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The extraction of the strangeness form factors from parity violating elasticelectron-proton scattering is sensitive to the electromagnetic form factors atlow Q^2. We provide parameterizations for the form factors and uncertainties,including the effects of two-photon exchange corrections to the extracted EMform factors. We study effect of the correlations between different formfactors, in particular as they impact the parity violating asymmetry and theextraction of the strangeness form factors. We provide a prescription toextract the strangeness form factors from the asymmetry that provides anexcellent approximation of the full two-photon correction. The corrected formfactors are also appropriate as input for other low-Q analyses, although theeffects of correlations and two-photon exchange corrections may be different.Comment: 9 pages, 4 figures, to be submitted to Phys. Rev.

physical review. c. nuclear physics/physical review. c, nuclear physics

Precise determination of low-<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>Q</mml:mi></mml:mrow></mml:math>nucleon electromagnetic form factors and their impact on parity-violating<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>e</mml:mi></mml:mrow></mml:math>-<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>p</mml:mi></mml:mrow></mml:math>elastic scattering

Precise determination of low-Qnucleon electromagnetic form factors and their impact on parity-violatinge-pelastic scattering