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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; Ma, JP; Liu, C , Peking Univ, Dept Phys, Beijing 100871, Peoples R China.
2002
发表期刊NUCLEAR PHYSICS B
ISSN0550-3213
卷号624期号:40910页码:360-376
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.
部门归属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
关键词Low-energy Qcd Spectrum
学科领域Physics
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收录类别SCI
WOS记录号WOS:000174033800016
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/13575
专题理论物理所1978-2010年知识产出
通讯作者Liu, C , Peking Univ, Dept Phys, Beijing 100871, Peoples R China.
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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(40910):360-376.
APA Liu, C,Zhang, JH,Chen, Y,Ma, JP,&Liu, C , Peking Univ, Dept Phys, Beijing 100871, Peoples R China..(2002).Calculating the l=2 pion scattering length using tadpole improved clover Wilson action on coarse anisotropic lattices.NUCLEAR PHYSICS B,624(40910),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 624.40910(2002):360-376.
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