Update on two-level sampling for glueball observables in quenched QCD

Abstract

We report our progress in combining a two-level sampling algorithm with distillation techniques for calculations of disconnected diagrams in quenched QCD. The simulations are performed on a single ensemble at $\beta =6.0$ and volume $V=16^3\times 64$, and at a pion mass of $m_{\pi }\approx 760\mathrm{MeV}$.

Comments: 10 pages, 4 figures, talk presented at the 41st International Symposium on Lattice Field Theory (Lattice2024), July 28th - August 3rd, 2024, Liverpool, UK