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Chang, Chao-Hsi; Li, Rong; Wang, Jian-Xiong; Chang, CH , Chinese Acad Sci, Inst High Energy Phys, POB 918 4, Beijing 100049, Peoples R China
J/psi polarization in photoproduction up to the next-to-leading order of QCD
Source PublicationPHYSICAL REVIEW D
KeywordInelastic Photoproduction Heavy Quarkonium States Hera Psi Lhc
AbstractWe investigate the J/psi polarization in photoproduction at the Hadron Electron Ring Accelerator (HERA) up to the next-to-leading order of QCD. The results show that the transverse momentum p(t) and energy fraction z distributions of J/psi production do not agree with the observed ones very well. The theoretical uncertainties for the z distributions of the J/psi polarization parameters with respect to various choices of the renormalization and factorization scales are too large to give a definite predication. The uncertainties for the p(t) distributions of these parameters are small when p(t) > 3 GeV and the obtained p(t) distributions cannot describe the experimental data even in this region.
2009
ISSN1550-7998
Volume80Issue:3Pages:-
Subject AreaPhysics
Indexed BySCI
Funding OrganizationNational Natural Science Foundation of China[10775141, 10547001, 10875155]; Chinese Academy of Sciences[KJCX3-SYW-N2] ; National Natural Science Foundation of China[10775141, 10547001, 10875155]; Chinese Academy of Sciences[KJCX3-SYW-N2] ; National Natural Science Foundation of China[10775141, 10547001, 10875155]; Chinese Academy of Sciences[KJCX3-SYW-N2] ; National Natural Science Foundation of China[10775141, 10547001, 10875155]; Chinese Academy of Sciences[KJCX3-SYW-N2]
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Cited Times:27[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5267
Collection理论物理所科研产出_SCI论文
Corresponding AuthorChang, CH , Chinese Acad Sci, Inst High Energy Phys, POB 918 4, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Chang, Chao-Hsi,Li, Rong,Wang, Jian-Xiong,et al. J/psi polarization in photoproduction up to the next-to-leading order of QCD[J]. PHYSICAL REVIEW D,2009,80(3):-.
APA Chang, Chao-Hsi,Li, Rong,Wang, Jian-Xiong,&Chang, CH , Chinese Acad Sci, Inst High Energy Phys, POB 918 4, Beijing 100049, Peoples R China.(2009).J/psi polarization in photoproduction up to the next-to-leading order of QCD.PHYSICAL REVIEW D,80(3),-.
MLA Chang, Chao-Hsi,et al."J/psi polarization in photoproduction up to the next-to-leading order of QCD".PHYSICAL REVIEW D 80.3(2009):-.
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