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Determining the helicity structure of the nucleon at the Electron Ion Collider in China

文献类型：期刊论文

作者Anderle, Daniele Paolo5,6,7; Hou, Tie-Jiun8; Xing, Hongxi5,6; Yan, Mengshi1,9; Yuan, C-P2; Zhao, Yuxiang3,4
刊名JOURNAL OF HIGH ENERGY PHYSICS
出版日期2021-08-09
期号8页码:41
ISSN号1029-8479
关键词Deep Inelastic Scattering (Phenomenology) QCD Phenomenology
DOI10.1007/JHEP08(2021)034
通讯作者Anderle, Daniele Paolo(dpa@m.scnu.edu.cn)
英文摘要Understanding how sea quarks behave inside a nucleon is one of the most important physics goals of the proposed Electron-Ion Collider in China (EicC), which is designed to have a 3.5 GeV polarized electron beam (80% polarization) colliding with a 20 GeV polarized proton beam (70% polarization) at instantaneous luminosity of 2 x 10(33)cm(-2)s(-1). A specific topic at EicC is to understand the polarization of individual quarks inside a longitudinally polarized nucleon. The potential of various future EicC data, including the inclusive and semi-inclusive deep inelastic scattering data from both doubly polarized electron-proton and electron-He-3 collisions, to reduce the uncertainties of parton helicity distributions is explored at the next-to-leading order in QCD, using the Error PDF Updating Method Package (ePump) which is based on the Hessian profiling method. We show that the semi-inclusive data are well able to provide good separation between flavour distributions, and to constrain their uncertainties in the x > 0.005 region, especially when electron-He-3 collisions, acting as effective electron-neutron collisions, are taken into account. To enable this study, we have generated a Hessian representation of the DSSV14 set of PDF replicas, named DSSV14H PDFs.
WOS关键词MONTE-CARLO GENERATOR ; LEADING-ORDER ; FRAGMENTATION FUNCTIONS ; PARTON DISTRIBUTIONS ; LEPTON ; POLARIZATION
资助项目Strategic Priority Research Program of Chinese Academy of Sciences[XDB34030301] ; Guangdong Major Project of Basic and Applied Basic Research[2020B0301030008] ; National Natural Science Foundation of China (NSFC)[12022512] ; National Natural Science Foundation of China (NSFC)[12035007] ; Science and Technology Program of Guangzhou[2019050001] ; Guangdong Provincial Key Laboratory of Nuclear Science[2019B121203010] ; U.S. National Science Foundation[PHY-2013791] ; China Postdoctoral Science Foundation[2020M672668]
WOS研究方向Physics
语种英语
出版者SPRINGER
WOS记录号WOS:000684229300001
资助机构Strategic Priority Research Program of Chinese Academy of Sciences ; Guangdong Major Project of Basic and Applied Basic Research ; National Natural Science Foundation of China (NSFC) ; Science and Technology Program of Guangzhou ; Guangdong Provincial Key Laboratory of Nuclear Science ; U.S. National Science Foundation ; China Postdoctoral Science Foundation
源URL[http://119.78.100.186/handle/113462/136635]  
专题中国科学院近代物理研究所
通讯作者Anderle, Daniele Paolo
作者单位1.Peking Univ, State Key Lab Nucl Phys & Technol, Beijing 100871, Peoples R China
2.Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA
3.Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
5.South China Normal Univ, Inst Quantum Matter, Guangdong Prov Key Lab Nucl Sci, Guangzhou 510006, Peoples R China
6.South China Normal Univ, Southern Nucl Sci Comp Ctr, Guangdong Hong Kong Joint Lab Quantum Matter, Guangzhou 510006, Peoples R China
7.Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA
8.Northeastern Univ, Dept Phys, Shenyang 110819, Peoples R China
9.Peking Univ, Dept Phys, Beijing 100871, Peoples R China
推荐引用方式
GB/T 7714		 Anderle, Daniele Paolo,Hou, Tie-Jiun,Xing, Hongxi,et al. Determining the helicity structure of the nucleon at the Electron Ion Collider in China[J]. JOURNAL OF HIGH ENERGY PHYSICS,2021(8):41.
APA Anderle, Daniele Paolo,Hou, Tie-Jiun,Xing, Hongxi,Yan, Mengshi,Yuan, C-P,&Zhao, Yuxiang.(2021).Determining the helicity structure of the nucleon at the Electron Ion Collider in China.JOURNAL OF HIGH ENERGY PHYSICS(8),41.
MLA Anderle, Daniele Paolo,et al."Determining the helicity structure of the nucleon at the Electron Ion Collider in China".JOURNAL OF HIGH ENERGY PHYSICS .8(2021):41.

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来源：近代物理研究所

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