Neutral Kaon mixing beyond the Standard Model

2015/12/16 by Renwick J. Hudspith, Hudspith, R. J., Nicolas Garrón +3 · 1 citation
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Lattice (hep-lat) #High-Energy Particle Collisions Research #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions

paper · pdf · doi:10.48550/arxiv.1512.05398

openalex publication_date 2015/12/16 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

We compute the hadronic matrix elements of the four-quark operators needed for the study of K⁰- K⁰ mixing beyond the Standard Model. We have used n_f=2+1 flavours of domain wall fermion (DWF) at two values of the lattice spacing (a≈0.08 and a≈0.11fm) and with lightest unitary pion mass of ≈300 MeV. Renormalisation is performed non-perturbatively and the impact of different intermediate momentum schemes is investigated.

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