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

Extracting the rho resonance from lattice QCD simulations at small quark masses

High Energy Physics - Lattice 2010-01-21 v1

Authors: 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.

Keywords

lattice QCD rho meson resonance scattering matrix finite volume pion mass

Cite

@article{arxiv.0810.5337,
  title  = {Extracting the rho resonance from lattice QCD simulations at small quark masses},
  author = {M. Göckeler and R. Horsley and Y. Nakamura and D. Pleiter and P. E. L. Rakow and G. Schierholz and J. Zanotti},
  journal= {arXiv preprint arXiv:0810.5337},
  year   = {2010}
}

Comments

7 pages, 6 figures, talk presented at the XXVI International Symposium on Lattice Field Theory, July 14-19, 2008, Williamsburg, Virginia, USA

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