期刊
PHYSICAL REVIEW D
卷 89, 期 1, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.89.014507
关键词
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资金
- Spanish MICINN [FPA2011-23781]
- IN2P3 (CNRS-Lyon)
- IDRIS (CNRS-Orsay)
- TGCC (Bruyes-Le-Chatel)
- CINES (Montpellier)
This paper reports on the determination of alpha(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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