An investigation into the Fermilab approach to heavy quarks on the lattice

Details An investigation into the Fermilab approach to heavy quarks on the lattice An investigation into the Fermilab approach to heavy quarks on the lattice

2000-11-13

arxiv.org/abs/hep-lat/0011059v1

Int.J.Mod.Phys. A16S1C (2001) 1231-1233

Physics

High Energy Physics

High Energy Physics - Lattice

3pp LaTeX2e using ijmpa1.sty (included), 6 PostScript figures. Contribution to proceedings of DPF2000 (section 18, Non-perturb

Scientific paper

10.1142/S0217751X01009399

We use a space-time asymmetric O(a) improved fermion action and fix the asymmetry non-perturbatively to restore the relativistic dispersion relation. We compute spectra and matrix elements of quarkonia and heavy-light mesons and compare with results obtained using a symmetric action with the Fermilab interpretation i.e. that the physics of heavy lattice quarks depends solely on their kinetic mass. We provide additional evidence to support this.

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