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9 papers · 2 filters
First Calculation of Hyperon Axial Couplings from Lattice QCD
Huey-Wen Lin, Konstantinos Orginos
In this work, we report the first lattice calculation of hyperon axial couplings, using the 2+1-flavor MILC configurations and domain-wall fermion valence quarks. Both the and…
Generalized parton distributions from domain wall valence quarks and staggered sea quarks
LHPC Collaboration, D. B. Renner, J. Bratt +10
Moments of the generalized parton distributions of the nucleon, calculated with a mixed action of domain wall valence quarks and asqtad staggered sea quarks, are presented for pion…
Multi-Pion Systems in Lattice QCD and the Three-Pion Interaction
Silas R. Beane, William Detmold, Thomas C. Luu +3
The ground-state energies of 2, 3, 4 and 5 π^+'s in a spatial volume V (2.5 fm)^3 are computed with lattice QCD. By eliminating the leading contribution from three-π^+ interactions…
The kaon B-parameter from unquenched mixed action lattice QCD
Christopher Aubin, Jack Laiho, Ruth S. Van de Water
We present a preliminary calculation of B_K using domain-wall valence quarks and 2+1 flavors of improved staggered sea quarks. Both the size of the residual quark mass, which measu…
The K+K+ Scattering Length from Lattice QCD
Silas Beane, Thomas Luu, Kostas Orginos +4
The K+K+ scattering length is calculated in fully-dynamical lattice QCD with domain-wall valence quarks on the MILC asqtad-improved gauge configurations with rooted staggered sea q…
Precise Determination of the I=2 pipi Scattering Length from Mixed-Action Lattice QCD
Silas R. Beane, Thomas C. Luu, Kostas Orginos +4
The I=2 pipi scattering length is calculated in fully-dynamical lattice QCD with domain-wall valence quarks on the asqtad-improved coarse MILC configurations (with fourth-rooted st…