A novel algorithm for computing quark propagators for lattice hadron spectroscopy

Details A novel algorithm for computing quark propagators for lattice hadron spectroscopy A novel algorithm for computing quark propagators for lattice hadron spectroscopy

2011-09-29

arxiv.org/abs/1109.6614v1

Physics

High Energy Physics

High Energy Physics - Lattice

6 pages, 4 figures. Prepared for the proceedings of DPF 2011

Scientific paper

We report on our progress in computing the excitation spectrum in Lattice QCD. We focus on the isospin 0, 1 and 2 channels using the stochastic LapH algorithm for the quark propagators. For the isospin-0 channel, a new glueball operator constructed from the stochastic LapH operator is included in the variational basis along with the isoscalar meson and pi-pi operators. A representative signal for each channel is presented and the feasibility of extending the calculations to larger lattices is discussed.

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