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Lattice B-parameters for Delta S=2 and Delta I=3/2 operators

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Lattice B-parameters for Delta S=2 and Delta I=3/2 operators

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dc.contributor.author	Conti, Livio
dc.contributor.author	Donini, Andrea
dc.contributor.author	Giménez Gómez, Vicente
dc.contributor.author	Martinelli, Guido
dc.contributor.author	Talevi, Mauro
dc.contributor.author	Vladikas, A.
dc.date.accessioned	2014-09-26T08:13:50Z
dc.date.available	2014-09-26T08:13:50Z
dc.date.issued	1998
dc.identifier.citation	Conti, Livio Donini, Andrea Giménez Gómez, Vicente Martinelli, G. Talevi, Mauro Vladikas, A. 1998 Lattice B-parameters for Delta S=2 and Delta I=3/2 operators Physics Letters B 421 1-4 273 282
dc.identifier.uri	http://hdl.handle.net/10550/38992
dc.description.abstract	We compute several matrix elements of dimension-six four-fermion operators and extract their B-parameters. The calculations have been performed with the tree-level Clover action at beta = 6.0. The renormalization constants and mixing coefficients of the lattice operators have been obtained non-perturbatively. In the <(MS)over bar> renormalization scheme, at a renormalization scale mu similar or equal to 2 GeV, we find B-K(B-9(3/2))=0.66(11), B-7(3/2)=0.72(5) and B-8(3/2)=1.03(3). The result for B-8(3/2) has important implications for the calculation of epsilon'/epsilon.
dc.language.iso	eng
dc.relation.ispartof	Physics Letters B, 1998, vol. 421 , num. 1-4, p. 273-282
dc.subject	Física
dc.title	Lattice B-parameters for Delta S=2 and Delta I=3/2 operators
dc.type	journal article	es_ES
dc.date.updated	2014-09-26T08:13:50Z
dc.identifier.doi	10.1016/S0370-2693(98)00019-7
dc.identifier.idgrec	099563
dc.rights.accessRights	open access	es_ES