Precise Measurement of the e+e- →π+π- J/ψ Cross Section at Center-of-Mass Energies from 3.77 to 4.60 GeV
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- 刊物名称:PHYSICAL REVIEW LETTERS
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- 作者:Ablikim, M; Achasov, MN; Ahmed, S et al. (BESIII Collaboration)
- 发表年度:2017
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