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$K^{0}-\overline{K}^{0}$ mixing from the Schroedinger functional and twisted mass QCD

We describe how the Schroedinger functional and twisted mass QCD can be used to compute the kaon B-parameter B_K on the lattice with Wilson fermions. This new approach is expected to reduce the systematic uncertainties on B_K through a better control of its (nonperturbative) renormalisation. Prelimi...

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Detalles Bibliográficos
Autores principales: Guagnelli, M., Heitger, J., Pena, C., Sint, S., Vladikas, A.
Lenguaje:eng
Publicado: 2001
Materias:
Acceso en línea:https://dx.doi.org/10.1016/S0920-5632(01)01701-7
http://cds.cern.ch/record/522943

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