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《中国物理C》(英文)编辑部
2024年10月30日

Photoproduction of hidden-charm states in the γp→D*0Λc+ reaction near threshold

  • We report on a theoretical study of the hidden charm N*cc states in the γp→D*0Λc+ reaction near threshold within an effective Lagrangian approach. In addition to the contributions from the s-channel nucleon pole, the t-channel D0 exchange, the u-channel Λc+ exchange and the contact term, we study the contributions from the N*cc states with spin-parity JP=1/2- and 3/2-. The total and differential cross sections of the γp→D*0Λc+ reaction are predicted. It is found that the contributions of these N*cc states give clear peak structures in the total cross sections. Thus, this reaction is another new platform to study the hidden-charm states. It is expected that our model calculation may be tested by future experiments.
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Get Citation
Yin Huang, Ju-Jun Xie, Jun He, Xurong Chen and Hong-Fei Zhang. Photoproduction of hidden-charm states in the γp→D*0Λc+ reaction near threshold[J]. Chinese Physics C, 2016, 40(12): 124104. doi: 10.1088/1674-1137/40/12/124104
Yin Huang, Ju-Jun Xie, Jun He, Xurong Chen and Hong-Fei Zhang. Photoproduction of hidden-charm states in the γp→D*0Λc+ reaction near threshold[J]. Chinese Physics C, 2016, 40(12): 124104.  doi: 10.1088/1674-1137/40/12/124104 shu
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Received: 2016-06-20
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    Supported by Major State Basic Research Development Program in China (2014CB845400), National Natural Science Foundation of China (11475227, 11275235, 11035006) and Chinese Academy of Sciences (Knowledge Innovation Project (KJCX2-EW-N01), Youth Innovation Promotion Association CAS (2016367), Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China (Y5KF151CJ1)

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Photoproduction of hidden-charm states in the γp→D*0Λc+ reaction near threshold

    Corresponding author: Yin Huang, huangy2014@lzu.cn
    Corresponding author: Ju-Jun Xie, huangy2014@lzu.cn
  • 1. Research Center for Hadron and CSR Physics, Lanzhou University and Institute of Modern Physics of CAS, Lanzhou 730000, China
  • 2. School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China
  • 3. Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
  • 4. Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
  • 5. School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China
Fund Project:  Supported by Major State Basic Research Development Program in China (2014CB845400), National Natural Science Foundation of China (11475227, 11275235, 11035006) and Chinese Academy of Sciences (Knowledge Innovation Project (KJCX2-EW-N01), Youth Innovation Promotion Association CAS (2016367), Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China (Y5KF151CJ1)

Abstract: We report on a theoretical study of the hidden charm N*cc states in the γp→D*0Λc+ reaction near threshold within an effective Lagrangian approach. In addition to the contributions from the s-channel nucleon pole, the t-channel D0 exchange, the u-channel Λc+ exchange and the contact term, we study the contributions from the N*cc states with spin-parity JP=1/2- and 3/2-. The total and differential cross sections of the γp→D*0Λc+ reaction are predicted. It is found that the contributions of these N*cc states give clear peak structures in the total cross sections. Thus, this reaction is another new platform to study the hidden-charm states. It is expected that our model calculation may be tested by future experiments.

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