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Static QCD Potential at r < 1/Lambda_QCD: Perturbative expansion and operator-product expansion
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We analyze the static QCD potential V_QCD(r) in the distance region 0.1 fm < r < 1 fm using perturbative QCD and OPE as basic theoretical tools. We assemble theoretical developments up to date and perform a solid and accurate analysis. The analysis consists of 3 major steps: (I) We study large-order behavior of the perturbative series of V_QCD(r) analytically. (II) In the frame of OPE, we define two types of renormalization schemes for the leading Wilson coefficient. (III) We compare numerically perturbative predictions of the Wilson coefficient and lattice computations of V_QCD(r). We perform fits to simultaneously determine non-perturbative contribution and the relation between lattice scale and Lambda_MSbar. (Short version)
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Cited by 2 Pith papers
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Hyperasymptotic approximation to the top, bottom and charm pole mass
PV-regulated pole mass expansions produce a 28 MeV purely theoretical error for the top quark mass conversion at 163 GeV, with lattice cross-checks for the bottom and charm sectors.
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Perturbative static quark potential in Maximal Abelian gauge
A two-loop perturbative calculation of the static quark potential and its abelian projection in the Maximal Abelian gauge, with coefficients compared to lattice data at r less than 0.5 fm.
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