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A phenomenological expression for deuteron electromagnetic form factors based on perturbative QCD predictions
Wu, HF; Cao, J; Huang, T; Wu, HF , Acad Sinica, Inst High Energy Phys, POB 918 4, Beijing 100039, Peoples R China.
2000
发表期刊COMMUNICATIONS IN THEORETICAL PHYSICS
ISSN0253-6102
卷号34期号:4页码:663-668
摘要For deuteron's electromagnetic form factors, perturbative QCD (pQCD) predicts that G(00)(+) becomes the dominate helicity amplitude and G(+0)(+), and G(+-)(+) are suppressed by factors Lambda QCD/Q and Lambda (2)(QCD)/Q(2) at large Q(2) respectively. We try to discuss the higher-order corrections beyond the pQCD asymptotic predictions by interpolating an analytical form to the intermediate energy region. From fitting the data, our results show that the helicity-zero to zero matrix element G(00)(+) dominates the gross structure function A(Q(2)) in both the large and intermediate energy regions. It is a good approximation for G(+-)(+) to ignore the higher-order contributions and the higher-order corrections to G(+0)(+) should be taken into account due to sizeable contributions in the intermediate energy region.
部门归属Acad Sinica, Inst High Energy Phys, Beijing 100039, Peoples R China; Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China
关键词Intermediate-energy Region Elastic Ed Scattering Quantum Chromodynamics Momentum-transfer Q2
学科领域Physics
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收录类别SCI
WOS记录号WOS:000166949900012
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/12848
专题理论物理所SCI论文
通讯作者Wu, HF , Acad Sinica, Inst High Energy Phys, POB 918 4, Beijing 100039, Peoples R China.
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Wu, HF,Cao, J,Huang, T,et al. A phenomenological expression for deuteron electromagnetic form factors based on perturbative QCD predictions[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2000,34(4):663-668.
APA Wu, HF,Cao, J,Huang, T,&Wu, HF , Acad Sinica, Inst High Energy Phys, POB 918 4, Beijing 100039, Peoples R China..(2000).A phenomenological expression for deuteron electromagnetic form factors based on perturbative QCD predictions.COMMUNICATIONS IN THEORETICAL PHYSICS,34(4),663-668.
MLA Wu, HF,et al."A phenomenological expression for deuteron electromagnetic form factors based on perturbative QCD predictions".COMMUNICATIONS IN THEORETICAL PHYSICS 34.4(2000):663-668.
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