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Updated: Jun 19, 2026

Setting Limits on Supersymmetry Using Simplified Models
Published on: November 15, 2013
Angular momentum content of the rho meson in lattice QCD
Leonid Ya Glozman1, C B Lang, Markus Limmer
1Institut für Physik, FB Theoretische Physik, Universität Graz, A-8010 Graz, Austria.
Abstract:
The variational method allows one to study the mixing of interpolators with different chiral transformation properties in the nonperturbatively determined physical state. It is then possible to define and calculate in a gauge-invariant manner the chiral as well as the partial wave content of the quark-antiquark component of a meson in the infrared, where mass is generated. Using a unitary transformation from the chiral basis to the ;{2S+1}L_{J} basis one may extract a partial wave content of a meson. We present results for the ground state of the rho meson using quenched simulations as well as simulations with n_{f} = 2 dynamical quarks, all for lattice spacings close to 0.15 fm. We point out that these results indicate a simple ;{3}S_{1}-wave composition of the rho meson in the infrared, like in the SU(6) flavor-spin quark model.
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