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29 March 2024
 
  » arxiv » 1205.2961

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1+1+1 flavor QCD + QED simulation at the physical point
S. Aoki ; K.-I. Ishikawa ; N. Ishizuka ; K. Kanaya ; Y. Kuramashi ; Y. Nakamura ; Y. Namekawa ; M. Okawa ; Y. Taniguchi ; A. Ukawa ; N. Ukita ; T. Yoshie ;
Date 14 May 2012
AbstractWe present the results of 1+1+1 flavor QCD+QED simulation at the physical point, in which the dynamical quark effects in QED and the up-down quark mass difference are incorporated by the reweighting technique. The physical quark masses together with the lattice spacing are determined with $m_{pi^+}$, $m_{K^+}$, $m_{K^0}$ and $m_{Omega^-}$ as physical inputs. Calculations are carried out using a set of 2+1 flavor QCD configurations near the physical point generated by the non-perturbatively $O(a)$-improved Wilson quark action and the Iwasaki gauge action at $eta=1.9$ on a $32^3 imes 64$ lattice. We evaluate the values of the up, down and strange quark masses individually with non-perturbative QCD renormalization.
Source arXiv, 1205.2961
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