A phenomenological expression for deuteron electromagnetic form factors based on perturbative QCD predictions
Wu HF(吴慧芳); Cao J(曹俊); 黄涛(理); Wu, HF; Cao, J; Huang, T
刊名COMMUNICATIONS IN THEORETICAL PHYSICS
2000
卷号34期号:4页码:663-668
关键词QCD deuteron electromagnetic form factor
学科分类Physics
通讯作者Acad Sinica, Inst High Energy Phys, Beijing 100039, Peoples R China ; Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China
文章类型Article
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.
类目[WOS]Physics, Multidisciplinary
研究领域[WOS]Physics
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语种英语
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.ihep.ac.cn/handle/311005/238219
专题中国科学院高能物理研究所_理论物理室_期刊论文
中国科学院高能物理研究所_理论物理室
作者单位中国科学院高能物理研究所
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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 吴慧芳,曹俊,黄涛,Wu, HF,Cao, J,&Huang, T.(2000).A phenomenological expression for deuteron electromagnetic form factors based on perturbative QCD predictions.COMMUNICATIONS IN THEORETICAL PHYSICS,34(4),663-668.
MLA 吴慧芳,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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