Excited mesons from $N_f=2$ dynamical Clover Wilson lattices

Details Excited mesons from $N_f=2$ dynamical Clover Wilson lattices Excited mesons from $N_f=2$ dynamical Clover Wilson lattices

2006-09-08

arxiv.org/abs/hep-lat/0609014v1

PoSLAT2006:177,2006

Physics

High Energy Physics

High Energy Physics - Lattice

7 pages, 5 figure, parallel session talk at Lattice 2006

Scientific paper

We study mesons on the lattice with a special focus on excited states. For that purpose we construct several quark sources with different spatial smearings, including p-waves. These quark sources are then combined with the appropiate Dirac structures to form meson interpolators of definite spin. We use these operators to construct a cross correlation matrix from which we extract ground and excited meson states using the variational method. For the calculations we use gauge configurations with $N_f=2$ dynamical Clover Wilson fermions provided by the CP-PACS collaboration. We show preliminary results for pseudoscalar, scalar, vector and pseudovector mesons.

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