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Twisted mass QCD and the $\Delta I=1/2$ rule
We show that the application of twisted mass QCD (tmQCD) with four (Wilson) quark flavours to the computation of lattice weak matrix elements relevant to $\Delta I=1/2$ transitions has important advantages: the renormalisation of $K \to \pi$ matrix elements does not require the subtraction of other...
| Autores principales: | , , |
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| Lenguaje: | eng |
| Publicado: |
2002
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1016/S0920-5632(03)01554-8 http://cds.cern.ch/record/578960 |