O(a²)-improved actions for heavy quarks and scaling studies on quenched lattices
Cho, Yong-Gwi · Hashimoto, Shoji · Noaki, Jun-Ichi · Jüttner, Andreas · Marinkovic, Marina
Original · EN
We investigate a new class of improved relativistic fermion action on the lattice with a criterion to give excellent energy-momentum dispersion relation as well as to be consistent with tree-level O(a²)-improvement. Main application in mind is that for heavy quark for which ma≃ O(0.5). We present tree-level results and a scaling study on quenched lattices.
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