMMETRY ; GAUGE BOSON ; RESONANCES ; QCD ; A(1)(1260) ; WIDTH |
| 资助项目 | National Natural Science Foundation of China[11475227] ; National Natural Science Foundation of China[11735003] ; Youth Innovation Promotion Association CAS[2016367] |
| WOS研究方向 | Physics |
| 语种 | 英语 |
| WOS记录号 | WOS:000442075400010 |
| 出版者 | IOP PUBLISHING LTD |
| 资助机构 | National Natural Science Foundation of China ; Youth Innovation Promotion Association CAS |
| 源URL | [http://119.78.100.186/handle/113462/59306]  |
| 专题 | 中国科学院近代物理研究所 |
| 通讯作者 | Xie, Ju-Jun |
| 作者单位 | 1.Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Gansu, Peoples R China 2.Univ Chinese Acad Sci, Beijing 101408, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhang, Xu,Xie, Ju-Jun. The Three-Pion Decays of the a(1) (1260)[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2018,70:60-66. |
| APA | Zhang, Xu,&Xie, Ju-Jun.(2018).The Three-Pion Decays of the a(1) (1260).COMMUNICATIONS IN THEORETICAL PHYSICS,70,60-66. |
| MLA | Zhang, Xu,et al."The Three-Pion Decays of the a(1) (1260)".COMMUNICATIONS IN THEORETICAL PHYSICS 70(2018):60-66. |
入库方式： OAI收割
来源：近代物理研究所
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