Four quark operators for kaon bag parameter with gradient flow
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DOI: 10.1103/physrevd.102.034508
Abstract: To study the $CP$-violation using the ${K}_{0}\ensuremath{-}{\overline{K}}_{0}$ oscillation, we need the kaon bag parameter which represents QCD corrections in the leading Feynman diagrams. The lattice QCD provides us with the only way to evaluate the… read more here.
Keywords: kaon bag; bag parameter; quark operators; gradient flow ... See more keywords