Probing the mass degeneracy of particles with different spins

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ZHANG Zhen-Hua, LÜ Gang and WEI Ke-Wei. Probing the mass degeneracy of particles with different spins[J]. Chinese Physics C, 2015, 39(5): 053101. doi: 10.1088/1674-1137/39/5/053101
ZHANG Zhen-Hua, LÜ Gang and WEI Ke-Wei. Probing the mass degeneracy of particles with different spins[J]. Chinese Physics C, 2015, 39(5): 053101.  doi: 10.1088/1674-1137/39/5/053101 shu
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Received: 2014-05-28
Revised: 2014-11-04
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Probing the mass degeneracy of particles with different spins

    Corresponding author: ZHANG Zhen-Hua,
    Corresponding author: WEI Ke-Wei,
  • School of Nuclear Science and Technology, University of South China, Hengyang 421001, China;2 Cooperative Innovation Center for Nuclear Fuel Cycle Technology & Equipment, University of South China, Hengyang 421001, China;3 College of Science, Henan University of Technology, Zhengzhou 450001, China;4 College of Physics and Electrical Engineering, Anyang Normal University, Anyang 455002, China

Abstract: The spin is an important property of a particle. Although it is unlikely, there is still a possibility that two particles with di erent spins share similar masses. In this paper, we propose a method to probe this kind of mass degeneracy of particles with di erent spins. We use the cascade decay B+→X(3872)K+, X(3872)→D+D- to illustrate our method. It can be seen that the possible mass degeneracy of X(3872) can lead to interesting behavior in the corresponding cascade decay.

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