The static quark self-energy at large orders from NSPT

Details The static quark self-energy at large orders from NSPT The static quark self-energy at large orders from NSPT

2011-11-26

arxiv.org/abs/1111.6158v1

PoS Lattice2011:222,2011

Physics

High Energy Physics

High Energy Physics - Lattice

7 pages, 3 figures. Talk presented at the XXIX International Symposium on Lattice Field Theory (Lattice 2011), July 10-16, 201

Scientific paper

Using Numerical Stochastic Perturbation Theory (NSPT), we calculate the static self-energy of SU(3) gauge theory up to order \alpha^{20}. Simulations on a large set of different lattice volumes allow for a careful treatment of finite size effects. The resulting infinite volume perturbative series of the static self-energy is in remarkable agreement with the predicted asymptotic behaviour of high order expansions, namely with a factorial growth of perturbative coefficients known as renormalon.

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