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arxiv: 0903.2358 · v2 · submitted 2009-03-13 · ✦ hep-lat

Low and high spin mesons from N_f=2 Clover-Wilson lattices

classification ✦ hep-lat
keywords mesonsstatesclover-wilsondifferentexcitedhighmatrixspin
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We present results for excited meson spectra from $N_f=2$ clover-Wilson configurations provided by the CP-PACS Collaboration. In our study we investigate both low and high spin mesons. For spin-0 and spin-1 mesons, we are especially interested in the excited states. To access these states we construct several different interpolators from quark sources of different spatial smearings and calculate a matrix of correlators. For this matrix we then solve a generalized eigenvalue problem. For spin-2 and spin-3, we extract only the lowest lying states.

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