Probing the mass degeneracy of particles with different spins

ZHANG Zhen-Hua; L&Uuml; Gang; WEI Ke-Wei

doi:10.1088/1674-1137/39/5/053101

Chinese Physics C> 2015, Vol. 39> Issue(5) : 053101 DOI: 10.1088/1674-1137/39/5/053101

Probing the mass degeneracy of particles with different spins

ZHANG Zhen-Hua ^1,2,, ,
LÜ Gang ³ ,
WEI Ke-Wei ^4,,

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

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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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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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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

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

Received Date: 2014-05-28

Accepted Date: 2014-11-04

Available Online: 2015-05-05

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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Probing the mass degeneracy of particles with different spins

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通讯作者: 陈斌, bchen63@163.com

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