Physics – High Energy Physics – High Energy Physics - Lattice
Scientific paper
2007-02-24
Phys.Lett.B652:250-254,2007
Physics
High Energy Physics
High Energy Physics - Lattice
11pages, 5figures
Scientific paper
10.1016/j.physletb.2007.06.076
Using lattice QCD simulation in the quenched approximation, we study the $\kappa$ meson, which is ^3P_0 in the quark model, and compare experimental and other lattice data. The $\kappa$ is the lowest scalar meson with strangeness and constitutes the scalar nonet. The obtained mass is much higher than the recent experimental value, and therefore the $\kappa(800)$ is difficult to consider as a simple two-body constituent-quark structure, and may have another unconventional structure.
for the SCALAR Collaboration
Kunihiro Teiji
Muroya Shin
Nakamura Atsushi
Nonaka Chiho
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