Results in the static approximation
C. Alexandrou, S. Guesken, F. Jegerlehner, K. Schilling, R. Sommer
TL;DR
This paper investigates finite volume and lattice spacing effects on static approximation observables, providing high-precision results for decay constants, mass splittings, and string breaking distances in lattice QCD.
Contribution
It offers a comprehensive analysis of systematic effects and presents new high-statistics results for key static approximation observables in lattice QCD.
Findings
High-precision pseudoscalar decay constant after chiral and continuum extrapolation
Results on mass splittings in static approximation
Measurements of string breaking distance in Q̄Q potential
Abstract
We present a comprehensive study of finite volume and lattice spacing effects on observables calculated in the static approximation. Ground state projection using smearing techniques is studied at . We give high statics results for the pseudoscalar decay constant after extrapolating to the chiral and continuum limit. In addition results for mass splittings and the distance of string breaking in the potential are presented.
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