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题名: Impact of eta(c) Hadroproduction Data on Charmonium Production and Polarization within the Nonrelativistic QCD Framework
作者: Zhang, HF;  Sun, Z;  Sang, WL;  Li, R
刊名: PHYSICAL REVIEW LETTERS
出版日期: 2015
卷号: 114, 期号:9, 页码:92006
学科分类: Physics
DOI: http://dx.doi.org/10.1103/PhysRevLett.114.092006
通讯作者: Zhang, HF (reprint author), Third Mil Med Univ, Sch Biomed Engn, Dept Phys, Chongqing 400038, Peoples R China.
文章类型: Article
英文摘要: With the recent LHCb data on eta(c) production and based on heavy quark spin symmetry, we obtain the long-distance matrix elements for both eta(c) and J/psi productions, among which, the color-singlet one for eta(c) is obtained directly by the fit of experiment for the first time. Using our long-distance matrix elements, we can provide good description of the eta(c) and J/psi hadroproduction measurements. Our predictions on J/psi polarization are in good agreement with the LHCb data, explain most of the CMS data, and pass through the two sets of CDF measurements in the medium p(t) region. Considering all the possible uncertainties carefully, we obtained quite narrow bands of the J/psi polarization curves.
类目[WOS]: Physics, Multidisciplinary
关键词[WOS]: OCTET QUARKONIA PRODUCTION ;  PP COLLISIONS ;  ROOT-S=7 TEV ;  HEAVY QUARKONIUM ;  J/PSI PRODUCTION ;  FRAGMENTATION ;  PROGRESS
收录类别: SCI
项目资助者: National Natural Science Foundation of China [11405268, 11447031, 11105152] ;  Fundamental Research Funds for the Central Universities [SWU114003] ;  State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF081CJ1]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21062
Appears in Collections:理论物理所2015年知识产出_期刊论文

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Recommended Citation:
Zhang, HF,Sun, Z,Sang, WL,et al. Impact of eta(c) Hadroproduction Data on Charmonium Production and Polarization within the Nonrelativistic QCD Framework[J]. PHYSICAL REVIEW LETTERS,2015,114(9):92006.
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