New results from lattice QCD: Non-perturbative renormalization and quark masses
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New results from lattice QCD: Non-perturbative renormalization and quark masses

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New results from lattice QCD: Non-perturbative renormalization and quark masses

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Giménez Gómez, Vicente
Aquest document és un/a article, creat/da en: 1999
For the first time, we compute non-perturbatively, i.e. without lattice perturbation theory, the renormalization constants of two-fermion operators in the quenched approximation at beta = 6.0, 6.2 and 6.4 using the Wilson and the tree-level improved SW-Clover actions. We apply these renormalization constants to fully non-perturbatively estimate quark masses in the <(MS)over bar> scheme from lattice simulations of both the hadron spectrum and the Axial Ward Identity in the quenched approximation. Some very preliminary unquenched Wilson results obtained from the gluon configurations generated by the T chi L Collaboration at beta = 5.6 and N-f = 2 are also discussed.

    Giménez Gómez, Vicente 1999 New results from lattice QCD: Non-perturbative renormalization and quark masses Nuclear Physics B-Proceedings Supplements 74 296 299
http://dx.doi.org/10.1016/S0920-5632(99)00181-4
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