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题名: A phenomenological expression for deuteron electromagnetic form factors based on perturbative QCD predictions
作者: Wu, HF ;  Cao, J ;  Huang, T
刊名: COMMUNICATIONS IN THEORETICAL PHYSICS
出版日期: 2000
卷号: 34, 期号:4, 页码:663-668
关键词: INTERMEDIATE-ENERGY REGION ;  ELASTIC ED SCATTERING ;  QUANTUM CHROMODYNAMICS ;  MOMENTUM-TRANSFER ;  Q2
学科分类: Physics
通讯作者: Wu, HF , Acad Sinica, Inst High Energy Phys, POB 918 4, Beijing 100039, Peoples R China.
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
英文摘要: 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.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000166949900012
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/12848
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Wu, HF,Cao, J,Huang, T. A phenomenological expression for deuteron electromagnetic form factors based on perturbative QCD predictions[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2000,34(4):663-668.
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