Parity violation in elastic electron-proton scattering and the proton’s strange magnetic form factor

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109 Scopus citations

Abstract

We report a new measurement of the parity-violating asymmetry in elastic electron scattering from the proton at backward scattering angles. This asymmetry is sensitive to the strange magnetic form factor of the proton as well as electroweak axial radiative corrections. The new measurement of A = −4.92 ± 0.61 ± 0.73ppm provides a significant constraint on these quantities. The implications for the strange magnetic form factor are discussed in the context of theoretical estimates for the axial corrections.

Original languageEnglish
Pages (from-to)1106-1109
Number of pages4
JournalPhysical Review Letters
Volume84
Issue number6
DOIs
StatePublished - 2000

ASJC Scopus subject areas

  • General Physics and Astronomy

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