Physics – High Energy Physics – High Energy Physics - Lattice
Scientific paper
1999-11-20
Nucl.Phys.Proc.Suppl. 83 (2000) 244-246
Physics
High Energy Physics
High Energy Physics - Lattice
LATTICE99(matrix elements) 3 pages, 4 eps figures
Scientific paper
We present a non-perturbative calculation for the pion decay constant with quenched Kogut-Susskind quarks. Numerical simulations are carried out at $\beta = 6.0$ and 6.2 with various operators extending over all flavors. The renormalization correction is applied for each flavor by computing non-perturbative renormalization constants, and it is compared with a perturbative calculation. We also study the behavior of $f_\pi$ in the continuum limits for both non-perturbative and perturbative calculations. The results in the continuum limit is also discussed.
Aoki Sadao
Fukugita Masaaka
Hashimoto Shigehira
Ishikawa Kei-Ichi
Ishizuka Naruhito
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