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A Precise determination of B(K) in quenched QCD

The $B_K$ parameter is computed in quenched lattice QCD with Wilson twisted mass fermions. Two variants of tmQCD are used; in both of them the relevant $\Delta S = 2$ four-fermion operator is renormalised multiplicatively. The renormalisation adopted is non-perturbative, with a Schroedinger function...

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Detalles Bibliográficos
Autores principales: Dimopoulos, P., Heitger, J., Palombi, F., Pena, C., Sint, S., Vladikas, A.
Lenguaje:eng
Publicado: 2005
Materias:
Acceso en línea:https://dx.doi.org/10.1016/j.nuclphysb.2006.04.033
http://cds.cern.ch/record/919484

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