Publication: High statistics determination of the strong coupling constant in Taylor scheme and its OPE Wilson coefficient from lattice QCD with a dynamical charm
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Blossier, B.
Boucaud, P.
Brinet, M.
Morenas, V.
Pène, O.
Petrov, K.
Rodríguez-Quintero, J.
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American Physical Society
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This paper reports on the determination of ¿S from lattice simulations with 2+1+1 twisted-mass dynamical flavors via the computation of the ghost-gluon coupling renormalized in the momentum substraction 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.
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Physical Review D - Particles, Fields, Gravitation and Cosmology, 89 (1), art. no. 014507