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9 papers · 1 filter
Mixed Action Effective Field Theory: an Addendum
Jiunn-Wei Chen, Maarten Golterman, Donal O'Connell +1
We correct a mistake in the literature regarding the additive lattice spacing corrections to the mixed valence-sea meson mass and discuss the consequences for mixed action extrapol…
pi-pi Scattering in Twisted Mass Chiral Perturbation Theory
Michael I Buchoff, Jiunn-Wei Chen, Andre Walker-Loud
In this report we describe both I=2 and I=0 pi-pi scattering for twisted mass lattice QCD utilizing twisted mass chiral perturbation theory at next-to-leading order. Focusing on th…
K to pi and K to 0 in 2+1 Flavor Partially Quenched Chiral Perturbation Theory
C. Aubin, J. Laiho, S. Li +1
We calculate results for K to pi and K to 0 matrix elements to next-to-leading order in 2+1 flavor partially quenched chiral perturbation theory. Results are presented for both the…
Kaon Condensation with Lattice QCD
William Detmold, Kostas Orginos, Martin J. Savage +1
Kaon condensation may play an important role in the structure of hadronic matter at densities greater than that of nuclear matter, as exist in the interior of neutron stars. We pre…
Discretization effects and the scalar meson correlator in mixed-action lattice simulations
C. Aubin, Jack Laiho, Ruth S. Van de Water
We study discretization effects in a mixed-action lattice theory with domain-wall valence quarks and Asqtad-improved staggered sea quarks. At the level of the chiral effective Lagr…
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…