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Beam asymmetries for the reactions gamma p -> p pi0 and gamma p -> n pi+ havebeen measured with the CEBAF Large Acceptance Spectrometer (CLAS) and a tagged,linearly polarized photon beam with energies from 1.102 to 1.862 GeV. A Fouriermoment technique for extracting beam asymmetries from experimental data isdescribed. The results reported here possess greater precision and finer energyresolution than previous measurements. Our data for both pion reactions appearto favor the SAID and Bonn-Gatchina scattering analyses over the older MainzMAID predictions. After incorporating the present set of beam asymmetries intothe world database, exploratory fits made with the SAID analysis indicate thatthe largest changes from previous fits are for properties of the Delta(1700)3/2- and Delta(1905) 5/2+ states.

Beam asymmetry for pi+ and pi0 photoproduction on the proton for photon energies from 1.102 to 1.862 GeV