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Gluon tomography from deeply virtual Compton scattering at small x

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成果类型:
期刊论文
作者:
Hatta, Yoshitaka*;Xiao, Bo-Wen;Yuan, Feng
通讯作者:
Hatta, Yoshitaka
作者机构:
[Hatta, Yoshitaka] Kyoto Univ, Yukawa Inst Theoret Phys, Kyoto 6068502, Japan.
[Xiao, Bo-Wen] Cent China Normal Univ, Key Lab Quark & Lepton Phys MOE, Wuhan 430079, Peoples R China.
[Xiao, Bo-Wen] Cent China Normal Univ, Inst Particle Phys, Wuhan 430079, Peoples R China.
[Yuan, Feng] Lawrence Berkeley Natl Lab, Nucl Sci Div, Berkeley, CA 94720 USA.
通讯机构:
[Hatta, Yoshitaka] K
Kyoto Univ, Yukawa Inst Theoret Phys, Kyoto 6068502, Japan.
语种:
英文
期刊:
PHYSICAL REVIEW D
ISSN:
2470-0010
年:
2017
卷:
95
期:
11
页码:
114026
基金类别:
LDRD program of Lawrence Berkeley National Laboratory; U.S. Department of Energy, Office of Science, Office of Nuclear PhysicsUnited States Department of Energy (DOE) [DE-AC02-05CH11231]; Natural Science Foundation of China (NSFC)National Natural Science Foundation of China (NSFC) [11575070]
机构署名:
本校为其他机构
院系归属:
物理科学与技术学院
摘要:
We present a full evaluation of the deeply virtual Compton scattering cross section in the dipole framework in the small- x region. The result features the cosϕ and cos2ϕ azimuthal angular correlations, which have been missing in previous studies based on the dipole model. In particular, the cos2ϕ term is generated by the elliptic gluon Wigner distribution of which the measurement at the planned electron-ion collider provides important information about the gluon tomography at small x. We also show the consistency with the standard collinear factorization a...

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