Flavor Twisted Boundary Conditions and the Nucleon Axial Current

Details Flavor Twisted Boundary Conditions and the Nucleon Axial Current Flavor Twisted Boundary Conditions and the Nucleon Axial Current

2005-04-04

arxiv.org/abs/hep-lat/0504002v2

Phys.Lett. B617 (2005) 40-48

Physics

High Energy Physics

High Energy Physics - Lattice

11 pages, Refs. added, sign error corrected

Scientific paper

10.1016/j.physletb.2005.05.006

With twisted boundary conditions on the quark fields, we study nucleon matrix elements of the axial current utilizing twisted heavy baryon chiral perturbation theory. One can explore the momentum transfer dependence of the axial form factors more easily than by using ordinary lattice quantized momenta alone. As examples, we derive expressions for the nucleon axial radius and pseudoscalar form factor.

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