Estimate of the flavor singlet contributions to the hyperfine splitting in charmonium
被引:24
|
作者:
McNeile, C
论文数: 0引用数: 0
h-index: 0
机构:
Univ Liverpool, Dept Math Sci, Div Theoret Phys, Liverpool L69 3BX, Merseyside, EnglandUniv Liverpool, Dept Math Sci, Div Theoret Phys, Liverpool L69 3BX, Merseyside, England
McNeile, C
[1
]
Michael, C
论文数: 0引用数: 0
h-index: 0
机构:
Univ Liverpool, Dept Math Sci, Div Theoret Phys, Liverpool L69 3BX, Merseyside, EnglandUniv Liverpool, Dept Math Sci, Div Theoret Phys, Liverpool L69 3BX, Merseyside, England
Michael, C
[1
]
机构:
[1] Univ Liverpool, Dept Math Sci, Div Theoret Phys, Liverpool L69 3BX, Merseyside, England
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.