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题名: One-pion-exchange effect in the energy spectrum of muonic hydrogen
作者: Zhou, HQ;  Pang, HR
刊名: PHYSICAL REVIEW A
出版日期: 2015
卷号: 92, 期号:3, 页码:32512
学科分类: Optics ;  Physics
DOI: http://dx.doi.org/10.1103/PhysRevA.92.032512
通讯作者: Zhou, HQ (reprint author), Southeast Univ, Dept Phys, Nanjing 210094, Jiangsu, Peoples R China.
文章类型: Article
英文摘要: In this work, the effects from one-pion exchange in ep and mu p bound states by two-photon coupling are discussed. We at first calculate the effective couplings of a pion with a lepton (electron or muon) by two-photon coupling and the corresponding effective nonrelativistic potential. Then we calculate its corrections to the hyperfine structure of 2S and 2P states. We find that the corrections to the hyperfine structures of electronic hydrogen's 2S and 2P states and muonic hydrogen's 2P state are small and can be neglected, while the correction to the hyperfine structure of muonic hydrogen's 2S state Delta E-HFS(2S) (F = 1, mu p) is about 0.0028 meV. And after some further discussion we suggest that the similar exchange of a scalar meson such as sigma between mu p by two-photon coupling may give a much larger contribution to the Lamb shift of muonic hydrogen.
类目[WOS]: Optics ;  Physics, Atomic, Molecular & Chemical
关键词[WOS]: CHIRAL PERTURBATION-THEORY ;  LAMB SHIFT ;  POLARIZABILITY CONTRIBUTION ;  FORM-FACTORS ;  PROTON
收录类别: SCI
项目资助者: National Natural Science Foundations of China [11375044] ;  Fundamental Research Funds for the Central Universities [2242014R30012]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/20849
Appears in Collections:理论物理所2015年知识产出_期刊论文

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Recommended Citation:
Zhou, HQ,Pang, HR. One-pion-exchange effect in the energy spectrum of muonic hydrogen[J]. PHYSICAL REVIEW A,2015,92(3):32512.
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