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Three-quark light-cone amplitudes of the proton and quark orbital-motion-dependent observables
Ji, XD; Ma, JP; Yuan, F; Ji, XD , Univ Maryland, Dept Phys, College Pk, MD 20742 USA.
2003
发表期刊NUCLEAR PHYSICS B
ISSN0550-3213
卷号652期号:40911页码:383-404
摘要We study the three-quark light-cone amplitudes of the proton including quarks' transverse momenta. We classify these amplitudes using a newly-developed method in which light-cone wave functions are constructed from a class of light-cone matrix elements. We derive the constraints on the amplitudes from parity and time-reversal symmetries. We use the amplitudes to calculate the physical observables which vanish when the quark orbital angular momentum is absent. These include transverse-momentum dependent parton distributions Delta(qT)(x, k(perpendicular to)), q(T) (x, k(perpendicular to)), deltaq (x, k(perpendicular to)), and deltaq(L) (x, k(perpendicular to)), twist-three parton distributions g(T) (x) and h(L) (x), helicity-flip generalized parton distributions E(x, xi = 0, Q(2)) and its associates, and the Pauli form factor F-2(Q(2)). (C) 2003 Elsevier Science B.V. All rights reserved.
部门归属Univ Maryland, Dept Phys, College Pk, MD 20742 USA; Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China
关键词Deep-inelastic-scattering Single-spin Asymmetries Virtual Compton-scattering Forward Parton Distributions Final-state Interactions Hadronic Wave-functions Drell-yan Processes Quantum Chromodynamics Azimuthal Asymmetry Exclusive Processes
学科领域Physics
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收录类别SCI
WOS记录号WOS:000181585000013
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/13344
专题理论物理所1978-2010年知识产出
通讯作者Ji, XD , Univ Maryland, Dept Phys, College Pk, MD 20742 USA.
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Ji, XD,Ma, JP,Yuan, F,et al. Three-quark light-cone amplitudes of the proton and quark orbital-motion-dependent observables[J]. NUCLEAR PHYSICS B,2003,652(40911):383-404.
APA Ji, XD,Ma, JP,Yuan, F,&Ji, XD , Univ Maryland, Dept Phys, College Pk, MD 20742 USA..(2003).Three-quark light-cone amplitudes of the proton and quark orbital-motion-dependent observables.NUCLEAR PHYSICS B,652(40911),383-404.
MLA Ji, XD,et al."Three-quark light-cone amplitudes of the proton and quark orbital-motion-dependent observables".NUCLEAR PHYSICS B 652.40911(2003):383-404.
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