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αsv2 corrections to ηc and χcJ production recoiled with a photon at e+e− colliders

  • Beihang University
  • Liaoning University
  • Chinese Academy of Sciences

科研成果: 期刊稿件 › 文章 › 同行评审

摘要

We consider the production of ηc and χcJ states recoiled with a photon upto O(αsv2) at BESIII and B-factories within the frame of NRQCD factorization. With the corrections, we revisit the numerical calculations to the cross sections for ηc(nS) and χcJ (mP) states. We argue that the search for XY Z states with even charge conjugation such as X(3872), X(3940), X(4160), and X(4350) recoiled with a photon at BESIII may help clarify the nature of these states. For completeness, the production of charmonium with even charge conjugation recoiled with a photon at B factories is also discussed.

源语言英语
期刊论文编号71
期刊Journal of High Energy Physics
卷2014
期10
DOI
出版状态已出版 - 10月 2014

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