Determination of light and strange quark masses from two-flavour dynamical lattice QCD

2004/09/28 by M. Göckeler, R. Horsley, A.C. Irving +5 · 6 citations
Physics and Astronomy · #High-Energy Particle Collisions Research #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #hep-lat #hep-ph

paper · pdf · doi:10.1016/j.physletb.2006.06.036

published as Phys.Lett.B639:307-311,2006 · 7 pages, 8 figures

arxiv created 2004/09/28 · openalex publication_date 2006/06/29 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/01

Abstract

We compute the light and strange quark masses mℓ=(mu+md)/2 and ms, respectively, in unquenched lattice QCD with Nf=2 flavours of light dynamical quarks. The renormalisation constants, which convert bare quark masses into renormalised quark masses, are computed nonperturbatively, including the effect of quark-line disconnected diagrams. We obtain mℓMS¯(2 GeV)=4.7(2)(3) MeV and msMS¯(2 GeV)=119(5)(8) MeV, using r0=0.467 fm to set the scale.

Citations

• Big Bang Nucleosynthesis (in "The Review of Particle Properties" 2004)

Cited by

• Chiral extrapolations
• Hyperon sigma terms for2+1quark flavors
• D ∗→Dπ and D ∗→Dγ decays: axial coupling and magnetic moment of D ∗ meson
• The effect of sea quarks on the mass of the charm quark from lattice QCD
• Strangeness Contribution to the Proton Spin from Lattice QCD
• Exploring the HMC trajectory-length dependence of autocorrelation times in lattice QCD