ITP OpenIR  > 理论物理所2017年知识产出
A method for getting a finite alpha in the IR region from an all-order beta function
Zheng, ZY; Zhou, GL; Zheng, ZY (reprint author), Chinese Acad Sci, Inst Theoret Phys, Key Lab Theoret Phys, Beijing 100190, Peoples R China.; Zheng, ZY (reprint author), Univ Chinese Acad Sci, Sch Phys Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China.
2017
发表期刊EUROPEAN PHYSICAL JOURNAL C
卷号77期号:11页码:802
文章类型Article
摘要The analytical method of the QCD running coupling constant is extended to a model with an all-order beta function which is inspired by the famous Novikov-Shifman-Vainshtein-Zakharov beta function of N = 1 supersymmetric gauge theories. In the approach presented here, the running coupling is determined by a transcendental equation with non-elementary integral of the running scale mu. In our approach alpha(an)(0), which reads 0.30642, does not rely on any dimensional parameters. This is in accordance with results in the literature on the analytical method of the QCD running coupling constant. The new "analytically improved" running coupling constant is also compatible with the property of asymptotic freedom.
学科领域Physics
资助者National Nature Science Foundation of China [11275242, 11647022] ; National Nature Science Foundation of China [11275242, 11647022] ; National Nature Science Foundation of China [11275242, 11647022] ; National Nature Science Foundation of China [11275242, 11647022]
DOIhttp://dx.doi.org/10.1140/epjc/s10052-017-5384-6
关键词[WOS]PERTURBATION-THEORY ; LOW ENERGIES ; QCD ; MODEL
语种英语
资助者National Nature Science Foundation of China [11275242, 11647022] ; National Nature Science Foundation of China [11275242, 11647022] ; National Nature Science Foundation of China [11275242, 11647022] ; National Nature Science Foundation of China [11275242, 11647022]
WOS类目Physics, Particles & Fields
WOS记录号WOS:000416368500001
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/21929
专题理论物理所2017年知识产出
通讯作者Zheng, ZY (reprint author), Chinese Acad Sci, Inst Theoret Phys, Key Lab Theoret Phys, Beijing 100190, Peoples R China.; Zheng, ZY (reprint author), Univ Chinese Acad Sci, Sch Phys Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China.
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Zheng, ZY,Zhou, GL,Zheng, ZY ,et al. A method for getting a finite alpha in the IR region from an all-order beta function[J]. EUROPEAN PHYSICAL JOURNAL C,2017,77(11):802.
APA Zheng, ZY,Zhou, GL,Zheng, ZY ,&Zheng, ZY .(2017).A method for getting a finite alpha in the IR region from an all-order beta function.EUROPEAN PHYSICAL JOURNAL C,77(11),802.
MLA Zheng, ZY,et al."A method for getting a finite alpha in the IR region from an all-order beta function".EUROPEAN PHYSICAL JOURNAL C 77.11(2017):802.
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