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Probing the mass degeneracy of particles with different spins

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成果类型:
期刊论文
作者:
Zhang Zhen-Hua;Lu, Gang;Wei Ke-Wei
通讯作者:
Zhang, ZH
作者机构:
School of Nuclear Science and Technology, University of South China, Hengyang, 421001, China
Cooperative Innovation Center for Nuclear Fuel Cycle Technology and Equipment, University of South China, Hengyang, 421001, China
College of Science, Henan University of Technology, Zhengzhou, 450001, China
College of Physics and Electrical Engineering, Anyang Normal University, Anyang, 455002, China
[Zhang Zhen-Hua] Univ South China, Sch Nucl Sci & Technol, Hengyang 421001, Peoples R China.
通讯机构:
[Zhang, ZH ] Univ South China, Sch Nucl Sci & Technol, Hengyang 421001, Peoples R China.
语种:
英文
关键词:
B meson;X(3872);mass degeneracy
期刊:
Chinese Physics C
期刊(中文):
中国物理C:英文版
ISSN:
1674-1137
年:
2015
卷:
39
期:
5
页码:
053101-1-053101-3
基金类别:
National Natural Science Foundation of ChinaNational Natural ScienceFoundation of China [11347124, 11147003, U1204115]; Doctoral ScientificResearch Foundation of USC; Innovation Team of Nuclear and ParticlePhysics of USC
机构署名:
本校为第一且通讯机构
院系归属:
机械工程学院
核科学技术学院
摘要:
The spin is an important property of a particle. Although it is unlikely, there is still a possibility that two particles with different spins share similar masses. In this paper, we propose a method to probe this kind of mass degeneracy of particles with different 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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