Knowledge Management System of Institute of Theoretical Physics, CAS
Wu, HF; Cao, J; Huang, T; Wu, HF , Acad Sinica, Inst High Energy Phys, POB 918 4, Beijing 100039, Peoples R China. | |
A phenomenological expression for deuteron electromagnetic form factors based on perturbative QCD predictions | |
发表期刊 | COMMUNICATIONS IN THEORETICAL PHYSICS
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关键词 | Intermediate-energy Region Elastic Ed Scattering Quantum Chromodynamics Momentum-transfer Q2 |
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. |
2000 | |
ISSN | 0253-6102 |
卷号 | 34期号:4页码:663-668 |
学科领域 | Physics |
收录类别 | SCI |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.itp.ac.cn/handle/311006/12848 |
专题 | 理论物理所科研产出_SCI论文 |
通讯作者 | Wu, HF , Acad Sinica, Inst High Energy Phys, POB 918 4, Beijing 100039, Peoples R China. |
推荐引用方式 GB/T 7714 | 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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