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Calculating the l=2 pion scattering length using tadpole improved clover Wilson action on coarse anisotropic lattices
Liu, C; Zhang, JH; Chen Y(陈莹); Chen, Y; Ma, JP
2002
发表期刊NUCLEAR PHYSICS B
卷号624期号:1-2页码:360-376
通讯作者Peking Univ, Dept Phys, Beijing 100871, Peoples R China ; Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China ; Acad Sinica, Inst High Energy Phys, Beijing 100039, Peoples R China
文章类型Article
摘要In an exploratory study, using the tadpole improved clover Wilson quark action on small, coarse and anisotropic lattices, the pipi scattering length in the I = 2 channel is calculated within quenched approximation. A new method is proposed which enables us to make chiral extrapolation of our lattice results without calculating the decay constant on the lattice. Finite volume and finite lattice spacing errors are analyzed and the results are extrapolated towards the infinite volume and continuum limit. Comparisons of our lattice results with the new experiment and the results from Chiral Perturbation Theory are made. Good agreements are found. (C) 2002 Elsevier Science B.V. All rights reserved.
关键词pi pi scattering length lattice QCD improved actions
学科领域Physics
DOI10.1016/S0550-3213(01)00662-9
URL查看原文
语种英语
WOS研究方向Physics
WOS类目Physics, Particles & Fields
WOS记录号WOS:000174033800016
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被引频次:48[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/237153
专题理论物理室
作者单位中国科学院高能物理研究所
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Liu, C,Zhang, JH,Chen Y,et al. Calculating the l=2 pion scattering length using tadpole improved clover Wilson action on coarse anisotropic lattices[J]. NUCLEAR PHYSICS B,2002,624(1-2):360-376.
APA Liu, C,Zhang, JH,陈莹,Chen, Y,&Ma, JP.(2002).Calculating the l=2 pion scattering length using tadpole improved clover Wilson action on coarse anisotropic lattices.NUCLEAR PHYSICS B,624(1-2),360-376.
MLA Liu, C,et al."Calculating the l=2 pion scattering length using tadpole improved clover Wilson action on coarse anisotropic lattices".NUCLEAR PHYSICS B 624.1-2(2002):360-376.
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