TL;DR
This paper presents a chiral extrapolation method within an SU(3) framework for octet baryon masses obtained from 2+1-flavour lattice QCD, addressing volume, strange-quark mass corrections, and low-energy constants.
Contribution
It introduces a refined SU(3) chiral extrapolation approach for lattice QCD baryon data, including volume and quark mass corrections, and estimates low-energy constants.
Findings
Successful extrapolation of baryon masses to physical point
Quantitative estimates of low-energy constants
Analysis of finite-volume and strange-quark mass effects
Abstract
We report on a recent chiral extrapolation, based on an SU(3) framework, of octet baryon masses calculated in 2+1-flavour lattice QCD. Here we further clarify the form of the extrapolation, the estimation of the infinite-volume limit, the extracted low-energy constants and the corrections in the strange-quark mass.
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