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

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

2009-03-13

arxiv.org/abs/0903.2358v2

Phys.Rev.D79:114503,2009

Physics

High Energy Physics

High Energy Physics - Lattice

24 pages, 12 figures, 9 tables; minor changes, references added, to appear in Phys. Rev. D

Scientific paper

10.1103/PhysRevD.79.114503

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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