Calculating weak matrix elements using HYP staggered fermions

We present preliminary results of weak matrix elements relevant to CP violation calculated using the HYP (II) staggered fermions. Since the complete set of matching coefficients at the one-loop level became available recently, we have constructed lattice operators with all the $g^2$ corrections included. The main results include both $ΔI = 3/2$ and $ΔI = 1/2$ contributions.

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