Investigating some technical improvements to glueball calculations
Biagio Lucini, Craig McNeile, Antonio Rago
TL;DR
This paper explores technical improvements in glueball calculations, focusing on pseudoscalar operators, boundary conditions, and correlator statistics to enhance meson mass computations.
Contribution
It introduces preliminary results on pseudoscalar glueball correlators and the impact of open boundary conditions on glueball mass calculations.
Findings
Preliminary correlator results for pseudoscalar glueballs.
Open boundary conditions influence glueball mass estimates.
Discussion on glueball correlator statistics.
Abstract
We briefly discuss some issues concerning including the pseudoscalar glueball interpolating operators into the variational basis for computing the masses of the eta and etaprime mesons. As a start we present some preliminary results for the correlators from pseudoscalar glueball operators on nf = 2+1+1 twisted mass gauge configurations. Preliminary results for the effect of open boundary conditions on the masses of three glueballs computed in quenched QCD are presented. The statistics of glueball correlators are briefly discussed.
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Taxonomy
TopicsBlack Holes and Theoretical Physics · Quantum Chromodynamics and Particle Interactions · Particle physics theoretical and experimental studies