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Could the X(3915) and the X(3930) Be the Same Tensor State?
Zhou, ZY; Xiao, ZG; Zhou, HQ; Xiao, ZG (reprint author), Univ Sci & Technol China, Interdisciplinary Ctr Theoret Study, Hefei 230026, Anhui, Peoples R China.
2015
发表期刊PHYSICAL REVIEW LETTERS
卷号115期号:2页码:22001
文章类型Article
摘要By using a combined amplitude analysis of the gamma gamma -> D (D) over bar and gamma gamma -> J/psi omega data, we demonstrate that the X(3915), which is quoted as a J(PC) = 0(++) state in the Particle Data Group table, is favored by the data to be a J(PC) = 2(++) state appearing in both channels, which means that the X(3915) and the X(3930) can be regarded as the same J(PC) = 2(++) state. Meanwhile, the data also prefer a large helicity-0 contribution of this tensor resonance to the amplitudes instead of the helicity-2 dominance assumed by BABAR, which may indicate a sizable portion of non-q (q) over bar components in this state. Identifying the X(3915) with the X(3930) and abandoning the helicity-2 dominance for this tensor state are helpful for the further understandings of the properties of this state and also of the mysterious "XYZ" charmoniumlike resonances.
学科领域Physics
资助者National Natural Science Foundation of China [11375044, 11105138, 11235010] ; National Natural Science Foundation of China [11375044, 11105138, 11235010] ; Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry ; Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry ; Fundamental Research Funds for the Central Universities [WK2030040020] ; Fundamental Research Funds for the Central Universities [WK2030040020] ; National Natural Science Foundation of China [11375044, 11105138, 11235010] ; National Natural Science Foundation of China [11375044, 11105138, 11235010] ; Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry ; Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry ; Fundamental Research Funds for the Central Universities [WK2030040020] ; Fundamental Research Funds for the Central Universities [WK2030040020]
DOIhttp://dx.doi.org/10.1103/PhysRevLett.115.022001
关键词[WOS]QUARK-MODEL ; CHARMONIUM ; DECAYS
收录类别SCI
语种英语
资助者National Natural Science Foundation of China [11375044, 11105138, 11235010] ; National Natural Science Foundation of China [11375044, 11105138, 11235010] ; Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry ; Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry ; Fundamental Research Funds for the Central Universities [WK2030040020] ; Fundamental Research Funds for the Central Universities [WK2030040020] ; National Natural Science Foundation of China [11375044, 11105138, 11235010] ; National Natural Science Foundation of China [11375044, 11105138, 11235010] ; Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry ; Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry ; Fundamental Research Funds for the Central Universities [WK2030040020] ; Fundamental Research Funds for the Central Universities [WK2030040020]
WOS类目Physics, Multidisciplinary
引用统计
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/20932
专题理论物理所2015年知识产出
通讯作者Xiao, ZG (reprint author), Univ Sci & Technol China, Interdisciplinary Ctr Theoret Study, Hefei 230026, Anhui, Peoples R China.
推荐引用方式
GB/T 7714
Zhou, ZY,Xiao, ZG,Zhou, HQ,et al. Could the X(3915) and the X(3930) Be the Same Tensor State?[J]. PHYSICAL REVIEW LETTERS,2015,115(2):22001.
APA Zhou, ZY,Xiao, ZG,Zhou, HQ,&Xiao, ZG .(2015).Could the X(3915) and the X(3930) Be the Same Tensor State?.PHYSICAL REVIEW LETTERS,115(2),22001.
MLA Zhou, ZY,et al."Could the X(3915) and the X(3930) Be the Same Tensor State?".PHYSICAL REVIEW LETTERS 115.2(2015):22001.
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