Charm physics by $N_f=2+1$ Iwasaki gauge and the six stout smeared $O(a)$-improved Wilson quark actions on a $96^4$ lattice

Charm physics by $N_f=2+1$ Iwasaki gauge and the six stout smeared $O(a)$-improved Wilson quark actions on a $96^4$ lattice
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$N_f=2 1$ 岩崎规范和六个粗壮涂抹 $O(a)$ 改进的威尔逊夸克作用在 $96^4$ 晶格上的魅力物理

DOI:
10.22323/1.256.0125
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发表时间:
2017
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影响因子:
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通讯作者:
Y. Namekawa
Y. Namekawa
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--
文献类型:
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作者:
Y. Namekawa

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我们的魅力物理的结果 $N_f=2+1$给出了点阵QCD。 计算是用Iwasaki规范和六个stout涂抹$O(a)$改进的Wilson夸克作用与涂抹参数$\rho=0.1$生成的构型进行的 在$\beta=1.82$ ($a^{-1} = 2.3$ GeV)的$96^4$晶格上,空间范围为$L=8.1$ fm。在模拟点的介子质量几乎是物理的,$m_\pi=146$ MeV,通过使用重加权外推到物理点。 对粲夸克利用相对论性重夸克作用。 我们展示了迷人光谱和迷人夸克质量,重点是强烈的涂抹影响。
Our results of charm physics in $N_f=2+1$ lattice QCD are presented. The calculation is performed on configurations generated using Iwasaki gauge and six stout smeared $O(a)$-improved Wilson quark actions with the smearing parameter $\rho=0.1$ on a $96^4$ lattice at $\beta=1.82$ ($a^{-1} = 2.3$~GeV) with the spatial extent $L=8.1$~fm. The pion mass at the simulation point is almost physical, $m_\pi=146$~MeV, extrapolated to the physical point by use of reweighting. The relativistic heavy quark action is utilized for the charm quark. We exhibit the charmed spectrum and the charm quark mass, focusing on stout smearing influence.