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Charmonium spectrum from quenched QCD with overlap fermions
Tamhankar, S; Alexandru, A; Chen Y(陈莹); Chen, Y; Dong, SJ; Draper, T; Horvath, I; Lee, FX; Liu, KF; Mathur, N; Zhang, JB
2006
发表期刊PHYSICS LETTERS B
卷号638期号:1页码:#REF!
通讯作者Tamhankar, S (reprint author), Univ Kentucky, Dept Phys & Astron, Lexington, KY 40506 USA.
摘要We present the first study of the charmonium spectrum using overlap fermions, on quenched configurations. Simulations are performed on 16(3) x 72 lattices, with Wilson gauge action beta = 6.3345. We demonstrate that we have discretization errors, as indicated by the dispersion relation, at about 5%. We obtain 88(4) MeV for the IS hyperfine splitting using the r(0) scale, and 121(6) MeV using the (1 (P) over bar -1 (S) over bar) scale. This Letter should encourage the pursuit of using the same chiral fermions for both heavy and light quarks on the same lattice. (c) 2006 Elsevier B.V. All rights reserved.
文章类型Article
学科领域Physics
DOI10.1016/j.physletb.2006.04.055
收录类别SCI
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000238489700009
引用统计
被引频次:3[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/311005/225794
专题理论物理室
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GB/T 7714
Tamhankar, S,Alexandru, A,Chen Y,et al. Charmonium spectrum from quenched QCD with overlap fermions[J]. PHYSICS LETTERS B,2006,638(1):#REF!.
APA Tamhankar, S.,Alexandru, A.,陈莹.,Chen, Y.,Dong, SJ.,...&Zhang, JB.(2006).Charmonium spectrum from quenched QCD with overlap fermions.PHYSICS LETTERS B,638(1),#REF!.
MLA Tamhankar, S,et al."Charmonium spectrum from quenched QCD with overlap fermions".PHYSICS LETTERS B 638.1(2006):#REF!.
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