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, (2004) Matrix elements of Delta(I) = 3/2 K -> pi pi decays. Nuclear Physics B - Proceedings Supplements, 129-130, 314-316. (doi:10.1016/S0920-5632(03)02567-2).
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Description/Abstract
We present a numerical computation of matrix elements of ΔI = 3/2 K → ππ 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|ε′/ε. The study is done at β = 6.0 on a 243 × 64 lattice.
| Item Type: | Article |
|---|---|
| Additional Information: | Lattice 2003 |
| ISSNs: | 0920-5632 (print) |
| Related URLs: | |
| Subjects: | Q Science > QB Astronomy Q Science > QC Physics |
| Divisions: | University Structure - Pre August 2011 > School of Physics and Astronomy |
| Item ID: | 57104 |
| Date Deposited: | 14 Aug 2008 |
| Last Modified: | 01 Jun 2011 04:55 |
| Contributors: | Boucaud, Ph. (Author) Giménez, V. (Author) Lin, C.-J.D. (Author) Lubicz, V. (Author) Martinelli, G. (Author) Papinutto, M. (Author) Sachrajda, C.T. (Author) SPQCDR Collaboration, (Author) |
| Date: | March 2004 |
| Additional Information: | Lattice 2003 |
| Status: | Published |
| URI: | http://eprints.soton.ac.uk/id/eprint/57104 |
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