I=0 scalar channel

Details I=0 scalar channel I=0 scalar channel

2001-12-10

arxiv.org/abs/hep-lat/0112012v1

Nucl.Phys.Proc.Suppl. 106 (2002) 272-274

Physics

High Energy Physics

High Energy Physics - Lattice

Talk given at 19th International Symposium on Lattice Field Theory (Lattice 2001), Berlin, Germany, 19-24 Aug 2001

Scientific paper

Using lattice QCD with dynamical Wilson fermions, we study I=0 and
$J^{P}=0^{+}$ channel which is constructed by
$\frac{1}{\sqrt{2}}(\bar{u}u+\bar{d}d)|0>$, in order to search for the $\sigma$
meson. Our preliminary result shows that the connected and disconnected
diagrams contribute to the $\sigma$ meson propagator in the same order.

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