$m_c/m_s$ with Brillouin fermions
Stephan D\"urr, Giannis Koutsou
TL;DR
This paper calculates the ratio of charm to strange quark masses using Brillouin improved Wilson fermions on lattice QCD, achieving a relativistic, continuum, and physical mass extrapolation.
Contribution
It introduces a unified relativistic lattice approach to determine quark mass ratios with improved fermion actions and systematic extrapolations.
Findings
Calculated charm to strange quark mass ratio.
Performed continuum and physical mass extrapolations.
Utilized Brillouin improved Wilson fermions on lattice ensembles.
Abstract
We present a calculation of the ratio of the charm quark mass to the strange quark mass. Using the Brillouin improved Wilson action, we are able to calculate this ratio in a single framework, using a relativistic fermionic action throughout. The calculation is carried out on selected ensembles of two flavor clover improved lattices produced by the QCDSF collaboration, allowing an extrapolation to the continuum, to infinite volume and to the physical pion mass.
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Taxonomy
TopicsQuantum Chromodynamics and Particle Interactions · Particle physics theoretical and experimental studies · High-Energy Particle Collisions Research