Physical matrix elements for Delta I = 3/2 channel K to pi pi decays
High Energy Physics - Lattice
2019-08-14 v2
Abstract
K to pi pi matrix elements of the electroweak operator Q_(27,1)^Delta I=3/2 are calculated on the RBC/UKQCD 32^3 x 64, L_s=16 lattices, using 2+1 dynamical flavors and domain wall fermions, with an inverse lattice spacing of a^(-1)=2.42(4) GeV. Data is interpolated or extrapolated to energy conserving kinematics and a preliminary calculation of the experimental parameter |A_2| is performed.
Cite
@article{arxiv.0906.1847,
title = {Physical matrix elements for Delta I = 3/2 channel K to pi pi decays},
author = {Matthew Lightman},
journal= {arXiv preprint arXiv:0906.1847},
year = {2019}
}
Comments
7 pages, 3 figures, 2 tables, Talk presented at the XXVI International Symposium on Lattice Field Theory, July 14-19 2008, Williamsburg, Virginia, USA