标题： 从格点QCD计算的海夸克对粲夸克质量的影响 显示英文标题

标题： The effect of sea quarks on the mass of the charm quark from Lattice QCD

摘要： 我们利用淬光和动力学晶格QCD计算来求取粲夸克的质量。 我们通过比较两种不同的重夸克形式体系来检验与质量相关的晶格伪影效应。 我们通过对三种不同晶格间距的外推来得到淬光QCD中粲夸克质量的连续极限。 在固定的晶格间距下，我们将淬光QCD中的粲夸克质量与海夸克质量接近奇异夸克的动力学QCD中的粲夸克质量进行了对比。 在淬光QCD的连续极限下，我们发现 m_c(m_c)=1.29(7)(13) GeV。 未发现有非淬光的证据。 显示英文摘要

摘要： We compute the mass of the charm quark using both quenched and dynamical lattice QCD calculations. We examine the effects of mass dependent lattice artifacts by comparing two different formalisms for the heavy quarks. We take the continuum limit of the charm mass in quenched QCD by extrapolating from three different lattice spacings. At a fixed lattice spacing, the mass of the charm quark is compared between quenched QCD and dynamical QCD with a sea quark mass around strange. In the continuum limit of quenched QCD, we find m_c(m_c)=1.29(7)(13) GeV. No evidence was seen for unquenching.