Estimate of the flavor singlet contributions to the hyperfine splitting in charmonium

被引：24

作者：

McNeile, C ^{[1
]}

Michael, C ^{[1
]}

机构：

[1] Univ Liverpool, Dept Math Sci, Div Theoret Phys, Liverpool L69 3BX, Merseyside, England

来源：

PHYSICAL REVIEW D | 2004年 / 70卷 / 03期

关键词：

D O I：

10.1103/PhysRevD.70.034506

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We explore the splitting between flavor singlet and non-singlet mesons in charmonium using unquenched lattice QCD. The non-perturbatively improved clover formalism is used for both the sea and valence quarks. This has implications for lattice calculations of the hyperfine splitting in charmonium.

引用

页数：11

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