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

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).


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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.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1016/S0920-5632(03)02567-2
Additional Information: Lattice 2003
ISSNs: 0920-5632 (print)
ePrint ID: 57104
Date :
Date Event
March 2004Published
Date Deposited: 14 Aug 2008
Last Modified: 16 Apr 2017 17:40
Further Information:Google Scholar

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