First results from 2+1 dynamical quark flavors on an anisotropic lattice: Light-hadron spectroscopy and setting the strange-quark mass

Huey Wen Lin, Saul D. Cohen, Jozef Dudek, Robert G. Edwards, Bálint Joó, David G. Richards, John Bulava, Justin Foley, Colin Morningstar, Eric Engelson, Stephen Wallace, K. Jimmy Juge, Nilmani Mathur, Michael J. Peardon, Sinéad M. Ryan

Research output: Contribution to journalArticlepeer-review

289 Scopus citations

Abstract

We present the first light-hadron spectroscopy on a set of Nf=2+1 dynamical, anisotropic lattices. A convenient set of coordinates that parameterize the two-dimensional plane of light and strange-quark masses is introduced. These coordinates are used to extrapolate data obtained at the simulated values of the quark masses to the physical light and strange-quark point. A measurement of the Sommer scale on these ensembles is made, and the performance of the hybrid Monte Carlo algorithm used for generating the ensembles is estimated.

Original languageEnglish
Article number034502
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume79
Issue number3
DOIs
StatePublished - Feb 2 2009
Externally publishedYes

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