Non-perturbative renormalization of quark bilinear operators and B_K using domain wall fermions

Y. Aoki , P.A. Boyle , N.H. Christ , C. Dawson , M.A. Donnellan , T. Izubuchi , A. Juttner , S. Li

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R.D. Mawhinney J. Noaki C.T. Sachrajda A. Soni R.J. Tweedie A. Yamaguchi

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classification ✦ hep-lat

keywords coefficientslatticeoperatorsbilineardomainfermionsquarkrenormalization

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We present a calculation of the renormalization coefficients of the quark bilinear operators and the K-Kbar mixing parameter B_K. The coefficients relating the bare lattice operators to those in the RI/MOM scheme are computed non-perturbatively and then matched perturbatively to the MSbar scheme. The coefficients are calculated on the RBC/UKQCD 2+1 flavor dynamical lattice configurations. Specifically we use a 16^3 x 32 lattice volume, the Iwasaki gauge action at beta=2.13 and domain wall fermions with L_s=16.

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Non-perturbative renormalization of quark bilinear operators and B_K using domain wall fermions

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