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Matrix elements of Delta(I) = 3/2 K -> pi pi decays

Record type: Article

We present a numerical computation of matrix elements of ?I = 3/2 K ? ?? decays by using Wilson fermions. In order to extrapolate to the physical point we work at unphysical kinematics and we resort to Chiral Perturbation Theory at the next-to-leading order. In particular we explain the case of the electroweak penguins 07,8 which can contribute significantly in the theoretical prediction of sol|??/?. The study is done at ? = 6.0 on a 243 × 64 lattice.

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Citation

Boucaud, Ph., Giménez, V., Lin, C.-J.D., Lubicz, V., Martinelli, G., Papinutto, M., Sachrajda, C.T. and SPQCDR Collaboration, None (2004) Matrix elements of Delta(I) = 3/2 K -> pi pi decays Nuclear Physics B - Proceedings Supplements, 129-130, pp. 314-316. (doi:10.1016/S0920-5632(03)02567-2).

More information

Published date: March 2004
Additional Information: Lattice 2003

Identifiers

Local EPrints ID: 57104
URI: http://eprints.soton.ac.uk/id/eprint/57104
ISSN: 0920-5632
PURE UUID: 201a9a5b-5fb1-4e34-bb36-31a7df1e4380

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Date deposited: 14 Aug 2008
Last modified: 17 Jul 2017 14:29

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Contributors

Author: Ph. Boucaud
Author: V. Giménez
Author: C.-J.D. Lin
Author: V. Lubicz
Author: G. Martinelli
Author: M. Papinutto
Author: C.T. Sachrajda
Author: None SPQCDR Collaboration

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