ITP OpenIR  > SCI期刊论文
Zheng, Xu-Chang; Chang, Chao-Hsi; Wu, Xing-Gang
NLO fragmentation functions of heavy quarks into heavy quarkonia
Source PublicationPHYSICAL REVIEW D
Language英语
KeywordDEEP INELASTIC-SCATTERING INCLUSIVE ANNIHILATION PARTON DENSITIES LEADING ORDER EP SCATTERING MESONS CHARM DECAY
AbstractIn this paper we derive the next-to-leading-order (NLO) fragmentation function for a heavy quark, either charm or bottom, into a heavy quarkonium J/Psi or gamma. The ultraviolet divergences in the real corrections are removed through operator renormalization, which is performed in the modified minimal subtraction scheme. We then obtain the NLO fragmentation function at an initial factorization scale, e. g., mu(F) = 3m(c) for c -> J/Psi and mu(F) = 3mb for b -> gamma, which can be evolved to any scale via the use of the DokshitzerGribov- Lipatov-Altarelli-Parisi equation. As an initial application of these fragmentation functions, we study J/Psi (gamma) production at a high-luminosity e(+)e(-) collider running at an energy around the Z pole, which could be a suitable platform for testing the fragmentation function.
2019
ISSN2470-0010
Volume100Issue:1Pages:14005
Cooperation Status国内
Subject AreaAstronomy & Astrophysics ; Physics
MOST Discipline CatalogueAstronomy & Astrophysics ; Physics, Particles & Fields
DOI10.1103/PhysRevD.100.014005
Indexed BySCIE
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Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/27036
CollectionSCI期刊论文
Affiliation1.[Zheng, Xu-Chang
2.Chongqing Univ, Dept Phys, Chongqing 401331, Peoples R China
3.Chinese Acad Sci, Inst Theoret Phys, Key Lab Theoret Phys, Beijing 100190, Peoples R China
4.Univ Chinese Acad Sci, Sch Phys Sci, Beijing 100049, Peoples R China
5.CCAST World Lab, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Zheng, Xu-Chang,Chang, Chao-Hsi,Wu, Xing-Gang. NLO fragmentation functions of heavy quarks into heavy quarkonia[J]. PHYSICAL REVIEW D,2019,100(1):14005.
APA Zheng, Xu-Chang,Chang, Chao-Hsi,&Wu, Xing-Gang.(2019).NLO fragmentation functions of heavy quarks into heavy quarkonia.PHYSICAL REVIEW D,100(1),14005.
MLA Zheng, Xu-Chang,et al."NLO fragmentation functions of heavy quarks into heavy quarkonia".PHYSICAL REVIEW D 100.1(2019):14005.
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