$ρ$ meson decay from the lattice

Details $ρ$ meson decay from the lattice $ρ$ meson decay from the lattice

2006-10-03

arxiv.org/abs/hep-lat/0610020v1

PoSLAT2006:110,2006

Physics

High Energy Physics

High Energy Physics - Lattice

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

Scientific paper

We present preliminary results on the $\rho$ 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 $m_\pi/m_\rho=0.41$ and $L=2.53 {\rm fm}$.

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