Light hadron spectroscopy using domain wall valence quarks on an asqtad sea
By André Walker-Loud, Huey-Wen Lin, D. Richards, R. Edwards, M. Engelhardt, G. Fleming, P. Hägler, B. Musch, Meifeng Lin, Harvey B. Meyer and 8 more. 2008
133 citations recorded by the source corpus.
We present a calculation of the light-hadron spectrum in full QCD using three-flavor Asqtad sea quarks and domain wall valence quarks. Calculations of meson masses, meson and baryon masses are performed on a lattice of spatial size $$L\simeq 2.5$$~fm, and a lattice spacing of $$a \simeq 0.124$$~fm, for pion masses as light as $$m_\pi \sim 300$$~MeV. Extrapolation of baryon masses to the physical pion mass is studied using continuum and mixed action heavy baryon chiral perturbation theory for two and three flavors. The success and limitations of chiral perturbation theory with these extrapolations is discussed.
Subfields: Nuclear and High Energy Physics
View Paper: https://www.semanticscholar.org/paper/f1ec37bdcff881b110804aef7086605ac4129486
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In Nuclear and High Energy Physics
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Citations in the corpus
- Light Hadron Masses from Lattice QCD (2012, background): “A subset of the MILC ensembles with a ∼ 0.12 fm and with a smallest pion mass of ∼ 290 MeV has been studied in (Walker-Loud et al., 2009) in a mixed action setup with domain wall valence quarks.”
- Baryons as relativistic three-quark bound states (2016, background): “Only lattice data for the ∆ ground state are shown; data for the excited ∆ give values too high to be visible in the plot [396, 400, 402, 418].”