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Feng, Y; Gong, B; Chang, CH; Wang, JX
Remaining parts of the long-standing J/psi polarization puzzle
Source PublicationPHYSICAL REVIEW D
Language英语
AbstractBased on the nonrelativistic quantum chromodynamics factorization formalism, the polarization parameters lambda(theta phi) and lambda(phi) of prompt J/psi hadroproduction for CMS and LHCb are analyzed in the helicity frame and calculated at QCD next-to-leading order for the first time. For prompt J/psi production, we take into account the feed-down contributions from chi(cJ) and psi(2S) decays. The theoretical predictions for the polarization parameters lambda(theta phi) and of J/psi are presented. Using the theoretical results, we perform a simultaneous fit to the experimental measurements of the yield and polarization of J/psi hadroproduction, and find that the results describe the experimental measurements at the LHC quite well.
2019
ISSN2470-0010
Volume99Issue:1Pages:14044
Subject AreaAstronomy & Astrophysics ; Physics
MOST Discipline CatalogueAstronomy & Astrophysics ; Physics, Particles & Fields
DOI10.1103/PhysRevD.99.014044
Indexed BySCIE
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Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/23500
CollectionSCI期刊论文
Affiliation1.Army Med Univ, Coll Basic Med Sci, Dept Phys, Chongqing 400038, Peoples R China
2.Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, Beijing 100190, Peoples R China
3.Chinese Acad Sci, Inst High Energy Phys, POB 918 4, Beijing 100049, Peoples R China
4.Univ Chinese Acad Sci, Sch Phys Sci, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Feng, Y,Gong, B,Chang, CH,et al. Remaining parts of the long-standing J/psi polarization puzzle[J]. PHYSICAL REVIEW D,2019,99(1):14044.
APA Feng, Y,Gong, B,Chang, CH,&Wang, JX.(2019).Remaining parts of the long-standing J/psi polarization puzzle.PHYSICAL REVIEW D,99(1),14044.
MLA Feng, Y,et al."Remaining parts of the long-standing J/psi polarization puzzle".PHYSICAL REVIEW D 99.1(2019):14044.
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