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Next-to-Leading Order QCD Factorization for Semi-Inclusive Deep Inelastic Scattering at Twist 4

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成果类型:
期刊论文
作者:
Kang, Zhong-Bo*;Wang, Enke(王恩科);Wang, Xin-Nian;Xing, Hongxi
通讯作者:
Kang, Zhong-Bo
作者机构:
[Xing, Hongxi; Kang, Zhong-Bo] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
[Wang, Enke; Xing, Hongxi; Wang, Xin-Nian] Cent China Normal Univ, Inst Particle Phys, Wuhan 430079, Peoples R China.
[Wang, Enke; Xing, Hongxi; Wang, Xin-Nian] Cent China Normal Univ, Key Lab Lepton & Quark Phys MOE, Wuhan 430079, Peoples R China.
[Wang, Xin-Nian] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Nucl Sci, Berkeley, CA 94720 USA.
[Xing, Hongxi] Univ Sci & Technol China, Interdisciplinary Ctr Theoret Study, Hefei 230026, Peoples R China.
通讯机构:
[Kang, Zhong-Bo] L
Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA.
语种:
英文
期刊:
PHYSICAL REVIEW LETTERS
ISSN:
0031-9007
年:
2014
卷:
112
期:
10
页码:
102001
基金类别:
U.S. DOEUnited States Department of Energy (DOE) [DE-AC52-06NA25396, DE-AC02-05CH11231]; Major State Basic Research Development Program in ChinaNational Basic Research Program of China [2014CB845404]; NSFCNational Natural Science Foundation of China (NSFC) [11221504, 10825523]; China MOSTMinistry of Science and Technology, China [2014DFG02050]
机构署名:
本校为其他机构
院系归属:
物理科学与技术学院
心理学院
摘要:
Within the framework of a high-twist approach, we calculate the next-to-leading order (NLO) perturbative QCD corrections to the transverse momentum broadening in semi-inclusive hadron production in deeply inelastic e+A collisions, as well as lepton pair production in p+A collisions. With explicit calculations of both real and virtual contributions, we verify, for the first time, the factorization theorem at twist 4 in NLO for the nuclear-enhanced transverse momentum weighted differential cross section and demonstrate the universality of the associated twist-4 quark-gluon correlation function. ...

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