arXiv:0810.5337·v1·High Energy Physics — Lattice
Extracting the rho resonance from lattice QCD simulations at small quark masses
M. Göckeler🇩🇪 · R. Horsley🇬🇧 · Y. Nakamura🇩🇪 · D. Pleiter🇩🇪 · P.E.L. Rakow🇬🇧 · G. Schierholz🇩🇪 · J. Zanotti🇬🇧
Abstract
Using established relations between the scattering matrix in infinite volume and the two-particle spectrum in a periodic box, we compute the mass and width of the rho meson from simulations of N_f=2 flavors of dynamical clover fermions at small pion masses 2 m_pi < m_rho.
Comments: 7 pages, 6 figures, talk presented at the XXVI International Symposium on Lattice Field Theory, July 14-19, 2008, Williamsburg, Virginia, USA