TESTS OF HYPERCUBIC FERMION ACTIONS - ART. NO. 094503

I have performed scaling tests using quenched spectroscopy of a family of fermion actions which have a hypercubic kinetic term, gauge connec tions built of smeared links, and an anomalous magnetic moment term. T hese actions show improved rotational invariance compared to the stand ard Wilson action and to the tadpole-improved clover action. Hyperfine splittings are improved compared to the standard Wilson action (at th e level of a factor of three in the lattice spacing), and are about th e same as for the tadpole-improved clover action. [S0556-2821(98)01221 -1].