Role of J/ ψ production in electron-ion collisions

被引：1
|
作者：
Chu, Zexuan [1 ,2 ]
Chen, Jinhui [1 ,2 ,3 ,4 ]
Wang, Xiang-Peng [5 ]
Xing, Hongxi [6 ,7 ,8 ]
机构：
[1] Fudan Univ, Key Lab Nucl Phys & Ion Beam Applicat MOE, Shanghai 200433, Peoples R China
[2] Fudan Univ, Inst Modern Phys, Shanghai 200433, Peoples R China
[3] NSFC, Shanghai Res Ctr Theoret Nucl Phys, Shanghai 200438, Peoples R China
[4] Fudan Univ, Shanghai 200438, Peoples R China
[5] Tech Univ Munich, TUM Sch Nat Sci, Phys Dept, James Franck Str 1, D-85748 Garching, Germany
[6] South China Normal Univ, Inst Quantum Matter, Guangdong Basic Res Ctr Excellence Struct & Fundam, Key Lab Atom & Subatom Struct & Quantum Control MO, Guangzhou 510006, Peoples R China
[7] South China Normal Univ, Southern Nucl Sci Comp Ctr, Guangdong Hong Kong Joint Lab Quantum Matter, Guangdong Prov Key Lab Nucl Sci, Guangzhou 510006, Guangdong, Peoples R China
[8] Chinese Acad Sci, Inst Modern Phys, Southern Ctr Nucl Sci Theory SCNT, Huizhou 516000, Peoples R China
来源：
PHYSICAL REVIEW D | 2025年 / 111卷 / 01期
基金：
中国国家自然科学基金;
关键词：
DEEP-INELASTIC SCATTERING; INCLUSIVE PRODUCTION; HEAVY QUARKONIUM; J/PSI MESONS; LEPTOPRODUCTION; PHOTOPRODUCTION;
D O I：
10.1103/PhysRevD.111.L011501
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Within the framework of nonrelativistic QCD (NRQCD) effective field theory, we study the leptoproduction of J/jr at next-to-leading order in perturbative QCD for both unpolarized and polarized electron-ion collisions. We demonstrate that the J/jr-tagged deep inelastic scattering in the future ElectronIon Collider can be served as a golden channel for reasons including constraining NRQCD long-distance matrix elements, probing the nuclear gluon distribution functions, as well as investigating the gluon helicity distribution inside a longitudinal polarized proton.
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收藏
页数：7
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