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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
作者机构:
[Zhang Zhen-Hua] Univ South China, Sch Nucl Sci & Technol, Hengyang 421001, Peoples R China.
[Zhang Zhen-Hua; Lu, Gang] Univ South China, Cooperat Innovat Ctr Nucl Fuel Cycle Technol & Eq, Hengyang 421001, Peoples R China.
[Wei Ke-Wei; Lu, Gang] Henan Univ Technol, Coll Sci, Zhengzhou 450001, Peoples R China.
[Wei Ke-Wei] Anyang Normal Univ, Coll Phys & Elect Engn, Anyang 455002, Peoples R China.
语种:
英文
关键词:
X(3872);mass degeneracy;B meson
关键词(中文):
自旋粒子;质量退化;测具;级联衰变;相似;可导
期刊:
中国物理C
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 Science Foundation of China (NSFC) [11347124, 11147003, U1204115]; Doctoral Scientific Research Foundation of USC; Innovation Team of Nuclear and Particle Physics of USC
机构署名:
本校为第一机构
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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