Polarized structure functions from the lattice

Details Polarized structure functions from the lattice Polarized structure functions from the lattice

2000-02-17

arxiv.org/abs/hep-lat/0002019v1

Physics

High Energy Physics

High Energy Physics - Lattice

8 pages including two eps figures. Talk given at the Circum-Pan-Pacific RIKEN Symposium on "High Energy Spin Physics"

Scientific paper

We give a brief sketch of lattice structure function calculations and review previous results for the axial coupling $g_A$. We outline a new technique for treating fermions on the lattice that preserves chiral symmetry, domain wall fermions. Finally, we give preliminary results for the nucleon spectrum using this new technique. Remarkably, a large mass splitting between the $N$ and $N^*$, roughly consistent with experiment, is produced in the calculation. These results are encouraging for proposed calculations of nucleon structure functions.

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