Β-function, Renormalons and the Mass Term from Perturbative Wilson Loops
نویسندگان
چکیده
Several Wilson loops on several lattice sizes are computed in Perturbation Theory via a stochastic method. Applications include: Renormalons, the Mass Term in HQET and (possibly) the β-function. Outlook Wilson Loops (WL) were the historic playground (and success. . .) of Numerical Stochastic Perturbation Theory (NSPT) for Lattice Gauge Theory [1]. Having by now an increased computing power available, we are computing high perturbative orders of various WL on various lattice sizes in Lattice SU (3). Physical motivations range over a variety of issues (not every one within reach, at the moment): Renormalons and Lattice Perturbation Theory (LPT), the Mass Term in Heavy Quark Effective Theory (HQET) and the Lattice β-function.
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