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题名: Pion-induced production of the Z(c)(3900) off a nuclear target
作者: Huang, Y ;  He, J ;  Liu, X ;  Zhang, HF ;  Xie, JJ ;  Chen, XR
刊名: PHYSICAL REVIEW D
出版日期: 2016
卷号: 93, 期号:3, 页码:34022
学科分类: Astronomy & Astrophysics; Physics
DOI: http://dx.doi.org/10.1103/PhysRevD.93.034022
通讯作者: He, J (reprint author), Lanzhou Univ, Res Ctr Hadron & CSR Phys, Lanzhou 730000, Peoples R China. ;  He, J (reprint author), Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China. ;  He, J (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
文章类型: Article
英文摘要: We investigate the possibility to study the charmoniumlike state Z(c)(3900) through the pion-induced production off a nuclear target. By using a high-energy pion beam, the Z(c)(3900) can be produced off a proton or nucleus though the Primakoff effect. The production amplitude is calculated in an effective Lagrangian approach combined with the vector dominance model. The total cross sections of the p(pi(-), Z(c)(-)(3900) and p(pi(-), Z(c)(-)(3900) -> J/psi pi(-)) reactions are calculated, and their order of magnitude is about 0.1 and 0.01 nb, respectively, with an assumption of branch ratio 10% for the Z(c)(3900) decay in J/psi pi channel. If the proton target is replaced by a nuclear target, the production of the Z(c)(3900) enhances obviously. The predicted total cross sections for the A(pi(-), Z(c)(-)(3900) and A(pi(-), Z(c)(-)(3900) -> J/psi pi(-)) reactions with A = C-12 or Pb-208 are on the order of magnitude of 100 and 10 nb, respectively, which is about one thousand times larger than the cross sections off a proton target. Based on these results, we suggest the experimental study of the Z(c)(3900) by using high-energy pion beams with a nuclear target at facilities such as COMPASS and J-PARC.
类目[WOS]: Astronomy & Astrophysics ;  Physics, Particles & Fields
关键词[WOS]: SEARCH ;  J/PSI
收录类别: SCI
项目资助者: Major State Basic Research Development Program in China [2014CB845400] ;  National Natural Science Foundation of China [11275235, 11035006, 11175220, 11175073, 11222547]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21772
Appears in Collections:理论物理所2016年知识产出_期刊论文

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Recommended Citation:
Huang, Y,He, J,Liu, X,et al. Pion-induced production of the Z(c)(3900) off a nuclear target[J]. PHYSICAL REVIEW D,2016,93(3):34022.
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