Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2005-05-05
Phys.Rev.D76:114009,2007
Physics
High Energy Physics
High Energy Physics - Phenomenology
60 pages, 28 figures
Scientific paper
10.1103/PhysRevD.76.114009
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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