Neutral Kaon Mixing Beyond the Standard Model from 2+1 Flavour Domain Wall QCD
Jan Wennekers (for the RBC, UKQCD collaborations)
TL;DR
This paper reports preliminary lattice QCD results on neutral Kaon mixing beyond the Standard Model, focusing on non-perturbative renormalization of matrix elements using 2+1 flavour Domain Wall Fermions.
Contribution
It provides the first non-perturbative renormalization matrix for Delta S = 2 operators beyond the Standard Model using 2+1 flavour Domain Wall Fermions.
Findings
Initial non-perturbative renormalization matrices obtained.
Plans for chiral extrapolation of matrix elements discussed.
Framework established for future beyond Standard Model Kaon mixing studies.
Abstract
We present preliminary results of a study of Delta S = 2 matrix elements originating from physics beyond the Standard Model. Using 2+1 flavour Domain Wall Fermions we obtain the non-perturbative renormalisation (mixing) matrix in the RI scheme. We also discuss plans for the chiral extrapolation of the renormalised matrix elements in a partially quenched set-up.
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Taxonomy
TopicsQuantum Chromodynamics and Particle Interactions · Particle physics theoretical and experimental studies · High-Energy Particle Collisions Research