Lattice Approach to the $ΔI=1/2$ Rule

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We discuss a number of old and new methods for computing $K\toππ$ amplitudes on the lattice. They all involve a non-perturbative determination of matching coefficients. We show how problems related to operator mixing can be greatly reduced by using point-split hadronic currents.
7 pages, plain Latex. Talk given at "Cortona 1998", Cortona - Italy

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High Energy Physics - Lattice

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http://salesiana.dossiersoluciones.com/handle/123456789/39178

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/hep-lat/9811009
 http://arxiv.org/abs/hep-lat/9811009

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arXiv