On cutoff effects in lattice QCD from short to long distances

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We discuss kinematical enhancements of cutoff effects at short and intermediate distances. Starting from a pedagogical example with periodic boundary conditions, we switch to the case of the Schroedinger Functional, where the theoretical analysis is checked by precise numerical data with Nf=2 dynamical O(a)-improved Wilson quarks. Finally we present an improved determination of the renormalization of the axial current in that theory.
16 pages, 4 figures and 2 tables. References modified

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High Energy Physics - Lattice

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http://salesiana.dossiersoluciones.com/handle/123456789/222027

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0807.1120
 http://arxiv.org/abs/0807.1120
 Phys.Lett.B672:407-412,2009
 doi:10.1016/j.physletb.2009.01.059

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arXiv