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Article Dans Une Revue Physical Review D Année : 2014

High statistics determination of the strong coupling constant in Taylor scheme and its OPE Wilson coefficient from lattice QCD with a dynamical charm

Résumé

This paper reports on the determination of $\alpha_S$ from lattice simulations with 2+1+1 twisted-mass dynamical flavours {\it via} the computation of the ghost-gluon coupling renormalized in the MOM Taylor scheme. A high-statistics sample of gauge configurations, used to evaluate the coupling from ghost and gluon propagators, allows for the appropriate update of previous results, now performing an improved analysis of data with reduced statistical errors and the systematical uncertainties under a better control.

Dates et versions

in2p3-00873034 , version 1 (15-10-2013)

Identifiants

Citer

B. Blossier, Ph. Boucaud, M. Brinet, F. de Soto, Vincent Morenas, et al.. High statistics determination of the strong coupling constant in Taylor scheme and its OPE Wilson coefficient from lattice QCD with a dynamical charm. Physical Review D, 2014, 89, pp.014507. ⟨10.1103/PhysRevD.89.014507⟩. ⟨in2p3-00873034⟩
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