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

被引：40
|
作者：
Blossier, B. [1 ]
Boucaud, Ph [1 ]
Brinet, M. [2 ]
De Soto, F. [3 ]
Morenas, V. [4 ]
Pene, O. [1 ]
Petrov, K. [5 ]
Rodriguez-Quintero, J. [6 ,7 ]
机构：
[1] Univ Paris 11, Lab Phys Theor, F-91405 Orsay, France
[2] UJF, IN2P3, CNRS, Lab Phys Subatom & Cosmol, F-38026 St Martin Dheres, France
[3] Univ Pablo Olavide, Dept Sistemas Fis Quim & Nat, Seville 41013, Spain
[4] Univ Blaise Pascal, CNRS, IN2P3, Lab Phys Corpusculaire, F-63177 Clermont Ferrand, France
[5] Ctr Sci Orsay, Lab Accelerateur Lineaire, F-91898 Orsay, France
[6] Univ Huelva, Fac Ciencias Expt, Dept Fis Aplicada, Huelva 21071, Spain
[7] Univ Granada, CAFPE, E-18071 Granada, Spain
来源：
PHYSICAL REVIEW D | 2014年 / 89卷 / 01期
关键词：
RESONANCE PHYSICS; RENORMALIZATION;
D O I：
10.1103/PhysRevD.89.014507
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
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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页数：11
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