$ρ$ meson decay from the lattice

PACS collaboration; S. Aoki; M. Fukugita; K. -I. Ishikawa; N. Ishizuka; K. Kanaya; Y. Kuramashi; Y. Namekawa; M. Okawa; K. Sasaki; A. Ukawa; T. Yoshié

paper

$ρ$ meson decay from the lattice

arXiv:hep-lat/0610020

Abstract

We present preliminary results on the $ρ$ meson decay width estimated from the scattering phase shift of the I=1 two-pion system. The phase shift is calculated by the finite size formula for non-zero total momentum frame (the moving frame) derived by Rummukainen and Gottlieb, using the $N_{f} = 2$ improved Wilson fermion action at $m_{π} / m_{ρ} = 0.41$ and $L = 2.53 fm$ .

7 pages, 6 figures, Talk at Lattice 2006(spectroscopy), to be published in PoS(LAT2006)110

ρ meson decay from the lattice

Abstract

$ρ$ meson decay from the lattice