PoS - Proceedings of Science
Volume 363 - 37th International Symposium on Lattice Field Theory (LATTICE2019) - Main session
Renormalization of bilinear and four-fermion operators through temporal moments
T. Ishikawa*, K. Nakayama and S. Hashimoto
Full text: pdf
Pre-published on: January 15, 2020
Published on: August 27, 2020
We propose a renormalization scheme that can be simply implemented on the lattice. It consists of the temporal moments of two-point and three-point functions calculated with finite valence quark mass. The scheme is confirmed to yield a consistent result with another renormalization scheme in the continuum limit for the bilinear operators. We apply a similar renormalization scheme for the non-perturbative renormalization of four-fermion operators appearing in the weak effective Hamiltonian.
DOI: https://doi.org/10.22323/1.363.0135
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