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Feng, Yu; Gong, Bin; Chang, Chao-Hsi; Wang, Jian-Xiong
Complete study on polarization of Upsilon(nS) hadroproduction at QCD next-to-leading order
Source PublicationCHINESE PHYSICS C
Language英语
AbstractBy applying the nonrelativistic quantum chromodynamics factorization formalism to Upsilon(1S, 2S, 3S) hadroproduction, a complete analysis of the polarization parameters, lambda(theta), lambda(theta phi), lambda(phi) and for the production is presented at QCD next-to-leading order. With the long-distance matrix elements extracted from experimental data for the production rate and polarization parameter lambda(theta) of Upsilon hadroproduction, our results provide a good description of the measured parameters lambda(theta phi) and lambda(theta) in both the helicity and Collins-Soper frames. In our calculations, the frame invariant parameter (lambda) over tilde is consistent in the two frames. Finally, we mention that there are discrepancies between the available experimental data and corresponding theoretical predictions for (lambda) over tilde.
2021
ISSN1674-1137
Volume45Issue:1Pages:13117
Cooperation Status国内
Subject AreaPhysics
MOST Discipline CataloguePhysics, Nuclear ; Physics, Particles & Fields
DOI10.1088/1674-1137/abc682
Indexed BySCIE
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/27290
CollectionSCI期刊论文
Affiliation1.Army Med Univ, Dept Phys, Coll Basic Med Sci, 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, Yu,Gong, Bin,Chang, Chao-Hsi,et al. Complete study on polarization of Upsilon(nS) hadroproduction at QCD next-to-leading order[J]. CHINESE PHYSICS C,2021,45(1):13117.
APA Feng, Yu,Gong, Bin,Chang, Chao-Hsi,&Wang, Jian-Xiong.(2021).Complete study on polarization of Upsilon(nS) hadroproduction at QCD next-to-leading order.CHINESE PHYSICS C,45(1),13117.
MLA Feng, Yu,et al."Complete study on polarization of Upsilon(nS) hadroproduction at QCD next-to-leading order".CHINESE PHYSICS C 45.1(2021):13117.
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