Fu-Jiun Jiang, Brian C. Tiburzi
Published 2008-06-26, updated 2008-06-30Version 2
We use a generalization of chiral perturbation theory to account for the effects of flavor twisted boundary conditions in the Breit frame. The relevant framework for two light flavors is an SU(6|4) partially quenched theory, where the extra valence quarks differ only by their boundary conditions. Focusing on the pion electromagnetic form factor, finite volume corrections are calculated at next-to-leading order in the chiral expansion and are estimated to be small on current lattices.
Comments: 4 pages, 1 figure, discussion and citations altered
Journal: Phys.Rev.D78:037501,2008
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