%0 Journal Article
%T Precision thrust cumulant moments at N^3LL
%A Abbate, R.
%A Fickinger, M.
%A Hoang, A. H.
%A Mateu, V.
%A Stewart, I. W.
%J Physical Review D
%D 2012
%V 86
%N 9
%I Amer Physical Soc
%@ 1550-7998
%G English
%F Abbate_etal2012
%O WOS:000310500500005
%O exported from refbase (https://references.ific.uv.es/refbase/show.php?record=1205), last updated on Tue, 11 Dec 2012 17:08:15 +0000
%X We consider cumulant moments (cumulants) of the thrust distribution using predictions of the full spectrum for thrust including O(alpha(3)(s)) fixed order results, resummation of singular (NLL)-L-3 logarithmic contributions, and a class of leading power corrections in a renormalon-free scheme. From a global fit to the first thrust moment we extract the strong coupling and the leading power correction matrix element Omega(1). We obtain alpha(s)(m(Z)) = 0.1140 +/- (0.0004)(exp) +/- (0.0013)(hadr) +/- (0.0007)(pert), where the 1-sigma uncertainties are experimental, from hadronization (related to Omega(1)) and perturbative, respectively, and Omega(1) = 0.377 +/- (0.044)(exp) +/- (0.039)(pert) GeV. The nth thrust cumulants for n >= 2 are completely insensitive to Omega(1), and therefore a good instrument for extracting information on higher order power corrections, Omega'(n)/Q(n), from moment data. We find ((Omega) over tilde '2)(1/2) = 0.74 +/- (0.11)(exp) +/- (0.09)(pert) GeV.
%R 10.1103/PhysRevD.86.094002
%U http://arxiv.org/abs/arXiv:1204.5746
%U https://doi.org/10.1103/PhysRevD.86.094002
%P 094002-22pp