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Confinement of proton beam in a magnetic mirror

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Abstract

By using particle-in-cell(PIC) simulation method, the proton beam confinement in a magnetic mirror is investigated in the present paper. We define two physical quantities to describe the confinement effects of mirror for proton beam. One is loss rate χ=Nlost/N0, where Nlost is the number of leaked particles from the mirror and N0 is the number of initial particles. The other is confinement time τm. Dependences of loss rate and confinement time on the parameters of both magnetic mirror and proton beam is given. It is found that the larger the mirror ratio, the less the loss rate, and the longer the confinement time. The appropriate proton beam velocity and other parameters of the protons can significantly improve the confinement time of the mirror and the efficiency of confinement.

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Authors and Affiliations

  1. Northwest Normal University, Lanzhou, 730070, P.R. China

    Fang-Ping Wang, Heng Zhang, Zhong-Zheng Li & Wen-Shan Duan

  2. Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, 730000, P.R. China

    Xiao-Ying Zhao & Lei Yang

Authors
  1. Fang-Ping Wang
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  2. Heng Zhang
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  3. Xiao-Ying Zhao
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  4. Zhong-Zheng Li
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  5. Wen-Shan Duan
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  6. Lei Yang
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Correspondence to Wen-Shan Duan or Lei Yang.

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Wang, FP., Zhang, H., Zhao, XY. et al. Confinement of proton beam in a magnetic mirror. Eur. Phys. J. D 73, 130 (2019). https://doi.org/10.1140/epjd/e2019-90587-0

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  • DOI: https://doi.org/10.1140/epjd/e2019-90587-0

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